NUVAIR – Pro He Alarm Analyzer (Helium) – Handheld with Rechargeable Lithium Battery

Pro He Alarm Analyzer (Helium) – Handheld with Rechargeable Lithium Battery The Pro He Alarm Analyzer measures helium in mixed gases. This analyzer includes two audible and visual alarms for high and low helium percentages, and an analog output for shutting down your compressor automatically with an optional relay. Compatible with heliox and trimix.