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Validation & Calibration
6 Validation & Calibration
How to perform a local validation and a local calibration
PH, Turbidity and PAH can all be validated using the certified standards. If the sensors
have drifted out of the allowed tolerances, the sensors can also be calibrated locally using
the certified standards.
Validation is a normal part of the maintenance of the sensor modules. A calibration will
only be required if the displayed values during validation deviate more than the accuracy
stated for the sensor module.
The calibration kit includes all consumables used to perform the validations and/or
calibrations.
Refer to MSDS for further information.
System Preparation
Turn the selector switch on the screen from auto to stop, and the pump will stop if it
was running.
For WM units turn VALVE 1 and 4 to STOP.
Refer to section 6.2 for WMRTU units.
Page 36 of 110
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