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10 Kelvin Closed Cycle Refrigerator Systems from Janis and SHI

Sumitomo (SHI) 10 K Refrigerator - CH-204 (6.7 Watt @ 20 K) & CH-204-N (2.5 Watt @ 10 K)

Overview

Click button below to enlarge view of Sumitomo, SHI model CH-204 10 Kelvin coldhead available from Janis Research, cryogenic research equipment, cryocoolers, closed cycle refrigerators

The model CH-204 systems provide 6.7 Watts of cooling at a temperature of 20 K at the second stage and can reach a minimum temperature of <10 K (with no parasitic or experimental heat loads). Upgrade to the model CH-204-N for 2.5 W @ 10 K at the second stage. 

 

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Standard Configuration

The model CH-204 systems provide 6.7 Watts of cooling at a temperature of 20 K at the second stage and can reach a minimum temperature of <10 K (with no parasitic or experimental heat loads). Upgrade to the model CH-204-N for 2.5 W @ 10 K at the second stage.  Please see our Compressor page for more information.

Characteristics :

  • Refrigeration Capacity:  6.7 W @ 20 K (CH-204) and 2.5 W @ 10 K (CH-204-N)
  • Orientation Independent
  • Push-button Operation

Click the link below for the CH-204/CH-204-N:

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Specifications

COLD HEAD MODEL CH-204

(Scroll down for CH-204-N)

Refrigeration Cycle Modified Gifford-McMahon
Refrigeration Capacity
(Vertical Position)
50 Hz 1st stage: 13.5 W @ 80 K
2nd stage: 6.7 W @ 20 K
60 Hz 1st stage: 16.2 W @ 80 K
2nd stage: 8.1 W @ 20 K
Lowest Temperature 2nd Stage † <10 K
Cooldown Time 2nd Stage † 50 Hz: <35 Min.
60 Hz: <30 Min.
Coldhead Ambient Temperature: 4-40 °C (40-104 °F)‡

Weight: 7.8 kg (17.2 lbs.)

Maintenance Interval: 13,000 Hours
Compressor Model: HC-4E1

Weight: 75 kg (165 lbs.)

Maintenance Interval: 30,000 Hours
Electrical Power 1 Phase
208/230 V, 60 Hz
200 V, 50/60 Hz
230/240 V, 50 Hz
Power Consumption (50/60 Hz) 2.6/3.0 kW
Flexline Length 10'
Flexline Weight ~4.5 lbs. per line

† Lowest temperature, cooldown time are for reference. (Depending on ambient temperature, cooling water temperature, etc.)
‡ Cooling capacity may degrade by max. 5% if ambient temperature is above 28 °C.
Specifications subject to change without notice.

COLD HEAD MODEL CH-204-N

Refrigeration Cycle Modified Gifford-McMahon
Refrigeration Capacity
(Vertical Position)
50 Hz 1st stage: N/A
2nd stage: 2.5 W @ 10 K
60 Hz 1st stage: N/A
2nd stage: 3.0 W @ 10 K
Lowest Temperature 2nd Stage † <6.5 K
Cooldown Time 2nd Stage † 50 Hz: <40 Min.
60 Hz: <35 Min.
Coldhead Ambient Temperature: 4-40 °C (40-104 °F)‡

Weight: 7.8 kg (17.2 lbs.)

Maintenance Interval: 13,000 Hours
Compressor Model: HC-4E1

Weight: 75 kg (165 lbs.)

Maintenance Interval: 30,000 Hours
Electrical Power 1 Phase
208/230 V, 60 Hz
200 VC, 50/60 Hz
230/40 V, 50 Hz
Power Consumption (50/60 Hz) 2.6/3.0 kW

† Lowest temperature, cooldown time are for reference. (Depending on ambient temperature, cooling water temperature, etc.)
‡ Cooling capacity may degrade by max. 5% if ambient temperature is above 28 °C.
Specifications subject to change without notice.

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