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TC2000 Manual 26.06.02.indd

1. Page 22 3 7 3 7 1 TC2000 user s manual Pre calibration cleaning of well and insert If necessary clean the temperature well interior and insert interior and exterior before use A dirty or oxidized surface can affect the transfer of heat between the well and the insert and may also cause the insert to stick in the well and be difficult to remove DANGER e O EYE PROTECTION REQUIRED HERE WARNING Use eye protection if you are using compressed air to blow debris out of the temperature well or insert openings to avoid eye injury Procedure for cleaning the interior of the temperature well and insert 1 Insert dry white paper and turn it so as to remove all dust dirt or smudges from the interior of the temperature well to ensure optimal heat trensfer to the temperature sensor 2 If necessary use compressed air to blow debris from the interior of the temperature well and insert A small vacuum hose can be used to extract debris 3 If necessary use a cloth with mild soap and water to remove exessive contamination Alcohol may also be used for this purpose 4 Use a rod with a small piece of cloth attached to it e g gun cleaning kit 5 When using liquid cleaners ensure that the well insert and probe is completely dry before placing the insert to the well Page 23 3 7 2 3 7 3 TC2000 user s manual Procedure for cleaning the exterior of the insert 1 Insert dry white pap
2. Table 2 Sensor conection 3 Test sensor Other Pt1i00 420mA V Fe NEXT for menu SELECT for options Internal TC2000 Keypad number for menu Repeat Pti00 external ret keypad number for o aptio CON previous menu POWER C OFF to quit a a a E Tc2000 09 September 1999 Pt100 COMODA AAA for the Reference sensor Ch A 2 wire 3 wire Connect two same color leads to pin 2 and 5 Connect the other same color leads to pin 3 and 8 Strap between pin 1 and 8 PR al D Page 27 TC2000 user s manual 4 4 3 Reference correction TC2000 O09 September 1999 20 36 If you have selected an external sensor BEEG as the reference sensor its correction 1 Reference sensor mtemai MEZEI values can be placed into the sensor correction table Sensor correction will show the value as None internal sensor or no correction data Keypad mumbar tor menu Rapant Tabi oe ec va and Table sensor correction data The default selection is None 3 Test sensor Other Pt100 420mA V Tel previous menu Eanan OFF ts quit ta a SELECT CONTINUE Reference sensors that have calibration data values which have been determined during a calibration can be placed ina table to allow correction of the reference sensor so that the result will be that the reference sensor works in true temperature 10 00 zion 0 00 atkeypad t 20 00 data tag m 50 00 nter L 100 00 7 o exit
3. Each calibration set may consist of up to 20 calibration temperatures Up to 10 calibration sets may be programmed Each set is identified with a tag number Press continue to enter the configuration menu for your calibration set Select the configuration you want for your calibration set See chapter 4 4 on sensor configuration Note the calibration set tag no is displayed in the top left corner of the screen Press continue to enter Calibration Points menu Up to 20 different calibration point temperatures can be set using the numeric keypad The temperature range is from 20 C to 150 C Press continue to start the automatic calibration mode TC2000 user s manual T2000 09 April 2002 11 22 PV 30 Main Menu 1 Manual calibration 2 3 View stored calibrations 4 System information 5 Settings UP DOWN and Automatic calibration Set up to 1 ENTER or Keypad calibration sets with up to 20 pointst number selects calibrate automatically menu item a a 11011 09 April 2002 14 38 f Calibration Sets No Tag number Select the Calibrat pr Set you want to u 1 ECAR Atkeypad type Ta 2 number and ENTE 3 to set 4 5 UP DOWN for position 6 GO BACK to return t 7 revious Menu 8 CONTINUE to 9 proceed to next ste 10 11011 09 April 2002 12 04 Configuration E 1 Reference sensor 2 Sensor correction NEXT for menu SELECT for options Other other
4. 8 Pull the temperature sensor s out of the insert 9 Attach the extractor tool to the insert and pull the insert out of the temperature well 10 Switch power OFF 11 Allow the unit to attain temperature below 70 C before stowing accessories Page 21 3 6 TC2000 user s manual Defaults values It is possible to change some of the parameter values displayed in the menus Default set temperature 25 C not changeable Default temperatre units C Default reference sensor Internal sensor located in the TC2000 well Default stabilization time 17 minutes Default stabilization AT 0 2 C Information is given in chapter s 4 4 4 5 and 4 6 on how to alter some of these parameters The following data is defined during manufacturing and cannot be cannot be changed during its operation Serial number TC2000 Well Firmw version TC2000 Well Serial number TC2000 SIM Firmw version TC2000 SIM On completion of a calibration the TCCal software will add the following data Calibration date TC2000 Well Next calibration date TC2000 Well Calibration date TC2000 SIM Next calibration date TC2000 SIM TC2000 OS September 1999 20 50 PV 30 00 fniormaton TC2000 Yell TC2000 SIM hast Seral number Firmware version Calibration date Next calibration date 430 C rel amb Temperature range to 150 C Tek Know TC2000 Manufactured by Scan Sense tHe SCAINISCNSE Ih
5. You can use 3 Test sensor to select the type of sensor to be tested and to obtain information for connecting it to Channel B The default selection is Pt100 To make a selection Use the NEXT softkey to move to 3 Test sensor The selected cell 3 Test sensor is inverted Press SELECT softkey to change your options 1 Pt100 selection Select Pt100 using ee _ 203 m 2407 SELECT softkey and press CONFIG are RT a softkey to obtain Channel B connection 2 wire information DEA In CONFIG use the UP or DOWN softkeys to select the wiring for Connect bo zame ostor tendr to pin 2 and obtaining the connection information Stsptesmenpm ranae enS for the Pt100 Press the OK softkey T a when finished Then press CONTINUE softkey in Configuration to start manual calibration 09 September 1999 20 37 4 20 mA Confi ITAKA 2 4 20 mA selection Select 4 20mA using SELECT softkey and press CONFIG softkey to obtain Channel B connection information In CONFIG use the UP or DOWN softkeys to define the miliamphere to temperature information from the 4 20 mA sensor and the wiring connection information for the 4 20 mA Press OK when finished Then press CONTINUE softkey in Configuration to start manual calibration 20 00 20 00 150 00 UP DOWN and LEFT RIGHT for position At k mpag type va data and Enter C to cancel and for minu t M MENU to save POWER OFF to quit Use 24V
6. Accuracy Calibration cert no INTERMEDIATE INSTRUMENT Temperature Calibrator Tek Know TC2000 Sensor Interface Module Scan Sense AS SIM serial no i henhold til input valg i henhold til input valg Input Ch B OTHER Sensor Manufacturer Serial number Temperature range Calibration cert no REFERENCE INSTRUMENT TC2000 Internal Reference Scan Sense AS 1072 0 18 F S Air temperature Air humidity CALIBRATION ENVIRONMENT 22C 70 Date calibrated Company Calibrated by CALIBRATION STATUS 9 Jan 02 14 02 ScanSense AS Certified by Page 37 4 10 Software upgrade utillity In order to be able to upgrade the application a program called TC2000 Upgrade Utillity must be run on a PC and the TC20000 must be connected to the PC through the serial port In the start up proceedure of the calibrator select Firmware upgrade when the Task manger appears on the screen This will set up the calibrator so that it can receive a new application software from the PC The transfere time and staus will be displayed on the PC TC2000 Upgrade Utillity program Use a standard TC serial cable for transfere After the transfere is complete the calibrator will automatically install the software internal and go to the Main Menu TC2000 user s manual E Tek Know TC2000 Upgrade Utility TC2000 Upgrade Utility r Firmware Image File fwi Ic Program Fil
