Thermosight HT - Calex Electronics Limited
Contents
1. readings are stored continuously as long as the pushbutton is in the second trigger position The figures 0 02 50 are the time intervals in seconds between two stored values Maximum 750 tem perature values can be stored then the sign STO FULL will be blinking in the display Position INT PRT print is used only in connection with the optional software PortaWin In this po sition a single temperature reading is stored on a connected PC by pressing the push button into the second trigger point without using the built in data logger of the pyrometer 7 11 C F temperature display in C or F The temperature can be displayed in C or F 7 12 Time The pyrometer is equipped with an integrated clock Time and date are only used in combination 11 LALEX ELECTRONICS LIMITED Thermosight HT with the stored values and can only be read out via interface and software PortaWin On the PC they are shown additionally to the measured temperatures see 8 2 software PortaWin The clock has its own power supply and is running even if the pyrometer battery is taken out Time setting pyrometer must be switched off press laser targeting light key and parameter key at the same time keep them hold and press the push button to switch the instrument on time appears on the display the blinking part hours or minutes can be set with the arrow keys switch from minutes to hours and back with the parameter key switch back to2. 20 70 C Protection class IP20 CE label according to EU directives about electromagnetic immunit 3 Overview 3 1 Instrument LALEX ELECTRONICS LIMITED Thermosight HT Laser warning Display Connector for battery charger Connector for RS232 interface and Protection cap Gg lt Wu Spot size table Fixing lever for continuous Switch Battery case Carrying loop analog output Tripod thread 3 2 Display Sensor for automatic display illumination Laser targeting light Hold function Temperature display Parameter value Function value Choose parameter or function 3 3 Appropriate use The portable pyrometer THERMOSIGHT HT is a robust digital and highly accurate infrared ther mometer with built in data logger 750 temperature values for non contact temperature measure ment on metals ceramics graphite etc with a temperature range of 250 1800 C 3 4 Scope of delivery Instrument incl battery carrying case inspection sheet user manual 4 Safety This section offers an overview about all important safety aspects Additionally in the several sections there are concrete safety aspects to avert danger These as 5 LALEX ELECTRONICS LIMITED Thermosight HT pects are indicated with symbols Labels and markings at the instrument have to be noticed and keep in a permanent readable condition 4 1 General Each person working with the pyrometer must ha
3. the measuring mode by pushing the trigger switch The date can only be changed by PC via software PortaWin not on the instrument 8 Interface The pyrometer is equipped with an analog output and a serial RS232 interface baud rate 57600 Bd connector socket The analog output is 1 mV C or 1 mV F and can USB type B be used e g for connection to a line recorder for analog output Via serial interface the pyrometer can be connected and interface to a PC This allows to read out the stored data and analyze them graphically or in table form Also the in strument can be used in continuous mode in combi nation with a PC and the data are displayed on the monitor as an online diagram for connecting cables and software see 13 Reference numbers acces sories 8 1 Connector pin assignment For use of analog or digital interface a suitable connecting cable is necessary reference numbers see 13 Reference numbers accessories Interface Analog output Ua zU Pyrometer s side PC side Pyrometer s side soldering side 8 2 Software PortaWin accessory PortaWin is a Windows based software which enlarges the functions of the pyrometer the min re quirement is Windows 95 To install the software double click the setup exe file on the installation CD Starting the program will show the following icons with the corresponding functions a7 LALEX ELECTRONICS LIMITED Thermosight HT Transfers the stored me
4. ALEX Thermosight HT Thermosight HT User Manual LALEX ELECTRONICS LIMITED Thermosight HT Content ee ee eR eee ee me OO ee ee RO nC ae RT E A IA 3 1 1 Information to the user A iia 3 TALCA ani aTa o a EA ES 3 EA Ar a 3 EEN 3 O A a EE 3 1E Disposal Ri o MAA 4 d Tee 4 A A Ss oa inca 4 A 4 AN EEN 5 IA USE ii ia 5 cl A 5 AA EE 5 A REENEN 6 AA A ID 6 4 3 Ambient OU A A A A A 6 AA AA 6 LI A ai T e mente ee ey Ort ee i A AMIA non E A eet E 7 A A A A A een T LALEX ELECTRONICS LIMITED Thermosight HT 1 General 1 1 Information to the user manual Congratulations on choosing the high quality and highly efficient CALEX Pyrometer Please read this manual carefully and step for step including all notes to security operation and maintenance before using the pyrometer For operation of the instrument this manual is an impor tant source of information and work of reference To avoid handling errors keep this manual in a lo cation where you always have access to If operating the instrument it is necessary to follow the generally safety instructions see 4 Safety Additionally to this manual the manuals of the of the used components are valid All notes espe cially safety notes are to consider 1 2 Limit of liability and warranty All general information and notes for handling maintenance and cleaning of this instrument occurs to the best of our knowledge under consideration of our know how CALE
