4 Kelvin
Closed Cycle Refrigerator Systems
from Janis and SHI

Sample in Static Exchange Gas

SHI-950 series

Specifications
(excluding radiational & experimental heat load)

SHI-950 SHI-950-5 SHI-950T SHI-950T-5

Temperature Range

~4.5 K to 300 K

~4.5 K to 300 K

~4.0 K to 300 K ~4.5 K to 300 K

Initial Cooldown Time

~3.5 hours to 4.5 K

~6 hours to 4.5 K

~2.5 hours to 4.5 K ~6 hours to 4.5 K

Sample Change Time

5 minutes

5 minutes

5 minutes 5 minutes
Cold Head RDK-408D2 RDK-205D RDK-408D2 RDK-205D

Cryostat Weight

70 lbs.

65 lbs.

70 lbs. 65 lbs.

Compressor Cooling

air or water

water

 air or water water

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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JANIS RESEARCH COMPANY, INC.
2 Jewel Drive, P.O. Box 696
Wilmington, MA 01887-0696 USA
TEL: +1-978-657-8750   FAX: +1-978-658-0349
E-Mail: sales@janis.com
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