HelioxVL – Sample-in-vacuum 3He Wet Refrigerator

A ³He sample-in-vacuum dipstick insert system compatible with wet cryostats.

• Quick sample change
• Easy to use

• Compact design

This ³He refrigerator is based on advanced sorption pump technology combined with the specially engineered 1 K condenser and ³He pot. 

• Quick sample change
• Easy to use
• Compact design
• Can be combined with a magnetic sample environment
• For magnetic fields below 6 T, a small magnet can be mounted on to the IVC tube and provides magnet operation in a transport dewar
• For magnetic fields over 6 T, the HelioxVL is combined with magnetic environments with our Integra product range, providing magnetic fields up to 21 T

A complete system consists of:

• An insert including the self-contained ³He dump and cryogenic pump
• An external small pump for the 1 K condensing stage
• The controlling electronics and software
• The diagnostic wiring

Base temperature: ≤ 245 mK for ≥ 90 hrs with no applied heat load

Cooling power: 40 μW at ≤ 290 mK, with a hold time > 10 hrs 

Temperature range: Base temperature to 300 K 

Temperature stability: ±3 mK for T ≤ 1.2 K and ± 0.1 K for T > 1.2 K

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