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colorquest-xt-user-manual

1. n 2 2 TrEAnsmisstoOn C OPTED lE oto tube oto E eue d doi t ed Lu teu S edu d uos 2 2 Macro Read DUllOfEo iesus oido IR tals ec aoe eet M oen Mn aetna tattle tu na eaten atte CDL E C A S dd 2 2 Pow rOn Ei b oeaccodtm euet a ru ontd aUe dunes sale opta enc E LA OR rM dS 2 2 ACCOSSOFIGS ri vien eai ha i D Vp atv vdirD i is VA aula died bid p VII aint teed 2 3 Opti nsand Sample DOVICES e aseTi 2 4 Foot S WITCH Assemb winnzsteseorstivarancazensetediiamettaseigeutilvadancasan tated a a 2 5 External Serial PNC eaa A E 2 5 Transmission VAAN ace Son E E E EE A E E A E E E EEE A E TE 2 5 Transmission C IHON E ee a T A N 2 7 Transmission C elena a a a a a cinta ol cadens 2 8 Transmission Cells with Two Screw TOpS dieta elena Pale eo vou tero E E 2 8 TransmisstOIr S PU RAY sensa slain tice steep i odes E uds diidond aunbtetu d utet ia cupit en dademsaahs 2 0 Flow Through Transmission Cell Holder and Cells cc ccccssssseeecceeeeceeeesseeecceeeeeaaeeseeeeeees 2 10 Holder for Small Volume Transmission Cells and 10 mm Small Volume Transmission Cells 2 11 miel Cell Holde t 2 12 Semi micro Cell Holder and Optical Assembly eeeeeeeesssseseeeeeeeeeeee eene nnne 2 13 Transmission Dreform FOGE soos aet rta E mbna eased 2 17 APPIE Sect det ota eee Or ec eT eee cu LIBRE et ou 2 18 Easy Mate OC SOTDWAEe usciti iue ber t ean Sabet tener m v
2. 8 Unplug the white connector of the lamp assembly by squeezing the latches on the sides of the connector 9 Remove the lamp assembly and replace with a new assembly Be sure not to touch the bulb of the lamp as fingerprints reduce lamp efficiency and weaken the glass If a fingerprint is deposited remove it using a clean wipe and isopropyl alcohol Maintenance and Testing 7 3 10 11 12 13 14 15 16 17 7 4 ColorQuest XT User s Manual Version 1 7 Plug in the white connector of the new lamp Pull the part of the cover closest to the transmission compartment back into place and re tighten its SCreWS Replace the cover and screws on the lamp housing Plug the harness from the instrument into the power on light of the right panel Line the cover up with the guides on the bottom of the instrument Replace the right cover on the instrument and tighten the two screws as well as the inner bezel thumb screw Turn the ColorQuest XT power on Standardize the instrument Maintenance and Testing ColorQuest XT User s Manual Version 1 7 Replacing the Fuses The fuses are located on the left panel of the instrument Follow the instructions below to replace the fuses 1 Disconnect the ColorQuest XT from its power source by unplugging the power cord 2 Remove the fuse cartridge from the left panel of the instrument You may want to use a small flat screwdriver to help you pry it out
3. AY Ysmp Ystp AX Xsmp XSTD Ay Ysmp YsTD Measurement Values 10 1 ColorQuest XT User s Manual Version 1 7 Opponent Color Scales Hunter Lab CIE 1976 L a b and CIE L C h The opponent color scales give measurements of color in units of approximate visual uniformity throughout the color solid Thus in the Hunter scale L measures lightness and varies from 100 for perfect white to zero for black approximately as the eye would evaluate it The chromaticity dimensions a and b give understandable designations of color as follows a measures redness when positive gray when zero and greenness when negative b measures yellowness when positive gray when zero and blueness when negative The relationship between the Hunter Lab Scale and the CIE XYZ Scale for the CIE 1931 2 Standard Observer and the CIE 1964 10 Standard Observer is as follows L 100 ps PA a K z z Y Y b K L WY where X Y and Z are CIE tristimulus values Xn Yn and Z are tristimulus values of the standard illuminant as listed in ASTM E308 with Y always equal to 100 00 normalized K and Ky are chromaticity coefficients for the illuminant used see ASTM E308 Illuminant C represents average or north sky daylight with a correlated color temperature of approximately 6770 K Illuminant D65 represents daylight with a correlated color temperature of approximately 6500 K The related color difference values are defined as fol
4. Click the X at the upper right corner of the screen to close the software A 6 Applet Programming ColorQuest XT User s Manual Version 1 7 APPENDIX B Glossary Absorption Process by which light or other electromagnetic radiation 1s converted into heat or other radiation when incident on or passing through material Accuracy Conformity of a measured result to an accepted reference value or scale Achromatic Color A neutral color such as white gray or black that has no hue Also termed nonchromatic Angle of Incidence The angle between the axis of an impinging light beam and the perpendicular to the specimen surface Angle of View The angle between the axis of observation and the perpendicular to the specimen surface Attribute Distinguishing characteristic of a sensation perception or mode of appearance Distinction is made between chromatic and geometric appearance attributes Brightness The attribute of visual sensation by which an observer is made aware of differences in luminance Calibration The graphical or mathematical relationship of a desired property to an instrument s output Chromatic Perceived as having a hue not white gray or black Chromatic Attributes Those attributes associated with the spectral distribution of light hue and saturation Chromaticity That part of a color specification which does not involve luminance CIE Commission Internationale de l Eclairage In English t
5. 2 Locate the appropriate two mounting holes in the transmission compartment floor and fasten the tube holder to the instrument using the two thumb screws provided 3 Standardize the instrument in TTRAN mode using the large area of view and 1 00 25 4 mm port size When prompted to read the black card slide it between the tube holder and the transmission port Use a tube of the type you will be using for samples filled with distilled water for water solution samples or a clear organic solvent for organic solution samples as your standardization blank 4 Remove the blank liquid and fill the glass tube with sample and then insert the tube into the open column in the tube holder If needed adjust the ball detent screws until the tube is held snugly in place Read the sample 2 12 Introduction to Your ColorQuest XT System ColorQuest XT User s Manual Version 1 7 Semi micro Cell Holder and Optical Assembly This option provides an optical assembly and holder that center 10 mm and 20 mm standard and semi micro analytical cells cuvettes in the transmission compartment for measurement of small and semi micro volumes of clear liquids The analytical cells to be used with this holder are not sold by HunterLab though several semi micro disposable 10 mm cells are included as examples Approximate sample volumes required for the various types of cells are as follows Cell Type Minimum Sample Volume for Measurement mL a C se
6. 3 Pull back the tab to release the fuse holder 4 Remove the fuses and replace with new ones Maintenance and Testing 7 5 ColorQuest XT User s Manual Version 1 7 5 Replace the fuse holder in the cartridge 6 Replace the cartridge in the left panel of the instrument 7 6 Maintenance and Testing ColorQuest XT User s Manual Version 1 7 Cleaning the Touch Screen The outer surfaces of the touch screen may be cleaned with mild detergent or glass cleaner on a soft cloth Wipe the screen completely dry before use Do not immerse it in any liquid Maintenance and Testing 1 1 ColorQuest XT User s Manual Version 1 7 Adjusting the Touch Screen Display Contrast If the touch screen display is too dark or too light adjust it in the area labeled Contrast on the back of the touch screen Use a trimpot tool or small screwdriver to adjust the pot inside the hole until the display is legible CONTRAST Com wan The back of the touch screen 7 8 Maintenance and Testing ColorQuest XT User s Manual Version 1 7 Cleaning the Lens Surface and Didymium Filter The lens and filter may be cleaned using photographic quality lens solution and lens paper Put a few drops of solution on the lens paper and gently wipe the lens or filter in a circular motion for a few seconds Then wipe the lens or filter with a dry lens paper to remove streaks and any hazy film Maintenance and Testing 7 9 Color
7. Ri AE A nem INE CLEHE STOG2 Touch the sample measurement values to toggle between absolute color values and difference values from the standard Touch the color scale title to toggle through the available color scales and touch the index titles at the bottom right of the screen toggle through the available indices The displayed data will adjust accordingly You may also touch the illuminant observer area to toggle between the C 2 and D65 10 choices On the measurement screen you may touch the Stdz button to initiate instrument standardization as described earlier in this chapter Touch the Print key if you are using the optional printer and wish to print the measurements as currently displayed You may also touch the Clear key once to clear the sample reading and then again to clear the standard reading Touching Exit returns you to the Select an Applet screen Touch the padlock icon if you wish to lock the displayed parameters so that they cannot be changed When the screen is locked the padlock icon closes Then in order to unlock the screen again you must enter the system password and touch OK The system password is set as described on page 7 15 SSWORDS T T a mm wini iun Q A ICI YC Tl To assign an ID to the last measurement touch the ID area at the top right of the screen A keypad will appear on the screen Operation 4 7 ColorQuest XT User s Manual Version 1 7 Type in the d
8. touch the box next to Run Applet at Startup so that the box is checked 7 16 Maintenance and Testing ColorQuest XT User s Manual Version 1 7 Control Panel at Startue O Backlight Always OH Lawout LIE Se Format Then touch the three dots When you do so you will see a list of all the applets that are currently loaded and available The dots at the top and bottom of the list indicate that there may be more applets on the list and you will need to scroll through the list by touching the dots in order to see them all Control Panel Always OW Layout UE Sei Format Control Panel El Fun CAFHA O Enabl PPlet APPlet Es IT Button O Backlisght Always OH Lawout LIE ETY Format If you wish for users to be able to use the Exit button to leave applets even when they are locked touch the box next Enable Applet EXIT Button so that it is checked Control Panel Startup O Backlight Always OH Layout LIE Sei Format If you wish to disable the feature by which the touch screen turns itself off touch the box next to Backlight Always ON so that it is checked Be aware though that choosing this option could drastically reduce the lamp life of your touch screen Maintenance and Testing 7 17 ColorQuest XT User s Manual Version 1 7 Control Panel E Run HPPlet at Startup CAFHAI El Enable APPlet EXIT Button El Backlight Always OH Lawout LIE Se Format If you wish t
9. Calculation of Small Color Differences CIE LCh is a modification to the CIELAB scale which plots in polar coordinates rather than rectangular ones AC is the difference between the chroma of the sample and the chroma of the standard as described in a polar coordinate system Ah describes the difference between the hue angle h of the standard and the hue angle of the sample in a polar coordinate system where If h smp gt h std then Ah is regarded as positive If h std gt h smp then Ah is regarded as negative See Recommendation on Uniform Color Spaces Color Difference Equations Psychometric Color Terms Supplement No 2 to CIE Publication No 15 E 1 3 1 CIE Paris 1978 L Y CIE 1976 psychometric lightness 1163 c 16 n a Red Green axis 500 3 2 3 s3 RS X bs b Yellow 4 Blue axis 200 i 3 a Co CIE 1976 a b chroma ya b h CIE 1976 a b hue angle arctan b a Ah h sia h sam AH p CIE 1976 a b hue difference AE AL AC AC Chromaticity difference in the a b plane C smp C sta 10 4 Measurement Values ColorQuest XT User s Manual Version 1 7 RE p CIE 1976 L a b color difference formula y AL Aa Ab A Difference between Sample and Standard Reference Commission International de l Eclairage CIE Recommendations on Uniform Color Spaces Color Difference Equations Psychometric Color Terms Supple
10. ELIJE mar l 1h REO 1 427 1 417 PASS o The Avg row displays the percent difference in A D counts from the average result last stored for the entire spectral range the instrument measures The Blue row displays the percent difference in A D counts from the result last stored for the blue end of the spectrum The Red row displays the percent difference in A D counts from the result last stored for the red end of the spectrum These values are expected to change as the instrument and its lamp ages However 1f either of the average results exceeds 30 either of the blue results exceeds 40 and or either of the red results exceeds 20 your instrument fails the test This indicates that your sphere wall has yellowed excessively and should be replaced OK exits the energy test Repeatability The Repeatability diagnostic assesses how repeatably your instrument can measure When you touch the Repeatability button you are first walked through a normal instrument standardization Standardization is covered in more detail in Chapter 4 but the prompts are shown below Place Black Card Place Cell Blank 7 12 Maintenance and Testing ColorQuest XT User s Manual Version 1 7 Then twenty readings of air or your blank are taken at 7 second intervals A graph of the difference between the current reading and the first reading 1s shown after every measurement When all readings have been made the final test result is shown as below a
11. m m ml A A mi as a If the max AE shown at the bottom of the screen is less than or equal to 0 05 your instrument passes the test Touch OK to exit this screen Wavelength The wavelength test allows you to assess readings of the didymium filter that 1s provided with the instrument This checks the wavelength accuracy of the instrument and should be done on a regular basis 1 e weekly or bi weekly as part of your routine instrument performance check When Wavelength is touched you are first walked through a normal instrument standardization in RTRAN mode Standardization is covered in more detail in Chapter 4 but the prompts are shown below Place Black Card Place Cell Blank Then you are prompted to place the didymium filter Remove the didymium filter from the standards box It is mounted in a threaded tube Screw the filter into the ColorQuest XT s threaded lens port located in the transmission compartment on the side of the compartment that 1s furthest from the sphere Maintenance and Testing 7 13 ColorQuest XT User s Manual Version 1 7 Close the transmission compartment door and then touch OK on the screen shown below Mount Bidymium Filter Ten readings of the filter will be made and then a prompt will appear for you to remove the didymium filter Remove Didymium filter After the filter is removed and you touch OK the end result for the wavelength test is shown You may save these re
12. 2 if 1t does not already show C 2 5 Touch the name of the current color scale XYZ in the screen shown above until L a b 1s shown You may be required to touch and release the scale multiple times before L a b is displayed RPHRZZmP us 2 STANDARD READ DELTA FEINT STANDARD Index are z CLEAR 6 Touch the index area which is Y in the screen shown above until YI is shown You may be required to touch and release the index multiple times before YI is displayed 5 6 Lessons ColorQuest XT User s Manual Version 1 7 HP H Rise osa 177 STANDARD READ DELTA FRIHT SAHFLE STANDARD CLEAR 7 Place your standard at either the transmission port for TTRAN measurements or the lens for RTRAN measurements For purposes of this lesson you may simply measure air or water if you wish 8 Touch the Read button to measure the standard The values obtained will be displayed on your screen and will likely be different than those shown in the example below Note that the L a b and YI values for the standard are filled in below Sample at the bottom of the screen and the APHA value for the standard is shown at the top of the screen If you measured air or pure water L should be near 100 00 and all other values should be near zero A P H a bit D 53Hb STANDARD O DELTA PRINT STANDARD oH Enr 9 Touch the M button to save this reading as the standard Ln C Ca Ca co T L L L L rm o g
13. 6 DIM LO mri and 20 DOT see diede iv Cen piae ootiemeto ae eti Ge tn piante oeste bi e tn ia a M Sete si tees 10 6 ZAPELDA TO 20 and 50 TdUWTES oue ety too apo to o eret ane oai ey teo aueh ores coi Dvton a uibs E esa utes 10 6 UP SL EINE UU D UL mU MI 10 7 ASTNICOLOEs ied ote atteint bte t MM disant bte te SIAR ee eee RA da ede 10 7 Gardner D6 662 PO PIDE secnm aoe ee 10 10 BO EE E E PEE E ee ak a hc ce te ce eee aetna eae 10 11 CONNES Inte X coetu on Ree ern an en Ne ae ee 10 13 APPLET PROGRAMMING wgscscvscescwssessstccesseseecsssenvecvatassetdectavessatistarseceatessecesveiveceseeaee A 1 Installing the Applet Vian acer asise EE A 1 Usine the Applet IWAN AGeR siiscccesiessscsadeesiedstcassedsceeccies isa EYE ERAN PEE YES RE a ENa A 5 GEOSSAR Y uoce OU SER E EE B 1 REPEERENC BS IS EERPEEI ENTRE RDOEPAIR eae EN EPER SUR EISE aaran C 1 ColorQuest XT User s Manual Version 1 7 CHAPTER ONE How the User s Manual is Organized Welcome to the ColorQuest XT User s Manual Take some time now to read through the manual before you begin using the instrument The User s Manual is divided into the following chapters e Introduction to Your ColorQuest XT System e Installation e Operation e Lessons e Color Measurement Notes e Maintenance and Testing e Specifications e Instrument Replacement Repair Problems and Questions e Measurement Values The Introduction chapter describes the instrument its features and the acces