7. Do not press 5 Settings ENTER when using a number from a eea the numeric keypad SMM Ic sticna manu to denne impaltar speed 2 graphio display zoom A aad a o The selected menu line is inverted The VGA LCD display will show Information regarding interaction controls and the available menus NOTE The TC2000 uses the defined configuration values until they are changed Therefor it is important to ensure that the values are cor rectly defined before starting a calibration When power is swiched on default opening screens will show until the calibrator has booted and the main menu screen in visible Page 25 4 3 Manual Calibration Select choice 1 Manual calibration to enter the manual calibration mode the Configuration menu will then be displayed This will enable you to configure your reference sensor and the type of sensor to be tested See chapter on Configuration for more details on how to configure and select a sensor Press Continue to enter into the manual calibration mode The set point temperature can either be set using the numerical keypad enter or using the softkeys The softkeys will give setpoint increments of 10 C Pressing the MAIN MENU softkey will take you back to the main menu Selecting the OPTIONS softkey in the manual calibration mode will allow you to Set the temperature resolution in the graphical display using the ZOOM IN and ZOOM OUT softkeys Toggle between the
8. MAIN MEN 0 00 save POWEF 0 00 to quit 0 00 0 00 Tag number 0 00 123456 JP OW LEFT RIGHT 1 Use NEXT softkey to move to 2 Sensor correction The selected cell 2 Sensor correction will be inverted 2 Press SELECT softkey to change your options 3 Press the CONFIG softkey and use the UP or DOWN and LEFT RIGHT softkeys to define the correction information and tag number for the Pt100 Press EXIT when finished The correction values that are placed in the correction table are normally produced during calibration of the sensor For example when a sensor reads 21 0 temperature Read value the display shows the correct value as 20 0 True value Read value is what the sensor is reading True value is what it should be reading 4 Press EXIT to return to the 3 Sensor correction menu 5 Move to another item in the menu by pressing NEXT or press MAIN MENU to save your changes When the Sensor correction table for the Pt100 is selected it will Page 28 TC2000 user s manual always be used whenever the Pt100 is defined as the reference sensor for this configuration until you change the configuration NOTE t is very important to remember which reference sensor is being used and whether or not you need to use the sensor correction table If you are using the internal temperature reference return to 2 Reference sensor select INTERNAL and OK Page 29 TC2000 user s manual 4 4 4 Test sensor
9. by as much as 0 5 C to 1 C As a general rule the effect of cold or heat loss is minimal if the length of the part of the sensor that is exposed is less than lt 1 4 of its length We recommend that the exposed part of the sensore be insulated Further we recommend the use of glass wool for insulation because although there are different types of insulating materials available the material of choice must have good insulating characteristics and be able to withstand extreme operating temperatures It must also be flexible enough to be tucked around the sensor hence the choice of glass wool Also bear in mind that drafts can affect the stability of the calibrator Please contact ScanSense for further information material Page 43 6 Specifications TEMPERATURE RANGE Temperature range Accuracy Resolution Gradients at 95 C w water Stability 30 min after normal stabilisation As a dry block As a stirred liquid bath As a Stirred ice bath Uncertainty best Well depth Well diameter Bath volume Thermostat test Serial interface Power supply Operating temp Dimensions Weight TC2000 user s manual 40 C to 150 C 0 3 C 0 01 C 0 06 C Rel ambient 0 02 C 0 005 C 0 001 C lt 0 03 C depending on ext ref 155mm 50mm 261cm yes RS232 110V 90 130V 50 60Hz 230V 180 250V 50 60HZ 0 to 40 C 406x254x356 mm 15 5 kg without inserts 7 Electrical specificat
10. graphic and the numeric displays Define the speed of the liquid insert impeller in of full speed 0 to 100 in steps of 1 Default values are Set temperature 25 C Swich test OPEN Impeller speed Graphical resolution OFF 0 2 C horizontal line TC2000 user s manual TC2000 O09 September 1999 20 35 PV 25 07 Main Menu 1 BREE orci il eleciiteys 2 Automatic calibration 3 View stored calibrations 4 System information 5 Settings UP DOWN and Manual calibration Set the temperature ENTER or Keypad run the calibration select graph number selects numerio display view the calibrato menu item Options menu to define impeller speed a graphio display zoom pown ENTER Reference sensor 2 Sensor correction NEXT for menu SELECT for options Intermal TC200 Keypad number tor menu Repeat Pt100 external ret keypad number for options C for CONFIG vious menu POWER OFF to quit CONTINUE Tce200 09 September 1999 20 44 20 42 ER 20 45 43 20 40 Reference sensor Test sensor Internal 30 01 C Spee gt i 29 5 c Set temp 30 00 C Switch Open impatto OFF OPTIONS MAIN MENU Fo2000 09 September 1999 20 46 Test Channel B o TC type K a Cc Reference sensor Internal C Set temperature Switch test Impeller 30 00 c Open 50 a DOWN L OPTIONS MAIN MENU Page 26 4 4 4 4 1 4 4 2 Configuration
11. measurement comprises testing and stamping by responsible calibration authorities in accordance with calibration directives This validation testing ensures that the measuring instrument meets the demands made on its characteristic data and its maesuring technology properties more especially it determines whether the measurement deviation contributions re within the error limit s Stamping or marking the instrument documents that it has fulfilled these requirements at the time of testing and declares that the condition of the measuring instrument is expected to remain within the tolerance range until the date for revalidation provided it is handled in accordance with the rules of technology Laws regulate which measuring instruments are subject to mandatory validation and which instruments are not The importance of a traceable standard A treceable standard is a procedure by which the measurand indicated by a measuring instrument or a material measurement is compared with a national standard In each level of standard the deviation in measurement has been determined beforehand by calibration to a higher evel standard This gives a calibration hieratchy as shown in Figure 2 Calibration hierarchy Correct positioning of the probe in the temperature block The block in the TC2000 Temperature Calibrator can be used as either a source of heat or cold or as a thermometer reference In other words the sensor can be placed into
