This pH combination electrode is made of sensitive glass membrane with low impedance.It can be used in a variety of PH measurements with fast response, good thermal stability.It has the good reproducibility, difficult to hydrolysis, and basically eliminate the alkali error .In 0 to 14pH range,the output voltage of the electrode is linear.The reference system which consist of the Ag/AgCl gel electrolyte salt bridge has a stable half-cell potential and excellent anti-pollution performance.The ring PTFE membrane is not easy to be clogged, so the electrode is suitable for long-term online detection.
Note: This is a probe only, and it could be a upgrade part for Analog pH Meter (SEN0161). If you need an industrial long-term pH sensor directly, please check Industrial pH Meter Kit Pro (SEN0169). And the output voltage feedback is from 0 to 5v to indicate pH value from 0 to 14.


The electrode is suitable for all kinds of printing, circuit board factory, waste water containing chromium and other industrial and domestic sewage pH monitoring.


  • Length (with protective cover): 17.7cm(6.97")
  • Diameter: 2.74cm(1.08")
  • Wire Length: 5m(196.85")
  • Connector: BNC
  • Measuring Range: 0-14pH
  • Measuring Precision: &le0.02pH
  • Suitable Temperature: 0-60°C
  • Response Time:10sec
  • Drift: &le0.02PH/24hours
  • Resistance of Sensitive Membrane: &le200*106Ω
  • Slope: &ge95 %
  • Electrode's Equipotential Point:7±0.5PH



  • H-101 pH electrode x1
  • pH electrode manual x1


Brand DFRobot

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