Starting at $1,138.70

Not in stock. Usually ships in 3-4 weeks [?]

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Electronics only (enclosure not included)


  • Replacement single channel transmitter for the M21 series
  • Output options:
    • Analog output
    • Analog & mechanical relay outputs
    • Analog & digital Modbus outputs
    • Analog, mechanical relay & digital Modbus outputs
    • An analog / Hart communication output
    • An analog / Hart communication and Relay output

This product is an accessory for the following products:

Net Safety M21 Millennium II Single Channel Transmitter
SMART sensor technology, -67 to 185°F temp range, full diagnostics with event and data logging