ORP1000 Oxygen Reduction Potential Sensor

The ORP1000 is a fully submersible sensor, well proven to withstand harsh field conditions. The sensor requires a low voltage power supply and provides a calibrated 4–20 mA output.


  • Innovative, optically isolated signal conditioning
  • Field proven platinum electrode
  • Innovative replaceable reference protection ring
  • Robust, easy clean design
  • Low power energy requirements
  • Wide operating temperature range


  • Rugged electrode design provides unparalleled remote operations
  • Operation on remote power source for long periods
  • High reliability means critical measurements are not lost through sensor down time
  • Minimal field servicing and reduced field visits
  • Long term unattended operation

Measurement Technique: Platinum electrode with internal reference, Field Replaceable electrode

Sensor range (factory calibrated): +/–500 mV, +/–1000 mV, 0–1000 mV

Sensor output: Analogue 4-20 mA

Power Supply: 11–13.2V DC

Dimensions (L x OD) 364.5 mm × 47 mm (14.35″ × 1.85″)

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