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Suppose the fridge pressure is above 100 torr. In that case, the Fridge/1000 (Torr) target parameter and the fridge temperature to the Fridge/1000 (K) target parameter are reliable. Suppose the fridge pressure is under 100 torr. In that case, the Fridge/100 (Torr) target parameter is reliable, and the fridge temperature is the Fridge/100 (K) target parameter. 

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In the above picture, open the 'GV Bypass' VI at point 1, and you can adjust the GV Bypass opening to keep the fridge pressure flat and reduce the LHe consumption. 

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