Oxygen Deficiency Monitor for O2 Depletion Safety

The PureAire Oxygen 0-25% Deficiency Monitor is perfect for facilities that use inert gases such as nitrogen, CO2, helium, and argon among others. The monitor is well suited for use in confined spaces, cryogenic facilities, and freezers. The monitor will remain accurate at temperatures as low as -40C. PureAire’s durable, non-depleting, long-life zirconium oxide sensor will last for 10+ years in a normal environment without needing to be replaced.


Contact for More Information

General Specifications

Sampling MethodDiffusion
Gases DetectedOxygen (O2)
Range0 – 25 % O2
Accuracy± 1 % of Full Scale
Operating Temperature-40 to +55 ºC
Display3/4″ LCD Digital Display, Back Lit
Sensor TypeLong-life zirconium oxide sensor cell
Sensor Life> 10 years under Normal Conditions
Signal Outputs4-20 mA Analog Output (Active) Dual-Level Alarm Relay Contacts Please contact PureAire for the available RS-485 option
Power Requirements24 VDC 250 mA
Width5.12 in 130.1 mm
Height4.5 in 114.3 mm
Depth3.25 in 82.1 mm
Weight1.6 lb 0.8 kg
CalibrationCalibration IS required.
Country of OriginUSA
Harmonized Tarrif Code8531.10.0045

Order Form