AEMC CA876 Infrared Thermometer Manual PDF
Contents
1. 9 3 3 Safety 9 10 4 1 Infrared Measurement Considerations 10 4 2 Recommendations before Operating 11 4 3 Infrared Operation 12 4 4 K Thermocouple 12 4 5 Setting the Temperature Scale C 13 4 6 Continuous Measurement 13 5 MAINTENANCE 14 5 1 Replacing the Battery 14 5 2 Cleaning 4 2 cont aa eis Mc SR EA cie 14 Repair and Calibration 15 Technical and Sales Assistance 15 Limited Warranty 16 Warranty Repalts 16 CHAPTER 1 INTRODUCTION AN Warning A Thermometers are not designed to touch live electrical samples Do not use this instrument with Thermocouple K when voltages at the sample point exceed 24Vpc or 24Vrms Do not make temperature measurement in microwave ovens Leaking microwaves may result in burns and serious injuries To prevent sensor damage do not point the sensor lens directly at the sun or2. INFRARED K THERMOMETER WITH LASER CA876 AEMC ENGLISH User Manual INSTRUMENTS Owner s Record The serial number for the Model CA876 is located inside the battery com partment of the instrument Please record this number and purchase date for your records INFRARED K THERMOMETER MODEL CA876 CATALOG 2121 34 SERIAL PURCHASE DATE DISTRIBUTOR Table of Contents 1 INTRODUCTION 2 1 1 International Electrical Symbols 3 1 2 Receiving Your Shipment sss 3 1 3 Ordering Information 3 2 PRODUCT FEATURES S 4 2 1 Descriptions use e tere 4 2 2 Button Functions eR Euer REED exe 5 2 2 1 Center Yellow Button MEAS 5 2 2 2 Mode Button caet gc 5 22 3 5 Backlight and A 6 2 24 Laser and Y Button 6 3 SPECIFICATIONS 7 3 1 Environmental Specifications 7 Infrared ss ma un manaa 7 3 125 IKTVDO baute etes tette des 8 3 2 General
3. 2346 or 603 749 6309 E mail repair aemc com Caution To protect yourself against in transit loss we recommend you insure your returned material NOTE You must obtain CSA before returning any instrument 16 Infrared K Thermometer Model CA876 Notes EJAEMC INSTRUMENTS 03 12 99 MAN 100246 v5 Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 603 749 6434 Fax 603 742 2346 www aemc com
4. K Thermometer Model CA876 7 Field of View FOV ratio 10 1 Distance Diameter The FOV is the ratio of the dis tance to the target to the target diameter When the target diameter is small it is impor Distance to _ 20 600mm tant to bring the thermometer object 30 760mm closer to the target to ensure I 40 1000mm that only the target is mea sured excluding the surroundings Remember that the measurement size is one tenth the distance to the target For example if the thermometer is at 10 then the size measured is 1 3 1 2 K TYPE Temperature Scale Celsius C or Fahrenheit F User selectable Measurement Range 40 to 2000 or 40 to 1350 C Resolution 0 1 F C or 1 F C Accuracy 328 F to 1999 F 0 1 of Reading 2 F plus T C 199 C to 1370 C 0 1 of Reading 1 C plus T C Accuracy is specified for operating temperatures over the range of 64 to 82 F 18 to 28 C for 1 year excluding the sensor Temperature Coefficient 0 1 times the applicable accuracy specification per C from 0 to 18 C and 28 to 50 C Input Protection 24Vpc or 24Vrms maximum input voltage on any combination of inputs Sample Rate 2 5 times per second Input Connector Standard miniature thermocouple connectors flat blades spaced 7 9mm center to center Temperature Response Temperature indication follows Reference Temperature Voltage Tables N I S T Monograph 1
5. displayed in the smaller lower display in front of the K symbol The main larger display is the IR temperature reading 6 The thermometer will continue measuring as long as the MEAS button is pressed When the button is released the measurement will be held in the display for 15 20 seconds 12 Infrared K Thermometer Model CA876 7 When finished remove the thermocouple from the sample and unplug the thermocouple from the meter The thermometer will shut OFF automatically after 15 20 seconds Note IR measurements are active at the same time as the K t c measure ments 45 Setting the Temperature Scale C or F The temperature scale is displayed on the upper part of the display To select the temperature scale C When the thermometer is OFF hold down the button then press the MEAS button C will be displayed F When the thermometer is OFF hold down the P button then press the MEAS button F will be displayed The selected temperature scale will remain until changed by the user 4 6 Continuous Measurement The user may want to leave the thermometer ON to measure over an extended time period without having to keep pressing the MEAS button To enter the continuous mode Turn the thermometer OFF Hold down the MODE button then press the MEAS button This will set the thermometer in the continuous mode HOLD will not be displayed in the continuous mode and the laser sighting will not run When fi
