Gas Monitoring Systems

Zero-Maintenance Oxygen Monitor

An extremely economical, zero-maintenance oxygen deficiency (O2) monitor is available from PureAire Monitoring Systems.
Ideal for the continuous monitoring of inert gas storage areas, confined spaces, and other locations where low oxygen levels may pose a hazard to personnel, the PureAire Air Check O2 Deficiency Monitor is suitable for either indoor or outdoor use. The instrument displays oxygen concentrations from 1.0% to 25% on a local readout and may be linked to a dedicated companion controller or most commercially available programmable logic controllers (PLCs). It operates on 24 VDC power.
The heart of the PureAire Air Check O2 Deficiency Monitor is a long-lasting zirconium type sensor which responds to low oxygen conditions within 15 seconds and provides accurate measurements over wide temperature and humidity ranges (-40° to 122°F and 0 to 99% RH, respectively). The sensor boasts a 5 + year operational life and is unaffected by temperature, humidity, and barometric pressure changes.
The Air check O2 monitor is available with built-in user selectable alarm relays and audio horn.  It’s also available for monitoring in Class 1, Div 1, Groups B,C & D environments.

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