Janis Research, cryogenics, cryostats

4 Kelvin
Closed Cycle Refrigerator Systems
from Janis and SHI

Sumitomo (SHI) Compressor Units

0.4-Watt Compressor

Features and Benefits:

Click here for larger view of Model CNA-31 compressor from Sumitomo, available through Janis ResearchThe CNA-31 compressor is compatible with the 0.4-Watt cold head system (Model RDK-305D).  It is equipped with casters for ease of transport.

Accessories  

Input Power Cable

5-Meter
Flexible Gas Line  10-Meter Supply & Return
Cold Head Power Cable  10-Meter

COMPRESSOR UNIT MODEL CNA-31C 

Specifications
Cooling   Air
Electrical Power 
CNA-31C CNA-31D
AC 200V (+/- 10%), 3 Phase AC 380-415V (+/- 10%),
3 Phase / 50 Hz
  AC 460-480V (+/- 10%),
3 Phase / 60 Hz
Power Requirement 6.5 kVA Minimum; 8.5 kVA Recommend
Electrical Power Consumption (Approximate)
Steady  Maximum
50 Hz  3.8 kW 4.6 kW
60 Hz 4.5 kW 5.4 kW
Site Condition Indoor
Ambient Temperature Range 5 - 28°C
  28 - 35°C (with cooling capacity loss max. 5%)
Weight Approximately 100 kg
Dimension 520D x 520L x 901*H (mm)
  *include the casters and fan cover.
Maintenance Parts Adsorber (Every 30,000 hours)
Fuse(s) (As required)

Specifications are subject to change without notice.  

CNA-31 Mechanical Drawing

Mechanical Drawing of SHI Model CNA-31C 0.4 Watt compressor, Janis Research, cryogenics

Please click here for information on the 0.1-Watt Compressor Unit from SHI.

Please click here for information on the 0.5-Watt Compressor Unit from SHI.

Please click here for information on the 1.0-Watt & 1.5-Watt Compressor Units from SHI.

 

Table of Contents

Pages
Introduction 1
Sample in Vacuum Systems (SHI-4 series) 2, 3
Sample in Static Exchange Gas Systems (SHI-950 series) 4, 5
Application-specific Models - Neutron Scattering 6
Application-specific Models - Mössbauer Spectroscopy (SHI-850 series) 7, 8
Application-specific Models - Micro-manipulated Probe Station (CCR4-MMP series) 9
Application-specific Models - FTIR Optical Spectroscopy: Low Vibration Pulse Tube (PT-950-FTIR) 10
Custom Engineered and Specialized 4 K Closed Cycle Cryostat Systems 11
0.1 Watt @ 4.2 K Refrigerator from SHI (RDK-101D) 12, 13
0.4 Watt @ 4.2 K Refrigerator from SHI (RDK-305D) 14, 15
0.5 Watt @ 4.2 K Refrigerator from SHI (RDK-205D) 16, 17
1 Watt @ 4.2 K Refrigerator from SHI (RDK-408D2) 18
1.5 Watt @ 4.2 K Refrigerator from SHI (RDK-415D) 19
6 K Cryocooler from SHI (RDK-408S) 20, 21
0.1 Watt Compressor Unit from SHI (CNA-11) 22
0.4 Watt Compressor Units from SHI (CNA-31C, CNA-31D) 23
0.5 Watt Compressor Units from SHI (CKW-21) 24
1 Watt & 1.5 Watt Compressor Units from SHI (CSA-71 & F-50) 25
Pulse Tube Refrigerators 26
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