WIGGENS LN2-4 Liquid Nitrogen Level Automatic Controller, Shinetek Instruments Research Institute (CAT#: STEM-GGAS-3212-LGZ)

LN2-4 liquid nitrogen level controller with 4 PT100 temperature sensors. 2 relay control output, automatic control software is suitable for the automatic control of liquid nitrogen level in working dewar bottle.

During operation, the controller will automatically open and close the solenoid valve, and the liquid nitrogen in the liquid nitrogen storage container will automatically flow into the working dewar bottle under the pressure generated by the self-pressurization system.

Under normal operation, the high and low level sensor in the working Dewar bottle will automatically detect the change of the liquid level in the Dewar bottle, and automatically transmit the signal to the LN2-4 level controller, the level controller will automatically open or close the solenoid valve to ensure that the liquid nitrogen level is constant at the working level.

LN2-4 can also be connected to more sensors, so that in the case of abnormal liquid level, the alarm function is activated, or the working system is automatically switched to the standby liquid nitrogen storage tank to extend the working time and ensure the safety of the work.

Automatic optical knowledge of working state

Automatic audible and visual alarm in case of error

Automatic recording of working data, RS232 or USB interface

Manual or automatic liquid nitrogen level control.
Sensor Brake-by-wire safety settings.
Sensors for liquid nitrogen temperature zone and single-point calibration for liquid nitrogen temperature zone.

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