12. output and mA input terminals to connect a pa transmitter Use mA input and GND terminals to connect a active transmitter Page 30 TC2000 user s manual O09 September 1999 20 37 3 Volt selection Select V using I P28 SELECT softkey and press CONFIG ee softkey to obtain Channel B connection jug 0 00 information connection information 1 00 1000 00 In CONFIG use the UP or DOWN softkeys to define the voltage to temperature information from the Volt sensor and the wiring connection information for the Voltage snesor Press OK when finished peoos pa Ler unic SHT f pi sition At keypad type wa da nd Ener C to ela or minus OKt MENG G s v Ra ee hag quit Use pin 3 V and pin 4 Gnd voltage input SS A 4 Thermocouple selection Select TC using SELECT softkey and press r CONFIG softkey to obtain Channel B re yuhaeconacted oh a Thermocouple Configuration a lata In Thermocouple Configuration Type Type R select the type of thermocouple using OA the UP or DOWN softkeys Press OK Type N softkey when finished CO N A a i 5 Other sensor selection Select OTHER using SELECT softkey then press CONTINUE softkey to start the maual calibration mode without using any of the inputs on channel B Other selection is used when the test sensor is connected to external instrumentation Page 31 4 5 4 6 TC2000 user s manual 09 September 1999 20 50 System informatio
13. speed Used with Liquid filled insert to set the impeller operation for stirring the liquid The impeller value can only be changed from the keypad Values are 0 or off to 100 in 1 increments The speed slowly cycles at 1 minute intervals from 0 to the defined value in 10 increments 10 increase every 2 5 seconds For example a 40 cycle will attain full speed 40 in 4 seconds and run for 1 minute then repeat the cycle GRAPHIC changes the menu toa graphic view Page 20 TC2000 user s manual Calibration mode numerial Test sensor Date and time Calibration mode Temperature Menu for setting the measured by the temperature to run a sensor being tested calibration and the impeller speed Reference sensor Temperature measured by the external reference sensor Impeller Switch test Impeller Used with liquid filled Set the temperature 5 Open 70 inserts to set the using the UP or UP Ov OPTIONS MAIN MENU impeller operation DOWN softkeys or for stirring the liquid keypad ake Indicates temperature is stable Switch test OPTIONS indicates NO or NC to show when the switch s Use to define impeller input changes state from open to closed or speed or select the graphic closed to open display Shows open when no switch is connected Finishing the calibration 7 When finished adjust temperature to ambient and allow the temperature well to cool to temperature below 70 C
14. the temperature block and its reading compared to the reading on the TC2000 display or it can be compared with the reading from an external thermometer Page 40 5 5 TC2000 user s manual How the sensor is placed in the insert is of crucial importance to obtaining accurate calibration measurements Regardless of what type of reference is used i e internal or external it is crucial that the sensor and the reference be at an equal distance when placed into the calibrator s insert For example immersing a 2 inch sensor assembly into a 6 inch well could yield an error up to 10 C This error is inherent in all dry well calibrators ty SENSOR TO BE TESTED NOTE INCORRECT WAY DOING CALIBRATION INTERNAL REF SENSOR Calibrating a short stem probe We recommend the use of a comparison technique when calibrating a short stem probe Do not compare the test reading to the dry block display it will not give you the best results It is more accurate to use a reference probe of similar size and diameter Size and diameter greatly affect the amount of heat lost to ambient through the probe stem Therefore the closer the sizes match the more accurate the comparison Your objective should be to achieve identical heat properties inside the block to ensure that both sensors are sensing the same temperatures in the same way Any deviation will cause further error Therefore for a satisfactory result we recommend that you immers
15. this using the numerical keypad on the TC2000 The calibrator will then continue to the next set point temperature Enter Test Sensor value wath keypad press ENTER and select CONTINUE To cancel input of all Test Sensor values press IGNORE Test Sensor value TE EEN E 11011 09 April 2002 13 25 At any time during the semi automatic calibration Calibration View the Calibration View menu can be activated o a 1 1500 15 00 15 14 to show the progress in the calibration OOo oO After the last set point temperature is stable and Calibration FISHA a entry has been made the Calibration Finished set Ret Tea Se menu will be displaed Ee 00 010 from here you have the choise to dump the calibration data to an other computer via RS232 or send a calibration report to a serial printer 4 9 Calibration report Printing date 23 Jan 02 14 51 TEMPERATURE CALIBRATION REPORT TC2000 user s manual Page 1 of 1 Type of instrument Model Manufacturer Serial number Tag Id Number Temperature range Output signal Accuracy INSTRUMENT SENSOR CALIBRATED Temp node Proto ScanSense AS 01 74 0 150 C 0 10 V 0 5 No Set point 1 28 00 C 2 30 00 C CALIBRATION POINTS Ref value Test value Deviation Date time 28 00 C 29 24 C 1 24 C 30 00 C 31 06 C 1 06 C 9 Apr 02 14 02 9 Apr 02 14 19 Type of instrument Model Manufacturer Serial number Temperature range
16. user s manual CAUTION s used when a procedure may cause damage to equipment or affect operation WARNING s used when a procedure may cause personal injury to the reader or other persons A SYMBOL USED AS A WARNING TO DENOTE A HAZARD WARNING C CONFORMIT EUROP ENNE l GROUND OR EARTH Terms and definitions The term insert is interchangable with insert adapter as an equipment identifier for the 2 inch diameter 6 inch long aluminum insert pleced into the temperature well We define calibration as being able to compare the ability of the equipment to perform to a known standard Temperature calibration provides a means of quantifying uncertainties in temperature measurement in order to optimize sensor and or system accuracy LCD is a term meaning a quarter 1 4 VGA LCD screen CARE is a memory jogger to ensure best results and safe use of the equipment Connect only to the correct power voltage frequency read the label in the case Always clean the temperature well and insert before use and always remove the insert from the temperature well before moving or tran sporting the TC2000 Replace worm connection cables only with approved connection cables Earthed or grounded power sources only should be used Page 6 1 4 TC2000 user s manual Introduction to dry block calibrators Dry block calibration units provide the reliable heat or cold source needed to verify the accuracy o
17. 000 user s manual Preparation Unpacking and inspection Inspect the packing container for any sign of damage If the shipping cartong is damaged contact the carrier shipper Remove the unit from its packing container and inspect it for visible signs of damage Check that the equipment received matches the inventory Report ny discrepancies to Scan Sense AS s designated agent Record any discrepancies from the inventory and or visible damage to the unit see Figure 3 TC2000 orientation and location of items Items supplied with the unit The cables insert etc that are used with the TC2000 are located in compartments within the unit The TC2000 Parts List identifies each by part name and part number TC2000 PARTS LIST DESCRIPTION OF ITEM 1 OF EACH ITEM GLASS WOOL 1 PACK TOOL EXTRACTOR CABLE MAINSPOWER 100 VAC DETERMINE TYPE REQUIRED JAPAN CABLE MAINSPOWER 110 VAC DETERMINE TYPE REQUIRED USA CABLE MAINSPOWER 230 VAC DETERMINE TYPE REQUIRED EUR CABLE MAINSPOWER 230 VAC DETERMINE TYPE REQUIRED UK CABLE TEST 1 SET USER S MANUAL CALIBRATION CERTIFICATE RS232 CABLE CONNECTOR KIT Page 8 TC2000 user s manual Aluminum inserts Dry Well Liquid filled option Insert aluminum of 2 x 6 or 50 mm x 150 mm diameter and lenght with 2 holes of 6 5 mm bore 2 holes of 3 5 mm bore 2 holes of 4 5 mm bore 1 hole of 8 mm bore 1 hol
