84 (93) BRUKER CryoProbe Installation
Glossary
CryoProbe
Although the CryoProbe System is often colloquially referred to as ‘CryoProbe’,
this term designates the probe part only.
CryoProbe RF Unit
All CryoPreamps, transmit/receive switches, RF filters for the receiver pathways,
and control circuits that are built into the CryoProbe body.
CryoProbe System
A CryoProbe and all components necessary for its operation.
CryoTool
A software interface for monitoring the CryoProbe System parameters. It runs on
a separate laptop or PC.
Dump Tool
A short gas tube with a silencer. This service tool is used to release the He supply
pressure at the joint between He Regulator and CryoCooling Unit before the He
steel-cylinder is exchanged.
Flexlines
A pair of flexible tubes that guide pressurized He at ambient temperature from the
He Compressor to the CryoCooling Unit and back. Pressurized He at 15 to 30 bar
is kept inside these gas tubes at all times - even when disconnected! They are
isolated to reduce thermal disturbances and acoustic noise.
Gradient Filter Box
Small box to interface a standard B
RUKER gradient cable to the CryoProbe.
He
Gaseous helium of high purity, used for cryogenic cooling of the CryoProbe.
He Compressor
Warm He from the CryoProbe is routed through the CryoCooling Unit to the He
Compressor. The compressed He is sent back to the CryoCooling Unit, circulating
in a closed loop.
The He Compressor serves two functions: (1) It provides the primary energy (in
form of compressed He) for the cooling action of the CryoCooler. (2) It circulates
the He between the CryoCooling Unit and the CryoProbe, providing the transport
of ‘the cold’ to the CryoProbe.
He Hose
Flexible hose for pressurized helium gas that connects the He steel-cylinder with
the CryoCooling unit.
He Regulator
A pressure reduction valve with two gauges that is mounted on the He steel-cylin-
der.
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