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OMEGA
OS642C-LS
Infrared Thermometer
With Laser Marker
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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 with laser marker designed for 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. SAFETY INFORMATION It is recommended that you read the safety and operation instructions before using the infrared 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 use the unit where it may be exposed to corrosive or explosive gases. The unit may be damaged, or explosion may occur. • Do not keep or use this unit in an environment where it will be directly illuminated by sunshine, or where it will be exposed to high temperatures, high humidity or conden- sation. If you do, it may be deformed,
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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: 0°C to 50°C at < 70% relative humidity. Storage Temperature: -20°C to 60°C, 0 to 80% R.H. with battery removed from meter. Auto power off: 15 seconds approx. Standby consume current: <
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ELECTRICAL Temperature Range: -20°C to 260°C. Display Resolution: 1°C. Accuracy: ±3% of reading or ±3°C, whichever is greater @ 18 to 28°C ambient operating temperature. Temperature Coefficient: ±0.2% of reading or ±0.2°C, whichever is greater, change in accuracy per °C change in ambient operating temperature above 28°C or below 18°C. Response Time: 1 second. Spectral Response: 6 to 14μm nominal. Emissivity: Pre-set 0.95. Analog Output: 1mV/°C. Detection Element: Thermopile. Optical Lens: Fresna
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Spot size increases with distance from the probe tip as shown CAUTION: Use of controls or Adjustments Danger, Certification & ID Label: (Located on back of unit) or performance of Procedures other than those Specified herein may result in Hazardous radiation exposure. Aperture Label (on front): 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. Laser Marker Button Release MEAS button then press " " button to toggle between turn on and turn off the Laser Marker annunciator, If " " annunciator turn on, press MEAS button the laser marker beam is being emitted, releasing MEAS
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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 " " button to select turn on or turn off the Laser Marker. 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: Alt
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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 (electrmagnectic 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 radiation
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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
