DX Series Operation Manual
Contents
1. 86 C Model DX 1601 LO Target lt 186 F Use DX 501 86 C or DX 1001 Other Errors Condition Error Measurement Remedy Code Fault High Ambient HI A Ambient gt 122 Move to Temperature F 50 C alternate location Low Ambient LO A Ambient lt 32 Move to Temperature F 0 C alternate location Low Battery N A Battery power Replace low battery Dead Battery Dead battery Replace battery Processing E Internal fault Repeat Error or Err measurement if error remains contact Exergen 10 5 2 5 2 Troubleshooting Measurement Difficulties If you experience measurement problems review the following troubleshooting steps Is the sensor window clean Clean the sensor window and reflective cup and repeat the measurement Is the target s surface non metallic Coat metallic surfaces with a non metallic finish and repeat the measurement Is the target s surface transparent Coat transparent surfaces with an opaque non metallic finish and repeat the measurement Alternatively put a shiny metallic surface such as aluminum foil behind the transparent target and repeat the measurement Was the instrument s nosepiece in contact with the surface Touch the nosepiece flush to the target s surface and repeat the measurement If after applying all of the above solutions the instrument s accuracy is still in question contact Exergen for further help Chapter S2. tions such as evaluating insulation monitoring machinery and inspecting electrical equipment Or the DX may be operated in the MAX mode where the highest temperature measured while monitoring is presented This manual provides complete instructions on how to operate and use your DX to provide fast accurate reliable temperature measure ments for your application needs 1 2 Product Features Designed for ease of use and measurement flexibility the DX fea tures Dual purpose AECS as well as MAK and SCAN measurement modes Measurement resolution to 0 1 F or 0 1 C Factory calibration for precise results A 10 second display reading hold Internal self test and error diagnostic codes to insure proper function 1 3 Models and Ordering Information DX 501 50 to 550 F 45 to 287 C Unit includes a 9 V DC Alkaline Battery and DX Instruction Manual Also available with a Remote Sensor and RS232 Digital Output 1 DX 1001 0 to 1000 F 18 to 538 C Unit includes a 9 V DC Alkaline Battery and DX Instruction Manual Also available with a Remote Sensor and RS232 Digital Output DX 1201 0 to 1207 F 86 to 653 C Unit includes a Remote Sensor 9 V DC Alkaline Battery and DX Instruction Manual DX 1601 0 to 1600 F 86 to 871 C Unit includes a Remote Sensor 9 V DC Alkaline Battery and DX Instruction Manual Chapter Two Operation 2 1 DX Controls Sensor Window MEASUREMENT button AECS Cup LED D
3. ture before measuring Chapter Four Maintenance The high performance DX is a rugged and durable instrument designed for long term performance reliability 4 1 Battery Replacement Open the instrument s cover to access the battery by loosening the screw on the back of the instrument Remove the old battery and replace it with one fresh 9 V alkaline battery Align the battery con tacts as indicated on the case 4 2 Cleaning The only maintenance required involves keeping the sensor window clean This window located at the base of the nosepiece s reflective cup is made of a special crystal that passes infrared heat Dirt greasy films or moisture on the window will interfere with the passage of infrared heat and affect the accuracy of the instrument If necessary clean the sensor window and reflective cup with a cotton swab dipped in alcohol Periodic cleaning is a good practice 4 3 Storage When not in use store the DX such as to protect the unit from dirt and dust Do not store the unit in areas of extreme heat cold or humidity If not using the DX for a long period remove the battery from the unit 4 4 Calibration The DX is factory calibrated under high quality standards Because there are no mechanical adjustments the instrument is able to main tain its calibration through vibration and normal use No field calibra tion is necessary Chapter Five Troubleshooting 5 1 Diagnostic Codes The high performanc
4. isser ala ees ae 8 4 3 Storage os ee edie te ea 8 4 4 Calibration 9 Chapter Five Troubleshooting 9 5 1 Diagnostic Codes 9 5 2 Troubleshooting Measurement Difficulties 11 Chapter Six DKT Specifications 11 Chapter Seven Warranty 12 Chapter One Welcome to Infrared Thermometry 1 1 Introduction Exergen Corporation the world s leading manufacturer of infrared temperature systems presents the low cost DX Series of hand held infrared thermometers These dual purpose systems function as both NIST traceable temperature calibrators and thermal scanning devices Make fast accurate and reliable temperature measurements using advanced non contact IR technology Meet your company s product quality conformance needs with the DX s patented Automatic Emissivity Compensation System AECS In this mode the unit will provide precision temperature measure ments of spot targets without knowing the target s emissivity value and without errors caused by other sources of incident radiation Since the DX is NIST traceable it can function as a primary tempera ture calibrator for other temperature measuring devices serving your corporate quality instrument calibration programs Operate the DX in SCAN mode for thermal scanning measurements over a range of tar get temperatures Thermal Scanning is very useful in many applica
