Calibrating electrical conductivity meters
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.


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