14. Dictionary of Color Names NBS Circular 533 U S Government Printing Office 1955 MacAdam David L Sources of Color Science Cambridge The MIT Press 1970 Mackinney Gordon and Little Angela C Color of Foods Westport AVI Publishing Co 1962 Munsell A H A Color Notation Baltimore MD 1936 1963 Optical Society of America Committee on Colorimetry The Science of Color New York Thomas Y Crowell Co 1953 Reprinted by the Optical Society of America 1963 Wright W D The Measurement of Color New York D Van Nostra Co 1964 Wyszecki Gunter and Stiles W S Color Science New York Wiley 1964 References C 1 10 mm small volume transmission cells 2 11 a POM ABD Te Eau iM etdie pna abest d taire adids 4 14 PLD SOL DAN CS arrere odeentub out eictazdte top park ad aedzmedubtuE dotate ts eue 10 6 JADSOFDEOPGS 754 sates eae IU IM IUE B 1 PRC COSS OC ene hates tr DM M DEL MM LEE DAE UE 2 3 ZACCULIE S eae ae ere Te Ae EID Dr B 1 AeBromalie colof cases ene a ceonene eda bie eet C oca Md B 1 ADM E 10 6 ADEE QI TACIC ENC 6 aee tia cette st otu i Geletus tese tis Gela utu tes B 1 ANGIE OT VIC Wisc r a deans B 1 APEE mH 10 6 Applet manager EA ELAND o T T EE S PA EE AE Seon Tere iter vent A 1 US e E E A 5 Applet programming osna E era el bd eU ones A 1 APPI I MC 2 18 MAC Su tcs odio pudo neck Ie Te Se Nea MS 5 I ZUSDC DO TDIEI 25 9 er eee Ee MER
15. EDU tis uS am cEE 10 10 BHES e 7 11 Environmental requirements sorsas ria 8 1 External Serial printer uoi e etu trente eere 2 5 geli TR 2 2 Flow through transmission cell holder and cells 2 10 POOLS WAC MASS CO OLY sco eedem Oto ur ex Da denise ED 2 5 Tul eS PEE EAD OM MIDI KE EE DN OO DU T UR REQUE 2 3 7 5 rM I setae ven ek cncntetentamn et N 10 10 GLOSS ATV M B 1 SOUS cae nae ere a ee free ie EIRd 8 2 Guidelines for using ColorQuest XT uo eeeeeeeeeeeeeeeeees 6 1 Hiteh standards oserei B 2 Holder for small volume transmission cells 2 11 How the user s manual is organized ssssss 1 1 gi EE B 2 Flunter T As D SCALE o2 edet E on e a tui B 3 Hunter EaD c etn 10 2 Lr orandi le deser PPM E B 3 TE TORGEHE REO ELO TI odo eno acas te tn uode edi dau atte rst cee er aite tidal 8 3 Incorrect SNipiMe Mt sjiswcsstestcasnichstettae T ketenes 9 3 NGI CES coches 8 NE EE E E EE ie ea AE A AES 10 6 TVS A WACOM eenn E 3 1 Apple LAM ANA S Ea woot Io ta vae saute eeeiaced A 1 Instrument performance e edes ooa EE ce eere 8 4 Instrument standards medie iet raped terae peius B 3 Introduction to your ColorQuest XT system 2 E Cio P XP TM ER B 1 IL Dci cA CE M od LM unis B 3 Eens Oris a eer arene er tre ryan ten Ree UD ct Tey Ce CENA o eae 2 3 Lens SUPA CE unico et
16. OK to accept the ID The ID is then shown at the top of the screen If you make a mistake touch Bksp to back up and fix it a nn Ji T s ASTH D53Bh STANDARD B 1 DELTA B 1 PRIHT 4 En T ZAH B Ei B B a a D m m TE E e Fe c es PG D Gl a a a a o mG c m Em FE IG zs 15 At this point you may either copy down your sample and standard values or touch the Print button to print them A sample printout for an index applet screen is shown below 5 8 Lessons ColorQuest XT User s Manual Version 1 7 16 If you wish to view the data in a slightly different fashion touch the column labeled Standard The standard values disappear and the sample values automatically convert to absolute values 20 HH IDIhWATER ASTH D53Bb STANDARD H i DELTA NE PRIHT a H Pee 0 2 a mio uy a a r hi m Lm m rc rc Ir a a a a Ro a gc icm Lessons ColorQuest XT User s Manual Version 1 7 Lesson 4 Measuring and Displaying Spectral Data In this lesson we will make standard and sample absorbance measurements and display first the absolute absorbance plot and then the spectral absorbance values Begin this lesson with a standardized instrument Instructions for standardization are provided in Chapter 4 l Go to the Select an Applet screen either by turning the instrument off and back on again or by touching the Exit Close or Return button depending on the current screen un
17. Otherwise these transmission cells are used in exactly the same manner as those described above 2 8 Introduction to Your ColorQuest XT System ColorQuest XT User s Manual Version 1 7 Transmission Spill Tray The transmission spill tray when installed in the ColorQuest XT s transmission compartment protects the compartment from spills of liquid samples The tray can hold up to 600 mL of liquid The top portion of the spill tray simulates the function of the transmission cell holder Slide the spill tray into the transmission compartment at the center widest part of the transmission compartment Position it so that the flat end of the transmission cell holder portion is aligned with the left wall of the transmission compartment The slanted end will be at the sphere wall at the right of the compartment Ensure that the holder is flush against the sphere wall Depress and turn the spill tray s captive screws clockwise If it is slightly off line reposition it so that the screws align properly in the holes on the floor of the transmission compartment Then use the transmission cell holder portion as you would the normal transmission cell holder device Flow Through Transmission Cell Holder and Cells This option provides an optically clear 2 inch diameter 10 mm 20 mm or 50 mm path length flow through cell for use with the ColorQuest XT flow through cell holder The flow through cell is placed in the holder at the sphere tr
18. Prn on the back of the ColorQuest XT s touch screen Plug the printer s power cable in and turn the printer on 9 Remove the tape covering the exterior of the sphere in the transmission compartment 10 Connect the power cord to the sensor and plug it into a power outlet 11 Turn on the ColorQuest XT by switching the on off button on the left side of the sensor to the on position Allow the instrument to warm up for two hours before standardizing and making measurements Installation 3 3 ColorQuest XT User s Manual Version 1 7 CHAPTER FOUR Operation Loading Applets There are two types of memory in your ColorQuest XT loaded memory and archived memory Loaded memory holds the applets you have requested and configured for immediate use Archived memory holds the default factory versions of all the applets available to you Archived applets must be transferred to loaded memory before use When the instrument is turned on the touch screen first displays the instrument name and firmware version then you are shown a list of the applets that are currently loaded into your unit and available for use HEHORY USED 4B H P H H 1 301 GARDNER riam SAYBOLT rv ALY X s You may use the up and down arrow keys to highlight one of the loaded applets Use the Unload key to remove the currentl y highlighted applet from loaded memory but NOT from permanent archived memory Use the Load key to transfer to the Applet Arch
19. Version 1 7 1 Check the packing list notations The apparent shortage may be a back ordered item and may be marked as an intentional short ship 2 Re inspect the container and packing material particularly to locate smaller items 3 Ascertain that the item was not removed by unauthorized personnel prior to complete unpacking and checking 4 Notify HunterLab immediately of the shortage in writing Incorrect Shipment Perform the following procedure if material received does not correspond with your order 1 Notify HunterLab immediately referencing order number and item 2 Hold incorrect items until return shipping instructions are received Instrument Replacement Repair Problems and Questions 9 3 ColorQuest XT User s Manual Version 1 7 Returns A return materials authorization RMA number is required before any items can be returned to HunterLab Contact HunterLab s Order Processing Department to obtain an RMA for damaged or incorrect parts or Technical Support to obtain an RMA to return an instrument for service Do not return any damaged or incorrect items to HunterLab until all shipping instructions are received HunterLab offers complete repair service for all instruments it manufactures Call HunterLab for the service facility nearest your location If your equipment is not functioning properly contact HunterLab Tehcnical Support for maintenance or repair instructions Many times this on the spot diagnosis i
20. available in your instrument and their versions HEHORY USED YEZ 3 POINTS A D I I v1 20 H P H A v4 30 2i 1 1074 8 15 ENT GARDNER pwann A Y eros Touch the name of the applet you wish to load You may need to use one of the arrow keys to find the applet in the list The chosen applet is loaded into memory and available for use When you touch Return you will see that its name 1s added to the Select an Applet screen Operation ColorQuest XT User s Manual Version 1 7 Standardizing The ColorQuest XT must be standardized on a regular basis to keep it operating properly Instructions on standardization are given below General Standardization sets the top and bottom of the photometric scale During standardization the bottom of the scale is set first For this you simulate the case where all the light is absorbed by the sample For this instrument the black card device is used to set the bottom of the scale a o Standardizing on the black card device for TTRAN mode The transmission compartment door may be closed down to the device handle a Standardizing on the black card device for RTRAN mode The top of the scale is then set by measuring the light which is transmitted through a blank This is done using air or a solvent filled cell On screen messages built into the applets will prompt you through the standardization procedure It is recommended that the instrument be standardi
21. button depending on the current screen From the Select an Applet screen touch the name of the Color applet to move to its measurement screen TANDARRD k F h F ra oF ME EM mm Ri AE nemo PRINT crear E sToz To initiate a reading either touch the Read button on the touch screen or press the Macro Read button on the body of the ColorQuest XT The sample will be read and its absolute tristimulus values displayed a ID AHFLE TANDARRD 180 8072 0 01 0 01 YI m MIS AE FEINT em D CLEAR 8102 If you wish this measurement to be stored as the standard touch the M button to store it The M button changes to an M indicating that a standard has been stored and the measurement values move to the standard column Touch Clear once to clear the standard if only a standard has been read or touch Clear twice to clear first the sample then the standard if both have been read This standard will be available whenever this applet is used until you clear it using the Clear button a ID AHFLE TANDARD 100 02 100 02 0 01 0 01 Wy AE j nem DIS CLEAR STEZ 4 6 Operation ColorQuest XT User s Manual Version 1 7 Touch Read or the Macro Read button again to read a sample The sample s absolute color values will now be shown beside the standard values Illuminant BE a ID observer AHFLE STANDARD Sample L 100 02 100 02 measurement t l Index titles values b E A a a
22. by which incident light while being transmitted through an object is redirected or scattered over a range of angles Hitch Standards Standards close in color to the specimens being measured These are the same as transfer standards B 2 Glossary ColorQuest XT User s Manual Version 1 7 Hue The attribute of color perception by means of which an object is judged to be red yellow green blue or purple Hunter L a b Scale A uniform color scale devised by Hunter in 1958 for use in a color difference meter It is based on Hering s opponent colors theory of vision Illuminant A table of spectral distribution as close as possible to that of the natural light source usually daylight to be duplicated Instrument Standards Secondary standards which are only used with a particular instrument for maintaining the calibration of the instrument Light Electromagnetic radiation in the spectral range approximately 380 to 780 nm detectable by the normal human eye Lightness Perception by which white objects are distinguished from gray objects and light objects from dark color objects Light Source That element in an instrument or in the visual observing situation that furnishes radiant energy in the form of light Metamerism The phenomenon whereby colors of specimens match when illuminated by light of one spectral composition despite differences in spectral reflectance of the specimens and that consequently may not match in light
23. can be used in handling various forms of objects and materials so that the most valid and repeatable measurement of their appearance results For example liquids or semi solids might be read through the glass of a sample cell which presents a flat surface to the instrument When measuring transparent samples such as iced tea where the color is dependent on the transmission of light place the liquid in a special optical cell with flat parallel surfaces The path length of the sample presented should be chosen to maximize the color or haze difference Color Measurement Notes 6 1 ColorQuest XT User s Manual Version 1 7 Transmittance Measurements There are two types of transmittance measurements available The first total transmittance TTRAN includes both the light that is transmitted directly through the sample and the light that 1s diffusely scattered When measuring total transmittance place the sample in the transmission compartment as close to the sphere as possible The second type regular transmittance RTRAN measures the light that passes directly through the sample When measuring regular transmittance place the sample in the transmission compartment as close to the lens as possible 6 2 Color Measurement Notes ColorQuest XT User s Manual Version 1 7 CHAPTER SEVEN Maintenance and Testing The ColorQuest XT does require some maintenance This chapter outlines the parts of the ColorQuest XT you must maintain in
24. carrier then assumes full responsibility Perform the following procedures if your instrument arrives broken or damaged Freight or Express 1 Notify your local carrier 2 Hold the damaged goods with their container and packaging for inspection by the examining agent Do not return any goods to HunterLab prior to inspection and authorization of the carrier 3 File a claim against the carrier Substantiate this claim with the examining agent s report A certified copy of our invoice is available upon request The original B L is attached to our original invoice If the shipment is prepaid write for a receipted transportation bill 4 Advise HunterLab regarding replacement Parcel Post Shipment 1 Notify HunterLab at once in writing giving details of the loss or damage This information is required for filing a claim 2 Hold the damaged goods with their container and packaging for possible inspection by postal authorities 3 Advise HunterLab regarding replacement United Parcel Service 1 Contact your local UPS office regarding damage and insurance claim Each UPS office has a different method of handling these occurrences and yours will advise you of its procedures 2 Retain the container and packaging 3 Notify HunterLab at once for replacement Shortage Perform the following procedure if your order appears to be missing items 9 2 Instrument Replacement Repair Problems and Questions ColorQuest XT User s Manual
25. created your own applet you may choose that disk drive in the Look in box and select it from there Then click Open The applet will be added to both loaded and archived memory If you already have an applet with the same name loaded the following messages will appear Scripth gr Applet Manager xc 2 The applet ADMI already exists 3 The applet ADMI is already archived Overanite Overante If you wish to overwrite and upgrade the applet click Yes If you wish to keep the current version that is in your system click No The other commands available through the Applet Manager are as follows e Unload This command removes the highlighted applet from the Launch Pad area and thus from the loaded memory of your instrument Click on the name of the applet you want to unload in the Launch Pad area of the screen to highlight it e Archive This command copies the highlighted applet to your instrument s archive Click on the name of the applet you want to archive in the Launch Pad area of the screen to highlight it e Restore This command copies the highlighted applet from archived memory to the Launch Pad and thus to the loaded memory of your instrument Click on the name of the applet you wish to restore in the Archive area of the screen to highlight it e Delete This command removes the highlighted applet from archived memory Click on the name of the applet you wish to delete in the Archive area of the screen to highlight it
26. desired analytical cell with distilled water or another clear liquid you would like to use as your top of scale Some cells will have a fill line The liquid should at least reach this line Fill line Indicator arrow 5 Slide the transmission cell into the cell holder as far as it will go If your cell has an indicator arrow point it toward the hole in the instrument sphere Introduction to Your ColorQuest XT System 2 15 ColorQuest XT User s Manual Version 1 7 6 Complete the standardization by measuring the cell blank as the top of scale 7 Remove the cell from the cell holder and rinse it with the sample to be measured Fill the cell with the sample and measure it the same way you did the blank 8 Periodically clean the two lenses on the cell holder with isopropyl alcohol and a cotton swab 2 16 Introduction to Your ColorQuest XT System ColorQuest XT User s Manual Version 1 7 Transmission Preform Holder This option provides an adjustable holder for measuring transparent preforms at the transmission port of the ColorQuest XT The holder is appropriate for preforms with a shaft diameter between 10 and 40 mm and a length of at least 50 mm Complete the following steps to install the holder into the instrument 1 Position the holder so that the flat side is aligned at the opening of the sphere at the right of the transmission compartment The base should be down on the floor of the transmission compartment with