5. light many visibly trans parent materials are opaque in the infrared and can be directly meas ured by the DX To test for infrared transparency touch the DX to the target s surface and pass a heat source such as your hand or a penlight through the sensor s field of view on the other side of the material 7 If the DX responds to the heat source the material is transparent in the infrared and requires marking the surface for proper measure ment Mark the surface with an opaque non metallic coating such as paint or grease Alternatively place a shiny metallic object such as aluminum foil behind the transparent material The shiny metal will reflect the tar get s heat back to the DX 3 5 Measuring Wet or Icy Surfaces Wet or icy surfaces may interfere with the DX s readings Water and other liquids are good targets but evaporation lowers their surface temperatures Frost forms on a surface at the freezing point of water Frozen foods or similar targets will form frost unless the environment is controlled If frost forms the DX will measure the temperature of the frost instead of the object s temperature Melting ice will read slightly higher than 32 F 0 C because the instrument actually measures the air condensing on the ice a reac tion that generates a small amount of heat As long as the ice is not melting the DX will accurately read its temperature To make an accurate target measurement remove any ice or mois
6. DX SERIES Handheld Infrared Thermometers User s Guide EXERGEN 51 Water Street Watertown MA 02472 Phone 617 923 9900 Fax 617 923 9911 www exergen com e mail industrial exergen com Table of Contents Chapter One Welcome to Infrared Thermometry 1 1 1 Introduction 1 1 2 Product Features 1 1 3 Models and Ordering Information 1 Chapter Two Operation 2 2 1 DX Controls 2 2 2 To Change Display Measurement Units 2 2 3 To Change Mode of Operation 3 2 4 Temperature Measurements 3 2 4 1 General Operation 3 2 4 2 Temperature Measurement of Moving Targets 3 2 4 3 High Temperature Targets 5 2 5 MAX Mode Temperature Measurements 5 2 5 1 General Operation 5 2 6 SCAN Mode Temperature Measurements 6 2 6 1 General Operation 6 Chapter Three Measurement Tips 6 3 1 Optimizing Target Area Measurements 6 3 2 Measuring Metallic Targets 6 3 3 Optimizing AESC Measurements for NIST Traceability 7 3 4 Measuring Transparent Materials 7 3 5 Measuring Wet or Icy Surfaces 8 Chapter Four Maintentance 8 4 1 Battery Replacement 8 4 2 Cleaning
7. e DX continuously monitors its ability to pro duce accurate temperature readings If either the target s tempera ture or the unit s ambient temperature exceeds the operational limits the display will default to an error message The battery voltage is also monitored A low battery is indicated by a separate error code The unit will continue to operate as long as accuracy can be assured If the battery drops below 5 7 volts the battery is considered dead and the display defaults to If the E or Err error messages are displayed the unit will not function and must be returned to the factory for repair See section on Warranty for return instruction The following charts summarize the fault condition and the associat ed indication High Target Temperature Condition Error Measurement Remedy Code Fault Model DX 501 HI Target gt 550 F Use higher 287 C DX Model DX 1001 HI Target gt 1000 Use higher F 538 C DX Model DX 1201 HI Target gt 1207 Use higher F 653 C DX Model DX 1601 HI Target gt 1600 Contact F 871 C Exergen 9 Low Target Temperature Condition Error Measurement Remedy Code Fault Model DX 501 LO Target lt 50 F Contact 45 C Exergen Model DX 1001 LO Target lt 0 F Use lower DX 18 C Model DX 1201 LO Target lt 186 F Use lower DX
