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RDK-500B2 20K Cryocooler Series

Standard Scope of Supply

  • RDK-500B2 Cold Head
  • F-70LP/H Compressor
  • Helium Gas Lines – 20 m (66 ft.)
  • Cold Head Cable – 20 m (66 ft.)
  • Power Cable – 5 m (16.5 ft.)
  • Tool Kit

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About the RDK-500B2

The RDK-500B2 single-stage Gifford-McMahon Cryocooler is SHI’s only 20K Cryocooler, with a first-stage capacity of 45/50 W @ 20 K (50/60 Hz).  It operates with water-cooled helium compressors.


Power Supply50 Hz60 Hz
1st Stage Capacity45 W @ 20 K50 W @ 20 K
Minimum Temperature1<14 K
Cooldown Time to 20 K1<50 Minutes<45 Minutes
Weight25.0 kg (55.1 lbs.)
Dimensions (HxWxD)570 x 180 x 325 mm
(22.4 x 7.1 x 12.8 in.)
Maintenance8,760 Hours
Regulatory ComplianceCE, UL/cUL
1 Lowest temperature and cooldown time are for reference only.

Specifications subject to change without notice

Compressor Options

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