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Vacuum low-temperature blackbody radiation source
Vacuum low-temperature blackbody radiation source
Product details
RussiaVNIIOFIThe vacuum low-temperature blackbody radiation source series was developed by the All Russian Institute of Optical Physics Measurement, a technical control and metrology department of the Russian Federation. At present, it has been applied in multiple national metrology institutes and has received widespread praise from users.
The vacuum low-temperature blackbody radiation source series has high stability and a wide range of models, with temperatures as low as 80K. For specific models, please contact York Company.
Product Features
- ★ Large caliber: 100mm diameter
- ★ High stability performance
- ★ High emissivity: 0.997
- Under vacuum conditions, the temperature can reach -60 degrees Celsius°C
Product parameters
|
model |
BB100-V1 |
|
temperature range |
-60°C～90 °C- Vacuum environment (-50～90)°C- Inert gas or dry gas blowing |
|
Opening aperture |
100mm |
|
Diameter of cavity |
120mm |
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Radiation cavity material |
copper |
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Temperature gradient along the cavity |
≤ ± 0.1°C |
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Temperature instability |
≤± 0.05°C |
|
temperature control |
Through an external constant temperature cycler |
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effective emissivity |
0.997(1.5～15μm) |
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All temperature sensors |
5 platinum resistors (100 Ω) |
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Temperature measurement based on KEITHLEY 2000 (or Agilent 34660) digital meter and multi-channel amplifier |
|
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5 calibrated PRT100 temperature sensors are used for temperature monitoring (2 placed along the cavity and 3 placed at the bottom of the cavity). |
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|
|
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Low temperature blackbody radiation source
|
model |
BB80/350 |
|
|
temperature range |
220—350K |
|
|
Additional set points |
313K |
|
|
Working aperture |
350mm |
|
|
spectral range |
2.5—15μm |
|
|
emissivity |
0.96±0.02 |
|
|
Uncertainty @ 280-300K |
±0.1K |
|
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Repeatability @ 300K |
0.5K |
|
|
10 minute stability |
5K |
|
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Continuous running time |
8 hours |
|
|
work environment |
indoors |
Dry nitrogen atmosphere Standard Pressure Environmental temperature: 0-30°C |
|
vacuum chamber |
P=10-5—10-8Torr Environmental temperature: 77K |
|
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