Water Quality Sensors

CS525 ISFET pH Probe

Unlike the traditional glass bulb type sensor element, this sensor more rugged and easier to maintain.

This technology also considerably reduces the number of acidic or alkaline errors in extreme pH conditions. It allows the CS525 to monitor pH in liquids containing high solids, aggressive chemicals, or biological materials that would clog or contaminate the junction of the traditional glass-bulb pH probes.


  • ISFET sensing element from SENTRON
  • Easily cleaned and maintained
  • Rugged
  • Fully temperature compensated



  • Measuring range of pH 0 to 14
  • Power requirements: 4.5-5.5VDC
  • Output: 0-5000mV
  • Accuracy: ±0.1 pH with two point calibration
  • Maximum cable length: 30m
  • Dimensions: 190mm x 16mm dia.

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