Water & Wastewater Treatment Magazine
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Top tips for… analyser maintenance Keeping continuous water analysers well maintained is vital to ensure you can rely on the information they provide Continuous water analysers are useful tool to help meet tighter environmental regulations and rising customer expectations, but their performance is only as good as the condition of the analyser itself. With the introduction of ever more stringent standards by the UK Environment Agency, it is particularly important to maintain analysers to the highest possible levels as a matter of best practice. In the event of a water quality incident, operators must demonstrate that their monitoring and measurement equipment was being correctly maintained. The Knowledge 1 Heed the warning signs Many of the latest generation of analysers incorporate self-diagnostic features and alarm capabilities to warn when something is wrong. Although these signals are useful in determining when maintenance needs to be performed, it is nevertheless advisable to have a preventive maintenance regime in place to help extend the life of the instrument. 2 Check reagent levels Reagents are crucial for producing the chemical reaction needed for accurate measurement to take place. As such, it is important to ensure that reagents are replenished as soon as they are exhausted. Checking reagent consumption regularly will help you predict the best time to carry out 8 TOP TIPS Summary The important role played by continuous water quality analysers in safe- guarding the quality of both potable and treated wastewater makes it vital they are kept in top work- ing order. With analysers very much on the front line of every water treatment process, the need to en- sure they are kept in good working order is critical to avoid any penalties arising from a failure. Following the steps outlined here will provide a useful starting point for helping to design an effective maintenance strategy and prolong the life of continuous water analysers. • mOrE INFO ABB offers comprehensive servicing and support for continuous water analys- ers. For more information, call 01480 488080 or email abb.service@gb.abb.com. www.wwtonline.co.uk | WWT | JUNE 2017 | 27 JON FARRINGTON, TECHNICAL MANAGER, ABB