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Intelligent Gas Handling for dilution refrigerators

The KelvinoxIGH Intelligent Gas Handlingsystem is the industry standard and isnecessary to control the KelvinoxTLM, KelvinoxK, KelvinoxMX and KelvinoxVT. It is a fully automated system, which is capable of satisfying the needs of the expert or novice dilution refrigerator user. Manual operation is via push button control from the front panel of the gas handling cabinet or via a graphical interface on a PC. The control system also offers sophisticated software routines that control all the major functions of operation of a dilution refrigerator using virtual instrument drivers for National Instruments’ LabVIEW™. This includes:

filling and controlling the 1 K pot

mixture condensation and mixture circulation

automated cooling to base temperature from 4 K

control and monitoring of valves, pressures, temperatures and heaters

single shot operation and leak test mode

The instrumentation interfacing is performed through serial RS232, though IEEE is also available. The virtual instrument drivers may be incorporated in higher-level programs to provide fully automated experiments.

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