Sumitomo (SHI) 4 K Refrigerator
RDK-415D |
1.5 Watt @ 4.2 K
|
| These systems provide
1.5 Watts of cooling at a temperature of 4.2 K at the second stage and can reach
a minimum temperature of 3 K (with no parasitic or experimental heat loads).
Compact water- or air-cooled compressors and 20-meter long flexible gas
lines complete the refrigerator package. (Please
see our Compressors page for more information.) Designs
incorporating both refrigerator and cryostat are available for a variety of
applications. |
 |
| |
| Characteristics: |
| Larger Capacity of
1.5 W @ 4.2 K |
| Orientation
Independent |
| Push-button
Operation |
| |
| Applications: |
| Superconducting
Magnet Cooling |
| Cryogenic Property
Measurements |
| Cryopumps |
| Cryogenic Shield
Cooling |
| Helium Recondensing |
| Laboratory Cryostats |
COLD
HEAD MODEL RDK-415D

Specifications
| Refrigeration
Cycle |
Modified
Gifford-McMahon |
| Refrigeration
Capacity |
50 Hz 1st
stage:
35 W
@ 50 K |
| (Vertical Position) |
2nd stage: 1.5 W @ 4.2 K |
| |
60 Hz
1st stage:
45
W @ 50 K |
| |
2nd stage: 1.5
W @ 4.2 K |
| Orientation |
Any
- Cooling Capacity Loss: Max 15% |
| Weight |
Approximately 18.5 kg |
| Dimension |
180D
x 294L x 557H (mm) |
| Maintenance
Interval |
10,000 hours |
| Compatible
Compressor Unit Model |
CSA-71A |
| |
F-50L |
| |
F-50H |
Specifications
subject to change without notice.
Please
click here to download
the RDK-415D drawing and typical load map (224 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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