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How Northumbrian Water improved data reliability and efficiency

How Northumbrian Water improved data reliability and efficiency

February 22, 2023

A few years ago the Northumbrian Water Group (NWG) sampling team experienced intermittent problems with their Quality Control samples resulting in the need for repeated investigation and time lost. The team has been using handheld colorimeters to measure free and total chlorine and a through investigation showed that there were certain users who consistently performed the test better than others. Additional training improved the situation but did not fully solve the issue.

The solution - SL1000
The Hach SL1000 Portable Parallel Analyser with Chemkey reagents were implemented allowing testing with only half the manual steps as the original technique. It allows highly accurate results with less opportunity for errors, in a fraction of the time. Up to 6 parameters can be tested in parallel.

Benefits obtained
Sampler time reduced from 6 minutes to 90 seconds for all required tests. Another very important benefit is an improvement of traceability of data. Further, 4 different parameters can be tested at the same time and the automation and simplicity of data collection reduces operator error.

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