VHC35 TW35 LS750 Cryo-Sentry Level Alarm

The VHC35, TW35 or LS750 Cryo-Sentry Low Level Alarm passively monitors liquid levels in the cryogenic refrigerator.

Used for protecting valuable biological samples, this alarm will sound promptly to alert you when more liquid nitrogen is needed. Alarm includes remote alarm plug, which can be attached to a dialer/maintenance system to advise of an alarm when the lab is unattended. It is best suited for the infrequently used freezers and is recommended for stored product protection. Battery operated or powered by standard US grounded plug.