BVT3000 Version 003 BRUKER 21 (67)
Liquid nitrogen exchanger
Liquid nitrogen exchanger 2.4
This option allow the regulation of temperature to be extended below room tem-
perature. It is necessary to have a nitrogen gas line to use this device. The nitro-
gen gas is cooled by circulation in a tube bathed in liquid nitrogen. The cold gas is
subsequently transferred to the probe through a flexible transfer line.
➪
The gas flow is stopped (meaning all four valves are closed) when ever the
heater power is off. This avoids sample freezing.
Regulation accuracy is unchanged.
Exchanger presentation 2.4.1
Figure 2.3. Exchanger principle
Tube
Liquid nitrogen
Isothermal tank
Refill level sensor
Empty level sensor
Valve block
Transfer line
N2 gas in Cold N2 out
BVT3x00
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