Cryogen Liquid Level Monitors
From Nuclear Physics Group Documentation Pages
LN2 Level Meter:
The liquid nitrogen level meter probe is a Magnex Scientific E5031. The probe is a continuous analog readout of the liquid nitrogen level. The active sensor area of the probe is approximately 1 meter. Read-out of the probe is done via a "hockey-puck" like attachment that screws into the top of the ~1m long probe rod.