27. instrument off and back on again or by touching the Exit Close or Return button depending on the current screen until the Select an Applet screen is reached If you just completed Lesson 1 your display should already be on the Select an Applet screen 2 Touch Color to go to the default measurement screen for Color You may need to use one of the arrow keys to find the applet in the list TANDARRD h F T F ra oF NEM EM L a b LN F WI AE nemo PRINT nicae E sTDz 3 Touch C 2 to change the illuminant and observer to D65 10 4 Touch the name of the current color scale L a b in the screen shown above until L a b is shown You may be required to touch and release the scale multiple times before L a b is displayed ID SRHFLE STANDARD Desain Gi L VI AE e 5 Touch the top index area YI in the screen shown above until no index is shown You may be required to touch and release the index multiple times before is displayed 6 Touch the bottom index AE in the screen shown above until AE is shown if it is not already You may be required to touch and release the index multiple times before AE 1s displayed Lessons 5 3 ColorQuest XT User s Manual Version 1 7 Ib SRHFLE STANDARD Dessin Gi L a AE nemo PRINT E clear stez 7 Place your standard at either the transmission port for TTRAN measurements or the lens for RTRAN measurements For purposes of this le
28. it IDs may consist of up to fourteen alphanumeric characters unless you are using a custom applet that has defined a different number of characters You may touch the Page button to move to a second page of available characters n Wu E Tn uer i E m l Tt n Ur SH gr I EN ES 2 aE fe ES ed E 10 Pip I WE ALL H e TI You may touch the Shift button to change the case of the available characters Operation 4 13 ColorQuest XT User s Manual Version 1 7 You may also cancel the assignment of an ID by touching the Cancel button or backspace to correct an entry mistake by touching the Bksp button For practice taking and displaying spectral measurements perform Lesson 4 in the next chapter 4 14 Operation ColorQuest XT User s Manual Version 1 7 CHAPTER FIVE Lessons This chapter provides four lessons that walk you step by step through some procedures you will often use with the ColorQuest XT You may use samples of your product for measurements while working through these lessons Lesson 1 Loading an Applet This lesson will have you load the Color applet which you will then use in Lesson 2 1 Go to the Select an Applet screen either by turning the instrument off and back on or by touching the Exit Close or Return button depending on the current screen until the Select an Applet screen is reached Your Select an Applet screen may or may not already have
29. months from the date of shipment of repaired instruments The printer and computer are covered under the original manufacturer s warranty HunterLab warranty does not cover expendable items such as lamps fuses batteries diskettes etc The warranty is void if the user has made unauthorized repairs performed improper installation or has incorrectly used the instrument An instrument registration card 1s shipped with major pieces of HunterLab equipment It is important that you return this card promptly upon receipt of equipment The registration card is kept on file with the HunterLab Service Department with complete information on the exact equipment purchased Questions concerning operation maintenance or repair of your equipment directed to the Service Department can then be knowledgeably handled Instrument Replacement Repair Problems and Questions 9 1 ColorQuest XT User s Manual Version 1 7 Shipping Claims All materials are sold F O B from Reston Virginia unless otherwise specified and HunterLab responsibility ends upon delivery to the first carrier All claims for loss or damage must be rendered by the consignee against the carrier within fifteen days of receipt of goods A copy of this notice must also be forwarded to HunterLab within five days of its receipt Breakage or Damage According to the contract terms and conditions of the carrier the responsibility of the shipper ends at the time and place of shipment The
30. one of the applets to move to its measurement screen The example below shows a screen in the APHA applet HP H Hasr osas 177 STANDARD READ 2HHFLE FRIHT DB5 1U ZhHHFLE STANDARD L a at CLEAR la Ed 3 Touch the Stdz button to begin the standardization process The following prompt appears first This applet prompts you to standardize in TTRAN mode Place the black card flat against the transmission port hole in the sphere If you wish to standardize in RTRAN mode as is possible in some other applets place the black card flat against the lens Then touch OK The instrument reads and then the following prompt appears Remove Black Card at TTEHH Port Remove the black card from the transmission compartment and then place the blank if you are using one Place the blank at the transmission port for TTRAN standardization and at the lens for RTRAN standardization Close the transmission compartment door and then touch OK After the instrument flashes the display will return to the applet s measurement screen and you may remove the blank from the transmission compartment Standardization 1s complete and you are returned to your measurement screen Operation 4 5 ColorQuest XT User s Manual Version 1 7 Taking Readings Using the Color Applet The Color applet shows color scale and index information with the color scale values prominent Move to the Select an Applet screen by touching the Exit Close or Return
31. order to keep your instrument functioning properly and tests that you may run to assess its performance Replacing the Source Lamp The xenon flash lamp provides over one million flashes When the lamp no longer flashes or instrument repeatability has become unacceptable it must be replaced To change the source lamp 1 Disconnect the ColorQuest XT from its power source by unplugging the power cord 2 Wait two minutes for complete discharge of the capacitors 3 Loosen the two screws on the right cover with a flat screwdriver Maintenance and Testing 7 1 ColorQuest XT User s Manual Version 1 7 Note These screws are captive within the instrument cover housing and cannot be removed 4 Loosen the thumb screw on the inner panel bezel 5 Remove the right cover from the instrument by sliding it forward and unplug the harness which connects the power on light of the right cover to the instrument 7 2 Maintenance and Testing ColorQuest XT User s Manual Version 1 7 6 Remove the screws and cover from the lamp housing with a Phillips head screwdriver 7 Loosen the two screws just to the inside of the screw holes where you previously loosened cover screws in Step 3 These are captive screws and cannot be removed The right side screw is indicated by an arrow on the photo above Once the screws are loosened push the remaining part of the right instrument cover toward the transmission compartment about 1 2 inch
32. standards Shade Sorting The grouping together of similarly colored materials so that the materials within each group may be used together in a finished product Spectrocolorimeter Visible spectrum sensing full scanning or abridged spectrophotometer with either an integral microprocessor or a personal computer programmed to perform tristimulus integrations normally with a broad bandpass of 10 to 20 nanometers Spectrophotometer An instrument used for measuring the transmittance and or reflectance of specimens as a function of wavelength Spectrum Spatial arrangement of electromagnetic energy in order of wavelength For visible radiation the spectrum is a band of color produced by breaking white light into its component colors Standard A reference against which instrumental measurements are made Standardization Process by which a given method procedure or protocol is made to conform to prescribed conditions Standardization can only follow calibration B 4 Glossary ColorQuest XT User s Manual Version 1 7 Tolerance Limits that determine how far a sample can deviate from a standard Tolerances can be set for any color scale or index parameter Total Transmission Diffuse plus regular transmission Transfer Standards Standards close to the color of the specimens being measured These are the same as hitch standards Translucency The property of a material by which a major portion of the transmitted light undergoes sca
33. the spring screws facing out into the transmission compartment 2 When properly aligned the holes in the base of the holder will align with holes in the floor of the transmission compartment Place a thumbscrew in each of the holes and tighten until snug Metal pegs _ _ Spring screws Base Use the preform holder as follows 1 Standardize the instrument in TTRAN mode on air using Small as the area view and 0 375 inch as the port size When prompted for the black card slide it between the preform holder and the transmission port 2 Open the holder It is easiest to do this by placing an index finger between one of the metal pegs on top of the holder and the transmission port and resting the thumb of the same hand on the end of the corresponding spring screw Pull the index finger toward the thumb until the holder provides an opening large enough for insertion of the desired preform 3 Insert the preform into the holder as far as the preform will go with the threads up Then close the holder and confirm that the preform is held securely in place Introduction to Your ColorQuest XT System 2 17 ColorQuest XT User s Manual Version 1 7 4 If possible close the transmission compartment door and then make your measurement 5 Open the transmission compartment door rotate the preform and measure it again 6 Repeat step 5 until the preform has been measured the desired number of times Applets The following apple
34. to its left 3 Ensure that the on off switch on the left side of the sensor 1s set to off 4 Locate the touch screen assembly which is packed separately Touch screen assembly Touch screen Mounting port stand ball detent Touch screen mounting port 5 Standing in front of the instrument hold the touch screen assembly so that the screen is facing you and place the ball of the touch screen s stand into the detent in the mounting port 6 Turn the bottom of the touch screen s stand so that the open portion faces the front of the instrument and then screw the stand s knob down firmly over the mounting port You will need to hold the touch screen with one hand while you screw the stand knob down with the other hand Installation 3 1 ColorQuest XT User s Manual Version 1 7 Touch screen stand opening should face front Stand knob screw down firmly Touch screen mounting port 7 Plug one end of the curly supplied 9 pin to 9 pin serial cable into the port labeled Sensor on the back of the touch screen Connect the other end to the serial port on the left side of the sensor 3 2 On off switch Power cord receptor Installation Jack for optional foot switch Serial port connects to touch screen ColorQuest XT User s Manual Version 1 7 8 If the optional serial printer was purchased connect the 25 to 9 pin printer cable to the optional printer and to the port labeled
35. to toggle through the available indices The displayed data will adjust accordingly You may also touch the illuminant observer area to toggle between the C 2 and D65 10 choices and touch the title of the main index of interest APHA in this example to toggle between the available permutations of the scale For instance for APHA 10 mm 20 mm and 50 mm versions of the scale are available Operation 4 9 ColorQuest XT User s Manual Version 1 7 Touching the title of the main index of interest while in the Saybolt applet ONLY allows you to enter custom formula factors for that index More information on entering the custom Saybolt factors are given in the Measurement Values chapter On the measurement screen you may touch the Stdz button to initiate instrument standardization as described earlier in this chapter Touch the Print key if you are using the optional printer and wish to print the measurements as currently displayed You may also touch the Clear key once to clear the sample reading and then again to clear the standard reading Touching Exit returns you to the Select an Applet screen Touch the padlock icon if you wish to lock the displayed parameters so that they cannot be changed When the screen is locked the padlock icon closes Then in order to unlock the screen again you must enter the system password and touch OK The system password is set as described on page 7 15 Z2WO0EkED _ F m npo ee rm Ea Ea ZiT m
36. transmitted color When measuring samples it is important to select samples appropriately use an established measurement method and handle all samples in a consistent manner The following guidelines will help you while taking measurements Selecting Preparing and Presenting Samples 1 Choose samples that are representative of the material used If samples are non representative of the batch or are spoiled damaged or irregular then the result may be biased When choosing a sample select randomly and examine the sample to avoid biased results If your sampling procedure is adequate a different sample selected from the same batch should result in comparable measured values 2 Prepare samples in exactly the same manner each time they are measured Follow standard methods if they exist such as ASTM or TAPPI methods 3 Present the samples to the instrument in a standard repeatable manner Results measured depend on the condition of the samples and their presentation If you establish a method so that the same procedure is used each time specific samples or types of samples are measured then you will have a valid basis for comparison of measured results This also ensures repeatability of results when measuring the same sample Make a checklist so that operators may simply check each step The checklist will also help in the training of new operators More on Sample Presentation to the Instrument There are a variety of techniques that
37. you will be asked if you wish to install the Windows Script component of the software Click Yes to initiate a complete installation Applet Programming A 3 ColorQuest XT User s Manual Version 1 7 Windows Script Version 5 1 fmm ce 12 Read the licensing agreement and click Yes to agree to it Windows Script ersion 5 1 13 The needed files will be copied onto your system Copying Files 14 You will be notified when setup is complete Click OK Windows Script Version 5 1 e 15 As the last step you must reboot your computer Click Yes to do so Windows Script Version 5 1 Ces A 4 Applet Programming ColorQuest XT User s Manual Version 1 7 Using the Applet Manager Before opening the software connect the Host serial port on the back of the touch screen to a serial port on your computer using a 9 pin to 9 pin serial cable Be sure the instrument is turned on Then open the applet manager by clicking the Start button and selecting Programs the folder where you placed the software then Applet Manager The following screen will appear Serial Port Set up Please choose a Serial Port i MM E adh ate o COMe2 gen F Exit Indicate the computer serial port where the ColorQuest XT is connected and its baud rate 9 600 is suggested Then click OK The Applet Manager opens 2 Applet Manager V1 60 Instruments Launch Pad Archive Name Ver
38. 0 ADMI values are reported in C 2 regardless of the illuminant and observer selected APHA 1s described below APHA 10 20 and 50 mm The American Public Health Association APHA Index was developed in the 1890s as a visual indicator of the purity of wastewater where color is due to the presence of naturally occurring organic materials such as leaves bark roots humus and peat Today APHA is used as a metric for purity in the chemical oil plastics and pharmaceutical industries This scale serves to quantify the appearance of yellowness a visual indicator of product degradation due to light and or heat the presence of impurities and the effects of processing APHA 10 20 and 50 mm are designed to yield APHA PtCo values that closely correlate to APHA PtCo standard solution values as defined by ASTM D1209 They are calculated from the YI E313 yellowness index in accordance with ASTM D5386 using a proprietary formula A transmission cell with 10 20 or 50 mm path length is required for this metric The sensor should be standardized in TTRAN mode using a clear liquid as a blank 10 6 Measurement Values ColorQuest XT User s Manual Version 1 7 ASBC 10 mm The American Society of Brewing Chemists ASBC scale is used in the measurement of the color of beer malt worts caramel solutions and similarly colored liquids This scale which should be measured using a cell path length of 10 mm is based on the EBC scale which 1
