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Oil measurement technology


The Rexroth product range includes a wide variety of measuring devices for determining the water content or dirt contamination of hydraulic and lubricating oils.

  • Nominal pressure up to 400 bar dynamic
  • Nominal pressure up to 600 bar static
  • Nominal flow 50...400 ml/min
  • Operating temperature -20 °C to +80 °C
  • Nominal pressure 580 psi
  • Analog output ​4 … ​20 mA
  • Water activity aw 0 ... 0,9: ±0,02
  • Water activity aw 0,9 ... 1: ±0,03
  • Nominal pressure 580 psi
  • Analog output ​4 … ​20 mA
  • Water activity aw 0 ... 0,9: ±0,02
  • Water activity aw 0,9 ... 1: ±0,03
  • Measurement of relative humidity and temperature
  • Data transmission via 4 ... 20 mA or IO-Link
  • Pressure resistance up to 725 psi


Values in the US customary unit system are converted and rounded values. In case of doubt, only metric values are valid.
Subject to change, status 2019-09-06 22:12:51