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OMEGA
OS643
Infrared Thermometer
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TM omega.com SM OMEGAnet On-Line Service Internet e-mail http://www.omega.com info@omega.com Servicing North America: For immediate technical or application assistance: USA: ISO 9001 Certified Canada: USA and Canada: Mexico and Latin America: SM SM One Omega Drive, Box 4047 976 Bergar Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA Tel: (95) 800-TC-OMEGA SM Stamford, CT 06907-0047 Laval (Quebec) H7L5A1 Customer Service: 1-800-622-2378 / 1-800-622-BEST FAX: (95) 203-359-7807 SM Tel: (203) 359-1660
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INTRODUCTION This instrument is a portable easy use 3½ digit, compact-sized digital infrared thermometer simple one hand operation. Meter with Backlit LCD display, Auto- hold function and auto power off (15 seconds approx.) feature after releasing MEAS button to extend battery life and with analog signal output function. SAFETY INFORMATION It is recommended that you read the safety and operation instructions before using the thermometer. The symbol on the instrument indicates that the operator
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CAUTION • Do not use the unit near any device which generates strong electromagnetic radiation or near a static electrical charge, as these may cause errors. • Do not point the lens at the sun or at any other source of strong light. If you do, the sensor may be damaged. • Do not contact the lens against the object whose temperature is to be measured, or get it dirty, allow it to be scratched, or allow any foreign material to adhere to it. Doing so may cause errors. • Do not touch or hold by th
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SPECIFICATIONS GENERAL Display: 3½ digit liquid crystal display (LCD) with maximum reading of 1999. Overrange: (OL) or (-OL) is displayed. Low battery indication: the " " is displayed when the battery voltage drops below the operating level. Measurement rate: 2.5 times per second, nominal. Operating Environment: 32°F to 122°F (0°C to 50°C) at < 70% relative humidity. Storage Temperature: 40°F to 140°F (-20°C to 60°C), 0 to 80% R.H. with battery removed from meter. Auto power off: 15 seconds ap
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ELECTRICAL Temperature Range: 0°F to 500°F / -20°C to 260°C. Display Resolution: 1°F / 1°C. Accuracy: ±3% 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: ±0.2% of reading or ±0.36°F/0.2°C, whichever is greater, change in accuracy per °F/°C change in ambient operating tempera- ture above 82.4°F/28°C or below 64.4°F/18°C. Response Time: 1 second. Spectral Response: 6 to 14μm nominal. Emissivity: Pre-set 0.95. Anal
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Spot size increases with distance from the probe tip as shown 5
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OPERATING INSTRUCTIONS Push buttons Display Back-Light Button Release MEAS button then press " " button to toggle between turn on and turn off the Back-Light. When releasing MEAS button Back-Light will turn off auto- matically after 15 seconds to extend battery life. MEAS (MEASURE) Button Depress MEAS button to turn on the meter for measuring temperature. Releasing MEAS button to stop measuring temperature and automatically hold the display reading, the meter turns off automatically after 15 se
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OPERATION 1. When the power is off, pressing the MEAS button turns on the power. 2. Use " " button to select turn on or turn off the display Back-Light. 3. Use "°F/°C" button to select °F or °C the Temperature Range. 4. Point the lens at the object whose temperature is to be measured. 5. Press the MEAS button. Measurement is performed as long as the MEAS button is kept pressed. 6. Referring to the spot size figure, aim the laser beam at the object whose temperature is to be measured. NOTE: Altho
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MEASUREMENT CONSIDERATIONS 1. Theory of Measurement Every object emits infrared energy in accordance with its temperature. By measuring the amount of this radiant energy, it is possible to determine the temperature of the emitting object. 2. About Infrared Infrared radiation is a form of light (electromagnectic radiation), and has the property that it, passes easily through air while it is easily absorbed by solid matter. With an emission thermometer which operates by detecting infrared radiatio
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4. Emissivity All objects emit invisible infrared energy. The amount of energy emitted is proportional to the object's temperature and its ability to emit IR energy. This ability, called emissivity, is based upon the material that the object is made of 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, which cover 90% of typical applications. 5. If the surface to the measured is covered by frost o
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MAINTENANCE Battery Replacement Power is supplied by four 1.5V (AAA size) batteries. The " " appears on the LCD display when replacement is needed.To replace the batteries, remove the screw from the back of the meter and lift off the battery cover case. Remove the batteries from battery contacts. Cleaning Periodically wipe the case with a damp cloth and detergent, do not use abrasives or solvents. 10
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Substance Thermal Substance Thermal emissivity emissivity Asphalt 0.90 to 0.98 Cloth (black) 0.98 Concrete 0.94 Human skin 0.98 Cement 0.96 Lather 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 (matt) 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 oxides 0.81 Plaster 0.80 to 0.90 Copper oxides 0.78 Mortar 0.89 to 0
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WARRANTY OMEGA warrants this unit to be free of defects in materials and workmanship and to give satisfactory service for a period of 13 months from date of purchase. OMEGA Warranty adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA's customers receive maximum coverage on each product. If the unit should malfunction, it must be returned to the factory for evaluation. OMEGA's Customer Service Depar
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It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certification of its products to the European New Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification. The information contained in this document is believed to be correct but OMEGA Engineering, Inc. accepts no liability for any errors it contains, and reserves the right to alter specifications without notice. WARNING: These pro
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Where Do I Find Everything I Need for Process Measurement and Control? OMEGA...Of Course! HEATERS TEMPERATURE pH/CONDUCTIVITY þ Heating Cable þ Thermocouple, RTD & Thermistor þ pH Electrodes, Testers & þ Cartridge & Strip Heaters Probes, Connectors, Panels & Accessories þ Immersion & Band Heaters Assemblies þ Benchtop/Laboratory Meters þ Flexible Heaters þ Wire: Thermocouple, RTD & þ Controllers, Calibrators, þ Laboratory Heaters Thermistor Simulators & Pumps þ Calibrators & Ice Point References
