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pH Electrodes
In many applications in industry and research it is necessary to monitor continuously the pH value using pH electrodes. The pH pH electrodoes for professionalselectrodes convert the current pH value of a proportional voltage. The pH electrode models for fixed installations in industrial processes continuously measure pH and therefore they are used to regulate processes. Because the pH electrodes can be used in various applications,  pH electrodes with different characteristics are required. The most important criteria of pH electrodes are the solids content of the medium pressure system and the degree of contamination of the environment. The pH electrodes type  HI 1001 are wired permanently and are available in two lengths. The pH electrodes are suitable for standard applications in processes with a very low level of solids. As they can be introduced into body fluids or protein fluids, as well as heavy metals, these pH electrodes are suitable for use in the treatment of municipal and industrial wastewater. If the soil content is very high you can use for example the electrodes HI 1192T. These pH electrodes can enter in a support for electrodes, like the HI model 1110T. The installation of the HI 1001 is performed by a thread. If you have technical questions about these pH electrodes, please contact us on: UK customers +44(0) 23 809 870 30 / US customers (561) 320-9162. Our technicians will  advise you on this subject as well as in other instruments in the field of meters and scales.

You will find information about the pH electrodes in the following table:


Technical specificactions


HI 1001

- Measuring range:

  0 ... 14 pH

- Double Diaphragm,


- Electrolyte: polymer

- Temperature range

  -5 ... +80 ° C

- Max.pressure 6 bar

 - Jack: BNC

- Cable length: 3 m

- Body: Glass

Wastewater treatment, organic and protein solutions, heavy metals

Technical data for HI 1001 model pH electrodes for model HI 1001
HI 1110T

- Measuring range:

  0 ... 12 pH

- Diaphragm simple ceramic

- Electrolyte: Gel

- temp range.

  0 ... + 60 ° C

- Max.pressure 6 barr
- Jack: S7 / PG 13,5
-- Body: Glass

General applications low degree of dirt

Technical data for HI 1110T model pH electrodes for HI 1110T model
HI 1192T

- Measuring range:

  0 ... 12 pH

- Diaphragm PTFE +

KCI dust

- Electrolyte: polymer

- Temperature range

  -5 ... +80 ° C


- Max.pressure 8 bar
  (25 °C)
- jack: S7 / PG 13,5
- Reference: Ag/AgCl
- Body: High Resistance Glass

Industrial processes, low-conductivity measurements, dirty solutions

Technical data fo HI 1192T model pH electrodes for the model HI 1192T
Additional components
CA 778/x Electrode cable Ø 5 mm , screw head S7  and BNC 
plug Available in various lengths: 1, 3, 5, 7, 10 m

Ideal for:
HI 1110T, HI 1192T

pH electrodes cable; in lengths up to 10 m
HI 6051 PH electrode holder, length 1105 mm

Ideal for:
HI 1110T, HI 1192T

PH electrode holder to be inmerse in tanks

The pH electrodes allow measurement of pH with electric meters. Certainly there are indicators or test strips to easily determine the pH, but these are very vague and pH-electrodes: In aquatics a pH control is also necessary.not at all comfortable in practice. To determine the pH value of pH electrodes, they should be in direct contact with the medium being measured. In the glass membrane pH electrodes generate a voltage that indicates the current pH value. This measurement is much more accurate and quick. However, it is necessary to take several things into consideration when measuring pH electrodes. The pH meters need to be recalibrated periodically by buffers and a defined pH value. This is because pH electrodes deteriorate and therefore the voltage curve is subject to change. The deterioration of pH electrodes also means that at some point they stop working. The life of pH electrodes depends on several factors. Very dirty solutions and high temperatures require a shorter calibration interval and shorten the life of pH electrodes. To extend the duration is often advisable to clean the pH electrodes. If the pH electrodes are not used,  there is a danger that they become unusable. The pH electrodes must be stored in a completely dry atmosphere or have them placed in the preservation solution. Never leave the pH electrode in distilled water.

If you wish to view or print selection of pH Electrodes from our catalogue, click the PDF symbol
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If you have any questions, call our offices on:
UK customers +44(0) 23 809 870 30
US customers (561) 320-9162

Below you will find an overview of the different product groups of measuring instruments

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Below you will find an overview of the different product groups of scales and balances

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