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The Gemini R 550 Portable Blackbody Calibration Source allows for calibration of noncontact infrared thermometers over the temperature range 30°C to 550°C. It is suitable for use as a primary radiation source for infrared thermometers.

Laboratory performance and low uncertainty calibrations are ensured by the combination by high emissivity and excellent temperature uniformity.

The digital temperature controller allows the block temperature to bet set to any value from 30°C to 550°C. Traceability of the radiance temperature is established by a separate, built-in temperature indicator and included platinum resistance thermometer.

A three point traceable calibration certificate is included. UKAS calibration of the resistance thermometer is available, as is radiometric calibration.

Uniformity of the block is ensured by using distributed heating technology.

For the smallest of uncertainties the Gemini R may be used with Isotech ITS-90 Fixed Point Cells, Gallium 29.7646°C, Indium 156.5985°C, Tin 231.928°C and Zinc 419.527°C. The cells are provided with a certificate of metal purity.

Technical FeatureValue
Model976
Temperature Range30°C to 550.0°C
EmissivityGreater than 0.995
Stability±0.1°C
Display Resolution0.01°C to 99.99; 0.1°C from 100 to 550
Heating Time45 minutes
Aperture Diameter65mm
Cavity Depth160mm
PC InterfaceIncluded
Power1000 Watts typical
Voltage100-130 or 208-240 Vac 50/60Hz
DimensionsHeight 310mm Width 265mm Depth 200mm
Weight10kg
OptionsFixed Point Cell: Gallium Hockey Puck Cell -431-03-00 Indium Hockey Puck Cell -976-05-00A Tin Hockey Puck Cell -976-05-00B Zinc Hockey Puck Cell -976-05-00C Orfice Plates 10, 20, 30, 40, 50mm -976-01-05 (Restricts Cavity Aperture) Carrying Case -931-22-64
How to orderModel 976 Gemini R: State Supply Voltage. Please state any special calibration requirements.

Gemini R Model 976

30°C to 550°C

The Gemini R 550 Portable Blackbody Calibration Source allows for calibration of non-contact infrared thermometers over the temperature range 30°C to 550°C. It is suitable for use as a primary radiation source for infrared thermometers.

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