Keller Surface Level Sensor

Keller PR-46 X Surface Level Sensor for accurate measurement of surface water. This Swiss made sensor combines high precision and reliability. Accuracy as a result of a ceramic measuring cell for low pressure ranges and µP-electronics for level monitoring. 10 m of Kevlar Cable is supplied with every sensor. Also Keller PR-46 X sensors are compatible with Van Walt telemetry. Therefore Keller PR-46X water level sensors deliver high accuracy for surface water level monitoring. So is the preferred choice for monitoring surface water. High precision and reliability from Europe’s leading manufacturer of pressure transducers.

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  • Compatible with Van Walt telemetry (vanwaltCONNECT; vanwaltDataHub & vanwaltDataSlave)
  • Supplied with 10 m of vented Kevlar Cable so no barometric compensation required
  • Available from stock with Modbus connection
  • High accuracy
  • Manufactured according to ISO 9001:2008
  • Precise ceramic measuring cell
  • Outstanding reliability
  • Easy to deploy
  • Easy to use
  • Other connection protocols available
  • An intrinsically safe option is available for explosion exposed areas
  • Un-rivalled quality and performance that is synonymous with Swiss engineering.

Keller Surface Level Sensor Equipment Options:


  • Waste Water applications
  • High accuracy flood monitoring
  • Long term water level & temperature monitoring
  • Tidal studies
  • Watershed, drainage basin and recharge areas
  • Stream gauging, lake levels and reservoirs
  • Wetlands and storm water run-off monitoring
  • Environmental monitoring
  • Surface water discharge measurement
  • Aquifer level monitoring
  • Aquifer storage & recovery



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