5. OCKING eve EE 7 Ambient Temperature 6 M Average Tunchon 10 Mamtenance uk 14 B Maximum value 10 PANO OPERA O e sant dunstbaanoaneteins 7 Minimum value erreen 10 Baud Motion 12 P C SS A 7 Close up NS EE 8 5 D Scope Of delven 5 Data Odd Siria cotillon 5 elei LI Le DE 7 Difference temperature function 10 Software PortaWinN occccccocccnncccccncconco 12 E Special deplavs 13 EN E 10 SOL SA Oe ee rer eee een rere eet eee 7 H Jo E 11 Pll ALAN AA 11 T HOLD Tunctnon 7 IR vu 11 l Trouble SODA viieivctisinmesiatdrsavedsoveserecie 14 a E arios 12 o A ee E ETA 11 Measured values clearing 11 L Measured values recall 11 Laser targeting light oo 6 7 CALEX Electronics Ltd PO Box 2 Harmill Industrial Estate Leighton Buzzard Bedfordshire LU7 4AZ Tel 44 0 1525 373178 Fax 44 0 1525 851319 Internet www calex com E Mail info calex com 16 08 05
6. X is not liable for any damages that arise from the use of any examples or processes men tioned in this manual or in case the content of this document should be incomplete or incorrect CALEX reserves the right to revise this document and to make changes from time to time in the content hereof without obligation to notify any person or persons of such revisions or changes All series THERMOSIGHT Instruments from CALEX have a warranty of two years from the invoice date This warranty covers manufacturing defects and faults which arise during operation only if they are the result of defects caused by CALEX This warranty is void if the instrument is disassembled tampered with al tered or otherwise damaged without prior written consent from CALEX EN 1 3 Legend Note The note symbol indicates tips and useful information in this manual All notes should be read with regard to an effective operation of the instrument A Security note laser beam Indicates to the danger of a built in laser targeting light 1 4 Terminology The used terminology corresponds to the VDI VDE directives 3511 page 4 1 5 Copyright All copyrights reserved This document may not be copied or published in part or completely with out the prior written permission of CALEX Contraventions are liable to prosecution and compensa LALEX ELECTRONICS LIMITED Thermosight HT tion All rights reserved practicing industrial property rights 1 6 Disposal
7. asured values of the pyrometer to the PC following ia gt data will be added to each temperature value e date of measurement e time of measurement e adjusted emissivity e minimum and maximum value of all measurements Starts and stops the recording of temperature data and displays them in an online diagram The sequence of the recorded values is dependent on the adjusted time interval Transferred stored data or online recorded data can be stored under a cer tain file name and recalled at any time Recalled data can be displayed in a diagram or in table form and printed out for further analysis The data files can be converted into text files under output ASCII file save as txt file and transferred into EXCEL Mutou Eu Additionally to the measured values the date and time will be read out via in terface Theses values can checked and adjusted on this position 9 Special displays of the pyrometer Display Description Battery capacity low only short operation time of the pyrometer automatically shut down on too low capacit 7777 Measuring temperature below beginning of temperature range 250 C 8888 Measuring temperature above end of temperature range 1800 C ERR2 Malfunction by strong HF interferences MAX 7777 Maximum value storage below beginning of temperature range 250 C MAX 8888 Maximum value storage above end of temperature range 1800 C MIN 7777 Minimum value storage below beginnin
