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OMEGA
OS643E-LS/OS643E
Infrared Thermometer
With Laser Sighting
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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 to use 3 digit, compact-sized digital infrared thermometer with laser sighting designed for simple one hand operation. Meter comes with Backlit LCD display, Auto-hold function and auto power down (20 seconds approx.) 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 opera
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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. Low battery indication: the " " is displayed when the battery voltage drops below the operating level. Measurement rate: 1 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: 20 seconds. Standby consuming current: <9mA. Battery:
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Laser Specifications Laser safety classification of Class II Wave Lenght: Red (650nm). Operating Distance: 2 to 50 feet. Power out: <1mW , class II laser product. ELECTRICAL Temperature Range: -4°F to 1022°F / -20°C to 550°C. Display Resolution: 1°F / 1°C. Accuracy: ±2% 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
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Spot size increases with distance from the probe tip as shown (Spot Diameter measured at 90 % Energy) 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 Auto Power-down function If unused for about 20 seconds, the unit will power-down automatically. Press MEAS button resumes power-on mode. SET MODE disables auto power-down feature. Turning the Power on When the power is down, press MEAS button to turn on the meter. The values and settings on the LCD return to what they were before the power was last turned off. NOTE: If, from the power down condition, the MEAS button is held down for more than four second, measurement star
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Laser Sighting Press " " button to on the " " annunciator. If " " annunciator is on, press MEAS button and the laser beam will turn on and " " annunciator will blink. Releasing MEAS button turns off the laser beam. MEAS (MEASURE) Button Press 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 power down automatically after 20 seconds. Selecting the Temperature Scale Readings are dis
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Continuous Measurement 1. In the power down mode, holding the MODE key down and then pressing the MEAS key will put the unit into the continuous measurement mode. 2. When the MEAS key is pressed again to stop measuring temperature and automatically hold the display reading, the meter power down automatically after 20 seconds. NOTE: During the continuous measurement mode, the HOLD indication does not appear. NOTE: During the continuous measurement mode, the laser sighting is not turned on. 8
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MODE SELECTION AND OPERATION Press MODE button switches the mode around the cycle e ® ALM Hi ® ALM Lo ® MAX ® MIN ® HOLD. HOLD :Releasing MEAS button stops measuring temperature, the HOLD indication appears, and the measured temperature is held. e :The thermal emissivity of the object set using the ▲ and ▼ keys. ALM Hi :The upper limit alarm temperature is set using the ▲ and ▼ keys. When the measured temperature is exceeded the Hi setpoint, the beeper emits a discontinuous pulse tone and "ALM H
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NOTE: If, from the power down condition, the MEAS key is held down for more than four second, MAX/MIN record starts. SET MODE & Numeric input key "SET" annunciator appears when a numerical value can be set (during setting of e, ALM Hi and ALM Lo). ▲ key :The numerical value is increased. ▼ key :The numerical value is reduced. If either of these numerical value keys is held down, the numerical value changes rapidly in the appropriate direction. The data will store in nonvolatile storage region wh
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How to specify the thermal emissivity ( eeeee ) 1. Stick black body tape on the object whose temperature is to be measured, or spray it with black body spray. 2. Set the thermal emissivity value (e) on the LCD to 0.95. 3. Press the MEAS key, so as to measure the temperature (Treal) of the part on which body tape (or black body spray) is applied. 4. Measure the temperature (T) of the parts to which body tape (or black body spray) is not applied. 5. Change the thermal emissivity value (e). 6. The
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OPERATION 1. When the power is down, pressing 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 beam. 4. Press the MODE button, if necessary to set the thermal emissivity value (e). 5. Point the lens at the object whose temperature is to be measured. 6. Press the MEAS button. Measurement is performed as long as the MEAS button is kept pressed. 7. Referring to the spot size figure, aim
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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 (electromagnetic 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. 15
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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
