Manual do usuário UEi INF200

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INSTRUCTION MANUAL
INF200
1-800-547-5740 • Fax: (503) 643-6322
www.ueitest.com • email: info@ueitest.com

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Introduction International Symbols The INF 10 0 / 200 non-contact infrared thermometer provides a faster, easier way to take diagnostic temperature measurements. Monitor the t e m p e rature of transformers, circuit breaker panels, motors and bearings, supply and return registers, ducts, inlet/outlet steam lines, furnace flues and many other surfaces. Use the INF 200 when diagnosing tempera t u r e problems to save time and reduce the risk of burns and injuries. Features include • Switchable ˚

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Backlight Operation Operating Instructions To toggle the backlight on or off, press the push-button with the Taking Measurement Samples backlight “ “ symbol while the trigger is pulled. Once the backlight To take temperature measurements, point the instrument at the surface has been turned on, it will come on each time the trigger is pulled until to be measured and pull the trigger. A tube has been incorporated it is toggled off. Please note that this feature significantly reduces the al

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Validation Recalling Memory Points NOTE: Always validate your instrument’s accuracy each time it is put With each pull of the trigger, four values are recorded in memory. into service. • The highest temperature measured The term validation, as we use it here, is the method used to verify the • The lowest temperature measured measurement you are taking is accurate. Emissivity is a value, referring • The average temperature (time weighted) to the surface you are targeting, that relates to that sur

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You’re now ready to adjust the alarm’s threshold value, displayed on the M a i n t e n a n c e LCD. To decrease the value press the “˚F/˚C/▼” push-button. To increase this value, press the “ /▲“ push-button. To lock this value Service in, once again, press the “MODE” push-button again. The alarm settings (whatever is displayed at the time) are instantly WARNING! saved if, at any time during the alarm setting process, the instrument Repair and service of this instrument is to be performed b

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S p e c i f i c a t i o n s Emissivity Va l u e s Temperature range 0 to 788˚F (-20 to 420˚C) Typical Emissivity Values - Metals Accuracy ±2% of rdg. or ±3˚F (±2˚C), whichever is greater @ Surface Emissivity 73 ±9˚F (23 ±5˚C) ambient operating temperature Iron and Steel and a known blackbody emissivity Cast iron (polished) 0.2 Repeatability ±1% of rdg. or ±2˚F (±1˚C) whichever is greater Cast iron (turned at 100˚C) 0.45 Response time 500 m sec. (95% response) Cast iron (turned at 1000˚C) 0.6 to

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Emissivity Va l u e s Typical Emissivity Values - Non-Metals Surface Emissivity Refractory & Building Materials Red brick 0.75 to 0.9 Fire clay 0.75 Asbestos 0.95 Concrete 0.7 Marble 0.9 Carborundum 0.85 Plaster 0.9 Alumina (fine grain) 0.25 Alumina (coarse grain) 0.45 Silica (fine grain) 0.4 Silica (coarse grain) 0.55 Zirconium silicate up to 500˚C 0.85 Zirconium silicate at 850˚C 0.6 Quartz (rough) 0.9 Carbon (graphite) 0.75 Carbon (soot) 0.95 Timber (various) 0.8 to 0.9 Miscellaneous Enamel (

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INF200 Infrared Thermometer Limited Warranty The INF 200 is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If within the warra n ty period your instrument should become inoperative from such defects, the unit will be repaired or replaced at UEi’s option. This warra n ty covers normal use and does not cover damage which occurs in shipment or failure which results from alteration, tampering, accident, misuse, abuse, neglect or im