Sample environment Vacuum
Sample space 25 mm sample space for VT30, 43 mm sample space for VT50
Base temperature ≤ 300 mK for ≥ 40 hours
Maximum temperature 1.2 K as standard.  Higher temperature option available: up to 300 K
Cooling power (with standard radiation shields) 50 µW at ≤ 350 mK for 6 hrs
Temperature stability ± 3 mK at T ≤ 1.2 K
Thermometers Uncalibrated RuO2 sensors on the 3He pot and the 1 K plate, resistance sensor on sorption pump
3He regeneration time 40 min
Liquid helium consumption (typical) Consumption of the VTI 100-150 cc/hr
Sample access Brass IVC with greased cone seal
Cryogenic service interval N/A
3He Not included


Had a great evening yesterday, networking with low temperature physicists over a reception at DPG Spring Meeting, s…
5:48 PM - 15 Mar 18
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