A333-N2R Nitrogen Low Pressure Cylinder Alarm with Regulator Flowmeter.  The alarm pressure switch can be set point range of 100 psi low to 600 psi high.  The alarm is factory set at is 200 psi +/- 5 percent. Special order set points are available.  For the delivery system, there is a Green blinking “OK” light when gas supply is adequate and a Red blinking “LOW” light when gas supply is low.  In addition, an audible alarm (90 dB) activates when purge gas is low.  The alarm operates on a 9-volt battery, included, which can give up to a year of operation, dependent upon usage.  This alarm has been certified laboratory tested to meet Military Spec MIL-STD-810F (516.5) for shock.

This alarm is for high-pressure cylinders.  See our A333-CRYO for cryogenic applications.