18. 105 81 ohm 4 wire 109 AUTO 15 00 C Switch Open Impeller 50 ABORT 11011 09 April 2002 14 38 Calibration View EE 11011 09 April 2002 14 37 Calibration Finished Set Ref Test Set Ref 15 00 15 00 15 14 25 00 25 00 24 85 35 00 35 00 34 49 45 00 45 00 44 81 20 00 20 00 20 25 1 2 3 4 5 MAIN MENU MENU REE Page 34 4 8 Semi Automatic calibration Select choice 2 Automatic calibration to enter the automatic calibration mode the Calibration Sets menu will then be displayed This will enable you to set up your calibrator to perform an automatic calibration task Each calibration set may consist of up to 20 calibration temperatures Up to 10 calibration sets may be programmed Each set is identified with a tag number Press continue to enter the configuration menu for your calibration set Select the configuration you want for your reference sensor See chapter 4 4 on sensor configuration For test sensor select Other to enter the Semi Automatic Mode Press continue to enter Calibration Points menu Up to 20 different calibration point temperatures can be set using the numeric keypad The temperature range is from 20 C to 150 C TC2000 user s manual Tc2000 09 April 2002 11 22 PV 30 Main Menu 1 Manual calibration 2 3 View stored calibrations 4 System information 5 Settings UP DOWN and Automatic calibration Set
19. 2e2oGeeneetececieec csc cece twanetere satuetranseieueanceebaiaesdiencaiedeasedetacserou 26 4 4 COnN U eo eers E E R EE E E EE 27 4 4 1 Reference seonsor selection ccccceeccceeececeeeceeseeseeseecesseeceeseeeesseeeesseneeees 27 4 4 2 Reference sensor configuration ccccceeceecceeeceeccesseecceeseeccauaeeessseneesesaaes 27 4 4 3 Reference correction cccceececseseeceeeeecceececceeceeseeeeeceueeeseueeseeeeessaeessaeesaaes 28 4 4 4 DESE e T EA E E TT E TT 30 TC2000 user s manual System information cee ccc ceecccceecceceeceeceeceeceeeeseaeeeeeseeeeseaeeeseaeeesegeeeseeseesens 32 NN See escort ere ce teste pee E E E erated eet tee E EAT 32 Automatic calibration secaceessctte es ctca lt tbdnccctacceenecetcvnsveenateseastieadcceaceduedesveceeeieieeeee 33 Semi automatic calibration 20 20 cece cess ecceeeeeceeeeeceseeceeeeeseeeesseeeeseeeeesaaees 35 Calibration report cs Sasceed ccc ecerecc tnt cere sice st poees es gaseecestoctencebadeateenctteedebeseddece 37 Software upgrade utility cccccsseececcsseeccecceeeeecceeeeeecsusececseeseeessueeeessageeees 38 Technical tipS srecsaecoaredassenutnevsaasapaeciaenssycarisunstdavastavaneriqassdedessaeetnedaacenatteanteaaas 39 General information regarding accurate dry block calibrations 6 39 The importance of testing instrument validation cccccceeeceeeeeeeeaeeeeeaees 40 The importance of a traceable Standard cc
20. Important input connection information to remember Channel A is the connector for the external Reference sensor Channel B is the connector for the sensor to be tested Test sensor Reference sensor selection The NEXT softkey will allow you to navigate and change each setting by stepping up or down in the menu Use the SELECT softkey to select the available settings Select 1 Internal to use the calibrators internal reference sensor In the manual calibration mode window the reference sensor will be labeled with nternal Select 1 Pt100 to use an external reference sensor Then press CONFIG to setup the external reference sensor Reference sensor configuration The external reference sensor can be configured as either a 2 3 or 4 wire sensor Use the UP and Down softkeys to select the appropriate configuration Please note that in each configuration the sensor will be terminated differently to the 8 pin connector See advisory text giving pin connections TC2000 user s manual 222 OD April 2002 14 39 Configuration Internal ptt100 1 Reference sensor 2 Sensor correction B Test sensor Other Pt100 420mA V T NEXT for menu SELECT for options Others other senso Keypad number for menu Repeat Pei keypad number for options for ype previous menu POWER OFF to quit ONFIG TITTEN m Tc2000 09 September 1999 20 35 Configuration x internal Pt100
21. USER S MANUAL TC2000 PORTABLE TEMPERATURE CALIBRATOR A universal stable and accurate temperature well for calibrating and verifying temperature sensors Manual revisjon June 2002 Copyrighted 2002 Page 1 TC2000 user s manual Thank you for purchasing a Tek Know temperature calibrator The Tek Know products are manufactured by Scan Sense AS in accordance with our high quality standards in design choice of components and workmanship in order to achieve maximum customer satisfaction and to fulfil our vision to be our customers First Choice The TC2000 is designed and manufactured by Scan Sense AS Tel 47 33 36 30 00 Bekkeveien 163 Fax 47 33 36 31 80 N 3173 Vear www scansense no NORWAY post scansense no Scan Sense AS reserves the right to make improvments or alterations to our products without incurring any responsibility to make the same improvments or alterations to products previously sold SCAN SENSE AS All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form by any means electronic mechanical photocopying recording or otherwise without the prior permission of Scan Sense AS All efforts have been made to ensure the accuracy of this handbook We at Scan Sense are always striving to improve our products and handbooks therefore we would greatly appreciate being informed of any errors found in our product or in its manual The ab
22. asanecasecddoncaasaeeuseneecseass 14 3 1 7 Sensor COMM CU seca tecict gece sence Greco eae eeise etic eles ance sesasaetetaceeeaseanebenssectsaeerees 14 3 2 Sensor positioning connection and calibration accuracy cccseseeeeeeee ees 15 3 3 Procedure to run calibration ens tesossasenec cerendente eee cienternclssiendivesdettedebSiaedeesebaete 16 3 4 Procedure to run a liquid bath Calibration cccccseecseeceseeceeeeseeeesseeenes 17 3 4 1 Calibrating a thermostat ccccccccsssseecesseeeceeeesecssaeeecsseeeeesseseessenseeeseas 18 3 4 2 Calibrating A ols 6 aaa eee ne ee eee ne eee eee 18 3 5 Finish the calibration sa cca on dtiewoneve deaceteveusdictegtaudteenttsacntecedetheMnuaceneneetedcGund aoe 21 3 6 Defaults 0 21 Seen ee eee ee ee eee 22 oer Pre calibration cleaning of well and insert ccccseeeeeeeeeeeeeeeaeeeeeeeeeeeeeeas 23 3 7 1 Procedure for cleaning the interior of the temperature well and insert 23 3 7 2 Procedure for cleaning the exterior of the insert c ccceeceeeeeeeeeeeeeeeeeenes 24 Od Instructions for handling Liquid filled Insert cceecceesseeeeeeeeeeeeeeeeeeeeeeaes 24 4 Operational menus controls ANd indicators ecccecceceeeeeeeeeeeeeeeeeeteeeenenes 25 4 1 BUG OU ase etd che sige Saale beled teens ie aes Senne oak be ehetnes eae genlend cone eases mncceeeeee 25 4 2 PUVA N a 1E E E A E E E E E E A E E I 25 4 3 Manual Calibration Ss n
