Calibration of MW302 EC meter:
Clean the sensor with alcohol and let it dry.
Open a sachet of EC 1413 calibration liquid and immerse the sensor (make sure that the 2 metal poles are immersed). Wait a few seconds for the sensor to detect the ambient temperature.
Adjust the data on the back of the meter with the screwdriver provided until reaching 1.4 mS/cm.
The meter is calibrated and ready to measure.
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