39. 5 42 cm wide 11 27 9 cm high 19 6 49 8 cm deep 45 Ibs 20 4 kg Life of touch screen lamp 10 000 hours to 50 output Environmental Requirements Operating Temperature 50 F 104 F 10 C 40 C Operating Humidity Up to 90 relative non condensing Storage Temperature 5 F 150 F 21 C 66 C for up to three weeks Specifications 8 1 ColorQuest XT User s Manual Version 1 7 Power and Grounding Voltage 100 240 VAC 47 63 Hz Single Phase 100 VA maximum Fuse 3A Slow Blow 250V Equivalent Fuse Type 3A Type 3 AG Slow Blow or 3A Type MDL Installation Category Over Voltage II Power Cord Wire Color Code Jer inion 110V Cord LINE NEUTRAL Instrument Computer Ground Potential Check Perform this check if the power cord wiring is being changed such as for replacement of the cord or if changing the plug The instrument serial port ground connection is referenced to the instrument s internal frame and safety ground Before connecting the communication cable to the instrument serial port apply power to the instrument and the host computer Check the ground potential voltage between the serial port ground pins on the computer and the instrument The ground connection is pin 5 on DB 9 connectors and pin 7 on DB 25 connectors Voltages in excess of 5VAC at 110V input power or in excess of LOVAC at 220V input power may indicate a difference in ground wiring and can damage th
40. AN ALCS uera desto tit io dese emt e zi doa esta Pu pdot tub do deos et gpe B 4 Selects SdmpleS i3 eee ri boton ort ic atu esI eE I S aMo bcd du CE UtUs 6 1 Semi micro cell holder and optical assembly 2 13 SEPA DEIDIGE Sco meret eset cerca eee 2 5 DE IUD ae T A eoee Me treme E oct EET 7 16 Sbado Or eost pon tamtn pU Ron tau MR B 4 SIIDDIAne CIAbTlsSs oie oed Dicas oup enter eR Renee s tma Steal 9 2 SNORAS RC 9 2 Small volume transmission cells sssseee 2 11 OU ECC TOI cuoi oia Deo itt oot c iefaditen ato intents 7 1 SPECLIICATIONS odio CARRERA pa exo COND DS ER LUUD nua onus 8 1 DDSCUTOCOIOFIITIE ICE aa EEE B 4 SPCCUOPNOLOMClCL io 2E ds Dato pecie 1S eda deep B 4 DOCU UTE au cec etel etui ab E ades E a sat ape B 4 S PHOTO iranse 7 10 DANAE a E E B 4 Standardization instructions sesssseeeeessssssseeeeeessssssseeeerssss 4 4 Standardization mod 6S sedeo rud a oie ne ied 4 4 Standardizzat ON cies enis ah Celta hereto opta serais Beta Cult bius o dud B 4 Standardi zino TRE 4 3 aKING TEACIN Sae eio ceto i ob piede ecu I beca Mu 4 6 Technical SUPPOMl sazicswmtecdvcuativaendinertumbestisatistiealeution 9 5 dC m B 4 Total frarnstilsSTODG oo aed too pn iEn ula e ope aide B 4 BECHER NT UNS 2 2 Calbia SI E EE 7 18 C HieckccaliDEAU ONES oo cosio e Sa an O 7 18 IM 7 7 Transfer st
41. ColorQuest XT User s Manual ColorQuest XT amp HunterLab A60 1011 346 Manual Version 1 7 The world s true measure of color HunterLab Hunter Associates Laboratory 11491 Sunset Hills Road Reston Virginia 20190 USA www hunterlab com 4 An ISO 9001 2008 Certified Company Copyrights and Trademarks This documentation contains proprietary information of Hunter Associates Laboratory Inc Its reproduction in whole or in part without the express written consent of Hunter Associates Laboratory Inc is prohibited Windows is a registered trademark of Microsoft Corporation Spectraflect is a trademark of Labsphere Inc Teflon 1s a registered trademark of E I du Pont de Nemours and Company Safety Notes For your safety when using the ColorQuest XT you should pay particular attention to the following types of statements in this User s Manual Each description is shown in its representative typeface The following symbol indicates that there may be a danger of electric shock from high voltage if the given instructions are not followed carefully Table of Contents HOW THE USER S MANUAL IS ORGANIZED 2 sssssssssccccccccsssssssssccesssees 1 1 INTRODUCTION TO YOUR COLORQUEST XT SYSTEM e eee eee 2 1 ColorQuest XT Features aieo iie etico eio EUER ees 1 ep ru tice ee EEEa EENE i etes IDs 2 2 QE elei di IT O
42. EN 45014 Manufacturer s Name Hunter Associates Laboratory Inc Manufacturer s Address 11491 Sunset Hills Road Reston Virginia U S A 20190 Declares that the Product Product Name ColorQuest XT Models CQXT CQXT 2 Conforms to the following Product Specifications Safety EN61010 EMC EN50081 2 1998 EN55011 1998 EN61000 3 2 1995 EN61000 3 3 1995 EN61000 4 2 EN61000 4 3 EN61000 4 4 EN61000 4 5 EN61000 4 6 EN61000 4 8 EN61000 4 11 Supplementary Information 1 This product was tested using an IBM compatible computer European Contact Your local Hunter Associates Laboratory representative or Christian Jansen Griesbraeustrasse 11 82418 Murnau Germany Telephone 49 0 8841 9464 Fax 49 0 8841 99472 8 6 Specifications ColorQuest XT User s Manual Version 1 7 CHAPTER NINE Instrument Replacement Repair Problems and Questions The following HunterLab policies are described in this section e Warranty e Claims e Returns e Service e Technical Assistance Warranty HunterLab warrants that all instruments it manufactures will be free from defects in material and workmanship under normal use and service Our obligation under this warranty is limited to repairing or replacing any defective parts which our examination discloses to have been factory defective when returned to us by prepaid transportation The time limit on this warranty is one year from date of shipment of new instruments and two
43. P CT RAST D65 16 SAMPLE STANDARD i 1465 Md 106 3 1 uL Lwus VT A VM ft i31 Yi Ad fra ave 1 aVe CA rey cr n 14 If you wish to view the data in a slightly different fashion touch the data in the column labeled Standard The standard values disappear pessan Gy LEE SAHFLE L 180 03 a 0 01 b 0 01 FEINT em D CLEAR f s10 ium Lessons 5 5 ColorQuest XT User s Manual Version 1 7 Lesson 3 Measuring and Displaying Index Data In this lesson we will make standard and sample measurements and display delta values for APHA 20 mm Hunter L a b and Yellowness Index using C 2 Begin this lesson with a standardized instrument Instructions for standardization are provided in Chapter 4 1 Go to the Select an Applet screen either by turning the instrument off and back on again or by touching the Exit Close or Return button depending on the current screen until the Select an Applet screen is reached 2 Touch APHA to go to the default measurement screen for APHA You may need to use one of the arrow keys to find the applet in the list H P H A Seti 054386 al STANDARD READ DELTA FEINT CLEAR SAAFLE zTRHLDHRHEKL 3 Touch APHA multiple times if required until 20 mm ASTM D5386 is shown next to it APHHA sn uds ASTH DSIB6 STANDARD READ Illuminant DELTA observer N EN FEIHT r SAHFLE ZTAHNDARDO Color scale a CLEAR 4 Touch the illuminant observer area to change it to C
44. Quest XT User s Manual Version 1 7 Cleaning the Sphere Care should be taken to keep foreign materials from entering the sphere The transmission compartment should be closed when the instrument is not in use The sphere is coated with Spectraflect which can be damaged by putting any objects into the sphere If any foreign material dust lint etc falls into the sphere use the following steps to remove the material 1 Using a small Allen wrench unscrew the three screws in the circular teal portion of the sphere cover on the right side of the instrument and remove the cover to allow access to the sphere 2 Open the transmission compartment and place a vacuum cleaner hose at the sphere opening but do not insert the hose directly into the sphere Cup your hand around the end of the hose to provide a good seal 3 Quickly cover and uncover the opening on the right side of the instrument with your other hand This creates gentle air currents to swirl the foreign matter around and out of the sphere 4 Reinstall the sphere cover 7 10 Maintenance and Testing ColorQuest XT User s Manual Version 1 7 Performing Diagnostics A number of diagnostics are available with the ColorQuest XT You may also set your instrument s clock and a system password using the Diagnostics screen described in this section In order to obtain the Diagnostics screen touch the Exit Close or Return button depending on the current screen until the
45. Select an Applet screen is received HEHORY USED 4B H P H H 41 30 GARDNER riam SAYBOLT ra ALY X s Then touch the Diag button to receive the Diagnostics screen Flash count indicator Each Diagnostics FLASH COUNT 1700 lamp can make flashes ENERGY REPEATABILITY WAVELENGTH The buttons on this screen perform the various diagnostic functions as described below Energy The Energy diagnostic checks the amount of light detected from the lamp and indicates if the sphere wall is yellowing To access this test touch the Energy button Three measurements are automatically taken of air an empty transmission compartment and the monitor and sample channels will be plotted for each When the test is complete a screen of test results is displayed You may save these results to be used for future comparison if you wish by touching the Save button and entering the system password The results should ideally be saved when you first set up your instrument and confirm that it is working properly and then whenever your lamp is changed or a new sphere installed SWORD npo ee rm Ea E Zii med E a E Cm EE Ir Jor pr ae BS ES E Ed ORTE HIS ID I Tl Maintenance and Testing 7 11 ColorQuest XT User s Manual Version 1 7 The next time the energy test is run your display will show the current values for this test as compared to the stored values 40000 HOHITUOUREIHHFLE ALS 11s i47
46. ace the film at the sphere opening and release the tab The rubber grommet at the front of the transmission clamp will firmly hold the sample in place for measurement Close the transmission compartment door and make the measurement Introduction to Your ColorQuest XT System ColorQuest XT User s Manual Version 1 7 Transmission clamp as placed in the transmission compartment for measurements in total transmission The clamp is placed flat at the sphere Transmission Cell Holder The optional transmission cell holder permits measurement of liquids in 10 mm 20 mm 33 mm or 50 mm transmission cells To install it slide the transmission cell holder into the transmission compartment compartment at the center widest part of the transmission compartment Position the holder inside the transmission compartment so that the flat end of the holder is aligned with the left wall of the transmission compartment The slanted end will be at the sphere wall at the right of the compartment Ensure that the holder is flush against the sphere wall Depress and turn the captive screws clockwise If the holder is slightly off line reposition it so that the screws align properly in the holes on the floor of the transmission You may use the holder for measurements in either total or regular transmission by following the touch screen prompts to standardize in the desired mode If you are using total transmission TTRAN place the cel
47. alled It is recommended that the default drive and directory shown here be used but you may use any drive and directory accessible by your computer Use the Browse button to search your system for the drive and directory desired When the correct directory 1s shown in the Destination Directory box click Next to continue to the next screen Choose Destination Location x Setup will install Sensor Applet Manager in the following directory To install to this directory click Nest To install to a different directory click Browse and select another directory ou can choose not to install Sensor Applet Manager by clicking Cancel to exit Setup Destination Directory C Program FilessHunterL ab S cripth gr Browse Cancel Fre erred cl 8 You will be shown the folder where the software will be placed You may choose another folder from the list or type your own folder name into the box if desired Click Next A 2 Applet Programming ColorQuest XT User s Manual Version 1 7 Select Program Folder retenta sd el 9 Anoverview of the installation settings will be displayed Check them and then click Next if they are OK If you made a mistake on a past screen you may click Back until that screen is obtained again Stan Copying Eves Astana ela 10 The needed files will be installed onto your system A status bar is shown so that you can track the progress of the installation 11 Next
48. amp Use the touch screen to standardize in regular transmission RTRAN Place the film sample at the lens port by pulling forward on the tab at the bottom of the clamp and sliding the transmission clamp holder forward Place the film at the lens and release the tab The rubber grommet at the rear of the transmission clamp will firmly hold the sample in place for measurement Close the transmission compartment door and make the measurement Transmission clamp as placed in the transmission compartment for measurements in regular transmission The clamp is placed flat at the lens For measurements in Total Transmission iF 2 6 Position the transmission clamp so that the curved opening is aligned at the opening of the sphere at the right end of the transmission compartment The inner curvature of the clamp should align with the outer curvature of the sphere When properly aligned the holes in the bottom of the clamp assembly will align with holes in the floor of the transmission compartment Place a washer and one 1 4 20 7 8 inch screw in each of the holes and tighten by turning the screw clockwise You may finger tighten the screws or you may use the Allen wrench that 1s included with the transmission clamp Use the touch screen to standardize in total transmission TTRAN Place the film sample at the sphere opening by pulling back on the tab at the bottom of the clamp and sliding the transmission clamp holder backward Pl
49. and delta values for that wavelength will appear above the plot OLUTE AE 0 5 u ABSOREANCE ID READ qo B20 z2 nn H 0 086 O 0 081 CLEAR ili E sz ME 11 Touch the miniature table icon The spectral absorbance values for each wavelength are shown OLUTE AE 0 5 4 ABSOREANCE ID WL RHHFLE TO DIFF 400 B45 015 T10 qiu BBO 053 H21 420 414 048 A 1 1 430 ELE 0945 EL 450 1 003 041 En 460 EE WE ES 039 415 qvi 1i niu 038 E 480 E 041 ELI 440 J46 036 909 CLEAR STD 500 BB D3b B5i PRIHT a R Ct eC E ET n 12 Touch the up and down arrow buttons to move up and down through the absorbance data 13 At this point you may either copy down your sample and standard values or touch the Print button to print them A sample printout for an absorbance applet screen is shown below The table of absorbance values prints first then the plot You may also assign an ID as described in Lesson 3 Lessons 5 11 ColorQuest XT User s Manual Version 1 7 NFORCE B 06 06 2001 11258812 SAPLE ID na Sample standard diff 40 410 420 SSERESES en pa 320 53 W 390 360 SN 330 3 600 L SESSESESSE ABSOLUTE Wind Lod im Lessons ColorQuest XT User s Manual Version 1 7 CHAPTER SIX Color Measurement Notes Transparent samples such as films and liquids can be placed in the transmission compartment of the ColorQuest XT for measurement of
50. ansmission port or at the lens Flexible plastic tubing with an inside diameter of 4 8 mm is connected from the liquid source to the inlet lower tube of the cell and from the outlet upper tube to a drain Using a vacuum pump the liquid is pumped into the cell until the cell is filled A sample reading is then taken and the liquid pumped from the cell to the drain The flow through transmission cell can be used with manual or automated pumps such as peristaltic pumps to inject the liquid into or extract the liquid from the cell Introduction to Your ColorQuest XT System 2 9 ColorQuest XT User s Manual Version 1 7 To install the flow through cell and holder l 2x Place the instrument on a level surface Open the instrument transmission compartment door If you have a transmission sample holder installed remove it Place the flow through transmission cell in the cell holder using the handle on the right side of the cell holder to open and close the holder Orient the inlet and outlet tubes vertically If you wish to make total transmission measurements place the cell holder into the instrument transmission compartment and orient the cell holder so that the cell is almost touching the sphere The cell must be centered over the instrument transmission port If you will be making regular transmittance measurements place the cell holder against the lens in the opposite orientation Locate the two 1 4 20 tapped mounting hole
51. applets displayed Ensure that the padlock icon at the bottom right of the screen 1s in the unlocked position If it is not touch the icon and enter the system password page 7 15 to unlock it Select an HrPrPlet HEHORY USED OF ALY Xm s 2 Touch the Load button The list of applets available for your instrument will appear HEHORY USED 442 E P Q I MN T 5 1 10 ABSORBANCE TE 71 30 21 40 HSBC EBC TR AT Y oro Lessons 5 1 3 9 2 ColorQuest XT User s Manual Version 1 7 Touch the name of the applet to load For this lesson touch Color You may need to use one of the arrow keys to find the applet in the list The applet will load and you will obtain a message stating that it was loaded or that it was already loaded Touch Return to go back to the Select an Applet screen Color is now added to the list if 1t was not already there The Memory Used percentage in the upper right corner should have increased if Color was not already loaded Select an ArPPlet HEHORY USED 137 L 0 L 0 H EET A ALY X s Lessons ColorQuest XT User s Manual Version 1 7 Lesson 2 Measuring and Displaying Color Data In this lesson we will make standard and sample measurements and display absolute Hunter L a b values and AE using D65 10 Begin this lesson with a standardized instrument Instructions for standardization are provided in Chapter 4 1 Goto the Select an Applet screen either by turning the