8. ial heat Metallic sur faces on the other hand are poor emitters and require special treat ment before infrared thermometers can accurately measure their tem perature Fortunately that special treatment is simple and can be easily accomplished by marking the metallic surface you wish to measure with a non metallic substance such as a solid paint marker Other substances such as grease oil or tape may also be used It is only necessary to mark an area slightly larger that the DX nosepiece when operating in AECS mode When operating in MAX or SCAN modes mark the appropriate target area for the measuring distance from the target based on a 1 to 1 Field of View 3 3 Optimizing AESC Measurements for NIST Traceablity If you look at the DX s nosepiece you will see that it is really a small reflective cup with the sensor s window at its base When the DX s nosepiece touches the surface of an object that reflective cup auto matically controls what the sensor sees by eliminating variables such as target emissivity and extraneous radiation Patented by Exergen as the Automatic Emissivity Compensation System AECS this unique design ensures accurate readings every time To optimize results make sure that the nosepiece is flush with the target when possible so that the reflective cone can completely trap out any light or incident radiation from the environment 3 4 Measuring Transparent Materials Although transparent materials pass visible
9. isplay Battery Cover Screw LED Display Displays target temperature and diag nostic codes Measurement To turn on and perform temperature button measurements Nosepiece Automatic Emissitivity Compensation w AECS cup System AECS nosepiece to contact target Sensor window Sensor viewing area for IR detector 2 2 To Change Display Measurement Units The DX Models come from the factory displaying temperature in units of Fahrenheit To display readings in units of Celsius perform the fol lowing steps Remove the screw from the underside of the case Remove the cover exposing the battery area Locate the push button switch as shown in the picture With the unit off display is blank push the push button in Holding the push button in turn the unit on with the MEASURE MENT button Ore Ns The instrument now reads in C instead of F To return to the original setting simply repeat the process FPC Switch MAX SCAN Switch 2 3 To Change Mode of Operation The DX Models come from the factory operating in the MAX mode To change to the SCAN mode perform the following steps Remove the screw from the underside of the case Remove the cover exposing the battery area Locate the slide switch as shown in the picture Change the position of the slide switch from 1 to ON PONS The unit will now operate in the SCAN mode ON gt SCAN 1 gt MAX 2 4 Temperature Measurements 2 4 1 Gene
10. ix DX Specifications Target Temperature Range DX 501 50 to 550 F 45 to 287 C DX 1001 0 to 1000 C 18 to 538 C DX 1201 186 to 1207 F 86 to 653 C DX 1601 186 to 1600 F 86 to 871 C Linearity Error DX 501 1 of reading DX 1001 3 of reading DX 1201 3 of reading DX 1601 3 of reading Emissivity Error 1 of max difference between target temperature and instrument temperature when touching for emissivity of 0 8 to 1 0 Minimum spot size diameter Approx 1 4 6 4 mm Repeatability 0 1 F C NIST Traceablity In AECS Mode 11 Display Resolution 0 1 F or 0 1 C Display Update 10 times second Measurement Response Time Approximately 0 1 seconds Field of View 1 1 0 63 15 9 mm Diameter Spot Area in AECS Mode Spectral Sensitivity 2 to 20 microns Battery One 9 volt Battery Life 5000 readings 10 seconds each Instrument Ambient Temperature Operating Range 32 to 122 F 0 to 50 C Storage Range 22 to 140 F 30 to 60 C Extended storage at temperature extremes will reduce battery life Chapter Seven Warranty Exergen warrants the DX to be free of defects in material and workman ship for a period of one year from the date of purchase and will repair or replace the returned instrument at no charge during the period No other warranties are implied If repair is required Contact the factory for a Return Material Authorization RMA Number Mark the RMA n
11. of everything within the sensor s field of view measurement area The size of the measuring area depends on the distance of the device from the target The DX has a 1 1 field of view which means that this unit will measure a 1 diameter target area when the device is 1 from the target 2 5 1 General Operation For continuous temperature measurement of a target or for tempera ture measurement at a distance use the following procedure 1 Determine the appropriate measurement distance from your desired target Best measurements are made when the AECS cup is in contact with the target Make sure the MODE switch is on MAX Point the nosepiece at the target Press and hold the MEASURE button Record the temperature from the display Release the MEASURE button The last reading will remain locked on the display for 10 seconds after releasing the button ua 2 6 SCAN Mode Temperature Measurements Use this measurement mode for thermal scanning of a target or when measuring targets located at a distance The DX is a wide angle ther mal scanner with a fixed emissivity of 0 9 The target s temperature is continuously displayed and updated 10 times per second for as long as you hold the MEASURE button down The DX displays the average temperature of everything within the sensor s field of view measurement area The size of the measuring area depends on the distance of the device from the target The DX has a 1 1 field of view which means
