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Digital Microwave Moisture Measurement for Concrete, Asphalt and Process Industries from Hydronix
Hydro-Mix XT-FS Flush mount, food safe digital microwave moisture sensor - Dimensions

The Hydro-Mix XT-FS has been designed to measure moisture in flowing material where there is a food safe requirement. The sensor is compliant with the requirements of EN 1935/2004 and can easily be installed in ducting, conveying and mixing systems in process control environments.


  • Body: 316 Stainless Steel
  • Faceplate: Ceramic and EN1935/2004 Compliant. Internal Seals
  • EN1935/2004 and EPDM FDA Approved O-Rings Fixing Plate O-Ring.


  • The sensor is flush mounted with the internal wall of the installation using the included mounting assembly.

Measurement Range

  • Moisture: 0-100%, material dependant.
  • Depth: Approx. 75-100mm, material dependant.

Measurement Modes

  • Choice of modes for optimising sensor performance


  • Operating temperature range: -20-60°C
  • Moisture detection range: 0-60°C

Refresh Rate

  • 25 times per second

Analogue Outputs

  • Two configurable 4-20mA or 0-20mA current loop source available for moisture and temperature. May also be converted to 0-10V DC.

Digital Inputs/Output

  • Two configurable digital signals available for averaging and alarm functions.

Digital (Serial) Communication

  • Modbus.
  • Opto-Isolated RS485 2-wire port.
  • RS232, Ethernet and USB converters available. Programming details to access sensor values and parameters are available on request.


  • Pressure: 1 Bar Vacuum to 5 Bar pressure.
  • Protection: Cable Gland IP69.

Integrated Cable

  • 4m, six twisted pairs, 22AWG, 0.35mm2 conductors.
  • Screen braid with 65% minimum coverage plus aluminium/polyester foil.
  • Maximum recommended cable run of 100m.

Power Supply

  • +15V to +30V DC, 4W.
Hydro-Mix XT-FS data plate