The HygroPro is a loop-powered, intrinsically safe moisture transmitter for measuring the moisture content in gases and non-aqueous liquids in pipeline natural gas, petrochemical, power generation, pharmaceutical, process, and industrial applications. The HygroPro features an aluminum oxide moisture sensor, temperature thermistor, and pressure transducer built on a single probe mount to provide real time measurements for the calculation of parameters such as ppmv in gases, pounds per million standard cubic feet in natural gas, ppmw in liquids and percent relative humidity in addition to dew point temperature.



  • Three-function capability with aluminum oxide moisture sensor, temperature thermistor and pressure transducer
  • Display can be oriented in field for easy viewing
  • Calibrations traceable to National Institute of Standards and Technology (NIST)
  • Requires only twisted pair cabling
  • Complete program capability via six-button keypad
  • Integrated display/user interface
  • Analog and digital outputs

This aluminum oxide moisture transmitter measures moisture concentration in gases and non-aqueous liquids from trace to ambient levels. It is suitable for a wide range of industries:
• Petrochemical
• Natural gas
• Industrial gas
• Semiconductor
• Furnace gas/heat treating
• Power generation
• Air dryer
• Pharmaceutical
• Aerospace

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