23. c scale and the impeller speed Reference sensor Temperature measured by the external reference sensor Set temp Set the temperature using the UP or DOWN softkeys or keypad Switch indicates when the switch s input changes state NC or NO from open to closed or closed to open Shows open when no switch is connected TC2000 user s manual Temperature unit and range displayed Set temperature line to the nearest whole Time line Test sensor Temperature measured by the sensor being tested Impeller Used with liquid filled inserts to set Indicates the impeller temperature is operation for stable stirring the liquid OPTIONS Use to define degree scale impeller speed or select numeric display Calibration mode Date and time graphic display OPTIONS menu OPTIONS is used to define the scale of the display and the speed of the impeller Zoom level Defines the graphic display scale Use the softkeys ZOOM IN or ZOOM OUT to select the value The example shows 5 C for each horizontal line Zoom settings are 1 2 5 and 10 degrees per horizontal line ga emperature T unit and range displayed et temperature line to the nearest whole degree Time line NUMERICAL changes the menu to a numerical view Impeller speed Keypad only Used with Liquid filled insert to set the impeller operation for stirring the liquid The impeller value can only be changed fr
24. carefully when extracting a Liquid filled Insert because the liquid in the insert will be hot and may cause burns to any skin surfaces in contact with it CAUTION Care should be taken to avoid spillover into the temperature well when using Liquid filled Inserts Use only recommended oil liquids to fill the insert Do not use glass wool with Liquid filled Insert ey tenn Page 13 3 1 4 Numeric keypad The numeric keypad is used for entering data into the menus It can also be used instead of the UP or DOWN softkeys when setting temperatures Power on off The power cable connection and the power ON or OFF control is provided by a swich and plug connector RS232 communication The RS232 serial communication port is used to connect the TC2000 to a PC during re calibration and for remote operation when calibrating a sensor Sensor connection Different types of sensors can be connected for testing Channel A is for the external reference sensor Channel B is for the sensor under test test sensor TC2000 user s manual a 209920 0339704 Page 14 3 2 TC2000 user s manual Sensor positioning connection and calibration accuracy The calibrator well is always the source for heat or cold for the sensor However it is possible to connect the sensor such that the calibrator is the reference and the temperature reading is shown at the QVGA display or the sensor can be connected to an externa
25. ccceecceeeeeeeeeceeeeceeeeseeeeneeeeens 40 Correct positioning of the probe in the temperature block ccccceeeees 40 Calibrating a Short SteM probe ccccseccecccesseeecceseeecceusececseeseeesaeeseesssseees 41 Using the calibrator as a reference when adjusting measuring devices meters GAUGES amoena iii diera aieiai 42 The Time Constant influence on temperature well MASS cccceeeeeeeee eee 42 When to take the calibration reading sissi sissies denidierdwosstisaniicetaweiasinisieerietenans 42 The importance of cleanliness to attain high accuracy results c008 43 Insulating with glass wool to minimize cold heat loss to surrounding air 43 SPSCHICANONS ccascascanasersuptadensnnesstradsencets tondsuriidesiensvesdshideinssenthonateexaptenecneectens 44 Electrical specifications pessareccttvecotdadananednrntceeeesoetedncuteaceraddedid bactsandtteenetenadincad 44 Page 4 1 1 1 1 2 1 3 TC2000 user s manual Introduction Cerification Scan Sense AS certifies that the TC2000 complies with its published list of specifications at the time it was manufactured Scan Sense AS also certifies that its calibration measurements are traceable to Norwegian Accreditation and to the calibration facilities of other International Standards Organization ISO members Scan Sense AS confirms that the TC2000 complies with the following standards EMC EN61326 1 1997 A1 1998 APPA immunity test
26. e of 10 mm bore and 1 hole of 12 mm bore OPTIONAL ITEMS Liquid filled Insert aluminium of 2 x 6 or 50 mm x 150 mm diameter and lenght with pop off cap and impeller at bottom Insert aluminum blank of 2 x 6 or 50 mm x 150 mm diameter and lenght Oil to use with the Liquid filled Insert CAUTION Care should be taken to avoid spillover into the temperature well when using Liquid filled Inserts Use only recommended oil liquids to fill the insert Do not use glass wool with the Liquid filled Insert Page 9 TC2000 user s manual Ta Extractor E 4 tool 4 f fh t Inputs for A reference sensor Cable mains power sensor to be tested Test sensor and communication Test cables RS232 8 A n i B o g amp l E Aluminium inserts Dry well Liquid option Figure 3 TC2000 Orientation and location of items 2 3 Input power connection The required power is either 110 VAC or 230 VAC 50 60 Hz Always connect the power cable supplied with your unit to a grounded or earthed power outlet Page 10 3 3 1 TC2000 user s manual Getting started This section contains a description of the TC2000 operator control and connection points to help you get started quickly The section also provides instructions for pre calibration cleaning of the well and inserts essential to the process and step by step guidance for performing a calibration Operation controls and conn
27. e the reference probe and the test probe both of which should be identical in size into their bore holes in the insert to exact same depth Our new Liquid filled Insert eliminates this problem and can be used to calibrate short probes of any length using the probe s internal sensor as the reference Page 41 5 6 5 7 5 8 TC2000 user s manual Using the calibrator as a reference when adjustin measuring devices meter qauges EXTERNAL The temperature calibrator can REF SENSOR also be used as a calibrated reference when adjusting SENSOR TO measuring devices such as BE TESTED meters or gaughes Using a multi hole insert allows multiple meters gauges to be adjusted at the same temperature INTERNAL REF SENSOR NOTE RECOMMENDED CALIBRATION OF SHORT STEM PROBES The Time Constant influence on temperature well mass The sensor being tested has a large time constant due to larger mass and longer distance to the cooling heating elements Consequently the temperature l Block temperature curve for the internal reference sensor and the sensor being Test sensor tested center of insert will be temperature different see Figure 3 Temperature reference rawing to be used All Scan Sense temperature Time calibrators have an internal reference sensor mounted in Figure 3 Temperature reference the temperature block to react quickly to temperature changes and thus reduce the resulting time cons
28. ections Very little operator interaction is required to begin calibration The main operator interaction is via units softkeys or keypad and LCD display or via a local PC or other remote computer Communication with the PC is via the unit s RS232 serial port connector To begin a calibration you must Fit the insert into the well Place the sensor s into the well and use glass wool to insulate the sensor Power on the unit ON Connect the sensor leads in Channel B Configure the sensor to be tested Set the temperature using the TC2000 s LCD display softkeys or numeric keypad amp QVGA display o amp Controls for softkeys Operation controls and connections communication Page lI TC2000 user s manual 3 1 1 Software startup When switching on the calibrator the first screen that is shown is a startup display while the internal computer loads the operating system Windows CE 2 12 A Tast manager program will apear after the CE 2 12 is loaded The task manager gives two choises 1 Calibration which is default or 2 Firmware upgrade Choise 1 calibration is the normal start and will automatically be selected after 10 sec of the Task manager appearing Choise 2 is used when a new software or modification upgrade is to be entered into the CE computer See seperate section for upgrade After choise 1 Calibration is selected either by pressing enter when 1 is
