The Gemini R is a blackbody 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.
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.
A compact furnace for calibrating radiation pyrometers, the Pegasus R sets the temperature of the furnace on a controller while an independent indicator, whose sensor is built into the furnace’s cavity, indicates the actual radiance temperature. The cavity’s diameter is 0.8" (20mm). The depth is 2.6" (65mm). The emissivity is 0.995. The cavity is removable and a fixed-point cell may be put in its place.
A Blackbody Target Radiation Source is housed within the Pegasus R for the calibration of radiation thermometers in the wavelength range of 9 to 14 micrometers. Incorporating suitable insulation within its design, this radiation source’s aperture is 0.4" (10mm) in diameter. A scan across the aperture at 444ºC demonstrates the source is uniform to better than 0.3ºC. Traceability may be established with a NIST certificate for the built-in indicator and supplied probe.
The Pegasus R’s temperature range is 150ºC to 1200ºC and it has a stability of 0.1ºC. Time to temperature is 20 minutes. It weighs only 15 lb. and is easily carried in the field for on-site use. The Pegasus R can be supplied with either RS232 or RS422 communications.
Features
Medium & High Temperature Radiation Pyrometer Primary Source
0.995 Emissivity
Accepts Fixed Point Cells
NIST Certificate for the built-in Indicator and supplied probe
SPECIFICATIONS
Model
GR
PR
Temperature Range
50 to 550°C (122 to 1022°F)
150 to 1200°C (302 to 2192°F)
Emissivity
Greater than 0.995
0.995
Stability
±0.1°C
±0.1°C (±.18°F)
Display Resolution
0.1°C
1°C
Cavity Size
2.5" Ø x 6.3" deep (65mm Ø x 160mm)
.8" Ø x 2.6" deep (20mm Ø x 65mm)
Time to Temperature
45 minutes
20 minutes
Power
1000 watts typical, 100-130 or 208-240V AC, 50/60Hz
2.3kW typical, 100-130 or 208-240V AC, 50/60Hz
Dimensions
12.2" x 10.4" x 7.9"
12.3" x 10.5" x 8"
Weight
22 lb.
15 lb.
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
TT60100
Pegasus-R
High Temperature Black-Body Calibrator including standard probe
Yes
14,412,600
TT60101
Gemini-R
Radiation Calibrator including standard probe
Yes
10,208,160
TT60102
Gemini-R-INS-FG
OPTIONAL Gallium Hockey Puck Cell FOR Infrared Thermometer Calibrators
Yes
4,590,000
TT60103
Gemini-R-INS-FI
OPTIONAL Indium Hockey Puck Cell FOR Infrared Thermometer Calibrators
Yes
4,590,000
TT60104
Gemini-R-INS-FZ
OPTIONAL Zinc Hockey Puck Cell FOR Infrared Thermometer Calibrators
Yes
4,590,000
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