8. decommissioning Inoperable CALEX pyrometers have to be disposed corresponding to the local regulations of electro or electronic material 2 Technical data Temperature range 250 1800 C Spectral range 1 45 1 8 um Detector InGaAs detector Accuracy 0 75 of reading Tu 23 C EMI 100 Repeatability 0 2 of reading Temperature coefficient 0 03 of reading in C per C deviation of ambient temperature of 23 C Exposure time too 20 ms with dynamical adaptation at low signal levels Emissivity 10 100 adjustable in 1 steps Temperature display 3 values s large display 4 digit height 9 mm small display 4 digit height 4 5 mm Temperature resolution on display 0 1 C 250 999 9 C 1 C 1000 1800 C 0 1 F 482 999 9 F 1 F 1000 3272 F via interface 0 1 C or 0 1 F Temp below 250 C Temp exceeds 1800 C Display illumination Data storage 750 values storage of temperature value date time parameter emissivity address interval temperature unit in C or F Storage interval PRT OFF 0 02 s 0 04 s 0 1 s 0 2 s 0 5 s 1 s 2 s 5 s 10 s 20s 50s Serial interface RS232 interface with 57600 Baud Analog output 1 mV C or 1 mV F resolution 1 degree Power supply 9 V battery IEC 6LR61 or 9 V NiMH rechargeable battery e g Varta type 5622 50 hours without laser with 9 V battery without backlight 15 hours without laser with 9 V rechargeable batter
9. e trigger once again releases the locking and switches off the continuous measuring mode 5 3 Sighting For exact aiming to the object the pyrometer is equipped with a laser targeting light The laser shows a red flashing circle at the position of the measuring spot on the object The size of the circle varies depending on the distance and has approximately the size of the measuring spot If the instrument is in operation the laser targeting light function can be activated or deacti Q vated by pressing the laser key If this function is activated the laser targeting light is auto matically switched on as long as the trigger button is pushed Caution Do not look directly into the laser beam Laser class 2 according to IEC 60825 1 3 4 5 4 Spot size LALEX ELECTRONICS LIMITED Thermosight HT The size of the measuring spot of the pyrometer and with that the minimum size of the measuring object is dependent on the distance The smallest spot size of 4 mm in diameter is achieved only in a measuring distance of 800 mm The spot is decreasing if the distance to the measuring object is decreasing of increasing from 800 mm A spot size table is printed on the right side of the pyrometer corresponding to the below shown spot size diagram Smallest objects with only 1 25 mm diameter can be measured with the additional close up lens optional accessory Note The pyrometer can measure objects at any distance but the object has to be bigger or at lea
10. easured values The clear function CLR deletes the complete data storage data storage see 5 2 If the function is selected one of the arrow keys must be used to change the preselected value no into yes Pushing the PAR button within the next 6 seconds will clear the storage The display shows run until the storage is cleared 7 8 STO determine the storage position The STO function determines the storage position number between 1 and 750 from which the py rometer starts to store measured values in the following data recording The position number and the stored value of the last data logging will be displayed automatically If a lower position number will be selected all storage positions above this number will be overwritten by new values If a high er position number will be selected lower position numbers remain unused Maximum 750 temper ature values can be stored then the sign STO FULL will be blinking in the display 7 9 RCL recall measured values RCL shows the stored measured values With the arrow keys the values can be displayed sequen tially 7 10 INT time interval for storage of measured values With the INT function it can be selected between single data storage or continuous data logging In position single data storage INT OFF only one temperature reading is stored by pushing the but ton into the second trigger point In position continuous data logging INT 0 02 50 temperature
11. ery case cover 5 2 Switch on Locking lever The instrument s push button has two trigger points Push button with 2 trigger points GO pane First trigger point The instrument is switched on if the button is pushed to the first trigger point The measurement starts after a short self test of approximately 1 second After releasing the push button the last mea sured value will be displayed for 10 seconds HOLD function and the sign HOLD is shown on the display After these 10 seconds the instrument is switched off automatically The display indicates 7777 if the measured temperature is below 250 C it indicates 8888 above 1800 C Second trigger point The second trigger point activates the data logger and stores the actual temperature reading It can be adjusted if only the actual temperature value is stored or if a continuous storing should be done as long as the push button is hold on the second trigger point setting of time interval see 8 10 The data logger can store up to 750 temperature values Should the pyrometer be switched to sin gle value data logging the data logging is confirmed by a beep and in the display the used number of the stored value is indicated for a short time e g for the first stored value STO 01 is shown The pushbutton can be locked in the second trigger point position with the locking lever by pushing the lever upwards This activates the continuous measuring mode Pressing th