6. 75 Revised to ITS 90 for K type thermocouples 8 Infrared K Thermometer Model CA876 3 2 General Specifications Display 2000 count 3 digit liquid crystal display LCD with maximum reading of 1999 Low Battery Indication is displayed when battery voltage drops below required level Sample Rate 2 5 times per second nominal Operating Temperature 32 to 122 F 0 to 50 C at lt 80 RH Storage Temperature 4 to 140 F 20 to 60 C 0 to 80 RH with battery removed Auto Power Off 15 seconds approx Altitude 2000m max Input Protection 24Vpc 24rms maximum input voltage any combi nation of inputs Battery Standard 9V battery NEDA 1604 6LR61 or equivalent Battery Life 100 hours continuity typical with carbon zinc battery back light not illuminated Dimensions 6 81 x 2 38 x 1 5 173 x 60 5 x 38mm Weight Approx 9 oz 2550 including battery 3 3 Safety Specifications C EN 61010 1 1995 2 Protection Class 111 Overvoltage Category Ill 24V Pollution Degree 2 Indoor Use All specifications are subject to change without notice Infrared K Thermometer Model CA876 9 4 OPERATION 4 1 Infrared Measurement Considerations MEASUREMENT THEORY Every object emits infrared IR energy proportional to its temperature By measuring the amount of this radiant energy it is possible to determine the temperature of the emitting object Infrared radiation is invisi
7. Hi or Lo and a MIN or MAX Hold function The thermometer is supplied with a protective holster built in sensor and a K type bead thermocouple It also features a back light LCD display an automatic data HOLD function and Auto OFF IR THERMOMETER Model CA876 ALM HI Lo EX ge E 1 3 digit display 2 Mode selector 3 Back light Increase button 4 26070858 button INSTRUMENTS 5 Power Measure button 4 Infrared K Thermometer Model CA876 22 Button Functions 2 2 1 Center Yellow Button MEAS Press this button to turn the thermometer ON and perform a measure ment When the button is released the meter will automatically HOLD freeze the last reading on the display for approximately 15 to 20 seconds before automatically shuting OFF 2 2 2 Mode Button Pressing this button makes the thermometer enter and advance though several functions including some programmable functions The MODE button is used to select a specific function e g MIN MAX or to adjust an Alarm or the emissivity To enter the mode program press MODE once SET is displayed in lower right hand corner When pressed consecutively it will scroll through the following settings 5 gt Set gt ALM Hi Set gt ALM Lo Set gt MAX gt MIN SET is displayed in the lower right hand corner of the display when a selected function is programmable ALM Hi ALM Lo Emissivity may be ad
8. ON or OFF The symbol is displayed in the upper left hand corner when the laser is ON Remove the laser cover before use The laser is activated when the MEAS button is pressed during a mea surement In the settings ALM Hi and ALM Lo the W button decreases the numeri cal value displayed in the lower smaller display area If held down the value change will decrease in speed NOTE There is no ON OFF button The meter turns ON when the center MEAS button is pressed and will automatically shut OFF after approxi mately 15 to 20 seconds 6 Infrared K Thermometer Model CA876 CHAPTER 3 SPECIFICATIONS 3 1 Environmental Specifications 3 1 1 INFRARED Temperature Scale Celsius C or Fahrenheit F user selectable Temperature Range 4 F to 1022 F 20 C to 550 C Display Resolution 1 F 1 C Accuracy gt 212 F 100 C 10 F 5 C gt 212 F 100 C 2 of Reading or 6 F 3 C whichever is greater 64 4 to 82 4 F 18 to 28 C ambient operating temperature Temperature Coefficient Changes in accuracy operating temperature above 82 4 F 28 C or below 64 4 F 18 C 30 2 of Reading or 0 36 F 0 2 C whichever is greater Response Time 1 second Laser Red 0 5mW 670nm Class 2 50 ft range Spectral Response 6 to 14um nominal Emissivity Pre set 0 95 user selectable from 0 10 to 1 00 Detection Element Thermopile Optical Lens Fresnel Lens Infrared
