Products

4 Kelvin Closed Cycle Refrigerator Systems from Janis and SHI

Sumitomo (SHI) 6 K Refrigerator - RDK-408S

Overview

With a minimum temperature below 6 K, the RDK-408S is primarily noted for its high cooling power and modest cost. A conventional lead regenerator offers a unique combination of power, reliability, and affordability. (Please see our Compressors page for more information.)

Standard Configuration

With a minimum temperature below 6 K, the RDK-408S is primarily noted for its high cooling power and modest cost. A conventional lead regenerator offers a unique combination of power, reliability, and affordability. (Please see our Compressors page for more information.)

Click button to enlarge view of mechanical drawing for RDK-408S 6 Kelvin cryocooler, Sumitomo, SHI, Janis ResearchEnlarge

RDK-408S Mechanical Drawing

Characteristics:

  • Larger Capacity of 6.5 W @ 10 K
  • Orientation Independent
  • Push-button Operation

Please click here to download the RDK-408S typical load map (16 KB).

The downloaded file will be in PDF format which is viewable and printable with Acrobat Reader, a free plug-in utility from Adobe. To download the free acrobat plug-in software click here.

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Specifications

COLD HEAD MODEL RDK-408S

Refrigeration Cycle Modified Gifford-McMahon
Refrigeration Capacity
(Vertical Position)
50 Hz 1st stage: 30 W @ 45 K
2nd stage: 5.4 W @ 10 K
60 Hz 1st stage: 35 W @ 45 K
2nd stage: 6.3 W @ 10 K
Orientation Any - Capacity Loss: Max 15%
Weight Approximately 15 kg
Dimension 180D x 294L x 520H (mm)
Maintenance Interval 10,000 Hours
Flexline Length 6m
Flexline Weight 5 kg per line
Compatible Compressor Unit Model CSA-71A, F-50L, F-50H

Specifications subject to change without notice.

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