12. g of temperature range 250 C MIN 8888 Minimum value storage above end of temperature range 1800 C DIF 7777 Difference temp measurement out of display range DIF 8888 Difference temp measurement out of display range 10 Transport packaging storage The instrument can be damaged or destroyed if shipped faulty To transport or store the instrument please use the original box or a box padded with sufficient shock absorbing material For storage in humid areas or shipment overseas the device should be placed in welded foil ideally along with silica gel to protect it from humidity 1 LALEX ELECTRONICS LIMITED Thermosight HT The pyrometer is designed for a storage temperature of 20 70 C with non condensing condi tions Other kind of storing can damage or malfunction the pyrometer 11 Maintenance The pyrometer does not have any parts which require regular service only the lens has to be kept clean The lens can be cleaned with a soft cloth in combination with alcohol do not use acid solu tions or dilution It is also possible to use standard cleaning tissue for glasses or camera lenses It is recommended to send the pyrometer every two years to CALEX for recalibration 12 Trouble shooting Before sending the pyrometer for repair try to find the error and to solve the problem with the help of the following list Temperature indication too low e Incorrect alignment of the pyrometer to the object gt New correct ali
13. gnment to achieve the max temperature signal e Measuring object is smaller than spot size Choose correct measuring distance e Measuring object is not always in the measuring spot of the pyrometer e g swinging wire or pouring stream gt Use max value storage Emissivity set too high gt Set lower correct emissivity corresponding to the material e Lens contaminated or scratched gt Clean lens carefully Temperature indication too high e Emissivity set too low gt Set lower correct emissivity corresponding to the material The measurement is influenced by reflections of hotter machine parts gt Try to avoid the influence of the interfering radiation or change measuring position Measuring errors e Indicated temperature is decreasing during the use of the pyrometer contamination of the lens Clean lens e Air contamination in the sighting path between pyrometer and object gt Change position of the pyrometer with a clean sighting path e Strong HF interferences Change position of the pyrometer 13 Reference numbers Pyrometer 7 611 808 THERMOSIGHT HT 14 Accessories AS 101 AS 102 AS 103 AS 104 AS 106 AS 107 AS 109 AS 111 LALEX ELECTRONICS LIMITED Thermosight HT Close up lens Software inkl RS 232 cable Analogue cable Charger for 9V Accu NiMH NiMH Accu 9V Tripod Belt Pack Carrying Case 15 LALEX ELECTRONICS LIMITED Thermosight HT A L
14. he MAX function shows the highest reading taken during a measurement This feature is particularly useful for applications with fluctuating object temperatures or for the measurement of moving objects which are not constantly in the measuring beam of the pyrometer With every new measurement the maximum value storage is cleared automatically i e pushing the trigger again Note The response time of the pyrometer and with that the maximum value storage function is faster than the update of the display 7 3 MIN minimum value The MIN function shows the lowest reading taken during a measurement Note The response time of the pyrometer and with that the minimum value storage function is faster than the update of the display 7 4 AVG average function The average function always shows the average of the readings of the last 4 seconds 7 5 DIF difference temperature function If the DIF function is activated a start temperature value is stored by pushing the trigger and the 10 LALEX ELECTRONICS LIMITED Thermosight HT temperature difference to the actual reading is indicated That is why the indication an be positive or negative 7 6 HI hi alarm The Hi alarm function is always active Exceeding the adjusted alarm temperature ex works setting 1800 C activates an intermittent acoustic signal beep Exceeding the end of the temperature range gt 1800 C the frequency will be higher 7 7 CLR clearing the stored m