12. r may not change but the beeping sound will indicate that measurements are being made 5 Record the temperature from the display 6 Release the MEASURE button The last reading will remain locked on the display for 10 seconds after releasing the button If the surface is metallic be sure to mark it as described in the Measurement Tips section in Chapter Three 2 4 3 High Temperature Targets When using the DX to measure high temperature targets above 100 F quickly touch the target s surface one second is long enough to get an accurate reading Follow the procedures described above under 2 4 1 General Operation see pg 5 If the DX makes contact with a hot surface for an extended time 10 seconds or more the target will conduct heat Although this will not harm the unit the indicated temperature may be a few degrees too high Allow a few minutes between readings for the nosepiece to cool down and stabilize If the DX makes contact with a hot surface and an error message HI shows on the display remove the instrument from the object immediately 2 5 MAX Mode Temperature Measurements Use this measurement mode when making contact with the target or when the target is large The DX is a wide angle thermal scanner with a fixed emissivity of 0 9 The target s temperature is continuous ly displayed and updated 10 times per second for as long as you hold the MEASURE button down The DX displays the average temperature
13. ral Operation CAUTION SHOCK HAZARD DO NOT TOUCH THE INSTRUMENT TO ELECTRICAL CONDUCTORS The DX measures temperature very quickly To obtain an accurate measurement it is only necessary to touch the surface for a fraction of a second For exact surface temperature measurements that are NIST traceable use the following procedure Press and hold the MEASURE button The display will briefly show 8888 Touch the nosepiece to the target surface The display may or may not change but the beeping sound will indicate that measurements are being made Record the temperature from the display Release the MEASURE button The last reading will remain locked on the display for 10 seconds after releasing the button PON gt aa If the target is electrical equipment Exergen manufactures the Model E Microscanner instruments for safe and convenient inspection of electrical equipment Contact Exergen for more information on the Model E line of instruments and electrical inspection If the surface is metallic be sure to mark it as described in the Measurement Tips section in Chapter Three 2 4 2 Temperature Measurement of Moving Targets To measure moving targets that are not possible to touch use the fol lowing procedure 1 Press and hold the MEASURE button 2 The display will briefly show 8888 3 Bring the nosepiece as close as possible to the target preferably within 1 32 inch 1 mm 4 The display may o
14. that this unit will measure a 1 diameter target area when the device is 1 from the target 2 6 1 General Operation For continuous temperature measurement of a target or for tempera ture measurement at a distance use the following procedure 1 Determine the appropriate measurement distance from your desired target Make sure the MODE switch is on SCAN Point the nosepiece at the target Press and hold the MEASURE button Record the temperature from the display Release the MEASURE button The last reading will remain locked on the display for 10 seconds after releasing the button DARN Chapter Three Measurement Tips 3 1 Optimizing Target Area Measurements When performing a continuous thermal scan of a target or measuring a target located at a distance proper target alignment will help assure accurate results Since the DX s sensor measurement area is fixed at a field of view of 1 to 1 it is important to properly determine the best measuring distance from the target to optimize the reading A field of view of 1 to 1 means that the DX s viewing area is 1 diameter for 1 distance from target Optimize optical alignment so that the DX views only the target and does not exceed the measurement area See Figure below for examples of proper optical alignment POOR POOR GOOD 3 2 Measuring Metallic Targets In general infrared thermometers can easily measure non metallic surfaces because they emit most of their potent
15. umber on both the shipping box and the packing slip Include a description of the unit s problem Ship the instrument prepaid Exergen will return ship prepaid After you have received an RMA Number send to EXERGEN CORPORATION Repair Department RMA 51 Water Street Watertown MA 02472 12 EXERGEN 818526 Rev 2 CORPORATION 51 Water Street Watertown MA 02472 617 923 9900 FAX 617 923 9911
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