Operation Manual
Contents
1. With the trigger released HOLD displayed Press the MODE button to scroll through and access the following The selected item is indicated by a blinking icon Recorded data Press the A or button to scroll through and view MAX MIN DIF AVG LOG E Emissivity blinking Press the A or V button to set the value a Lock mode Press the A or Y buttons to select ON or OFF G HL High alarm ON or OFF blinking H Press the A or Y button to select G HL High alarm value adjustment blinking H and G Press the A or V button to set the value HL Low alarm ON or OFF blinking L Press the A or Y button to select HL Low alarm value adjustment blinking L and Press the A or V button to set the value C or F Temperature units Press the A or V button to select 4 42570 V1 2 8 09 Dual Laser Pointer and Backlight Button The dual laser pointers are designed to cross at a distance of 50 76cm The spot size at this distance is a 1 diameter and this is the recommended distance to target for most measurements To turn the lasers on off 1 Press and Hold the Trigger 2 While SCAN is on the display press and release the backlight laser button cE A Either the backlight or laser pointers will change status On Off Repeat this until the desired conditions are set The laser icon A will appear in the LCD when the laser function is enabled 3 The status of the functions will be stored in memory and will re2. amp Returns Extension 210 E mail repair extech com Product specifications subject to change without notice For the latest version of this User s Guide Software updates and other up to the minute product information visit our website www extech com Extech Instruments Corporation 285 Bear Hill Rd Waltham MA 02451 Copyright 2009 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 9 42570 V1 2 8 09
3. to quickly clear all logged data points This function can only be used when the unit is in the LOG mode 1 While in LOG mode press the trigger and then press the down arrow button until LOG location 0 is displayed Note This can only be done when the trigger is pulled LOG location O cannot be accessed by using the up arrow button When LOG location 0 shows in the display press and release the laser backlight button then press and release the up arrow key A tone will sound and the LOG location will automatically change to 1 signifying that all data locations have been cleared 6 42570 V1 2 8 09 IR Measurement Notes 1 The object under test should be larger than the spot target size calculated by the field of view diagram printed on the side of the meter and in this guide Before measuring be sure to clean surfaces that are covered with frost oil grime etc 3 Ifan object s surface is highly reflective apply masking tape or flat black paint to the surface before measuring Allow time for the paint or tape to adjust to the temperature of the surface it is covering Measurements through transparent surfaces such as glass will not be accurate 5 Steam dust smoke etc can obscure measurements The meter automatically compensates for deviations in ambient temperature However it can take up to 30 minutes for the meter to adjust to extremely wide changes 7 To find a hot spot a
4. 0 1 ratio D distance S spot or target Laser pointer Dual Class 2 laser lt 1mW power Wavelength is 630 to 670nm IR Spectral 8 to 14 um wavelength response Repeatability 0 5 of reading or 1 8 F 1 C whichever is greater Thermocouple Thermometer Type K Range 50 to 1370 C 58 F to 2498 F Resolution 0 1 C 0 1 F lt 1000 1 C 1 F gt 1000 50 to 1000 C 58 to 1832 F 1 5 of reading 3 C 5 F 1000 to 1370 C 1832 F to 2498 F 1 5 of reading 2 C 3 6 F General Specifications Display Backlit LCD display with function indicators Response time 100ms Over range indication a Operating Temperature 32 F to 122 F 0 C to 50 C Operating Humidity 10 to 90 RH operating lt 80 RH storage Storage Temperature 14 to 140 F 10 to 60 C Power Supply 9V battery Automatic Power Off 7 seconds with LOCK to disable Weight 11 3 oz 320g Dimensions 8 x 6 1 x 2 204 x 155 x 52mm Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Service Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy 8 42570 V1 2 8 09 a Support line 781 890 7440 Technical support Extension 200 E mail support extech com Repair
5. User Manual EXTECH INSTRUMENTS A FLIR COMPANY Dual Laser InfraRed IR Thermometer MODEL 42570 Introduction Congratulations on your purchase of the Model 42570 IR Thermometer This Infrared thermometer measures and displays non contact temperature readings up to 3992 F 2200 C certified to 2000 F 1100 C and also Type K thermocouple readings to 1370 C 2498 F At 50 built in dual lasers converge to 1 target spot to insure accurate targeting and temperature measurement Advanced features include a USB PC interface and software 100ms response time Max Min Ave Diff displays adjustable emissivity and High Low alarms Proper use and care of this meter will provide years of reliable service Warranty EXTECH INSTRUMENTS CORPORATION A FLIR COMPANY warrants this instrument to be free of defects in parts and workmanship for three years from date of shipment a six month limited warranty applies on sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department at 781 890 7440 ext 210 for authorization or visit our website at www extech com click on Contact Extech and go to Service Department to request an RA number A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to pre