15. nging a corresponding short form will be displayed Parameter value function value indicates the value of the adjusted parameters or the tempera ture of the selected measuring function PAR key Repeated pushing of the PAR key displays all available parameters as EMI HI INT C F or additional measuring functions in the following sequence mentioned below Parameters are part of the basic settings of the pyrometer They are only displayed during adjustment Measuring functions are displayed additionally to the measuring temperature MAX MIN AVG DIF can give an acoustic signal HI or can be used for data analysis RCL Selected measuring functions are stored when the pyrometer is switched off and will be activated by restarting the instrument f Parameter f Facto Display function Short explanation chos 1x EMI Emissivity indication and setting of emissivity 100 2X MAX Max value indication of maximum value 3x MIN Min value indication of minimum value 4x AVG Average indication of average value By DIF Diference indication of the difference between the actual measur ing temperature and the start measuring temperature 6 x HI Hi alarm indication and setting of acoustic alarm 1800 C TX CLR Clear deletes the stored measured values 8 X STO Store fixing of storage position 9x RCL Recall indication of stored measured values indication and setting of time interval for storage of OFF measured values in continuous mode Cel
16. sius indication and setting of temperature reading C Fahrenheit in C or F 10 x INT Interval 11 x C F Arrow keys With the arrow keys and O the corresponding settings for all parameters can be changed A change in setting of a parameter is stored automatically LALEX ELECTRONICS LIMITED Thermosight HT 7 Parameter description adjustments 7 1 EMI emissivity For a correct measurement it is necessary to adjust the emissivity This emissivity is the relation ship between the emission of an real object and the emission of a black body radiation source this is an object which absorbs all incoming rays and has an emissivity of 100 at the same tempera ture Different materials have different emissivities ranging between 0 and 100 settings at the pyrometer between 10 and 100 Additionally the emissivity is depending on the surface condition of the material the spectral range of the pyrometer and the measuring temperature The emissivity setting of the pyrometer has to be adjusted accordingly Typical emissivity values of various com mon materials for the spectral range of the THERMOSIGHT HT are listed below The tolerance of the emissivity values for each material is mainly dependent on the surface conditions Rough sur faces have higher emissivities Black body furnace Porcelain glazed 0G Aluminum bright Bronze bright Chromium bright Copper oxidized 7 2 MAX maximum value T
17. st as big as the spot size of the pyrometer in the measuring distance Spot size M mm Measuring distance a mm For longer measuring distances than 800 mm the size of measuring spot can be calculated approximately with the following equation M 0 019 x a 11 M spot size in mm a measuring distance in mm With close up lens optional Spot size M mm 11 13 5 Measuring distance a mm If using the close up lens the emissivity setting of the instrument EMI has to be corrected with the following factor emissivity see 7 1 EMI 0 92 x EMlobjext For longer measuring distances than 250 mm with the close up lens the size of measuring spot can be calculated approximately with the following equation M 0 05 x a 11 M spot size in mm a measuring distance in mm LALEX ELECTRONICS LIMITED Thermosight HT 6 Display functions Setting keys Additionally to the temperature measurement the THERMOSIGHT HT provides some more func tions which are necessary for a correct measurement and usefully enlarging the functionality of the pyrometer Indication C or F ZZL J OIF Temperature display Setting keys 1 Parameter selection PAR 2 change of parameter values O Indication C or F indicates the temperature in C or F Temperature display shows the actual or stored temperature value Parameter function selecting a parameter or a measuring function for indication or cha
18. ve read and understood the user manual before operation Also this has to be done if the person already used similar instruments or was already trained by the manufacturer The pyrometer has only to be used for the purpose described in the manual It is recommended to use only accessories offered by the manufacturer 4 2 Laser targeting light For easy alignment to the measuring object the pyrometers is equipped with a laser targeting light This is a visible red light with a wavelength between 630 and 680 nm and a maximum power of 1 mW The laser is classified as product of laser class 2 Caution Do not look directly into the laser beam Laser class 2 according to IEC 60825 1 3 4 Safety regulations e Never look directly into the laser beam The beam and spot can be watched safely from side Make sure that the beam will not be reflected into eyes of persons by mirrors or shiny sur faces 4 3 Ambient temperature The pyrometer is designed for ambient temperatures of 0 60 C with non condensing conditions An operation out of these conditions can damage or malfunction to the pyrometer 5 Commissioning LALEX ELECTRONICS LIMITED Thermosight HT 5 1 Battery insertion For operating the THERMOSIGHT HT a 9 V battery or 9 V rechargeable bat tery is necessary For insertion of the battery remove the locking screw and the battery case cover Now the instrument is ready to use Battery case Locking screw for A batt
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