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RD-125D 77K Cryocooler Series

Standard Scope of Supply

  • RD-125D Cold Head
  • CNA-11 Compressor
  • Helium Gas Lines – 7 m (23 ft.)
  • Cold Head Cable – 3-6 m (10-20 ft.)
  • Power Cable – 5 m (16.5 ft.)
  • Tool Kit

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About the RD-125D

The RD-125D single-stage Gifford-McMahon Cryocooler is SHI’s smallest 77K Cryocooler, with a first-stage capacity of 30 W @ 77 K (50/60 Hz).  It operates with an air-cooled helium compressor.


Power Supply50 Hz60 Hz
1st Stage Capacity30 W @ 77 K
Minimum Temperature1<30 K
Cooldown Time to 77 K1<25 Minutes
Weight15.0 kg (33.1 lbs.)
Dimensions (HxWxD)345 x 140 x 301 mm
(13.6 x 5.5 x 11.9 in.)
Maintenance10,000 Hours
Regulatory ComplianceCE, UL, RoHS
1 Lowest temperature and cooldown time are for reference only.

Specifications subject to change without notice

Compressor Options

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