PH1000 pH Sensor

The PH1000 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.


  • Field replaceable, gel-filled pH electrode
  • Innovative replaceable reference protection ring
  • Robust, easy clean design
  • Optically isolated signal conditioning electronics
  • Low power energy saving design enables long-term remote operation


  • 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
  • Electrode field replacement to maintain continuous accurate readings

Measurement Technique: Gel-filled glass electrode with internal Ag/AgCl reference, Field Replaceable electrode

Sensor range (factory calibrated): 0–14 pH (4 mA = 0 pH, 20 mA = 14 pH)

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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