GM (Gifford-McMahon)


10K Cryocooler Series
The CH-202 two-stage Gifford-McMahon Cryocooler is SHI’s smallest 10K Cryocooler, with a second-stage capacity of 1.8/2.2 W @ 20 K (50/60 Hz). It features Displex® pneumatic drive technology, limiting the number of wear parts in the refrigerator, and operates with a water or air-cooled helium compressor.

Our original pneumatic drive, which limits the number of wear parts in the refrigerator, combined with state-of-the-art design features, results in superior performance and low maintenance costs. Select models also feature Whisper® technology for quieter operation. SHI’s 10K Cryocoolers have proven reliability in thousands of applications, including MRI, cryopumping, research and other custom low temperature applications.

Standard Scope of Supply

  • CH-202 Cold Head
  • F-20L or FA-20L Compressor
  • Helium Gas Lines – 3-25 m (10-82 ft.)
  • Cold Head Cable – 3.5-15 m (11-50 ft.)
  • Power Cable – 3 m (10 ft.)
  • Tool Kit