Gordinier 269 Fill Station

Gordinier 269LCF Cylinder Fill Station

AFS-01 Automatic Fill Station by Technifab

AFS-01 Automatic Fill Station by Technifab

Gordinier Open Dewar Fill Station

Gordinier Open Dewar Fill Station

User Manual

Gordinier Open Dewar Fill Station

Model 269DF Controller allows unattended filling of dewars, by the use of a Single Thermistor
sensor. When liquid nitrogen is detected, the filling system will SHUT OFF.
When properly installed both systems (269DF and 269LCF) rely on liquid nitrogen (LN2) to activate the
sensor probe (thermistor). At room temperature the thermistor is around 10ohms and in liquid nitrogen
the thermistor is around 30000. Due to the heating effect of the thermistor via the 269 circuit, liquid
nitrogen will reduce the thermistor operation to 5-10000ohms.
During the filling process the LN2 gas has no effect on the sensor probe. Not until LN2 sufficiently covers
the thermistor, causing the system to shut down.

$2,850.00
SKU
50-DF25-269

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