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Cryogenic Solutions and IR Instruments for Research +1 (520) 622-7074 | infrared@irlabs.com Open Cycle Dewars |
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Open Cycle Dewars
We offer helium dewars and nitrogen dewars. All systems are equipped with an evacuation valve, one of more cryogen fill tubes, and a pumping for lowering the vapor pressure of the cryogenic bath, and can accommodate numerous modifications.
Dewar Characteristics: HDL Series, HDV Series and ND Series
* with HDL-5 and Custom Dewars
We offer helium dewars and nitrogen dewars. All systems are equipped with an evacuation valve, one of more cryogen fill tubes, and a pumping for lowering the vapor pressure of the cryogenic bath, and can accommodate numerous modifications.
Dewar Characteristics: HDL Series, HDV Series and ND Series
| Helium |
Helium | Nitrogen |
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| Series Name |
HDL | HDV |
ND |
| Operating Temp (K) with vapor pressure = 1 ATM |
4.2 |
4.2 | 77 |
| Operating Temp (K) with vapor pressure < 1 ATM (Standard configuration) |
1.6 | 1.8 | 63 |
| Operating Temp (K) with
vapor pressure < 1 ATM (Low temperature modifcation) |
1.2* | -- | 50 |
| Diameters of cold work surface (inches) |
5, ,8, 10, 12, 14 |
3, 5, 8, 10, 12, 14 |
3, 5, 8, 10, 12, 14 |
| Vapor cooled radiation shield |
-- | Yes | Yes |
| Liquid cooled ration shield |
Yes | -- | -- |
| More... | More... |
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