9. any other source of strong infrared light Do not look directly into the laser beam and do not aim the laser beam into eyes Do not place the infrared thermometer directly on or close to objects at temperatures exceeding 158 F 70 To prevent measurement errors do not expose the thermom eter to strong electrical or electromagnetic fields To prevent sensor damage and erroneous readings do not put the sensor lens into contact with any body or foreign loose material when measuring Keep the sensor perfectly clean Do not touch the sensor when taking measurements as it may affect the readings When the meter is exposed to sudden temperature changes hot or cold allow 20 minutes of stabilization before taking a reading Be certain there is no condensation on the lens prior to taking measurements Allow 10 minutes for condensation to dissipate as needed The Model CA876 is not waterproof or dust proof Take necessary precautions to protect it in wet or dusty environments Repeated sharp flexing can cause the thermocouple leads to break To prolong sensor life avoid sharp bends in the thermo couple especially near the connector 2 Infrared K Thermometer Model CA876 1 1 International Electrical Symbols This symbol on an instrument indicates a WARNING and that the operator must refer to the user manual for instructions before operating the instrument a manual the symbol preceding instructions indicates that
10. ble light electromagnetic radiation which easily travels through air and is easily absorbed by solid matter An IR thermometer which operates by detecting infrared radiation can accurately measure an object surface temperature without touching it and independently of the air temperature or the mea surement distance Infrared radiation which is emitted from the object is focused into an infra red radiation sensor through an optical system This system includes an optical lens which is transparent to infrared radiation and a 5 3um cut off filter The output signal from the infrared radiation sensor is input to an electronic circuit along with the output signal from a standard temperature sensor to calculate the temperature and display it on the meter display EMISSIVITY All objects emit invisible infrared energy The amount of IR energy emitted is proportional to the object s temperature and its natural ability to emit IR energy This ability called emissivity is based upon the object material type and its surface finish Emissivity values range from 0 10 for a very reflective object to 1 00 for a black body Factory set emissivity value of 0 95 will cover 90 95 of typical applications If frost or other material substance covers the measured surface clean it to expose the surface If the surface to be measured is highly reflective apply dull masking tape or matte black paint over the surface If the ther mometer seems to be gi
11. e of original purchase against defects in manufacture This limited warranty is given by AEMC Instruments not by the distributor from whom it was chased This warranty is void if the unit has been tampered with abused or if the defect is related to service not performed by AEMC Instruments For full and detailed warranty coverage please read the Warranty Coverage Information which is attached to the Warranty Registration Card if enclosed or is available at www aemc com Please keep the Warranty Coverage Information with your records What Instruments will do Ifa malfunction occurs within the one year period you may return the instrument to us for repair provided we have your warranty registration information on file or a proof of purchase AEMC Instruments will at its option repair or replace the faulty material REGISTER ONLINE AT www aemc com Warranty Repairs What you must do to return an Instrument for Warranty Repair First request a Customer Service Authorization Number CSA by phone or by fax from our Service Department see address below then return the instrument along with the signed CSA Form Please write the CSA on the outside of the shipping container Return the instrument postage or shipment pre paid to Ship To Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 800 945 2362 Ext 360 603 749 6434 Ext 360 Fax 603 742
