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    Manufacturers List

    Janis Research, USA
  • 10 Kelvin Closed-Cycle Refrigerator (CCR) Systems

    • When 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
    • Janis CCR’s utilize the Gifford-McMahon thermodynamic cycle, based on the controlled compression and expansion of helium gas
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  • Pulse Tube Cryocoolers vs. Gifford-McMahon Cryocoolers

    • Price.In general, GM cryocoolers are less expensive than PT cryocoolers of similar cooling power
    • Vibration.Both GM and PT cryocoolers are mechanical refrigerators that do have some level of vibration
    • Orientation.The performance of PT cryocoolers is orientation-dependent
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