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CH-204 10K Cryocooler Series

Standard Scope of Supply

  • CH-204 Cold Head
  • F-20L, F-70L/H or FA-20L Compressor1
  • Helium Gas Lines – 3-25 m (10-82 ft.)
  • Cold Head Cable – 3.5-15 m (11-50 ft.)2 or 3-20 m (10-66 ft.)3,4
  • Power Cable – 3 m (10 ft.)2, 3-6 m (10-20 ft.)3 or 2-8 m (6-27 ft.)4
  • Tool Kit

1 Up to two (2) cold heads can be operated with the F-70 Compressor.
2 With F-20L or FA-20L
3 With F-70L
4 With F-70H

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About the CH-204

The CH-204 two-stage Gifford-McMahon Cryocooler is one of SHI’s smaller-capacity 10K Cryocoolers, with a second-stage capacity of 7.5/9.0 W @ 20 K (50/60 Hz). It features Displex® pneumatic drive technology, limiting the number of wear parts in the refrigerator, and operates with water or air-cooled helium compressors.


Power Supply50 Hz60 Hz
2nd Stage Capacity7.5 W @ 20 K9.0 W @ 20 K
1st Stage Capacity13.5 W @ 80 K16.2 W @ 80 K
Minimum Temperature110 K
Cooldown Time to 20 K135 Minutes30 Minutes
Weight7.8 kg (17.2 lbs.)
Dimensions (HxD)2468 x ø133 mm
(18.4 x ø5.3 in.)
Maintenance13,000 Hours
Regulatory ComplianceCE
1 Lowest temperature and cooldown time are for reference only.
2 With standard flat warm flange. (Available in other warm flange interfaces.)

Specifications subject to change without notice

Compressor Options

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