Trace Moisture Transmitter - Michell Pura

Hygrometer For Trace Moisture in Pure Gases

Key features

  • Measures down to -120 °Cdp (-184 °Fdp) (1ppbV)
  • Stable and repeatable measurement
  • Fast response
  • Modbus RTU over RS485 communication
  • 4...20 mA 2 wire
  • Traceable 7-point calibration certificate
  • 1/2”, 1/4” male VCR process connections
  • Optional monitor/controller
  • MiniDIN 43650 C, M12 electrical connectors
  • Optional hazardous area approval
  • Service exchange program
  • Associated Oxygen Analyzer
    PPB Ultra Trace Analyzer


This small transmitter is a rugged dew-point sensor for the measurement of trace moisture in ultra-high purity gases.

Simple to use and install, the Pura features analog and digital outputs with optional I.S. approvals, plus there is a range of VCR process connections and electrical connections. A service exchange program is also available, reducing the cost of maintenance.


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