Closed Cycle Refrigerator

The 2-stage coldhead (ARS 202) is operated by an water cooled 1.8kW compressor (HW-4) at about 20 bars helium pressure. Samples can be mounted on the 6mm thread of the cold finger, which is placed in the isolation vacuum of the cooler.

Sample Space Dia./Height 40mm / 40mm
System Construct. ARS
Temperature Range 4.3K - 320K
Thermometry Sensors Si-Diode, Cernox