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pH Transducers
The pH transducers transform pH value in 4-20 mA signal.  Professional pH Transducers for the inspection and controlThe advantage of converting the measured value directly in the measurement place by means of pH transducer is that the measured value can be transferred without any loss at a long distances. The pH electrode has a connection cable with a maximum length of 10 m. In case the pH electrode output signal has become 4-20 mA signal using the pH transducers, this signal could be carried out along several hundred meters. HI 8614N pH transducers operate within a measurement range from -2 to +16 pH. The measured signal proportionally transforms itself into 4-20 mA signal which can be read by many different regulators as well as digital indicators. The temperature compensation is performed with a fixed temperature or by means of the optional sensor temperature. The IP 65 protection allows the usage of pH transducers either in dusty or wet environments. The HI 8614LN pH transducer offers a display which shows the measured value in situ. If you do not find the pH transducers you are looking for, please contact us and we will help you find the best solution to suit your needs: UK customers +44(0) 23 809 870 30 / US customers (561) 320-9162 and our technical staff will advise you regarding our measuring instruments and scales.

Technical information about our pH transducers can be found at the following links:

- HI 8614N pH transducers
  (two-wire transducers for pH, 4-20 mA output, range from -2 to +16 pH)

Two-wire HI 8614N pH transducers for pH, 4-20 mA output, range -2 to +16 pH

- HI 8614LN pH transducers
  (to measure pH value, with LCD display, range from -2 to +16 pH, 4-20 mA output signal)

HI 8614LN pH transducer to measure pH value with LCD display, range -2 to +16 pH, 4-20 mA output signal

- Mobile pH meters
   (handheld pH meters powered by batteries for mobile use)

Mobile pH meters, handheld and table-top devices for the analysis of the pH value

InpH Transducers different industrial sectors, the pH value should be continuously checked and tested. The measurement chain is formed, in the simplest case, by both pH electrode and control unit. However, the distance between the pH electrode and the control unit is limited. For longer distances, pH transducers should be used. The pH transducers measure the output voltage of the pH electrode in the measurement place. Then, this value is transformed into a current signal. The advantage is that it is possible to perform measurements from several hundred meters. The normalized signal can be read and processed by several units such as regulators, digital indicators or even dataloggers. This signal is sent regardless the cable length. Some pH transducers have a built-in display, so pH values can be read at the measurement place. The connection between the pH electrode and the type HI 8614 pH transducer is very easy to install by using BNC connectors.

If you wish to view or print a selection of pH transducers 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

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

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