29. er and rub so as to remowe all dust dirt or smudges from the exterior surface of the insert to ensure optimal heat or cold transfer from the temperature well 2 Wipe clean with a clean dry lint free cloth Instructions for handling Liquid filled Insert Only use clean oil water or other liquids that have been authorized for use in the Liquid filled Insert CAUTION Care should be taken to avoid spillover into the temperature well when using Liqued filled Inserts Use only recommended oillliguids to fill the insert Do not use glass wool when using Liquid filled Inserts WARNING Handle carefully when extracting a Liqued filled Insert because the liquid in the insert will be hot and cause burns to any skin surfaces in contact with it Page 24 4 4 1 4 2 TC2000 user s manual Operational menus controls and indicators Introduction The TC2000 is highly automated and requires minimal operator interaction during a calibration Normally you are only required to set the temperature necessary for the calibration and to configure the sensor to be tested Main Menu The Main Menu contains sub menus to main available functions Menu entries are listed with a unique number To select Main Menu functions Press the UP or DOWN softkey eena EUL SE dth the ENTER softk A deseeae rae eae i or 2 Automatic calibration 3 View stored calibrations Select the function number on Ree Som information the numeric keypad
30. er to get the best circulation in the liquid and thereby avoiding gradients it s of great importance to select the correct impeller speed For example circulated water at too high speed will produce air bubbles and turbulence which could lead to gradients in the liquid Gradients may also occur if the circulation is too low The amount of sensors to be tested at the same time in the liquid insert will also have a significant impact on the circulation As a general rule start with the following values if you are testing a single sensor Water 15 and up depending on amount of sensors Viscosity in the range 0 to 98 C is almost the same Oil 50 and up depending on amount of sensors and temperature range since the viscosity changes a lot over the range 40 to 150 C Page 17 3 4 1 3 4 2 TC2000 user s manual 6 TIPS You will get an extreme stability typically 0 001 C and accuracy as a stirred ice bath 0 C Just set the impeller speed to 100 and set point to 3 C and wait for the freezing point to come Calibrating a thermostat Use the test cables to connect the thermostat to Channel B according to the wiring information provided in the units QVGA display Use the UP or DOWN softkeys to define the temperature then watch for the display indicator to show if the switch is closed or open Calibrating a sensor Use the numeric keypad or UP or DOWN softkeys to define the temperature The displayed Reference se
31. es TC2000_UU TC2000_ 1 21 31 fwi Firmware app TC2000 Firmware version 1 21 31 Firmware date 30 Jan 2002 Encoding type 01 Hex Copyright 2002 Scan Sense AS Communication settings Communication port attached to TC2000 COM1 Firmware version of TC2000 in unit N A r Upgrade status Estimated total transfer time N A Estimated time remaining N A Open file Initiate TC2000 Firmware Upgrade TC2000 File Manager v1 1 19 Please stand by for upgrade Page 38 5 5 1 TC2000 user s manual Technical tips We define calibration as being able to compare the ability of the equipment to perform to a known standard Temperature calibration provides a means of quantifying uncertainties in temperature measurement in order to optimize sensor and or system accuracy This chapter provides general informative information about dry block calibration and tips hints to help you obtain accurate calibrations with the TC2000 dry block calibrator Dry block calibration is recommended for calibrating industrial sensors such as RTD Resistive Temperature Device thermocouples thermistors bi metal thermostats or liquid in glass thermometers etc because the dry block provides the reliable heat or cold source needed to verify the accuracy of these devicec The dry block calibrator offers a combination of accuracy portability and price for industrial calibration app
32. f industrial sensors such as RTDs thermocouples thermostats bi metal thermometers or liquid in glass thermostats The TC2000 is designed to provide all the advantages offered by dry well temperature calibrators Convenience of size weight speed portability temperature range stability and software interaction via RS232 communication port It is also designed to be user friendly The TC2000 has a numeric keypad or softkey controls for setting the well temperature Menus are used to define other data for the TC2000 The display shows the defined Set temperature and the resulting Reference temperature for the well temperature Connection points at Channel A and B allow a variety of sensor hook ups and an RS232 connection for local PC or remote computer The dry well in the calibrator is heat or cold source and a reference thermometer That is the thermometer or sensor to be tested is placed in the well and its reading is compared to the reading of the temperature in the calibrator s display The calibrator s display shows both the defined temperature as set by the operator and the actual temperature that is measured by the internal reference sensor in the well Figure 1 Dryblockschematics 105 66C SENSOR TO BE TESTED EXTERNAL REF PELTIER ELEMENTS HEATING BLOCK CALIBRATOR DISPLAY INTERNAL REF IUS UOC J rer 05 G08 J ser COMPARISON Page 7 2 2 1 2 2 TC2
33. highlighted or by default the computer will load the TC2000 application software This will take a couple of miniutes and the status wil be shown at the lower part of the screen viewing a countdown Agere AD proceedure After loading is complete 1 the main menu screen will be displayed e anon and the calibrator is ready for calibration 4 System information tasks 5 Settings 7 wail F UP DOWN and Manual calibration Set the temperature ENTER or Keypad tun the calibration select graphic or number selects numeric display view the calibration menu item Options menu to define impeller speed a graphio display zoom ed a a o Page 12 3 1 2 3 1 3 TC2000 user s manual LCD display The menus and softkey controls and information you need to define para meters during a calibration are displyed in the unit s LCD 1 4VGA display Well and insert The well is an aluminum block with a reference sensor placed at its base The well heats or cools to the temperature you set The insert has holes bored to accommodate most sensors The insert is aluminum and is precision turned to fit the well opening An extractor tool is provided to remove the insert from the well IMPORTANT The calibrator is calibrated with the external reference sensor being insulated with supplied insulation material to acheive the same result use insulation round the sensor undergoing test or calibration WARNING Handle
34. ions INPUTS PORT A RANGE Pt100 2 3 and 4 wire 50 to 800 C Inputs Port B Pt100 2 3 and 4 wire 50 to 800 C Type K 100 to 1370 C Typr J 200 to 1200 C Type E 200 to 1000 C Type T 200 to 400 C Type S O to 1760 C Type R O to 1760 C Type B 400to 1820 C Type N 200 to 1300 C Type L Voltage 0 to 10V Current 0 to 22mA Cold junction 0 to 40 C Pt100 conforms to IEC751 and temperature scalev of ITS 90 All thermocouple inputs are cold junction compensated RES ACCURACY of readin 0 01 C 0 05 C 0 009 0 01 C 0 05 C 0 009 0 1 C 0 25 C 0 03 0 1 C 0 25 C 0 03 0 1 C 0 25 C 0 04 0 1 C 0 25 C 0 03 0 1 C 0 25 C 0 03 0 1 C 0 25 C 0 03 0 1 C 0 25 C 0 03 0 1 C 0 25 C 0 05 1uV 0 25 C 0 02 14A 2uV 0 02 0 1 C 2uA 0 25 TC input temperature drift 90ppm Will in addition indicate negative inputs but these are not calibrated Published specifications may change without notice V and mA input temperature drift 27ppm Page 44
