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CH-104 77K Cryocooler Series

Standard Scope of Supply

  • CH-104 Cold Head
  • F-20L, F-40L/H, F-70L/H, FA-20L or FA-40L/H 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-40L, F-70L or FA-40L
4 With F-40H, F-70H or FA-40H

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About the CH-104

The CH-104 single-stage Gifford-McMahon Cryocooler is the smaller of SHI’s CH-Series 77K Cryocoolers.  It is the single-stage version of the CH-204, with a first-stage capacity of 34/42 W @ 77 K (50/60 Hz).  It features Displex® pneumatic drive technology, limiting the number of wear parts in the refrigerator, and operates with air or water-cooled helium compressors.


Power Supply50 Hz60 Hz
1st Stage Capacity34 W @ 77 K42 W @ 77 K
Minimum Temperature1≤40 K
Cooldown Time to 77 K1<40 Minutes<30 Minutes
Weight7.9 kg (17.5 lbs.)
Dimensions (HxD)2362 x ø133 mm
(14.3 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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