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10 Kelvin Closed Cycle Refrigerator Systems from Janis and CTI

CTI-Cryogenics 10 K Refrigerator - M-22 (1 Watt @ 20 K)

Overview

Click the button below to enlarge view of CTI-Cryogenics Cryodyne refrigerators

The Model 22 CTI Cryodyne Refrigerator System is a closed-cycle helium refrigeration system based on the Gifford-McMahon thermodynamic cycle.  It is available in both single and two stage configurations to suit a variety of applications that require a compact cryocooler.  The Cryodyne Refrigeration system consists of a refrigerator assembly, compressor assembly and customized installation kit consisting of flexible interconnecting gas lines and refrigerator cable ranging from the standard 10-foot separation length up to 300-foot lengths.

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Standard Configuration

The Model 22 CTI Cryodyne Refrigerator System is a closed-cycle helium refrigeration system based on the Gifford-McMahon thermodynamic cycle.  It is available in both single and two stage configurations to suit a variety of applications that require a compact cryocooler.  The Cryodyne Refrigeration system consists of a refrigerator assembly, compressor assembly and customized installation kit consisting of flexible interconnecting gas lines and refrigerator cable ranging from the standard 10-foot separation length up to 300-foot lengths.

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Model 22 Cryodyne Refrigerator Typical Performance (60 Hz)

The single stage M-22 is designed to provide up to 11 watts of heat lift at 77 K for cooling of high temperature superconductors, detectors and optical devices.

The two stage M-22 is designed to provide useable heat lift under 10 K and up to 1 watt at 20 K and 8 watts at 77 K simultaneously.  Applications include spectroscopy, low temperature thermometry, amplifier cooling and LASER frequency tuning.  Click here to view the CTI-Cryogenics Cryodyne Refrigeration System datasheet. (PDF)

Characteristics :

  • Refrigeration Capacity 1 W @ 20 K
  • Orientation Independent
  • Push-button Operation

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Specifications

COLD HEAD MODEL M-22

Refrigeration Cycle Modified Gifford-McMahon
Heat Lift
(Vertical Position)
Single Stage 11 W @ 77 K
Two Stage 1st stage: 1 W @ 20 K
2nd stage: 8 W @ 77 K
Orientation Any
Weight Approximately 6.5 kg
Dimension 231L x 152W x 286H (mm)
No-load Cooldown Time (to 20 K) 25 minutes; 60 Hz power
30 minutes; 50 Hz power
Flexline Length 10'
Flexline Weight ~4.5 lbs. per line
Compatible Compressor Unit Model 8200

Specifications subject to change without notice.

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