Cryogenic Solutions and IR Instruments for Research
 
+1 (520) 622-7074  |  infrared@irlabs.com

Open Cycle Dewars
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
  Helium
 Helium Nitrogen
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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* with HDL-5 and Custom Dewars