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.
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.
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.
Release the MEASURE button. The last reading will remain locked on the display for 10 seconds after releasing the button. *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. 2.4.3 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.
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.
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.
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 Six - DX™ Specifications Target Temperature Range DX 501 -50 to 550°F (-45 to 287°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.
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EXERGEN 818526 Rev. 3 C O R P O R A T I O N 400 Pleasant Street Watertown, MA 02472 617.923.9900 FAX: 617.923.9911...
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