pH Sensors

Zimmer and Peacock introduce a pH sensor, based on a format that makes the sensors suitable as single use or for continuous monitoring applications.

ZPS CIO-000-00064

pH sensors for applications where the sensor is disposable or where continuous measurement is required 

135,00 €
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  • 1 kg
  • Available
  • Ships within 2-3 weeks
ZPS CIO-000-00065

pH sensors for applications where the sensor is disposable or where continuous measurement is required. Note these sensors have reference electrodes that are chloride resilient.

195,00 €
Add to Cart
  • 1 kg
  • Available
  • Ships within 2-3 weeks
pH sensor zp rev2.pdf
Adobe Acrobat Document 144.2 KB

In the adjacent video we show a real world application of our solid state pH sensor.


In the Figure below you are looking at the raw data gathered on a ZP pH sensor, the scientist was testing eight pH electrodes in parallel. The sensors were initially in a solution of pH 7.39, the pH was then changed to pH 9.95, next the pH was changed to 3.75 before finally changed back to 7.39.

In the chart below we have taken the raw data from the experiment and plotted the signal (milliVolts, mV) versus the pH. From that we have calculated our sensitivity of 51 mV/pH/.

In the figure below we have the data for the continuous operation of a ZP pH sensor for 27 minutes. The scientist changed the pH over the 27 minutes by the addition of acid and base so one can see the sensor responding (y axis mV). The data suggests the pH sensor can be used either a s a discreet measurement sensor, i.e measure a drop of  blood and then disposed of, or as a continuous sensor in a flowing liquid etc.

In the figure below we test a pH sensor that has been in storage at room temperature for 9 months. The sensor has no liquid on board so it is immediately ready to go and the fact that the pH sensor is entirely solid state means the pH sensor has excellent shelf life.


Contact us any questions.


We are also providing the pH sensors in two additional micro-capillary formats, where the pH sensor is housed within a microfluidic cavity, the cavity is designed so that solution is drawn automatically into the sensing area, see adjacent video.

Below we are offering the pH sensors in this capillary format with and without a filter paper. The filter paper which is situated within the capillary is designed to filter particles and materials from the sample matrix.


pH sensors with Capillary

pH sensors for applications where the sensor is disposable or where continuous measurement is required. This sensor has capillary fill, but no filter.

203,00 €
Add to Cart
  • 1 kg
  • Available
  • Ships within 2-3 weeks
pH sensors with Capillary and filter in place

pH sensors for applications where the sensor is disposable or where continuous measurement is required. This sensor has capillary fill, but no filter in place.

236,00 €
Add to Cart
  • 1 kg
  • Available
  • Ships within 2-3 weeks

www.zimmerpeacock.com    2020