6. im the meter outside the area of interest then scan across in an up and down or side to side motion until the hot spot is located Field of View The meter s field of view is 50 1 For example if the meter is 50 inches from the target spot the diameter of the target must be greater than 1 inch Other distances are shown in the field of view diagram Measurements should normally be made as close as possible to the 1 spot distance The meter can measure from longer distances but the measurement may be affected by external sources of light In addition the spot size may be so large that it encompasses surface areas not intended to be measured 300cm 4 100 5Sm 1 25cem 7 42570 V1 2 8 09 Specifications InfraRed Thermometer Range 58 to 3992 F 50 to 2200 C typical spec only gt 1832 F 1000 C Resolution 0 1 lt 1000 1 gt 1000 58 F to 10 F 50 C to 23 C 14 F 7 C Typical 10 F to 28 F 23 C to 2 C 8 F 4 C 28 F to 200 F 2 C to 94 C 4 5 F 2 5 C 200 F to 400 F 94 C to 204 C 1 0 rdg 2 F 1 C 400 F to 800 F 204 C to 426 C 1 5 rdg 2 F 1 C 800 F to 1832 F 426 C to 1000 C 3 rdg 2 F 1 C 1832 to 3992 F 1000 C to 2200 C 5 rdg 4 F 2 C typical only Note Accuracy is specified for the following ambient temperature range 73 to 77 F 23 to 25 C Emissivity 0 10 to 1 00 adjustable Field of View D S Approx 5
7. main as the default turn on condition until changed High and Low Alarm Feature When either programmed alarm high or low point is reached the meter will alert the user via an audible beep and a blinking LCD display icon The alarm limit is set and the feature is enabled disabled using the MODE button The setting is stored and memory and will remain as the turn on condition until changed Temperature Units The temperature units can be set to F or C The selection is made using the MODE button Lock feature The LOCK feature disables the Auto Power Off feature for the period of use when selected The feature is useful for long term temperature monitoring and hands free use The meter will revert to auto power off if the trigger is pressed during a locked scan The selection is made using the MODE button Over range Indication If the temperature measurement exceeds the specified temperature range the thermometer will display dashes in place of a temperature reading USB Function The supplied software and cable are used to transmitt the IR and Type K measurement data to a PC via USB To Turn on or Shut off the USB function 1 With MAX MIN DIF or AVG displayed press the LIGHT LASER button until USB sign appears in the right lower corner of the LCD USB is active 2 Press the LIGHT LASER button again until USB disappears The USB function is off Refer to the help file in the software for ope
8. mory location display Main temperature display High Low limit alarm USB connection Battery status Emissivity or Type K or Stored value display Thermocouple probe installed Emissivity setting Logged memory 2 345 SCAN 7 nt un mmt O l OLD 42570 V1 2 8 09 Operating Instructions IR Temperature Measurements 1 Hold the meter by its handle and point it toward the surface to be measured 2 Pull and hold the trigger to turn the meter on and begin testing SCAN and the temperature reading will appear on the large display The upper and lower sub displays will indicate values settings previously used 3 Release the Trigger and the reading will hold for approximately 7 seconds HOLD will appear on the LCD after which the meter will automatically shut off The only exception to this is if the LOCK mode is set to ON The MODE button options With the trigger pulled SCAN displayed Press the MODE button to view and scroll through MAX MIN DIF AVG LOG TK Maximum value measured Minimum value measured Difference between the Max and Min values Average of the measured values A memory location is displayed in the small upper display and the value in that location is displayed in the small lower display Press the A or Y buttons to scroll through the locations With a Type K thermocouple probe connected to the meter the probe temperature is displayed in the small lower display
9. rational details 5 42570 V1 2 8 09 Battery Replacement When the low battery symbol appears on the display replace the meter s battery 9V The battery compartment is located behind the panel that surrounds the meter s trigger Open the compartment by pressing the release button 1 and then pulling the panel 2 down from the trigger area Replace the 9V battery and close the battery compartment cover Data Logger Storing Data The thermometer is capable of storing up to 100 data points Infrared To store data from an infrared reading 1 2 4 Pull and Hold the trigger Press the MODE button until LOG appears in the lower left corner of the display a log location number will be displayed If no temperature has been recorded in the displayed LOG location 4 dashes will appear in the lower right corner Aim the unit at the target area you want to record and press the laser backlight button The recorded temperature will appear in the lower right corner To select another log location press the up and down keys Recalling Data To recall stored data after the unit shuts off 1 2 Press the MODE button until LOG appears in the lower left corner A LOG location number will be shown below LOG and the stored temperature for that location will be display To move to another LOG location press the UP and Down keys Log Clear Function To clear the memory The Log clear function allows you
10. vent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Safety e Use extreme caution when the laser pointer is on e Do not point the beam toward anyone s eye or allow CAU T 0 N the beam to strike the eye from a reflective surface LASER RADIATION DO NOT STARE INTO BEAM e Do not use the laser near explosive gases or in other potentially explosive areas aw a Pe CLASS II LASER PRODUCT 2 42570 V1 2 8 09 Meter Description 2 0O 0o EN OF OF e GO ND se IR sensor and Laser Pointers LCD Display Down Button Measurement Trigger Mode Button Battery compartment Backlight Laser Button Up Button Type K thermocouple input side USB port side DISPLAY Oy Ol ee ee NN 10 11 12 13 14 SCAN measurement in progress Bargraph Laser pointer active Power locked ON HOLD last measurement locked in display Max Min temperature display or me
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