52. ary B 3 ColorQuest XT User s Manual Version 1 7 Polychromator A device for isolating narrow portions of the spectrum by dispersing light into its component wavelengths Precision The degree of agreement of repeated measurements of the same property Primary Light Any one of three lights in terms of which a color is specified by giving the amounts required to duplicate it by additive combination Primary Standard A standard whose calibration is determined by the measurement of parameters usually different from the parameter for which it will be used as a standard Regular Transmittance Process by which incident light is transmitted through an object in a rectilinear straight through manner without diffusion Refraction The bending of light rays as they pass from one medium into another having a different index of refraction Repeatability The degree to which a single instrument gives the same reading on the same specimen Reproducibility The agreement attainable between measurements performed by different instruments in different laboratories Restandardize To set the top of the standardization scale only Saturation The attribute of color perception that expresses the degree of departure from the gray of the same lightness Scattering The process by which light passing through granular fibrous or rough surface matter is redirected throughout a range of angles Secondary Standards All standards other than primary
53. atid ALS saec ae moo seas cnc eevee E uUa epe eid B 5 Trans iC CIN outset tta bet datu attitude oett elus B 5 Transmission cell holdet x eie ERG Leid otro te eC 2 7 Transmission 6ell9 cuc ence o Uu di er DAE E Ram diuft 2 8 Transmission cells with two screw tops eese 2 8 PANS MMUSSIOMC ANID onto cestereis tape ote ee Lir Rotae Dei abc L eu eed 2 5 Transmission compartment eessssessesseee nennen eene 2 2 Transmission B 5 Transmission preform holder ccccccsccccceeccesseeeeeeeeeeeeeeaes 2 17 Transmission spk EO oae EEE TAER 2 9 Transmittance measurements ccccccccccccececececccccsccscececeues 6 2 Trans AM CINCY as toc eer as E cea Rent B 5 Trichromatic coefficients euen B 1 PERAN C H HQ 4 4 Uniform color Scale Seno o USER ed B 5 Usine the applet Imana9et up pte Ead en dnbie c pado ode A 5 Using the Color applet niece o tret tatto uo rege eoe oan 4 6 Usine the Index Applets 2s cave idt RR ERN AE EdIUde 4 8 Using the spectral Applets ente ar oa e ete edant 4 11 BMS Wy MR E 8 3 Warahi aen desta ea Aa esen neces eens 9 WW AV CLS SU Iis cei ess cu oido cip eroe a tint end ai peces opa ttr doe doa dutas 7 13 B 5 When yo rmeed assrstatib 6 21 ab c eti eR b EAD EPI Rea Ra OR a 9 5 AN 10 1 WY CHOWNESS INCE du E 10 13 XT Sis ie errr are errr E errs ere eevee errr AA Nice 10 13 poo m PPP TEM 10 1 HunterLab ISO 9001 Cer
54. cale standardization to a 100 mm cell filled with dodecane An adjustment is also made for calculating this value using a 50 mm cell rather than a 100 mm cell For values greater than 30 30 is displayed For values less than 16 16 is displayed When the Saybolt function is optimized the following equation is used Saybolt a log AE 0 where AE 1s as above a is the intercept correction constant entered by the user D is the slope correction constant entered by the user 0 1s the correction constant entered by the user Measurement Values 10 11 ColorQuest XT User s Manual Version 1 7 To enter your own constants touch the Saybolt title at the top of the screen The following screen appears Use the keypad to enter each factor as the top of the screen prompts you Touch OK to move on after each entry n T When you touch OK after entering the Theta factor the measurement screen then shows Saybolt indicating that the Saybolt factors have been optimized Measure Saybolt as you ordinarily would 10 12 Measurement Values ColorQuest XT User s Manual Version 1 7 Saybol t STANDARD READ DELTA FEINT STD2 CLEAR LOCK Yellowness Index Visually yellowness is associated with scorching soiling and general product degradation by light chemical exposure and processing Yellowness indices are used chiefly to measure these types of degradation Yellowness Index per ASTM Method E313
55. dantes ene ee heen ee en te ood me LOU 10 7 ASTM COIOL casers ccc wactereencsterscolanctttnraesbsatancteesessseloneudeenaeouss 10 7 VETEELDUME screech sy sate Grete M E DILE ID CONI DN LOAD QUILT B 1 black cardde VIC ite iet bea pb oai Ee Dra e SERE 2 3 Bro DNES anera dawned peat ee aesmoeees B 1 Broken Immstrulnebts 2o eoe Er ee rsen A 9 2 C alibrate TOMEI SCEOOTI eov oae Yc wise deere Ure dp sete ae 7 18 COLD EIE 1 0 9 ern meter te mre en et oan Cadete te coco Ea RT Dong ore Eus B 1 Check calibration of touch screen eeeeeennn 7 18 Chromatic attribue S eegnen ane rE E teet ane erede uec B 1 BUCO TAG RET RTT B 1 Chromiaticity coordinates iei Ce Disi ere roe O3 Regna Eee copus B 1 CHEOMIAUICILY de B 1 CIE 1970 Lra D COOP SDIC e xcxco in obeunt ed eR Re ee B 1 CUP 97 OTe ae D aanren raa ohne oes 10 2 CIE Chromaticity coordinate S usi site iota eer testen 10 1 B 1 CEREC C Kore ERUNT MNT 10 2 CIE T minosity TUnNCUOM ennei Er B 1 CIE Standard ODSCrV el onina OE B 2 CIE WriS tia US VALUES esa aoa teeestaiitialenstanigeredeiiens B 2 C IE EEESEDERRU IUS NI creator ove tu Oen ae tuii ene on tn even tet 10 1 CC IB ciii ideae ALIO do M MM CAT LEO M ue aaa B 1 CMS eoezac eoe eios Dose Eento cedo pe ades fetu elo o DDo Pel ues che stu a uoa denied sUUeUI 9 2 Gi Eis eH HU rr see rr ener ream r ry B 2 CIO e ee mci DM LA REEL D MO Lodxprc M eee 7 15 uurpwc o 10 9 B 2 Col
56. data ABSOREANCE ID WL RHHFLE T0 DIFF ugo 000 H36 841 4i0 000 ELE NL 420 000 406 901 430 000 EINE 440 Dnn T1 HTI 450 000 498 998 Tt 000 4 041 i 011 410 000 1 005 1 005 480 000 4715 975 490 000 A344 944 500 000 HB4Y BBY In the 3 Points applet you may touch any of the three displayed wavelengths to increase its value by 10 nm On the measurement screen you may touch the Stdz button to initiate instrument standardization as described earlier in this chapter Touch the Print key if you are using the optional printer and wish to 4 12 Operation ColorQuest XT User s Manual Version 1 7 print the measurements as currently displayed You may also touch the Clear key once to clear the sample reading and then again to clear the standard reading if there is one Touching Exit returns you to the Select an Applet screen Touch the padlock icon if you wish to lock the displayed parameters so that they cannot be changed When the screen is locked the padlock icon closes Then in order to unlock the screen again you must enter the system password and touch OK The system password is set as described on page 7 15 F SWORD _ T mm es rm a Q A CITC Tl To assign an ID to the last measurement touch the ID area at the top right of the screen A keypad will appear on the screen Type in the desired ID and then touch OK to apply
57. e instrument and or the computer Check the wiring and take other steps as needed to reduce this difference before connecting the communications cable You may also use a data optoisolator 8 2 Specifications ColorQuest XT User s Manual Version 1 7 Conditions of Illumination and Viewing Geometry Diffuse illumination 8 viewing using a 6 152 4 mm plastic integrating sphere coated with Spectraflect M Illumination Xenon lamp with 1 000 000 flashes minimum life Monochromator Diffraction grating dual channel Detector 256 element scanned diode array 128 elements per channel Interface Mode Serial RS 232 Area of View Large area view port size 1 25 4 mm diameter Large area view measured area 3 4 19 0 mm diameter Measurement Modes Total Transmittance TTRAN for path lengths up to 50 mm Regular Transmittance RTRAN for path lengths up to 80 mm Specifications 8 3 ColorQuest XT User s Manual Version 1 7 Instrument Performance Wavelength Range 400 700 nm Wavelength Bandpass 10 nm equivalent triangular Wavelength Interval Wavelength Accuracy Photometric Range 8 4 Specifications ColorQuest XT User s Manual Version 1 7 Regulatory Notice A copy of the ColorQuest XT s Declaration of Conformity according to ISO IEC Guide 22 and EN 45014 follows on the next page Specifications 8 5 ColorQuest XT User s Manual Version 1 7 E DECLARATION OF CONFORMITY according to ISO IEC Guide 22 and
58. ectrophotometer with a wavelength range from 400 to 700 nanometers nm All tristimulus integrations are based on a triangular bandpass of ten nm and a wavelength interval of ten nm The instrument can measure regular and total transmitted color of a product The sensor uses a plastic integrating sphere that is six inches 152 4 mm in diameter and coated with Spectraflect M which diffuses the light from the lamp The light illuminates the sample and is transmitted through it A lens is located at an angle of 8 from the perpendicular to the sample surface The lens collects the transmitted light and directs it to a diffraction grating which separates the light into its component wavelengths These components are then measured by a diode array and converted into usable data T h screen M ouch scree Transmission compartment Macro Read button Power On light ColorQuest XT Lens port Sphere cover that is removable for cleaning the interior of the Transmission sphere sphere port The ColorQuest XT The ColorQuest XT may be operated through the touch screen display on the instrument itself as described in this manual and it may also be operated while connected to a computer running EasyMatch QC Software Refer to the EasyMatch QC User s Manual and help file for more information on operating the ColorQuest XT from a computer Introduction to Your ColorQuest XT System 2 1 ColorQuest XT User s Manual Version 1 7 Col
59. ed N C N E Cm EE Ir Ojo es amp BS ES E Ed Q A m I Tl To assign an ID to the last measurement touch the ID area at the top right of the screen A keypad will appear on the screen Type in the desired ID and then touch OK to apply it IDs may consist of up to fourteen alphanumeric characters unless you are using a custom applet that has defined a different number of characters You may touch the Page button to move to a second page of available characters un E Tn uer i E m l Tt ng Ur SH P BEI WSS 2 H eI Tl You may touch the Shift button to change the case of the available characters 4 10 Operation ColorQuest XT User s Manual Version 1 7 You may also cancel the assignment of an ID by touching the Cancel button or backspace to correct an entry mistake by touching the Bksp button For practice taking and displaying index measurements perform Lesson 3 in the next chapter Using the Spectral Applets The spectral applets are those that display spectral absorbance or transmittance plots and values These include the 3 Point Absorbance and Transmittance applets Move to the Select an Applet screen by touching the Exit Close or Return button depending on the current screen From the Select an Applet screen touch the name of one of the applets to move to its measurement screen The example below shows a screen in the Absorbance applet To initiate a
60. ed to reconcile the problem and or results of any diagnostics 7 The type of product being measured 8 Operating environmental conditions under which the instrument is normally used such as temperature humidity dust fumes etc 9 Whether the instrument has recently been moved or the computer reconfigured 10 The name s of any HunterLab personnel with whom you have previously discussed the problem The general number for HunterLab is 703 471 6870 To place an order for prices on instruments software or replacement parts or to return damaged or incorrect parts ask for the ORDER PROCESSING DEPARTMENT For applications advice for help in correcting instrument or software problems to return instruments to HunterLab for service or to ask questions about the servicing or recalibration of instruments ask for TECHNICAL SUPPORT HunterLab may also be contacted through its web site www hunterlab com The mailing address for HunterLab headquarters is given below Customers outside the United States should contact their HunterLab distributor for initial assistance Hunter Associates Laboratory Inc 11491 Sunset Hills Road Reston Virginia 20190 U S A Instrument Replacement Repair Problems and Questions 9 5 ColorQuest XT User s Manual Version 1 7 CHAPTER TEN Measurement Values Color values measured using the ColorQuest XT are relative to the absolute value of a perfect reflecting diffuser as measured under the same geo
61. en press and hold the Macro Read button on the instrument for about two seconds to obtain the Calibrate Touch Screen display Follow the prompts to touch each of the four corners of the screen in turn You should use a pencil or other stylus to touch the screen for this calibration After all four corners are touched Calibration succeeded is displayed and you may touch any part of the screen to exit Press the Macro Read key on the instrument to cancel the calibration procedure Maintenance and Testing 7 19 ColorQuest XT User s Manual Version 1 7 CHAPTER EIGHT Specifications The specifications and characteristics of your instrument are given in this chapter For best performance your instrument should be placed where there is ample work space with medium or subdued illumination and no drafts For optimum results a clean air conditioned area is recommended with a relative noncondensing humidity of less than 85 and relatively constant temperature between 50 F and 104 F 10 40 C The instrument should be connected to a stable instrument grade power line If other equipment is connected to the same power line a transient power surge may be produced when the other equipment is turned on If this happens restandardize the instrument before making measurements HunterLab recommends using a line conditioner with a minimum 600 VA rating and a battery back up system Physical Characteristics Optical Sensor approximately 16
62. esired ID and then touch OK to apply it IDs may consist of up to fourteen alphanumeric characters unless you are using a custom applet that has defined a different number of characters You may touch the Page button to move to a second page of available characters i im A E EE io I E ES py x mrs In o Ojo Ic lt 5 E em Ta a E eI Tl You may also cancel the assignment of an ID by touching the Cancel button or backspace to correct an entry mistake by touching the Bksp button For practice taking and displaying color measurements perform Lesson 2 in the next chapter Using the Index Applets The index applets are those that display color scale and index information with the index values prominent These include the ADMI APHA ASBC EBC ASTM Color Gardner and Saybolt applets Move to the Select an Applet screen by touching the Exit Close or Return button depending on the current screen From the Select an Applet screen touch the name of one of the applets to move to its measurement screen The example below shows a screen in the APHA applet APHAZ ssm 2 STANDARD READ DELTA FEINT CLEAR S2HHFLE zTRHhHLDHRHEKL 4 8 Operation ColorQuest XT User s Manual Version 1 7 To initiate a reading either touch the Read button on the touch screen or press the Macro Read button on the body of the ColorQuest XT The sample will be read and its absolute tristimulus values and index data displa
63. he International Commission on Illumination the main international organization concerned with color and color measurement CIE Chromaticity Coordinates Trichromatic Coefficients The ratios of each of the tristimulus values of a color to the sum of the tristimulus values In the CIE system they are designated by x y and Z CIE Luminosity Function A plot of the relative magnitude of the visual response as a function of wavelength from about 380 to 770 nm adopted by CIE in 1924 Glossary B 1 ColorQuest XT User s Manual Version 1 7 CIE 1976 L a b Color Space A uniform color space utilizing an Adams Nickerson cube root formula suggested in 1976 for adoption by the CIE in 1976 for use in measurement of small color differences CIE Standard Observer A hypothetical observer having the tristimulus color mixture data recommended in 1931 by the CIE for a 2 field of vision x y Zor x2 y Z2 A supplementary Observer for a larger 10 field Ki Yio Zio was adopted in 1964 CIE Tristimulus Values The amounts of the three reference or matching stimuli required to give a match with the color stimulus considered in a given trichromatic system Clarity The characteristic of a transparent material whereby distinct images may be observed through it CMC Color difference based on the CIELAB color scale which can automatically generate tolerances for perceptible or acceptable differences Color Attribute A three dimensiona
64. ice e dE bod un Ferte eae ee ad 2 18 ENSI AU Ne TION oen neu hona Eu EE Ee 3 1 Installation of the ColorQuest XT System e eee eee eee eee eee eee o ee eee ee eee teet eee eee eee e esee eoe 3 1 OPERA TION o A REOR RE ROREM DOR I EO 4 1 L adine PIOUS ee S 4 1 DS AIDC AB LU ZING ooi ved Fo o rh i re te e ELE I s e t eetuvei be Fe Eri hi iis cu teet ues Ee vio inse ii p uet 4 3 Gellerdlos anos en nee eek tado emus OR M Te ar oca rtr D un eco co EIE me Me Tent PC ree Te 4 3 SLAM GALCIZ AION Mode NM RTT T 4 4 TRIS ORE COIS atch TE E E E o S DUE TETTE 4 4 BE Sup deeds adecses toenecesvessesanseeete 4 6 Usims tlie Color ADDIGUsccuscuismentenete sudo Worse noraen ovr ener re eens fecti idein Ves ee rune nner Mee ee tal ey rere 4 6 Usine the Index ADDIGIS xenon dentibus ets od en buscas uM Lon eee aegis 4 8 Us meteo npe rar NOD bes s osten ed aient ta E came ada hier tav ine oam adiutor E 4 11 LESSONS cnisia EE A AEE A AEE UAR 5 1 Lesson 1 Loadins an Applet acoria E 5 1 Lesson 2 Measuring and Displaying Color Data sceeeccccssssccececccssssececeocosssssccecocossssssececossssssssee 5 3 Lesson 3 Measuring and Displaying Index Data ccccccsssssssssssssccccccsssssscssccccssccessssssscscosses 5 6 Lesson 4 Measuring and Displaying Spectral Data ecce ecce eee e eee e eee eee eee eee e eene 5 10 COLOR MEASUREMENT NOTES