12. if the instructions are not followed bodily injury installation sample and product damage may result A Laser Radiation DO NOT look into the laser beam Laser Output lt 0 5mW 670nm wavelength 1 2 Receiving Your Shipment Upon receiving your shipment make sure that the contents are consistent with the packing list Notify your distributor of any missing items If the equipment appears to be damaged file a claim immediately with the car rier and notify your distributor at once giving a detailed description of any damage Save the damaged packing container to substantiate your claim 1 3 Ordering Information Infrared Thermometer Model 876 Cat 2121 34 Includes K thermocouple 9V Alkaline battery rugged shockproof protective safety holster and user manual Infrared K Thermometer Model CA876 3 CHAPTER 2 PRODUCT FEATURES 2 1 Description The AEMC Model CA876 is a portable easy to use compact sized digi tal infrared and K thermocouple input thermometer designed for simple one hand operation It uses infrared sensor with a user adjustable emmisivity setting The thermometer is simply aimed at the target to be measured without any physical contact when in the IR mode non contact temperature mea surement An aiming laser enables the user to pinpoint the target The K type thermocouple input may also be used The thermometer includes a programmable Alarm which triggers on
13. justed with the and W buttons to match a particu lar target We recommend leaving it at 0 95 for general use ALM Hi The Hi alarm set point is adjusted using the and W buttons When this set point is reached the beeper will sound and ALM HI will be displayed ALM Lo The Lo alarm set point is adjusted using the and W buttons When this set point is reached the beeper will sound and ALM Lo will be displayed MAX The Max value measured will be displayed during measurement While in the MAX mode and when measuring the MODE button will toggle the mea surement between MAX MIN Present reading MIN The Min value measured will be displayed during measurement While in the MIN mode and when measuring the MODE button will toggle the mea surement between MIN Present reading MAX MIN K The lower display will indicate the reading from the K type thermocouple NOTE If the thermometer is OFF pressing the MEAS button for more than 4 seconds will set the thermometer in the MIN MAX record mode when pow ered up Infrared K Thermometer Model CA876 5 2 2 3 3 Back light and A Button Press the 56 button to turn the Back light ON Press again to turn OFF In the settings 6 ALM Hi and ALM Lo the button increases the numeri cal value displayed in the lower smaller display area If held down the value change will increase in speed 2 2 4 Laser and V Button Pressing the button turns the laser
14. nished press MEAS once HOLD will be displayed and the thermometer will shut down in 15 20 seconds Alternatively press MEAS again to re enter the continuous mode Infrared K Thermometer Model CA876 13 5 MAINTENANCE Use only factory specified replacement parts will not be held responsible for any accident incident or malfunction following a repair done other than by its service center or by an approved repair center 5 1 Replacing the Battery A The symbol appears on the LCD display when replacement is needed Replace with a standard 9 volt alkaline battery NEDA 1604 6LR61 To replace the battery 5 2 14 Turn the meter OFF Remove the rubber holster Remove the screw from the back of the meter and lift off the bat tery cover Replace the battery then put the rear cover and holster back on Cleaning Use a soft cloth lightly dampened with soapy water Rinse with a damp cloth and then dry with a dry cloth Do not use any abrasives or solvents Do not let any liquid enter the case or sensor area Infrared K Thermometer Model CA876 Repair Calibration To ensure that your instrument meets factory specifications we recommend that it be scheduled back to our factory Service Center at one year intervals for recalibration or as required by other standards or internal procedures For instrument repair and calibration You must contact our Service Center for a C
