SURFACE WATER QUALITY STEWARDSHIP TOOLBOX Quick Reference LaMotte 2020we Turbidity Meter Calibration Perform a calibration within 24 hours before a site visit This is an example of calibration instructions of one specific model of turbidity meter (i.e., LaMotte 2020we). ENV has summarized quick reference information to show a calibration procedures example. Always refer to the manual that came with your instrument for detailed calibration and instrument care instructions. The LaMotte 2020we portable meter allows you to calibrate for expected higher and lower turbidity readings. The 1 NTU calibration standard should be used for expected low turbidity (usually low flows ...
Fact Sheet Oct. 2009 DOH 331-404 Calibrating turbidity meters Turbidity meters (known as “turbidimeters”) measure the clarity of your water and provide an important “window” you can use to judge the effectiveness of your treatment process. To ensure turbidimeters are accurate, the state Department of Health requires surface-water treatment plant operators to calibrate them at least as often as recommended by the manufacturer. If your last calibration was more than three months ago, it’s probably time for a check up. Calibrating your turbidity meter A properly calibrated turbidimeter allows you to It is important to start ...
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