65. ie ar Cet elo eot buts D aa ededsanreual uss 7 9 NESS S ONG L E E EAT E EL tpe do saan auton E alone dodi 5 1 Nes WU cire EM TE ENTE B 3 Ele o dsooiuise diti e Mn tede attitude Men bed EN B 3 X9 HOS Seepra A sna es B 3 Li adi an ap PIC be xe techie ees EN M AU 5 1 Loadime apDIG tS rua oe ete od da dub aan ate omer Meer 4 INTACT O Pe AC DUELOIDu usse conis sohtri ei 1805 ona polo te Conse ase USERS 2 2 Marntenahe Cerapan TS 7 1 Measurement Value Si kei docuit ir eroe i 10 1 IVICASUEITI D oes stated inh atu ce DILE TI Sau bO cdi etia Capa taDIL e Ti oup cM od 5 3 5 6 5 10 Me tamerisim INGEX faxes eot e Ire teet a ducas B 3 IVIGEATHO EIS HTESuisetssesiocve detur ite atqtie MR odes inet B 3 Munsell color SyStettlecos edid do Dro nece etie Co reddis B 3 NDO IG Bo recien aren ere ee dep e ca iem UM EDU B 3 ObIeCE COLOES aoa wee etre tee enna eRe On ias ou cta d tet B 3 Observie CONGITIONS osos don este de Den dtateta Palast tede d B 3 e sis She 0 sos oration titre M Uadte tes Us See M M UL S de EMEN 4 Opponent Color Scale Scooter na ertet ev toe a e oet rien 10 2 Opponent colors sySLeT u iiie ted er IEEE ENSE PR UH eames B 3 BOSTON PTT LT 2 4 Order processing department eeeeessseeeeeeeee 9 5 Organization of the user s manual ssseeees 1 1 Pass Word oeceecleidie deett dic avem aun vad xcu iu betes elaine intr 7 15 PeICODHOIlu oue bet E ieee oe Eli Md B 3 Perfeetartiuse rans THEE cose Eg
66. is calculated as follows _ 100 C X C Z 7 Y YI where X Y and Z are the CIE Tristimulus values and the coefficients depend on the illuminant and observer as indicated in the table below Coefficient D65 10 Measurement Values 10 13 ColorQuest XT User s Manual Version 1 7 APPENDIX A Applet Programming Occasionally you may come across an application for which none of the HunterLab supplied applets is appropriate or you may need to calculate a scale or index that is not included in these applets Using the ColorQuest XT s built in applet language and Windows Notepad or another text editor you may define your own color scale and index formulas illuminants and screen layout for the touch screen display The information required for programming applets is contained in an HTML help file entitled COXEML CHM which is installed with the ColorQuest XT Applet Manager This software is included with your instrument and is described in the rest of this appendix After your applet is programmed load it into your ColorQuest XT using the Applet Manager application Installing the Applet Manager The Applet Manager application requires a computer running Windows 95 or higher 1 Insert the installation CD into your CD ROM drive If your system is set up to automatically run CD programs the setup program will begin automatically and you may skip to Step 5 2 Click on the Windows Start button 3 Select Run from the com
67. iste ka aUos cased R aS 6 1 Selecting Preparing and Presenting Samples cccccccccccssssssssssscccccccssssssssssccccsscessssssssccosees 6 1 More on Sample Presentation to the Instrument esses nennen nennen nnne 6 1 Transmittance IVICA UIT CLIN CIN S o sa cee has xt buta iab EM pecia taba ra eee tone ash cet rele 6 2 MAINTENANCE AND TESTING pisccessssteesvesvasssonsvanesxaseneseretsineduveseastonsssomeassucvexeteeines 7 1 Replacing the Source Lampes ranar aa aeoe aaa SEs 7 1 Replacme the FUSES sninn A IM 7 5 Cleaning the TOUCH SCEeel ioo E AEE EE R EE 7 7 Cleaning the Lens Surface and Didymium Filter scsccsscccsssssssssscsscccccccccsssssscscccsssssssssscsees 7 9 Cleaning tlie Sphere oie iin rre ne ia 7 10 dut will Diagnostics M OEN 7 11 EE S T M eas 7 11 Kepe tabiiy casera obe vasco tre io dts sical vds suce o deu tyson edna onde cM USE UPS 7 12 ModyelenbltDu docete tuo Dude eb E M ERE d dieta P EOM bed Motu 7 13 iur NM m 7 15 la doro K 7 15 Isl 7 16 Cheek Calibration or TOUCli SCE I iu eet mns triste iacet tud tVda n etait fUcb e di darin adotta 7 18 Calibrate Toute Sereell ient E oho test dco ner Ro lem teu eL Acari hat he Pene MU 7 18 SPECIFICATIONS icona no dI E TEE 8 1 Phy
68. ive where you can load additional applets Use the Diag key to move to the Diagnostics screen The Diagnostics screen and its functions are described in Chapter 7 Touch the Lock icon in the bottom right corner of the screen to lock the unit and prevent loading or unloading of applets Diagnostics may still be performed in the locked state however Press the Lock icon again and enter the system password page 7 15 to unlock this screen again The following applets are included as standard options with your instrument e 3 Points of spectral data e Absorbance e ADMI Operation 4 1 ColorQuest XT User s Manual Version 1 7 APHA ASBC EBC ASTM Color Color Diagnostics Gardner Saybolt Transmittance Additional customized applets may be purchased separately from HunterLab You may also use a text editor and the built in ColorQuest XT applet language to create your own applets as described in Appendix A Any applets purchased from HunterLab however are marked as read only and may not be altered The number of applets you can archive and load onto your system is limited only by the available memory 128 KB for loaded applets and 256 KB for applet archives Only one applet can be active and controlling the ColorQuest XT at any given time however To transfer an archived applet to loaded memory for use complete the following steps l 2 4 2 Press the Load button The following screen is displayed listing all the applets
69. l at the sphere opening at the right of the transmission compartment If you are using regular transmission RTRAN place the cell at the lens port at the left of the transmission compartment The transmission cell holder holding a 20 mm cell at the sphere opening Introduction to Your ColorQuest XT System 2 7 ColorQuest XT User s Manual Version 1 7 Transmission Cells The transmission cell option provides an optically clear glass cell with a fixed path length of 50 mm 33 mm 20 mm or 10 mm Transmission cells are recommended for transmission measurements of lightly pigmented materials When used for transmission measurements of liquids the cell filled with distilled water or another clear solvent should be used during standardization to set the top of the scale For transmission measurements use the cell size recommended by your measurement specification such as an ASTM method or use the general rule that smaller path lengths should be used for more concentrated colorants The dimensions and volumes of the various transmission cells are as follows Minimum Sample Dimensions of Volume for Measurement Face Measurement Width x Height in mL mm Transmission Cells with Two Screw Tops This option provides an optically clear glass transmission cell with a fixed path length of 50 mm 33 mm 20 mm or 10 mm that is enclosed and has two Teflon lined screw caps for injecting and removing volatile liquids from the cell
70. l characteristic of the appearance of an object light source or aperture One dimension usually defines the lightness and the other two together define the chromaticity Color Constancy Substantial invariance of object color perceptions in the presence of changes in illumination or viewing conditions Color Difference The magnitude and character of the difference between two object colors under specified conditions Colorimeter Instrument which senses tristimulus values and converts them to chromaticity components of color Color Measurement Scale A system of specifying numerically the perceived attributes of color Color Perceived The visual sensation produced by light of different wavelengths throughout the visible region of the spectrum By such perception an observer may distinguish differences between two objects of the same size shape and structure Color Specifications Tristimulus values chromaticity coordinates and luminance value or other color scale values used to designate a color numerically in a specified color system Delta Descriptor A comparison of a sample to a standard in words It is based on color difference data When the selected color scale is L a b or L a b the delta descriptors are lighter darker redder greener or yellower bluer When the selected color scale is LCh the descriptors are lighter darker less saturated more saturated and less chromatic more chromatic Diffuse Transmission Process
71. lows AL Lemp Lstp f AL sample is lighter than standard if AL sample is darker than standard Aa asmp astp if Aa sample is redder than standard if Aa sample is greener than standard Ab bsp bsrp if Ab sample is yellower than standard if Ab sample is bluer than standard 10 2 Measurement Values ColorQuest XT User s Manual Version 1 7 The Hunter Lab total color difference AE is calculated as follows AE VAL Aa Ab The CIE 1976 L a b Scale is recommended by the Commission Internationale de Eclairage CIE It is a simplified cube root version of the Adams Nickerson space produced by plotting the quantities of L a b in rectangular coordinates The relationship between the CIE L a b scale and the CIE XYZ scale for any illuminant referenced in ASTM E308 1s as follows L 116 on Y n et xo 3 AZ ve f A X JS if X X gt 24 116 s 34 Mos Jed ue dEXIX lt 24 116 TA if Y Y gt 24 116 3 34 Mos uc dFYY sQAnI6 2 J A if Z Z gt 24 116 2 34 Kol Z aa cc Cif Zin lt 24 116 and X Yn and Z are tristimulus values for any illuminant where D f Total Difference AE is defined as follows Measurement Values 10 3 ColorQuest XT User s Manual Version 1 7 AE VAL Aa Ab where AL L smp L stp Aa a sop a srp Ab b smp b stp For more information see AATCC Test Method 173
72. mand list 4 Type D SETUP and then press Enter If your CD ROM drive is assigned a designation other than drive D use that letter in place of the D in this statement 5 The setup program will boot and the following screen will be shown Applet Programming A 1 ColorQuest XT User s Manual Version 1 7 Setup Es Sensor Applet Manager Setup is preparing the Install5 hield r Wizard which will guide you through the rest of the setup process Please wait sw EE 6 The Welcome screen will be shown next Read the information provided exit any programs currently running other than Windows and click Next to continue to the next installation screen Welcome E Welcome to the Sensor Applet Manager Setup program This program will install Sensor amp pplet Manager on your computer It ig strongly recommended that you exit all Windows programs before running this Setup program Click Cancel to quit Setup and then close any programs you have running Click Next to continue with the Setup program WARNING This program i protected by copyright law and International treaties Unauthorized reproduction ar distribution of this program or any portion of it may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under law Installshield Cancel 7 This screen allows you to choose the drive and directory where the selected program files will be inst
73. ment No 2 to CIE Publication No 15 Colorimetry Bureau Central de la CIE Paris 1978 For more information see AATCC Test Method 173 Calculation of Small Color Differences Measurement Values 10 5 ColorQuest XT User s Manual Version 1 7 Indices Absorbance Absorbance values are calculated for each wavelength Absorbance logigT where T transmittance ADMI 10 mm and 50 mm The American Dye Manufacturer s Institute ADMI scale was developed for the measurement of wastewater containing dyestuffs and textile effluents This scale may be used on clear liquids of any color ADMI units are based on the total AnLab color difference of APHA solutions from distilled water Distilled water has a value of zero in ADMI units as it does in APHA units An ADMI value of 500 is assigned to a solution having a total color difference from distilled water equal to the total color difference from distilled water of the APHA stock solution which has an APHA value of 500 The HunterLab application of this scale is designed for use with bluish liquids Be certain to use the size of transmission cell corresponding to the scale you are calculating The sensor should be standardized in TTRAN mode using a clear liquid as a blank When an APHA PtCo standard solution that conforms to ASTM D1209 1s prepared and read on your instrument it should read within the repeatability specifications of ASTM D1209 An APHA 400 solution should read as ADMI 40
74. metric conditions see ASTM Method E308 according to the January 1 1969 recommendation of the International Commission on Illumination CIE These values are traceable to measurements made at the National Institute of Standards and Technology This chapter explains the various color scales color difference scales and indices available for display using the default and optional ColorQuest XT applets Custom applets ordered from HunterLab may include scales and indices not described here Color Scales and Related Color Difference Scales CIE Tristimulus XYZ Scale ColorQuest XT performs integration of transmittance values over the visible spectrum to arrive at tristimulus X Y and Z values These values simulate the color matching response functions of the human observer as defined by the 1931 2 Standard Observer or the 1964 CIE 10 Standard Observer Tristimulus integrations based on any or all of the illuminants may be selected For a complete description of how to calculate tristimulus values refer to the publication CIE 15 2 and to ASTM Method E308 The related color difference values are defined as follows AX Xsmp Xstp AY Ysmr Ysp AZ Zsmp Zsrp CIE Chromaticity Coordinates Yxy The relationship between CIE XYZ values and the x y chromaticity coordinates is as follows X E Y Y CIE Tristimulus Y as above x y X Y Z X Y Z The related color difference values are defined as follows
75. mimi os Introduction to Your ColorQuest XT System 2 13 ColorQuest XT User s Manual Version 1 7 Cell holder and optical assembly Example of semi micro disposable 10 mm cell Example of masked semi micro glass Example of SUMIT GEN standard disposable 10 mm cell Example of masked semi Example of micro glass standard glass 10 10 mm cell mm cell Complete the following steps to install and use the semi micro cell holder Slide the semi micro cell holder and optical assembly into the transmission compartment at the center widest part of the transmission compartment with the large lens of the optical assembly toward the instrument lens and the small lens of the optical assembly toward the opening in the sphere The large lens goes at the instrument lens XN Ensure that the holder is in a straight line between the instrument lens and the hole in the sphere Depress and turn the captive thumbscrews clockwise into holes in the transmission compartment floor If the holder is slightly off line reposition it so that the screws align properly in the holes on the floor of the transmission compartment 2 14 Introduction to Your ColorQuest XT System ColorQuest XT User s Manual Version 1 7 3 Initiate standardization in TTRAN mode for LAV sliding the black card device between the cell holder and the hole in the sphere when prompted for the black card e 4 When prompted for the cell blank fill the
76. nterLab part numbers are included for your convenience in ordering e Foot switch assembly HL D02 1010 327 e External serial printer HL L01 1010 678 for 10V LO1 1010 679 for 220V e Transmission clamp HLA4C02 1005 444 e Transmission cell holder HL C02 1005 481 e Transmission cells HL 13 8573 20 for 50 mm B04 1003 801 for 33 mm 04 4592 00 for 20 mm 13 8573 40 for 10 mm e Transmission cells with two screw tops HL D12 1011 893 for 10 mm D12 1011 890 for 20 mm D12 1011 891 for 33 mm D12 1011 892 for 50 mm e Transmission spill tray HL D02 1011 568 e Flow through transmission cell holder and cells HL D02 1009 960 for holder C04 1001 960 for 50 mm cell C04 1001 959 for 20 mm cell C04 1001 958 for 10 mm cell e Holder for small volume transmission cells and 10 mm small volume transmission cells HLZDO2 1011 886 for holder A13 1011 613 for cell e Cylindrical cell holder HLZ D02 1011 550 e Semi micro cell holder and optical assembly HL L02 1012 202 e Transmission preform holder HL D02 101 1 833 e Applets various part numbers e EasyMatch QC Software HL EZMQC COXT 2 4 Introduction to Your ColorQuest XT System ColorQuest XT User s Manual Version 1 7 Foot Switch Assembly The foot switch assembly performs the same actions as the Macro Read button on the sensor initiates a sample reading and acts as the OK button when the screen shows a standardization prompt Install
77. o change the alphanumeric keypad from its default QWERTY layout touch QWERTY to obtain the menu of selections from which you can choose your desired layout Control Panel El Fun Aeelet at Startue CAFHAI El Enable APPlet EXIT Button El Backlight Always OH If you wish to change the date format from its default month day year layout touch to obtain the menu of selections from which you can choose your desired date format Control Panel E Run HPPlet at Startue HF HH1 Bl Enable APPlet EXIT Button El Backlight Always OH Touch Close to exit Two items concerning the touch screen are also available You may check the calibration of the touch screen if you suspect it is malfunctioning and you may calibrate the touch screen Check Calibration of Touch Screen From the Diagnostics screen touch the bottom right corner to obtain the Check Calibration of Touch Screen display Touch each outlined square in turn to test that area of the screen The touched area should highlight To exit this screen touch the Macro Read button on the instrument 7 18 Maintenance and Testing ColorQuest XT User s Manual Version 1 7 Calibrate Touch Screen The ColorQuest XT s touch screen is calibrated at the factory but a calibration procedure is provided in case it becomes necessary to calibrate it again To do so touch the Exit Close or Return key depending on the current screen until the Applets Loaded screen is obtained Th
