CF He-3 Inserts for use in Cryogen
Free Variable Temperature Inserts.
The Cryogenic range of Helium-Three inserts
is designed as an alternative to the standard sample
probe. The inserts can extend the range of experimental
temperatures accessible in a Cryogen-Free variable
temperature sample space beyond the standard 1.6K-300K.
Using only the cooling power of the VTI and two internal
temperature-controlled sorption pumps, the sample
platform of the Helium-Three Insert can be maintained at
any temperature from below 300mK to above
300K.
There are three inserts
in the range: A 28mm insert to fit 30mm VTIs, a 22mm
insert for 24mm VTIs and a special 16mm insert designed
to fit the sample space of the Cryogenic S600 and S700
SQUID magnetometers. These inserts have working volumes
of liquid 3He of 2cc, 1.5cc, and 0.9cc
respectively.
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