Moisture Transmitter – VeriDri™

The VeriDri moisture transmitter provides dryer manufacturers and other OEMs with the means to make simple, accurate and reliable moisture measurement of their gas at a competitive price.

VeriDri is a loop-powered 4 to 20 mA output transmitter, offered in a number of factory-configured output ranges covering an overall moisture range of -130°F to 70°F or -110°C to 20°C dew point temperature. It is also available in a number of PPMv moisture output ranges with an overall range of 0 to 10,000 PPMv moisture, when operating at a constant pressure. Operating pressure information must be provided to the factory at the time of order placement.


  • Low-cost
  • Thin-film aluminum oxide moisture sensor technology
  • Microprocessor-based, all-digital technology for reliable operation
  • Compact size
  • Type 4X/IP67
  • Loop-powered 4 to 20 mA output
  • -130°F to 70°F (-110°C to 20°C) dew point temperature/0 to 10,000 PPMv moisture (with constant pressure) overall range capability
  • National Institute of Standards and Technology (NIST) traceable calibration
Operating temperature  : –40F° to 140°F (–40°C to 60°C)
Storage temperature  : 158°F (70°C) maximum
Power  : 7 to 28 VDC (loop-powered, customer supplied)
Output  : 4 to 20 mA


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