High End Hydrogen Moisture Transmitter HygroPro II

by Panametrics, a Baker Hughes business

  • Intrinsically safe high end hydrogen moisture transmitter
  • Built-in temperature sensor for temperature compensation
  • Optional pressure sensor
  • Operating temperature: -4°F to 140°F (–20°C to 60°C)
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High end hydrogen moisture transmitter HygroPro II

  • The HygroProII is the latest addition to the Panametrics portfolio of market leading moisture analyzers and transmitters.
  • It is an intrinsically safe, compact, loop-powered display transmitter designed specifically to meet the demands of rugged industrial and hydrocarbon processing applications.
  • It can measure moisture in both gases and hydrocarbon liquids, providing a 4 to 20 mA output along with HART digital communication capability.
  • It uses Panametrics’ latest state-of-the-art aluminum oxide moisture sensor, the -FX sensor.
  • The HygroProII combines a technologically advanced aluminum oxide moisture sensor with robust electronics for unequaled overall performance.

Key features

  • Intrinsically safe
  • Ambient to ppb-level moisture measurement using next-generation aluminum oxide moisture sensor
  • Built-in temperature sensor for temperature compensation
  • Optional pressure sensor
  • Calibrations traceable to National Institute of Standards and Technology (NIST) or National Physical Laboratory (NPL) with the option of fully accredited calibration to ISO 17025
  • Complete programming capability via User Interface that consists of integrated display and 6-button keypad
  • Analog and digital outputs
  • HART communication over the 4 – 20 mA analog output
  • Calibration ranges (dew/frost point), standard: 50 to -112°F (+10 to –80°C) with data from
  • Operating temperature: -4°F to 140°F (–20°C to 60°C)
  • Voltage: 12 to 28 VDC (loop-powered, customer supplied)
  • Output: 4 to 20 mA analog & HART digital
  • Output Resolution: 0.01 mA/12 bits
  • Cable: 6 ft. (2 m) and 30 ft. (10 m) options standard (consult factory for custom lengths); cable includes molded weatherproof connector with flying leads
  • Operating pressure: 5 μm Hg to 5000 psig (345 bar)
  • Display
    • 128 x 64 LED backlit LCD
    • Display from one to three parameters and diagnostics

Product video


  • Petrochemical
  • Natural gas
  • Industrial gas
  • Semiconductor
  • Furnace gas/heat treating
  • Power generation
  • Air dryer
  • Pharmaceutical
  • Aerospace

Contact us

  • Interested? Please contact panametrics by filling in the contact request form.
Weight1.147 kg
Dimensions20 × 10.1 × 6.5 cm
Max Input Voltage (in V)

Min Input Voltage (in V)

Max Ambient Temperature (in °C)

Min Ambient Temperature (in °C)

Electronic Control Interface

Connector Threading

Compliant with

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Ingress Protection Rating



Water Electrolysis for Hydrogen Production

Technical Data Sheet

Technical Datasheet HygroPro II Hydrogen Moisture Transmitter

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      Panametrics, a Baker Hughes business

      Founded in 1960, Panametrics is committed to providing the best in process gas analyzers and flow measurements. Built on its 60+ year heritage of moisture measurement innovation with the introduction of the patented thin film aluminum oxide sensor, when Panametrics delivered the world’s first thermoparamagnetic oxygen analyzer and innovative thermal conductivity binary gas analyzer, a new era in process gas monitoring began.

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