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Maintenance of sensors in water & wastewater applications – Maintaining the value of online monitoring in challenging environments

April 18


Process instrumentation is becoming more critical as water and waste water companies drive for automation, efficiency and control in a highly regulated sector. The introduction of innovative new process solutions, advances in process control and the realisation of big data analytics places more importance on the quality of data from instruments. A move towards remote decision making in today’s connected environment means we need ensure confidence in data.

For many analytical instruments the OPEX costs associated with keeping sensors operational far outweigh the purchase price over the sensor life. End users are now making decisions based on the whole life cost (TOTEX) of sensor systems taking frequency of visits, chemical consumption and general maintainability of sensors rather than the purchase price.

The event will break focus on three areas:

  • Instrument design – Designing for reliability, availability and maintainability
  • Service models – How the supply chain can add value
  • End users – How can we ensure trust in data

Chaired by: Leo Carswell, WRc Plc and Richard Bragg, United Utilities

Sponsored by: Servitech & Z-Tech and held at the Museum of Science and Industry, Manchester

Presentations can be downloaded in pdf format from the links below:

  1. Maintenance of sensors, end users perspective . Mark Gibson, Northumbrian Water Ltd
  2. MCERTS Flow measurement and maintenance requirements. Oliver Grievson, Anglian Water
  3. Sensor applications – Designing for maintenance and operation. David Claridge, Endress & Hauser & Richard Bragg, United Utilities
  4. How should we maintain our analysers? Steve Laddle, Servitech
  5. Reliable, Representative and Relevant – the Three “R’’s for online waste water measurement. Jim Pickering, Envitech
  6. Utilising smart technology to give you trust in your data. Jo Lamont, Z Tech
  7. Developing low maintenance sensors for wastewater. Leo Carswell, WRc



April 18
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