Free chlorine analysers and Total chlorine analysers measure the chlorine in water that is ‘residual’ (left over) after disinfection has happened. i.e. if you add chlorine to water it disinfects, and if there is any leftover, it is ‘residual’ and therefore available to disinfect more.
Related Posts
December 6, 2023
Process Instruments Turns 25!
From chlorine analysers to suspended solids monitors, in the last 25 years Pi has developed…
February 15, 2022
A new face in the UK sales team!
Louis Wilmot joined Pi at the beginning of January 2022 to provide sales and applications…
February 2, 2022
Pi’s CRIUS®4.0 Multi-Parameter Analyser in use at the 2022 Beijing Winter Olympics
Pi’s representatives in China have completed installation of two recirculating cooling water systems at the…
January 25, 2022
Pi recruits new salesperson to the UK sales team!
Darren Stallan joined Pi at the beginning of January 2022 as one of our current…
July 4, 2025
Lunch and Learn with Jacobs
Lunch and Learn with Jacobs Jacobs provides speciality and scientific consulting services across many global…
June 26, 2025
AMP 8 Cycle – Are You Investing in the Right Equipment?
AMP 8 Cycle – Are You Investing in the Right Equipment? Following the privatisation of…
June 18, 2025
Instrument Controller Replaced After a Decade of Polymer Dosing Control
Instrument Controller Replaced After a Decade of Polymer Dosing Control Around 10 years ago Pi…
June 12, 2025
Alkalinity Monitor Installed on one of Rio de Janeiro’s Biggest Drinking Water Plants
Online Alkalinity Monitor, AlkaSense® Installed on one of Rio de Janeiro’s Biggest Drinking Water Plants…
