The QLA-100 liquid nitrogen low level alarm consists of a level sensor, monitor/alarm unit and a low output voltage power supply unit and is used with liquid nitrogen refrigerators, cryostats, vessels, dewars and cold traps. The monitor/alarm unit continuously monitors the signal from the level sensor and houses the audible and visual alarms. It can be fitted to the body, lid, neck or carrying handle of a liquid nitrogen container or can be mounted on a nearby wall or surface.

• Continuously monitors levels of liquid nitrogen
• Visual and audible warning if level becomes low
• Easy to fit and install
• Compact and lightweight
• Fail-safe alarm if sensor is damaged
• Reliable and maintenance free
• Sensor occupies negligible space in vessel

Sensor (Ø×L): 4×6 mm
Sensor cable (ØxL): 2,5×1500 mm
Monitor (W×D×H): 60×90×55 mm