Concept
Endress and Hauser Orbisint CPS11 sensor pH sensor
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1813/1/ | |
|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | |
| Alternative Labels | Orbisint CPS11/CPS11D | |
| Definition | A pH electrode. Used for pH measurement in process and environmental applications - such as long-term monitoring and limit monitoring of processes with stable process conditions in industries such as the paper industry, plastics chemistry, power plants, food industry, and breweries; and also for water treatment. The membrane glass of the electrode supplies an electrochemical potential which is dependent upon the pH value of the medium. This potential is generated by the selective penetration of H+ ions through the outer layer of the membrane. An electrochemical boundary layer with an electric potential forms at this point. An integrated Ag/AgCl reference system serves as reference electrode. The transmitter converts the measured voltage into the corresponding pH value using the Nernst equation. The sensor is supplied with a dirt-repellent PTFE diaphragm. The instrument can be supplied with an optional built-in temperature sensor and/or an optional salt ring for low conductivity applications such as boiler feed water and water for injection. The sensor is suitable for use in harsh applications as the glass used is processed for use in highly alkaline media, is pressure-stable up to 16 bar (232 psi), and can be used in temperatures up to 135 degrees Celsius. | |
| Date | None | |
| Identifier | TOOL1813 | |
| Note | accepted | |
| Is Version Of | TOOL1813 | |
| version | 1 | |
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