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Liquid Helium
Variable Temperature System
Basic Unit

Liquid Helium Variable Temperature System Basic Unit ES-CT470/BU


This attachment allows ESR measurements at a preset temperature in the range of 2.5 to 470K. A GaAs is used as the temperature sensor and highly precise temperatures can be set. For cooling below 4.2 K, a vacuum pump (optional) is required. The photo (center) shows the ES-CT470 with a universal cavity. The coolant is transferred to the cryostat using a transfer tube. Use of the ultraviolet radiation apparatus and the angular rotation device is possible.


Variable temperature range 2.5 to 470 K
Temperature stability ± 0.5 K
Cool-down time 10 to 15 minutes from RT
Liquid helium consumption Approx. 1.5 L / h at 4.5 K
Dewar adapter diameter 5/8 inch
Power supply AC 100 V to 200 V, 1 A
Applicable cavity ES-UCX2 / MCX1A / MCX3B / ODMRC / 14040DMC
Sample tube 5 mm OD


  • Cryostat (incl. heater, sensor)

  • Transfer line (incl. dewar adapter)

  • Flow meter

  • Temperature controller

  • Assembly fixtures and spare parts


* The liquid helium dewar and helium gas cylinder are not composed.
* To reduce the temperature below 4.2 K, a vacuum pump (600 L / min) and pressure gauge (-0.1 to 0.1 MPa) are also necessary.


Application ES-CT470/BU

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