Rosemountâ„¢ 928 Wireless Gas Monitor

The Rosemount 928 Wireless Gas Monitor detects hydrogen sulfide (H2S) toxic gas in remote applications previously too challenging and costly to monitor.

Rosemount 928 Wireless Gas Monitor

This wireless toxic gas monitoring system enhances worker safety through early gas leak detection, simply integrates with WirelessHART® technology, and eliminates the need for expensive wiring and conduit. The Rosemount 928 Wireless Gas Monitor easily connects to the Rosemount 628 Wireless Electrochemical Gas Sensor which consists of a tool-less hot-swappable smart sensor module.


  • Hot-swappable electrochemical sensor module with end-of-life diagnostics that can be installed in the field without tools.
  • Replaceable, intrinsically safe lithium-thionyl chloride power module. The power module has over two years of service life and can be easily exchanged in the field in hazardous locations.
  • WirelessHART® technology is secure, cost-effective and delivers >99% data reliability
  • Easy, intuitive installation enables a quick method to add safety monitoring without the cost of wiring
  • High performance monitoring comparable to conventional wired gas monitors with an accuracy of ±3 ppm or 10% of reading, whichever is greater
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