15. red Operation 1 Press and hold the yellow measurement button MEAS The thermometer will display SET briefly on the main display while it auto checks 2 Aim the Thermometer towards the target 3 If using the aiming laser remove the laser cover and press the Button to turn the laser ON and OFF The laser is activated when MEAS is pressed 4 Infrared thermometer sensors need a certain time to stabilize to ambient temperature Remember to let the IR meter reach ambient if brought in from different temperature environment 5 Press the Se button to turn ON the back light 6 If the measured temperature is outside the measurement range GL will be displayed 7 The thermometer will continue measuring as long as the MEAS button is pressed When the button is released the measurement will be held in the display for 15 20 seconds HOLD is displayed in the lower left hand corner of the display 8 The IR thermometer will shut OFF automatically after 15 20 seconds 4 4 Operation 1 Connect the K thermocouple to the instrument input 2 Press MEAS to turn the thermometer ON 3 Press the MODE button six times to enter the thermocouple mode K will be displayed in lower right hand corner of the display 4 Putthe thermocouple near or on the sample tested 5 Press MEAS button to measure Thermocouples need a certain time to respond Take the reading when the measurement has stabilized The reading is
16. ustomer Service Authorization Number CSA This will ensure that when your instrument arrives it will be tracked and processed promptly Please write the CSA on the outside of the shipping container If the instrument is returned for calibration we need to know if you want a standard calibration or a calibration traceable to N I S T Includes calibration certificate plus recorded calibration data Ship To Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 800 945 2362 Ext 360 603 749 6434 Ext 360 Fax 603 742 2346 or 603 749 6309 E mail repair aemc com Or contact your authorized distributor Costs for repair standard calibration and calibration traceable to 1 5 are available NOTE You must obtain a CSA before returning any instrument Technical and Sales Assistance If you are experiencing any technical problems or require any assistance with the proper operation or application of your instrument please call mail fax or e mail our technical support team Chauvin Arnoux Inc d b a AEMC Instruments 200 Foxborough Boulevard Foxborough MA 02035 USA Phone 800 343 1391 508 698 2115 Fax 508 698 2118 E mail techsupport aemc com www aemc com NOTE Do not ship Instruments to our Foxborough MA address Infrared K Thermometer Model CA876 15 Limited Warranty The Model 876 is warranted to the owner for a period of one year from the dat
17. ving incorrect readings check the front sensor There may be condensation or debris obstructing the sensor Only clean per instructions 10 Infrared K Thermometer Model CA876 Material Emmisivity Material Emmissivity Asphalt 0 90 to 0 98 Cloth black 0 98 Concrete 0 94 Human skin 0 98 Cement 0 96 Lather Soap 0 75 to 0 80 Sand 0 90 Charcoal powder 0 96 Earth 0 92 to 0 96 Lacquer 0 80 to 0 95 Water 0 92 to 0 96 Lacquer matte 0 97 Ice 0 96 to 0 98 Rubber black 0 94 Snow 0 83 Plastic 0 85 to 0 95 Glass 0 90 to 0 95 Timber 0 90 Ceramic 0 90 to 0 94 Paper 0 70 to 0 94 Marble 0 94 Chromium oxide 0 81 Plaster 0 80 to 0 90 Copper oxide 0 78 Mortar 0 89 to 0 91 Iron oxide 0 78 to 0 82 Brick red 0 93 to 0 96 Textiles 0 90 4 2 Recommendations before Operating If the measured surface target diameter is less than 2 50mm 0 then place the sensor as close as possible to the target surface lt 20 50cm away See Field of View FOV information under Specifications Ifthe target surface is covered with frost or any matter clean it before taking a measurement Ifthe target surface is highly reflective put some matte tape or matte paint over it before measuring fthe thermometer is erratic or seems not to be measuring properly make sure that the sensor is clean and not covered by condensation Infrared K Thermometer Model CA876 11 43 Infra
Download Pdf Manuals
Related Search