Jun 30, 2023
We tested the measurement accuracy of some commonly available electrical conductivity (EC) meters using a conductivity standard solution. The standard had a EC of 1413 uS/cm. As we can see, only 3 out of the 5 testers meet the accuracy criteria. They seem to have the same make but the accuracy varies. Screening the accuracy of readily available testers seems to be an important step before carrying out testing.
Anool like this.
Lack of reliable water quality data is leading to serious global health issues. The UNEP estimates that around 3 billion people are at health risk due to scarcity of water quality data, which mainly stems from the lack of resources such as testing labs and manpower. In this project, we will explore the use of low-cost water testers and evaluate their efficacy in accurately mapping the quality of river water in Goan rivers (India) using an open-source, citizen science-based approach.
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