78. of some other spectral composition Metamerism Index A measure of the degree of metamerism A general index of metamerism is derived from two metameric spectral distribution curves without regard to the illuminant A special index of metamerism is specified to two different illuminants Munsell Color System The color identification of a specimen by its Munsell hue value and chroma as visually estimated by comparison with the Munsell Book of Color Nanometer nm Unit of length equal to 10 meter Object Color The aspect of the appearance of an object dependent upon the spectral composition of the incident light the spectral reflectance or transmittance of the object and the spectral response of an Observer Observing Conditions The geometric and spectral conditions of illuminating and viewing a specimen for visual or instrumental evaluation In visual observations the conditions include the surroundings and the state of adaptation of the observer Opponent Colors System A color system based on Hering s opponent colors theory which states that there are six independent color dimensions which are perceived by three opponent color systems black white red green and yellow blue Perception The combination of different sensations and the utilization of past experience in recognizing the objects from which the stimulation comes Perfect Diffuse Transmitter An ideal uniform diffuser with zero absorbance and zero reflectance Gloss
79. one p ea naU ERE toss B 3 PEANDA uu reuse bo ee ere fre Poe er midd 8 4 Performing 1a SMOSUCS uei ineimie omes ie Den Fut diera 7 11 Physical characterises sotudo osse peo qt aont ia abe todo otia 8 1 Poly cDtoOmofOE aise setae tiie Ato Miet e cub een ahah B 3 Powerom Ue Deseci i tub pq Mesa ead mote tea udis 2 2 luo v HO B 8 2 PRC CUS LON aa ete cco KM ene ea ene B 4 Preparine Samples aote betae tteuSU eoe sided 6 1 PHESEMUING samples do etia cR E ora CURT 6 1 Primary HS D aod tei eub E eeu ied B 4 Primary SEADOGEG ioo erit ato o re seated aed te bien B 4 PrODIGIBS cose Ud MEE LEM E E ee ee E 9 PrO TaD N a ers een etme tus er etu tree A 1 USS MOINS P E E EA E A A T EAA ID E E 9 1 RelerenCe Seane T eu darn ane C 1 FRE ITO LOB Ga aeu aio sad cereo uibs cub ioo ute o ead aba ao A hoe bg DU B 4 Resular fratsmilttdallCe 2 61 tbi ie Roe Deis abc Lex etos B 4 RED eT M 9 Repeatapi lity ied oett peat eames 7 12 B 4 Replace men oare E 9 1 FROG IDE eaea ood ndi bdo A B 4 IC PULS rn et Ree NN E ee 9 4 gon 4 4 Sa eV NOUS NE REN S Front of manual Sarnple deviCeSuu tete onte tien uu UN tete AN eae 2 4 D attt AM OM aeui op Me abrogata ENA B 4 SPD E HI 10 11 vIecu odii utem DD DE B 4 DCLOE been ee ere ee ee A er etre Sacer eie dtque 2 2 Calbia sis ee ec eaten reich caine ANE 7 18 Check cali raion dosi e ES Ram em eerste U ot iden 7 18 Secondary SC
80. or dU E DUEE octo tb teuer M bbc boucles i B 2 CoO CONSTANCY sodes re andina Essere A EE B 2 Color dilterence Seal S ie eo ono Eon ER Er Ga 10 1 Color difference cececcecoccececcececcecersececsececaccscensececsecs B 2 Color measuremellb scale ione e nado tou Eee i aed edo ad Gne bcd B 2 Color DetcOIVeieonsiin io den utet ehereio oput ssh nale dun Coll tione od L0n B 2 CODESA cscitoctectieptid ttes ame ido acus bombes toot ame tsi neas 10 1 C OlOE SPECIIICATIONS aie enocutitiese alice Marianne d bees doubts B 2 COIE ter 025 Met qaleiim E B 2 Commission Internationale de l Eclairage B 1 CONTIS oes sata area cece ID E IM neces 7 8 Cvhnarical cell Boldetus deuote da aee tea SU Lote x ati beiiout 2 12 Damased mstr mebs i 2 iei ERU T te b NA 9 2 Ip repr 10 3 DDE m 10 4 Delta deseriDtOE aceti ha tabc cient Io pb E IEEE nb cL cens B 2 Iu38nOS TICS iecit tate gud xe ber beg ezt iun aua heat Cere beef aut 7 11 Didyma CHE nc sessurtvetsic dusk pao utendi uoa 2 3 7 9 Dur tuse Trans mus STOLE 2nd reet son Eo eurem dated B 2 DUS plas CODE Asso oorr nd bra E Eve mbi E ERN 7 8 DiS playin COLOR Gb iaceescei iiem suede aub A 5 3 Displaying 1 dexX dala sisi nih ccoisobasacvaled wa dates ela do dte ade dnt 5 6 Displayine Spectral Cate aec o Sa cese M Ene De et NER 5 10 Easy Mate WOC SOW ane sides Witte Stirs aeo Ere d dut gota ean Masses ie 2 18 EBC T0 TE 0 Vien it pol c I
81. orQuest XT Features The ColorQuest XT possesses the following default features Touch Screen The touch screen assembly allows commands to be given to the sensor and then displays the data received back from the sensor such as the color scale values for a read sample The backlit liquid crystal display LCD shows 240 x 128 pixels The screen may be swiveled and tilted to the most convenient position for operation and viewing In order to give commands to the instrument and respond to prompts you will need to literally touch designated areas of the screen A highlighted labeled area of the screen that performs a specific function will be called a button or key in this manual for instructional purposes even though there is no physical raised area or moving part actually present You may touch a button or key using a fingertip or a stylus such as a pencil eraser You need not press the button hard in order to activate its command Each proper button touch causes the screen assembly to beep The touch screen automatically powers down if it is not touched for four consecutive minutes Touch anywhere on the screen to reactivate it Transmission Compartment The transmission compartment located in the middle of the sensor is used for measuring the transmitted color of transparent solids or liquids The transmission compartment door should be closed while standardizing and taking measurements Macro Read Button The Macro Read bu
82. out in the vertical section is at the transmission port hole in the sphere The base holes should be positioned over two of the threaded holes in the transmission compartment floor Insert the two thumbscrews provided and tighten To operate fill the cylindrical cell with the clear solvent that 1s to be used as a blank for standardization Then slide the lever of the cell holder out to open the space for the cell Insert the cell into the holder and gently release the lever until the cell 1s held securely in place Standardize the instrument in TTRAN mode using the blank to set the top of scale Remove the solvent from the cell and replace it with the sample liquid Return the cell to the holder and measure the sample Introduction to Your ColorQuest XT System 2 11 ColorQuest XT User s Manual Version 1 7 Cylindrical Cell Holder This option provides a holder for 27 mm to 30 mm OD cylindrical sample tubes at the instrument transmission port This holder may be used for measurement of transparent liquids in cylindrical glass tubes with 20 mL 40 mL or 60 mL volumes not sold by HunterLab Ball detent screw Complete the following steps to install and use the tube holder 1 Place the tube holder in the transmission compartment orienting the holder so that the slotted portion of the base faces away from the sphere with the flat side at the sphere The open viewing hole in the holder must be centered over the hole in the sphere
83. r ColorQuest XT system Year Month Day are shown at the top of the screen with Hour Min Sec shown at the bottom Raise the number of any of the fields by touching the right half of the field and lower the number of the field by touching the left half of the field Then touch OK to reset the date and time or Cancel to return to the old system time Password Touch the Password button to obtain a screen on which you can change the system password The default system password when the instrument is shipped from the factory is HUNTERLAB in all capital letters OLD PASSWORD L npo ee rm Ea EA ead el Es ed oe PAT Ir TORO es amp BS ES E Ed Q A m First enter the old password and then touch OK If your system is brand new type HUNTERLAB and touch OK since that is the default system password Maintenance and Testing 7 15 ColorQuest XT User s Manual Version 1 7 HEW F SWORD _ T WEE SiD SH mm es rm Ge Q A Tl Enter the new password a second time and touch OK The password is then changed from the old to the new Setup The setup features are password protected meaning that when you touch the Setup button you will need to enter the system password as discussed above PASSWORDS _ L US BS ES EE Ed O Backl1iaht Always OH 4 Layout AUS Sei Format If you wish to begin running a specific Applet automatically whenever the ColorQuest XT is turned on
84. r as the top of the screen prompts you Touch OK to move on after each entry Ea Tp pm qn J lt m ee rm n 2 ad fo Es ed oe N Ead ras ml EE I TORO LE US BS ES i Ed E D Tl 10 8 Measurement Values ColorQuest XT User s Manual Version 1 7 When you touch OK after entering the Beta factor the measurement screen then shows ASTM Color indicating that the ASTM Color factors have been optimized Measure ASTM Color as you ordinarily would A transmission cell with 33 mm path length is required for this metric The sensor should be standardized in either transmission mode using a clear liquid as a blank For more information on this index see ASTM Method D6045 which provides the instrumental correlation to the ASTM D1500 index CMC The equation for AEcmc describes an ellipsoidal volume with axes in the direction of lightness and chroma and hue centered about a standard When the semi axis lengths for the AEcmc formula equal the calculated ISL cSC and SH values for the standard the resulting ellipsoid describes a 1 0 AEcmc unit volume tolerance This volume and the size of its component parts become the basis for the establishment of an appropriately sized volume of acceptability for a given commercial situation by the application of a commercial factor cf The cf 1s the AEcmc tolerance When 1 2 0 and c 1 6 the equation fixes the ratio of the three components SL SC SH to correlate with visible as
85. r e EFI m 10 Remove the standard from the transmission compartment and replace it with the sample Again you may use air or water for purposes of this lesson if you wish 11 Touch the Read button again to measure the sample The sample values obtained will be displayed on your screen and will likely be different than those shown on the example below Note that the L a b and YI values for the sample are filled in below Sample at the bottom of the screen and the APHA value for the sample 1s shown in large numerals at the top of the screen P 0 20 HH ASTH D53Bb STANDARD A l DELTA A l PRINT MN CLEAR E Sz mr nmi o E E E SAH T h B B Tal et Lal n Lu Lu Lu mam m mm Eu e e mo Lessons 5 7 ColorQuest XT User s Manual Version 1 7 12 We would like to see the delta values for L a b and YI Touch the sample measurement values to change them to delta values mo Lum ID area STANDARD A l DELTA H i FRIHT T 4 En C CE PC a J a ee FT A mor mi o E j E c a a a ae mi ee ees Tal e Lal n a a a a est Eis Tal n gn 13 Next let s assign a sample ID Touch the ID area at the top of the screen A keypad appears WATER_ Es i ba J om Cm a e TI NiD lt m Ee rm Ea 2 Fa jj med E C E Cm EE Ir Ojo or pujco PSEUD 14 Type an ID on the keypad In our example Water was chosen When you finish typing touch
86. reading either touch the Read button on the touch screen or press the Macro Read button on the body of the ColorQuest XT The sample will be read and its absorbance versus wavelength plot displayed OLUTE r AE Operation 4 11 ColorQuest XT User s Manual Version 1 7 If you wish this measurement to be stored as the standard touch the M button to store it The M button changes to an M indicating that a standard has been stored This standard will be available whenever this applet is used until you clear it using the Clear button Touch Read or the Macro Read button again to read a sample The sample will be read and its absorbance versus wavelength plot displayed Touch the Absolute label to toggle between the absolute plot of the sample and standard data and a difference plot of the sample versus the standard Li La zz al m AES Pee Pee eee eee Leet ete eee eee eee eee Absolute plot Difference plot Touch any wavelength on the plot to show the sample standard and delta absorbance for that wavelength S indicates the sample M indicates the standard and D indicates the delta or difference data ABSOREAMCE IL 000 H HHH D HHH SOLUTE i I Press the miniature table icon to show the actual absorbance values To go back to the plot screen press the miniature plot at the bottom right of this screen Use the up and down arrow buttons to scroll upward and downward through the
87. s where f EBC dilution factor default 1 0 Ta43onm measured transmittance value 96 at 430 nm and Turbidity free if 1 27 lo Dion lt 0 039 1 27 log T else turbid y 810 100 210 44301m where T700 nm Measured transmittance value 96 at 700 nm EBC values are reported in C 2 regardless of the illuminant and observer selected 10 10 Measurement Values ColorQuest XT User s Manual Version 1 7 Gardner D6166 10 mm The Gardner index is a proprietary yellowness index based upon a correlation between the ASTM YI E313 and Gardner Color The Gardner index 1s designed for transmission measurements of samples such as resins that are darker yellow or browner than those samples that would be measured with the APHA index Samples should be measured using a 10 mm path length transmission cell The D6166 index conforms to ASTM Method D6166 Saybolt The Saybolt index is calculated as described below These calculations adjust the spectral data to account for use of a 50 mm sample cell rather than a 100 mm cell so spectral data must be available for this type of calculation Saybolt 51 1 EE log AE 2 55 where AE 100 L a b L is the L value for the sample calculated for C 2 conditions a 1s the a value for the sample calculated for C 2 conditions b is the b value for the sample calculated for C 2 conditions The implied standard for the AE calculation is the top of s
88. s all that 1s required If repair is required HunterLab offers two means of servicing Instrument may be returned to a HunterLab service facility for repair or a HunterLab Service Department technician can come to your location to perform on site repair For schedule and terms for on site repairs by trained service technicians call HunterLab Technical Support Please read When You Need Assistance prior to contacting HunterLab The customer is responsible for incoming and outgoing freight charges for instruments being returned to HunterLab for all repairs including warranty repairs 9 4 Instrument Replacement Repair Problems and Questions ColorQuest XT User s Manual Version 1 7 When You Need Assistance When you have a problem with an instrument or software or need technical advice concerning a specific application you may contact HunterLab for assistance In order to help us help you please have the following information available prior to telephoning HunterLab 1 The type of sensor you need assistance with ColorQuest XT 2 The serial number of the instrument found on a plaque inside the transmission compartment and on the back of the touch screen 3 The type of applet you are using APHA for example 4 The specific nature of the problem including the exact error message received or results of the appropriate diagnostic test 5 The steps performed prior to the start of the problem 6 Steps already perform
89. s described later in this chapter Applicable equations are given below ASBC 10 1 27 log Tso am where T430 nm measured transmittance value 96 at 430 nm and T Turbidity free if 1 27 log Tem lt 0 039 1 27 log Tysoam else turbid where T700 nm Measured transmittance value at 700 nm ASBC values are reported in C 2 regardless of the illuminant and observer selected ASTM Color The ASTM color scale is calculated as described below ASTM 0 25 0 8695 AX AY AZ where AX log 98 074 AY log 100 000 if Z gt 0 01 AZ log 118 232 if Z lt 0 01 AZ log uu 118 232 X is the X tristimulus value for the sample calculated for C 2 conditions Y is the Y tristimulus value for the sample calculated for C 2 conditions Measurement Values 10 7 ColorQuest XT User s Manual Version 1 7 Z 1s the Z tristimulus value for the sample calculated for C 2 conditions When the ASTM Color function is optimized the following equation is used ASTM a B AX AY AZ where X Y and Z are as above a is the intercept correction constant entered by the user p is the slope correction constant entered by the user To enter your own constants touch the ASTM Color title at the top of the screen The following screen appears T E T ME Wu m NJIDIOI Ea Tp pm IN Omi lt m Ee rm Ea 2 Tl Use the keypad to enter each facto
90. s inside the instrument transmission compartment and fasten the cell holder to the instrument with the two thumb screws Be sure that the screws are snug and that the cell holder is held securely in place To operate the flow through cell assembly l 2 3 4 Standardize the instrument The flow through cell should be filled with distilled water or another clear solvent to set the top of scale Inject the sample to be measured into the cell Proceed with sample measurement Drain the sample from the cell The flow through transmission cell may need to be cleaned periodically Use a glass cleaner on the exterior of the cell and distilled water pumped through the cell for the interior 2 10 Introduction to Your ColorQuest XT System ColorQuest XT User s Manual Version 1 7 Holder for Small Volume Transmission Cells and 10 mm Small Volume Transmission Cells This option provides a holder for a cylindrical small volume transmission cell Each cell is shipped with two caps one that is solid and screws on and one that is threaded and covered with injectable Teflon The cell has an outside diameter of 28 mm an inside diameter of 25 mm and a 10 mm path length The cell and holder together are used for total transmission measurements of small quantities of liquids Sliding lever i1 To install the holder position it so that the holes in its base are down toward the floor of the transmission compartment and the cut
