AquaXact 1688 Controller

Next-generation digital controller platform designed to seamlessly integrate with the AquaXact 1688 moisture transmitter


Sensing Technology


Designed specifically to work in harmony with the AquaXact 1688 ultra-thin film Aluminum Oxide moisture transmitter, this digital controller provides a high-clarity color touchscreen display, alarms, relays and advanced communications protocols.

It gives AquaXact 1688 users access to powerful, intuitive software control, and allows easy sensor replacement in the field. The sensor tip can be replaced by the user and the calibration file loaded into the transmitter via the digital controller, removing the need for return-to-factory calibrations and thus lowering costs of ownership.

Dense Al2O3 pore structure and geometry provides the AquaXact sensor with greater stability and reduced drift over 12 months.

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  • Air separation units
  • Natural gas processing and transportation
  • Glove boxes
  • Instrument air units
  • Ethylene production
  • Refining gases
  • Medical gases
  • Semiconductors
  • Furnace gas/heat treating
  • Power generation
  • Air dryers
  • Pharmaceutical
  • Aerospace



Ensure your AquaXact 1688 Controller delivers optimum performance with Servomex Service Network.

Through our global network of engineers and service centers, we provide complete lifetime support for your device. Our services range from installation and commissioning to supplying high quality spares and arranging scheduled servicing: visit our Service Network pages to find out more.