Helium 3 Refrigerators
Choice of sample in vacuum or top loading

Top Loading Variable Temperature
Charcoal Pumped 3He Cryostat
(Pictured)

External 3He gas storage unit
Internal charcoal sorb pump
4He 1K condensing pot
3He pot with sample in liquid
less than 0.3K to 300K operating temperature range

Top load sample probe with airlock valve

Heaters installed on sorb pump and sample mount
Sensors installed on sorb pump and 1K condensing pot
Safety pressure reliefs

Standard inserts for storage (transport) dewars,
superconducting magnet systems, research dewars
and custom configurations