Liquido calibracion ec1413 ms 20 ml (25 sobres) water master

It helps to calibrate your instruments and have them measure accurately, you will need to adjust the meters at least once a month.

You just have to introduce the meter into the calibration liquid and in a few seconds check if the meter shows 4, otherwise you will have to calibrate it, normally it is done by turning a small screw.

It is recommended to clean the electrodes after each measurement, with a cleaning solution.