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RDK-408D2 4K Cryocooler Series

Standard Scope of Supply

  • RDK-408D2 Cold Head
  • F-50L/H, F-70L/H, CSA-71A or FA-70L/H Compressor
  • Helium Gas Lines – 6 m (20 ft.)1,2,3,4; or 10 m (33 ft.) [IDU] + 10 m (33 ft.), 20 m (66 ft.) or 30 m (99 ft.) [ODU]5
  • Cold Head Cable –6-20 m (20-66 ft.)
  • Power Cable – 5 m (16.5 ft.)1,4; 3-6 m (10-20 ft.)2; 2-8 m (6-27 ft.)3; or 5 m (16.5 ft.) [IDU] + 10 m (33 ft.), 20 m (66 ft.) or 30 m (99 ft.) [ODU]5
  • Hose Nipples1
  • Tool Kit

1 With F-50
2 With F-70L
3 With F-70H
4 With CSA-71A
5 With FA-70

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About the RDK-408D2

The RDK-408D2 two-stage Gifford-McMahon Cryocooler is one of SHI’s mid-capacity 4K Cryocoolers, with a second-stage capacity of 1.0 W @ 4.2 K (50/60 Hz).  It operates with both air and water-cooled helium compressors.

Specifications

Power Supply50 Hz60 Hz
2nd Stage Capacity1.0 W @ 4.2 K
1st Stage Capacity40 W @ 43 K50 W @ 43 K
Minimum Temperature1<3.5 K
Cooldown Time to 4.2 K1<60 Minutes
Weight18.0 kg (39.7 lbs.)
Dimensions (HxWxD)557 x 180 x 294 mm
(21.9 x 7.1 x 11.6 in.)
Maintenance10,000 Hours
Regulatory ComplianceUL/CE, RoHS
1 Lowest temperature and cooldown time are for reference only.

Specifications subject to change without notice

Compressor Options

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