35. l measurement device for the readnig You must place the sensor and the reference sensor as close to each other as possible to ensure an accurant reading regardless of what reference and connections you use To make the calculation accurate when the sensors are placed at some distance from each other you can use a previously determined offset value to define the correction factor you need to adjust for the difference in distance between sensors External ref Sensor to be Vote External ref at same level _ Internal ref Page 15 3 3 TC2000 user s manual Procedure to run calibration 10 11 12 13 14 15 To obtain the best temperature transfer clean the temperature well and insert before each use Instructions are provided in section 3 7 Select the insert to be used and lower it into the temperature well Lower the temperature sensor into the insert Use glass wool if it is necessary to close off the top of the insert to prevent heat or cold loss Glass wool is not to be used in liquid inserts Power ON the TC2000 The opening menu will appear If necessary refere to the chapter 4 Operation menus controls and indicators Connect the temperature sensor to your indicating instrument Select 2 Configuration to select the type of sensor to be tested On the Configuration menu select 4 Test Sensor On the Configuration menu select the CONFIG softkey to obtain wiring info
36. lications Most dry well calibrators will produce a calibration accuracy of better than 0 5 C For comparison of sensors in a dry well s temperature block hole to hole uniformity is typically 0 05 C These uncertainties are well matched to the typical uncertainties of industrial temperature sensors General information regarding accurate dry block calibrations The dry block in the calibrator is often used as heat cooling source and a reference thermometer i e the thermometer or sensor to be tested is placed in the block and its reading is compared to the reading of the temperature in the dry block calibrator s display The calibrator s display shows both the defined temperature as set by the operator and the actual temperature that is measured by the block s internal sensor To ensure an accurat calibration always observe the following when using this type of calibration Ensure the internal reference sensor and the sensor being tested or calbrated is positioned close togehter in the insert To do otherwise will mean you can only guess the accuracy of the temperature shown at the display Ensure that display accuracy includes traceable calibration report with the dry block calibrator Use accurate reference thermometer during your calibrations Page 39 5 2 5 3 5 4 TC2000 user s manual The importance of testing instrument validation Validation of measuring instrument as well as material
37. n TC2000 Well TC2000 SIM 40 am to 1 40 C rel amb 50 C 50 C to 1200 The TC2000 contains the Serial number following data that you cannot Sse version Calibration date alter during operation of the unit Next calibration date Temperature range Tek Know TC2000 Manufactured by Scan Sense Mite scan SCSRNSENSE In Serial number TC2000 Well TC2000 SIM Firmware version TC2000 Well TC2000 SIM Calibiration date TC2000 Well TC2000 SIM Temperature range TC2000 Well TC2000 SIM On completion of a re calibration of TC2000 the TCCal software will add the following data Next calibration TC2000 Well TC2000 SIM Settings By highlighting either of the sections can be set Temperature unit C F K Keypad beep ON OFF Stabilization time 0 to 1hour Stabilization span 0 to 20 C Date and time can be set TC2000 09 September 1999 20 50 PV 3 Settings i DDMMYYYY HHMMSS UP DOWN for position SELECT to toggle Atkeypad type value as specified behind input field Enter to set C to ca OK to exit to MAIN MENU and save POWER OFF to quit Oate Time changes will show on top of soreen SELECT Page 32 4 7 Automatic calibration Select choice 2 Automatic calibration to enter the automatic calibration mode the Calibration Sets menu will then be displayed This will enable you to set up your calibrator to perform an automatic calibration task
38. nsor temperature the temperature measured at the center of the temperature well will increase to the set value When the Reference sensor temperature has been stable at 0 2 C for at least 17 minutes default a will appear in the display to indicate that you can take the reading If you require a new setting Change the tempterature to the new value and wait for the in the display to indicate that you can take the reading Calibration mode graphical Calibration mode Menu for setting the temperature to run a calibration define the graphic scale and the impeller speed Set temperature line Time line Reference sensor Temperature measured by the external reference sensor Set temp Set the temperature using the UP or DOWN softkeys or keypad Switch Indicates temperature is stable ffemperature unit and range displayed Set temperature line to the nearest whole degree Time line Test sensor Temperature measured by the sensor being tested Impeller Used with liquid filled inserts to set the impeller operation for stirring the liquid indicates when the switch s input changes state NC or NO from open to closed or closed to open Shows open when no switch is connected OPTIONS Use to define degree scale impeller speed or select numeric display Page 18 Calibration mode Menu for setting the temperature to run a calibration define the graphi
39. om the keypad Values are 0 or off to 100 in 1 increments The speed slowly cycles at 1 minute intervals from 0 to the defined value in 10 increments 10 increase every 2 5 seconds For example a 40 cycle will attain full speed 40 in 4 seconds and run for 1 minute then repeat the cycle Page 19 Test sensor Temperature measured by the sensor being tested TC200 Pilot sensor Channel B Reference sensor Temperature measured by the external reference sensor N Reference Set the temperature using the UP or DOWN softkeys or keypad Indicates temperature is stable OPTIONS Use to define impeller speed or select the graphic display Calibration mode numeric display OPTIONS menu Test sensor Temperature measured by sensor under test OPTIONS is used to define the speed of the impeller Reference sensor Temperature measured by the external reference sensor Impeller speed Keypad only 23 Mareh 2000 16 31 TC2000 user s manual Calibration mode Menu for setting the temperature to run a calibration and the 7 is impeller speed 4 20mA a r C 9 303 mA Impeller Used with liquid filled inserts to setthe impeller operation for stirring the liquid Impeller 7 Switch test indicates NO or NC to show when the switch s input changes state from open to closed or closed to open Shows open when no switch is connected Date and time Impeller
