phasetwo’s Low Level and Temperature Alarm LLTA is designed to monitor both liquid level and operating temperature inside aluminum LN2 freezers. Utilizing dual RTD probes and fully programmable to match individual end-user needs, the Low Level and Temperature Alarm features touch screen operation, audible & visual alarms, and a universal power supply and adapters for usage worldwide. Each alarm comes complete with mounting bracket, alarm module, and probes, and each alarm module can be used to monitor two freezers with the addition of a second set of probes.