--- title: Potentiometeric Measurement Principle description: Here is a short video by Endress+Hauser explaining the discovery of the Potentiometric Measurement Principle in 1909. --- [![Convergent Water Controls](https://blog.cwc.com.au/hs-fs/hubfs/Images/Brand%20logos/CWC/CWC-Convergent-Water-Controls-logo.jpg?width=200&height=66&name=CWC-Convergent-Water-Controls-logo.jpg "Convergent Water Controls")](https://cwc.com.au/) **Call for Expert Help** 1800 137 954 [DIGICHEM Plus Login](https://cwc.com.au/pages/cloud-monitoring) [emec Nimbus Login](https://cwc.com.au/pages/cloud-monitoring-nimbus) [![Convergent Water Controls](https://blog.cwc.com.au/hs-fs/hubfs/Images/Brand%20logos/CWC/CWC-Convergent-Water-Controls-logo.jpg?width=200&height=66&name=CWC-Convergent-Water-Controls-logo.jpg "Convergent Water Controls")](https://cwc.com.au/) News + Insights ## Australia Wide! Exclusive Agent for **emec** in Australia [VIEW THE EMEC RANGE](https://cwc.com.au/collections/vendors?q=EMEC) # Potentiometeric Measurement Principle Here is a short video by Endress+Hauser explaining the discovery of the Potentiometric Measurement Principle in 1909 which became the basis for the development of the conventional pH scale. Our WA (Wedgewood Analytical) pH sensors/probes (Wedgewood Analytical) are a division of Endress+Hauser [![Benefits of Online Corrosion Monitoring](https://hubspot-no-cache-ap1-prod.s3.amazonaws.com/cta/default/4586940/interactive-296695720387.png)](https://blog.cwc.com.au/hs/cta/wi/redirect?encryptedPayload=AVxigLJwqYnIexBawu2D6lZwNU8ZQHlRRIDmCXaFvVr1x7XbiWtQpkf9H8oVDno1ECAzid1T01QuBWHoMfkbD%2FW3vEmHPfpQRAQqUV2yNk1%2F%2FFK6i3zBJ1Q06m6lOFm%2FGXYwdQar1ymUN3VcFHADiQdBkdPBlSXo89l4zW36U6YygL6y5Wnc7slyhkvd4I21%2FHxdkn8AxevKz%2BHlOJD1SD%2BBWcBt2Q%3D%3D&webInteractiveContentId=296695720387&portalId=4586940) #### Andrew Narunsky [Follow me on my website](https://www.cwc.com.au) [Follow me on LinkedIn](https://www.linkedin.com/in/andrewnarunsky/) Owner, Operations Director at Convergent Water Controls. In excess of 10 years in General Management and through the steady growth of Convergent Water Controls, I have gained enormous experience in Human Resources, Production & Operations, both at an Operational & Strategic Level. My combined background in commerce, financial administration & IT has enabled me to develop, implement & maintain many standardized systems and processes for business to operate effectively in order for employees, customers & suppliers to be managed professionally. ### Subscribe ### Recent - [The Value of Very Low Dose Chemical Dosing in Industry](https://blog.cwc.com.au/very-low-dose-chemical-dosing) - [Peristaltic Pumps with Leak Detection & Duty Standby Operation](https://blog.cwc.com.au/peristaltic-pump-leak-detection-duty-standby) - [Which Level Sensor Should I Choose – Ultrasonic or Radar?](https://blog.cwc.com.au/ultrasonic-vs-radar-level-sensors) - [Benefits of Online Corrosion Monitoring in Addition to Using Corrosion Coupon Racks](https://blog.cwc.com.au/benefits-of-online-corrosion-monitoring) - [Smart Boiler Feedwater Monitoring with Guardian IK-2000 Series](https://blog.cwc.com.au/blog/guardian-ik2000-boiler-feedwater-monitoring) [![The Guardian IK-2000 Series Sidebar Banner](https://hubspot-no-cache-ap1-prod.s3.amazonaws.com/cta/default/4586940/interactive-200206963780.png)](https://blog.cwc.com.au/hs/cta/wi/redirect?encryptedPayload=AVxigLI5OfopBVNAW56ZksOLuYPPOisaHe0G6zSuF3f2pJobv4ARRq%2BJY675iQa7Ef3Y7Y2rPKIXbDoNEFvZ54Yfsq%2BmkX7pZIlmWmG15CnF1nTyk11Hlw6h4WV0pIhJ832OedXDbwdbShKiCKTvEESvxoCd6SpbeRz85aIklagx5xV8DdBUhgwuk18pBSry%2FUqtMDDxUGDdQaHyF7CJuo5ODmVybVrz%2FEDAOyEtdg%3D%3D&webInteractiveContentId=200206963780&portalId=4586940) ### Topics - [News & Insight](https://blog.cwc.com.au/tag/news-insight) - [pH Correction](https://blog.cwc.com.au/tag/ph-correction) - [Chemical Dosing Pumps](https://blog.cwc.com.au/tag/chemical-dosing-pumps) - [Solenoid Metering Pump](https://blog.cwc.com.au/tag/solenoid-metering-pump) - [Hanna HI931001](https://blog.cwc.com.au/tag/hanna-hi931001) - [Peristaltic Dosing Pumps](https://blog.cwc.com.au/tag/peristaltic-dosing-pumps) - [Water Powered Dosing Pump](https://blog.cwc.com.au/tag/water-powered-dosing-pump) - [CWC News](https://blog.cwc.com.au/tag/cwc-news) - [Chemical Dosing](https://blog.cwc.com.au/tag/chemical-dosing) - [Stenner Pumps](https://blog.cwc.com.au/tag/stenner-pumps) - [pH/ORP Simulator](https://blog.cwc.com.au/tag/ph-orp-simulator) - [Boiler Blowdown](https://blog.cwc.com.au/tag/boiler-blowdown) - [DIGICHEM](https://blog.cwc.com.au/tag/digichem) - [ORP](https://blog.cwc.com.au/tag/orp) - [Pool Controllers](https://blog.cwc.com.au/tag/pool-controllers) #### Product Groups - [Systems](https://cwc.com.au/collections/systems) - [Instrumentation](https://cwc.com.au/collections/controllers-and-sensors) - [Chemical Pumps](https://cwc.com.au/collections/chemical-dosing-pumps) #### Customer Service - [Privacy Policy](https://cwc.com.au/policies/privacy-policy) - [Fair Use Policy](https://cwc.com.au/policies/terms-of-service) - [Contact Us](https://cwc.com.au/pages/contact) #### Information - [Company Overview](https://cwc.com.au/pages/company-overview) - [Brand Directory](https://cwc.com.au/pages/brand-directory) - [ISO Accreditation](https://cwc.com.au/pages/accreditation) [![Accreditation](https://blog.cwc.com.au/hs-fs/hubfs/raw_assets/public/ConvergentWaterControls_June2020/images/CWC-ISO-FOOTER.png?width=300&height=161&name=CWC-ISO-FOOTER.png "Accreditation")](https://connect.cwc.com.au/iso-accreditation) - - - - [![](https://cwc.com.au/cdn/shop/files/mail-xxl.png?height=48&v=1783918304)](mailto:support@cwc.com.au?subject=Website-Enquiry) --- © 2026 Convergent Water Controls Pty Ltd. 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