40. ove notwithstanding Scan Sense can assume no responsibility for any errors in this handbook or of their consequenses Page 2 TC2000 user s manual Contents 1 WANN QIU ON oo 3548 cscs et oes E E 5 1 1 CANINA eire e E rE 5 1 2 A a E A E E E E E A 5 1 3 Conventions used in this document cccceeccceeeeeeceeeeeceeceeceeeeseaeesseeeseaes 5 1 4 Introduction to dry block calibrators tess ncuiiisensvnncsnsneineatomvicancusincheasaneasensidanenss 7 2 ProD AO cee Se sseseecectsese ace E A T 8 2 1 Unpacking and inspection ccccceeccceeeceeeeceeeceueeceeeceneecaeeeseessueessusesentess 8 2 2 Items supplied with the unti cic cise ciesesrosdoncscnnasdeseccstecsadnesnctecentiedecsrsaneesatacaecseig 8 2 3 Input power connection seeseneseerrenrereorrrrrrrrrrsrrrerrsnrrsnrrnnrsnernnernrernernree 10 3 Getting started seision ieia aieka a apina biii 11 3 1 Operation controls and connections cccccecicaceceneiacseavecetecccccwees mesdastedousiessmnceesee 11 3 1 1 Sotware StartUD see ee in e EEEE E nee ee ene ene 12 31 2 L DO ON e e E eee eee eee 13 3 1 3 Well and insert coarse cncchscececccntcecateeceadsdendecehonesbinctacnecociduocndaniadenctanasiadesedeestateads 13 Si INUIMICNICK G02 Gees ciesaccnsr crac sncdantistalotssantcanniasiuanavaetgenuondimareiounaaneenescmeaatianseiean 14 21 9 P OwGron OM sesepi e ere ne eee Ree eee ene er ems 14 3 1 6 RS232 COMMUNICA NOUN sicecceeteosconae cencncroetoneeeaeeinsesrenadesu
41. requirements for equipment intended for use in industrial locations as amended by EC Directive 9 2 31 Eec and the European Low Voltage Directive IEC 61010 1 90 A1 92 A2 95 amended by 93 68 EEC To ensure compliance please use screened shielded serial communication leads RS232 Warranty This product is guaranteed free from defects in material and workmanship for one 1 year from the date of shipment During this warranty period Scan Sense AS will as its option either repair or replace the TC2000 should it prove defective The product must be returned to a service facility designated by Scan sense AS for warranty service or repair see our worldwide adress file http www scansense no The foregoing warranty will not apply to defects resulting from improper or inadequate maintenance by the purchaser purchaser supplied software or interfacing unauthorized modification or misuse operation exceeding the environmental specifications for the TC2000 or improper site preparation or maintenance No other warranty is expressed or implied by Scan Sense AS and Scan Sense AS shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory Conventions used in this document We have provided this section of the User s Manual to help you identify noteworthy symbols terms and conventions used in this manual Look for the following Page 5 TC2000
42. rmation for Channel B If you are using an external reference sensor select 2 Reference sensor Select the CONFIG softkey to obtain wiring information for Channel A refernse sensor If you are using sensor correction values select 3 Sensor correction and Table Select the CONFIG softkey to define the Read value True value and tag identifier in the table The default temperature setpoint is 25 Celcius C If you want the temperature denored in F or K see the Settings menu Press the MAIN MENU softkey to exit the Configuration menu and save the new data Select 1 Calibration mode and use the UP or DOWN softkeys to define the temperature Page 16 TC2000 user s manual 3 4 Procedure to run a liquid bath calibration 1 Follow 1 15 in chapter 3 3 2 Choose the right liquid for the temperature range Water 0 C to 98 C Oil 40 C to 150 C DANGER _ EYE PROTECTION 7D REQUIRED HERE NOTE Insulation pad has to be used at the top of the insert during the calibration WARNING Use eye protection if you are using oil or water above 70 C to avoide eye injury caused by splashing oil or water bubbles WARNING Be sure that you are using oil liquid which is approved for the temperature range that you are working at 3 Select 1 Calibration mode to select the Impeller speed 4 On the Calibration menu select OPTIONS and use the numeric keys to set the impeller speed in 5 Impeller speed In ord
43. sensor Keypad number for menu Repeat PHOOs MALVITC keypad number for options C for type previous menu POWER OFF to quit CONFIG for wiring oh 8 CONTINUE 11011 09 April 2002 12 06 f Calibration Points UP DOWN for 1 15 00 11 position 2 25 00 12 At keypad type valu 3 35 00 13 data and Enter 4 45 00 14 cancel and for minu Setasing 5 20 00 15 minus to skip cu 6 PESEL 16 point and foaward 7 17 BACK for pre 8 18 men 9 19 en 10 20 SS CT TT Page 33 When the automatic calibration has started the sensor temperatures will be displayed in a graphical screen the calibration will continue automatically through every set point temperature that was Set in the Calibration Set At any stage in the calibration process one can define to simulate at stable state in order to force the TC2000 to make a measurement and proceed to the next set point temperature Pressing View List in the soft key menu displays the calibration set points that have alredy been performed After the last calibration set point temperature has been completed the Calibration finished menu will show In this menu there are options for dumping the calibration data to a computer or printing a calibration report to a serial printer See section for serial port setup TC2000 user s manual 11011 09 April 2002 12 13 RA i 203 r 12 10 12 12 12 14 2 Reference sensor Test sensor nay Int j Channel B TA O0 c ee 24 87
44. tant When to take the calibration reading With the TC2000 when the REF temperature that is the temperature at the center of the well has been stable 0 2 C for at east 10 minutes default value the display will show the message Temperature stable take reading Some temperature overshoot will occur when approaching the SET temperature However this only applies to the internal reference sensor The sensor being tested has Page 42 5 9 5 10 TC2000 user s manual a larger mass bacause of the insert so it reacts more slowly to temperature changes see Figure 3 Temperature reference The importance of cleanliness to attain high accuracy results The ability of any dry block calibrator to provide accurate calibrations and performance depends on factors such as sensor length sensor diameter thermal conductivity the sensor position in the insert etc cleanliness of the sensor temperature well and insert is crucial to the resulting accuracy of each calibration you must ensure that all surfacec are clean and free of dust dirt smudges and oxidaization Insulating with glass wool to minimize cold heat loss to surrounding air Loss of cold or heat to the surrounding air will occur when calibrating or testing a long sensor thet is partly exposed Glass wool when itis placed into the calibrator insulation When the sensor has a large exposed mass this cold or heat loss can affect the accuracy of the calibration
45. up to 1 ENTER or Keypad calibration sets with up to 20 points t number selects calibrate automatically menu item kou L pom L T TC2000 09 April 2002 14 3 Calibration Sets No Tag number eleotthe Ca Set you want to u 11011 1 01 At keypad type Ta 2 number and ENTE 3 to set 4 5 UP DOWN for position 6 GO BACK to retu 7 previous me B CONTINUE t 9 proceed t 10 CONTINUE 222 F OD April 2002 14 39 Configuration internat MM 1 Reference sensor 2 Sensor correction NEAT for menu SELECT for options saa other s nso Keypad number for menu mecren Pto keypad number for options C fo type previous menu POWER OFF to quit INFI a T E v 222 09 April 2002 14 3 Calibration Points 1 28 00 11 mich position 2 30 00 12 Atkeypa 3 Ea 13 data and Ent 4 14 cancel and t minus Seta 5 15 minus to skip current 6 16 point and fomeard G 7 17 BACK t 8 18 mer o e N oo CONTINUE Page 35 TC2000 user s manual Press CONTINUE start the semi automatic calibration The temperature of the well will be shown on the LCD screen At any time you may choose to similate a stable condition of your test sensor by selecting the SIM STABLE softkey option Test sensor Other Reference sensor Internal 28 02 C When the temperature and sensor is at a stable state the calibrator will promt you for a temperature entry of your test sensor Enter

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