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RADIATION PYROMETER CALIBRATOR
Gemini R 976 Blackbody Radiation Source Pyrometers Calibrator range  50ºC to 550ºC

Gemini R 976 Blackbody Calibrator radiation source.
Calibration of Radiation Pyrometers: 50ºC to 550ºC
The Gemini R is a blackbody calibrator source with which radiation pyrometers, commonly referred to as IR sensors, can be calibrated. With a temperature range of 50ºC to 550ºC, the temperature of the cavity can be set with 0.1ºC resolution. 
The temperature of the furnace is set and indicated on a PID controller. 
An independent indicator is also provided for higher accuracy with a standard probe, which indicates the actual radiance temperature. 
Temperature variation over a 5-minute period, as viewed on the temperature controller, is ±0.2ºC and a radiation thermometer directed into the cavity detects similar variations.

GEMINI R - Medium Temperature Blackbody Calibrator
Blackbody Calibrator
  • Medium-Temperature Blackbody Source

  • 65mm Cavity Diameter

  • 0.995 Emissivity

  • Portable

  • Accepts Fixed-Point Cells

The Gemini R’s cavity’s size is 2.5” Ø x 6.3” deep (65mm x 160mm). 
Maximum temperature differences are ±1ºC in the range of 100ºC to 500ºC. 
The Gemini R is capable of accepting blackbody fixed points to achieve the highest level of a radiation measurement possible. 
Typical fixed-point uncertainties are ±0.25ºC. Gallium, indium, tin and zinc cells are available.

Emissivity is greater than 0.995, and traceability may be established with a NIST certificate
for the built-in indicator and/or supplied probe. 
The Gemini R can be supplied with RS232 or RS422 communications.

Model 976
Temperature Range 30°C to 550°C
Accuracy ±2°C
Emissivity Greater than 0.995
Stability ±0.2°C
Display Resolution

0.01°C to 99.99; 0.1°C
from 100.0 to 550.0

Cavity Size

65mm diameter, 160mm deep 

Time to Temperature 45 minutes
Power

1000 Watts typical 110 VAC ±10%

Dimensions 310mm x 265mm x 200mm (HxWxD)
Weight 22 lbs. (10kg)

Please email sales@hotektech.com or call 253-927-6186 if you are interested in a purchase, or
  need additional information.

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