91. sessment of typical textile samples Other values of may be required in cases where the surface characteristics change dramatically The value of c is always left at 1 0 When AEcmc is shown in an applet you may touch the I c area to change the l c ratio Y x Va x V AEcmc a BC S Absolute ISL cSC SH where L C and H are those of the standard unless otherwise specified CMC ratio l c commercial factor cf K gg 0040975LL ETE 1 0 01765L SL 0 511 for L 16 K ORE ee 4 6638 1 0 0131C SH FT 1 F SC C 4a b Measurement Values 10 9 ColorQuest XT User s Manual Version 1 7 b c h arctan es a E d AL L smp L stp AC C sup C stp AH 4AE AL A C VC 1900 T 0 36 10 4 cos 35 h l for h 164 or h 345 T 0 56 10 2 cos 168 h l for 164 h 345 For a more detailed description of CMC refer to Calculation of Small Color Differences for Acceptability AATCC Test Method 173 1992 published in the AATCC Technical Manual EBC 10 mm The European Brewing Chemists EBC scale is used in the measurement of color of beer malt worts caramel solutions and similarly colored liquids The range of this scale 1s 2 to 27 units with yellower pale worts at the low end and redder dark worts beers and caramels at the upper end A 10 mm path length cell should be used for these measurements EBC values are calculated as follows EBC 25f logu
92. sical C Daracferi 065 6o OU Eo rere PEE nS Or revo ENS PR POVEE NER coves EE 8 1 Environmental Reguiremeis 55veiereteiatet uo Mesue Eu tts Mee ieee der ta eae 8 1 POWER ANG Ewniliinum M S 8 2 Conditions of Illumination and Viewing eee ecce eee eee e e eee eee eese eee s e eee ee eese e sess sse eee e seco 8 3 Instrument P rfornidn6e ii i eit p p EE EE ERIS ER EFEEEDU TIAE a aaraa eR 8 4 Res latoEV INOLICO 5 oui RETO ER RITIENE BINE ED NNI MINIM 8 5 INSTRUMENT REPLACEMENT REPAIR PROBLEMS AND QUESTIONS 9 1 WNT eT D HH 9 1 Shipping Claims 5 dunno a een nie DEED Pei NIMM 9 2 B Raya ous or Damna REDEEM 9 2 vlt MT M P E EP 9 2 Incorrect shiptrie BE si scissa iod Re soa a M T widen pl Uto Feses ba ulpa UAU Dd 9 3 Retr TIS e HG 9 4 When You Need ASSISLANCE 5s eee eeu aaea Do FUN X UNIO ET ER E ORA DN FRI CREE POUR VIE 9 5 MEASUREMENE VALUES 6555 et D ER epe EE EPI EU NE DNI 10 1 Color Scales and Related Color Difference Scales eee eee e eee e eee ee eene eene 10 1 CIE Tristim lus XAYZ Saleresna oo to cuia eite a p loe uan eile exe e iia 10 1 CIE Chromaticity Coordinates Y V cocteiornn it tedde a a edtiit tures a a atus 10 1 Opponent Color Scales Hunter Lab CIE 1976 L a b and CIEL C h eeeeesssss 10 2 THOICOS itera Dre VI VE SII i err T E AEE T E O ED QUE 10 6 T Uo TO PAIN O NP me 10
93. sion Size 3 POINTS 3 POINTS V1 22 ABSORBANCE ABSORBANCE 1 31 v1 61 VITI ES v1 22 v1 21 W151 SAYBOLT v1 61 TRANSMITTAN _V1 31 Load Unload Archive Restore Delete CQx1019 V2 50 05 0214 The Launch Pad side of the screen indicates those applets currently in your instrument s loaded memory The Archive side shows the applets available in your instrument s archives The status bar at the bottom of the screen indicates your sensor serial number and firmware version In the Launch Pad area you may click Load to add a new applet from your computer to your instrument s loaded memory and archive or to update an existing applet When Load is clicked select ColorQuest XT as shown in the first screen below then the second screen below appears 2 Applet Manager V1 60 Instruments Launch Pad Archive Name Version Size 3 POINTS 3 POINTS V1 22 ABSDRBANCE ABSORBANCE 1 31 VLEI VITI V161 v1 22 W121 V151 V161 TRANSMITTAN _V1 31 i ies Archive Restore Delete ColorQuest XE ColorQuest XT CQx1019 V2 50 05 0214 Applet Programming A 5 ColorQuest XT User s Manual Version 1 7 Load Applet i Ix Look in E SciiptMar EN d Boe E Files of type HunterLab Sensor Script hls Cancel The files listed are the applets you have available on your computer for loading Select the one you want to load If you have been given an applet on diskette by HunterLab or have
94. sories and options that may accompany the instrument The Installation chapter provides specific instructions on setting up the instrument The Operation chapter describes how to standardize the instrument load the desired applet and then take readings The Lessons chapter provides four examples of instrument operation that can be used for practice The Color Measurement Notes chapter gives guidelines on measuring different types of samples using the ColorQuest XT The Maintenance and Testing chapter explains the maintenance that needs to be performed on the instrument and its standards and describes the available diagnostics The Specifications chapter provides the various instrumental specifications How the User s Manual is Organized 1 1 ColorQuest XT User s Manual Version 1 7 Instrument Replacement Repair Problems and Questions outlines your instrument warranty and how to get technical support and or service for your instrument Measurement Values explains the various color scales and indices that are available with this instrument The three appendices explain how you can program your own applets and use the applet manager software and provide a glossary and bibliographical references 1 2 How the User s Manual is Organized ColorQuest XT User s Manual Version 1 7 CHAPTER TWO Introduction to Your ColorQuest XT System The ColorQuest XT is a dual beam xenon flash sp
95. sson you may simply measure air or water if you wish 8 Touch the Read button to measure the standard The values obtained will be displayed on your screen and will likely be different than those shown in the example below If you measured air or pure water L should be near 100 00 and all other values should be near zero ID SAMPLE STANDARD L 180 03 a 60 06 b 0 00 AE FEINT em D CLEAR 8102 9 Touch the M button to save this reading as the standard DeSean Gi 10 Remove the standard from the transmission compartment and replace it with the sample Again you may use air or water for purposes of this lesson 1f you wish 11 Touch the Read button again to measure the sample The absolute values obtained will be displayed on your screen and will likely be different than those shown in the example below ID SAMPLE STANDARD L 180 053 100 03 a 0 01 06 00 Deseo Gi b 0 01 0 AE FEINT em enn CLEAR svoz apu 12 Touch the sample measurement values to change them from absolute values to delta ones 5 4 Lessons ColorQuest XT User s Manual Version 1 7 ELT DB5 in xz IL SAHFLE STANDARD AL 0 00 100 03 Ag 0 01 60 00 Ab 8 801 0 00 PRINT em erst CLEAR stoz um 13 At this point you may either copy down your sample and standard values or touch the Print button to print them A sample printout for a color applet screen is shown below 4 A ERAT 08 21 2001 14297805 ICHA C E
96. sults to be used for future comparison if you wish by touching the Save button and entering the system password The results should ideally be saved when you first set up your instrument and confirm that it is working properly and then whenever you obtain a new didymium filter The next time the wavelength test is run your display will show the current values for this test as compared to the stored values 7 14 Maintenance and Testing ColorQuest XT User s Manual Version 1 7 Wavelength Test PASS TEHHZHITTHHhHCE p indicates the photometric error since the test values were last stored is the wavelength misalignment since the test values were last stored If p is greater than 0 1 or is greater than 1 0 the instrument fails the test and you should check the following 1 Cleanliness of the didymium filter Check the filter for fingerprints dust and other contaminants If necessary clean the didymium filter as described in the Maintenance chapter of this manual and begin the wavelength check again 2 Measurement error Ensure that you are measuring in regular transmittance After checking the above if the instrument still does not read the didymium filter as specified contact HunterLab Technical Support for assistance Please read When You Need Assistance page 9 6 prior to telephoning HunterLab Touch OK to exit the wavelength test Clock When you touch the Clock button you can set the date and time for you
97. the foot switch by plugging it into the round connector on the left end of the ColorQuest XT External Serial Printer The external serial printer connects to the port labeled PRN on the ColorQuest XT s touch screen and prints the measurement data when the Print area of the touch screen is pressed The serial printer sold by HunterLab is a dot matrix printer that operates at 9600 baud The communications cable supplied with the printer must be used to connect the printer to the ColorQuest XT More information on the serial printer 1s provided in its separate User s Manual Transmission Clamp The optional transmission clamp holds transparent film or sheets in position for regular or total transmission measurements For measurements in Regular Transmission 1 Position the transmission clamp so that the curved opening is aligned at the lens port located in the left end of the transmission compartment The inner curvature of the clamp should align with the outer curvature of the lens Introduction to Your ColorQuest XT System 2 5 ColorQuest XT User s Manual Version 1 7 When properly aligned the holes in the bottom of the clamp assembly will align with holes in the floor of the transmission compartment Place a washer and one 1 4 20 7 8 inch screw in each of the holes and tighten by turning the screw clockwise You may finger tighten the screws or you may use the Allen wrench that is included with the transmission cl
98. tified HunterLab ISO 9001 Certified HunterLab ISO 9001 Certified HunterLab ISO 9001 Certified HunterLab ISO 9001 Certified HunterLab ISO 9001 Certified ColorQuest XT User s Manual version 1 7 ColorQuest XT User s Manual version 1 7 ColorQuest XT User s Manual version 1 7 ColorQuest XT User s Manual version 1 7 ColorQuest XT User s Manual version 1 7 ColorQuest XT User s Manual version 1 7
99. til the Select an Applet screen is reached Touch Absorbance to go to the default measurement screen for absorbance You may need to use one of the arrow keys to find the applet in the list If Absorbance is not available on this screen first load it using the instructions given in Lesson 1 If the empty full screen version of the spectral absorbance plot is not shown touch the miniature plot at the bottom right of the screen to go to it AESOREANMCE PRINT CLEAR ii Place your standard at either the transmission port for TTRAN measurements or the lens for RTRAN measurements For purposes of this lesson you may simply measure air or water if you wish Touch the Read button to read the standard Its absolute spectral plot will be shown ABSOREAMCE OLUTE t Ln a T Press M to save this reading as the standard Remove the standard from the transmission compartment and replace it with the sample Again you may use air or water for purposes of this lesson if you wish Touch the Read button to read the sample The delta plot of the absorbance difference between the standard and the sample is shown 5 10 Lessons ColorQuest XT User s Manual Version 1 7 ABSOREAMCE PRIHT MIN CLEAR iii E sz E 9 Press the Delta label to change the plot to an absolute one 0 6 u HEZDRKERBHCE CLEAR ili af sz E 10 Touch any area on the absorbance plot The wavelength you chose and the standard sample
100. ts are included with your ColorQuest XT system by default e 3 Points of spectral data e Absorbance e ADMI e APHA e ASBC EBC e ASTM Color e Color e Diagnostics e Gardner e Saybolt e Transmittance Personalized applets may also be special ordered from HunterLab or created using the built in applet language and a text editor EasyMatch QC Software EasyMatch QC is a 32 bit Windows based computer program that performs numerical calculations on data measured by the ColorQuest XT stores sample measurements and provides graphical representations of data The ColorQuest XT may be directly controlled by the software as long as all applets are exited Instructions for using EasyMatch QC are provided in its separate User s Manual 2 18 Introduction to Your ColorQuest XT System ColorQuest XT User s Manual Version 1 7 CHAPTER THREE Installation Installation of the ColorQuest XT System The following instructions guide you through the initial installation of your ColorQuest XT system 1 Unpack all cartons and remove wrappings and cable ties Inspect for damage and notify the carrier and HunterLab immediately if any is discovered Save the packing material in case it becomes necessary to return the instrument to the factory 2 Place the main body of the instrument on a flat working surface where the measurements will be made If you are using the optional printer place it in close proximity to the sensor preferably
101. ttering Transmission Process by which incident light is transmitted through an object Transparency The property of a material by which a negligible portion of the transmitted light undergoes scattering Uniform Color Scale A color scale or color solid in which the differences between points correspond to the perceptual visual differences between the colors represented by these points Wavelength The distance measured along the line of propagation between two points that are in phase or on adjacent waves Wavelength distribution determines the color of light Wavelengths of visible light range from about 380 to about 780 nm Glossary B 5 ColorQuest XT User s Manual Version 1 7 APPENDIX C References Berns Roy S Billmeyer and Saltzman s Principles of Color Technology New York John Wiley amp Sons 2000 Evans Ralph M An Introduction to Color New York Wiley 1948 Evans Ralph M The Perception of Color New York Wiley 1974 Francis F J and Clydesdale F M Food Colorimetry Theory and Application Westport AVI Publishing Co Inc 1975 Hardy Arthur C Handbook of Colorimetry Cambridge The Technology Press 1936 Hunter Richard S and Harold Richard W The Measurement of Appearance New York Wiley 1987 Judd Deane B and Wyszecki Gunter Color in Business Science and Industry New York Wiley 1975 Kelly Kenneth L and Judd Deane B The ISCC NBS Method of Designating Colors and a
102. tton initiates a sample measurement and acts as the OK button when the screen shows a standardization prompt Power On Light The Power On light remains steadily lit while the instrument is plugged in and turned on Closing the transmission compartment door while making measurements is the best practice for this instrument For more information see the note in the Standardizing section of the Operation chapter 2 2 Introduction to Your ColorQuest XT System ColorQuest XT User s Manual Version 1 7 Accessories The following accessories are provided with the ColorQuest XT system and can be found in the standards case e Black card device placed in the transmission compartment during standardization e Didymium filter screwed into the lens as a check for wavelength accuracy e Fuses two 3 amp fuses are provided as spares e ens brush e RS 232 communications cable e Power cord e Applet manager software program for loading applets into the touch screen memory This program is described in detail in Appendix A e Diagnostics software CD Introduction to Your ColorQuest XT System 2 3 ColorQuest XT User s Manual Version 1 7 Options and Sample Devices There are many options and devices available for positioning samples at the measurement port of the ColorQuest XT and for making the instrument easier to use Any or all of the following options and sample devices may be purchased for use with your ColorQuest XT Hu
103. yed m P H Bs iH 054386 STANDARD _ DELTA PRINT rH Enr 2TAHDARC wo ii C UO Cm Do oT a a m rr d EG oEBSSRSe mmi a m H3 or E If you wish this measurement to be stored as the standard touch the M button to store it The M button changes to an M indicating that a standard has been stored and the measurement values move to the standard column This standard will be available whenever this applet is used until you clear it using the Clear button iU HH ID HZTH OS386 zTHhHHBHDREL iv WEN LT I a TT r nm ml kA m m rcm m c rm n a a a usn bi E a a mom rf P 1 m m ru a a a m HI om m rr ug EG oEBAA OoERBS mie f ME a Touch the Read button on the touch screen again or press the Macro Read button on the body of the ColorQuest XT to read a sample The sample will be read and its absolute tristimulus values and index data displayed The value for the main index of interest APHA in this example will also be shown in large numerals at the top of the screen A P H a iH 054386 TANDARD Illuminant Bis observer a E Index Sample measurement values ZTA k im zi n E p SE mie Wm a a 1 m HI om m c m rcu c m c Touch the sample measurement values to toggle between absolute color values and difference values from the standard Touch the color scale title to toggle through the available color scales and touch the index title
104. zed at least once every eight hours Also standardize the instrument with environmental such as temperature changes Then you may proceed with sample measurement Operation 4 3 ColorQuest XT User s Manual Version 1 7 Standardization Modes Two modes of measurement are available when you standardize the instrument e TTRAN Total Transmittance e RTRAN Regular Transmittance The instrument can be standardized at any time by entering the applet of interest and then touching the Stdz button When the instrument is to be used for transmission measurements of liquids a clear liquid distilled water for water based samples toluene or benzene for resins or mineral oil for oils in a transmission cell of the desired size should be used to set the top of the scale Place the cell in the transmission compartment as close to the sphere as possible for measuring total transmittance Place it as close to the lens as possible when measuring regular transmittance Standardizing on the cell blank for TTRAN mode te La When you re measuring solid samples such as film or glass you may use air no sample for setting the top of the scale 4 4 Operation ColorQuest XT User s Manual Version 1 7 Instructions Standardize the instrument as follows l Move to the Select an Applet screen by touching the Exit Close or Return button depending on the current screen From the Select an Applet screen touch the name of

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