GE
Sensing
Features
• Loop-powered, 4 to 20 mA transmitter
• Fast response planar aluminum oxide sensor
• Trouble-free indoor or outdoor mounting
• Field validation with the MMY245 moisture analyzer
• Microcontroller electronics in Type 4X/IP67 enclosure

Options
• Integrated display with user interface
• FM approved intrinsically safe/explosion-proof,
Class I,II,III, Division 1 and 2, Groups A,B,C,D,E,F&G
hazardous (classified) locations
• English or metric fittings
• External display available with loop-power supply
and alarm contacts

DewPro® MMY31
Dew Point Transmitter
DewPro MMY31 is a General Eastern
product. General Eastern has joined
other GE high-technology sensing
businesses under a new name_
GE Industrial, Sensing.

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The DewPro MMY31 measures dew point or ppmv in
gases. It is a cost-effective, loop-powered dew point
transmitter designed for “in-line” installation where trace
moisture measurement is required. The planar aluminum
oxide sensor provides excellent corrosion resistance,
longer calibration stability, quick response times, and an
exceptionally low temperature coefficient.
The DewPro MMY31 mounts directly in-line in your
process gas, where a bypass installation is not
appropriate. It is easily installed via a variety of
adjustable insertion length compression fittings. The
optional integrated display with user interface provides
full programming and diagnostic capability.
Applications include glove boxes, environmental
chambers, test chambers, and other locations where
direct insertion is required.