Cryogen Free- Closed Cycle Refrigerator Systems - 10 K

10 Kelvin Closed-Cycle Refrigerator (CCR) Systems

10 Kelvin closed cycle refrigerator from Janis Research, cryogenic equipment, cryogen free, cryocoolerWhen combined with an automatic temperature controller, Janis closed cycle systems become powerful tools for studying the properties of materials over a wide range of temperatures. (These pages describe systems with base temperatures from 8 - 15 K; please click here for systems with base temperatures to 4 K.)

As the name implies, closed cycle systems recirculate a fixed volume of gas to provide cooling to the sample mounting stages, and no gas is added or removed during operation. Janis CCR's utilize the Gifford-McMahon thermodynamic cycle, based on the controlled compression and expansion of helium gas. A compressor is used to provide the high pressure helium gas needed for the cycle. Flexible metal gas lines deliver the compressed helium gas to the refrigerator, and return the low pressure gas to the compressor for recirculation. The refrigerator includes two cold stages, one for cooling the sample and one for cooling a radiation shield that surrounds the sample.