Adwa AD203 EC, pocket-meter, easy to read. Measures quickly and reliably the total of dissolved solids in the solution. Automatic temperature compensation. The splash-proof keypad prevents infiltration of water in testers. To calibrate the tester just dip the electrode in the calibration solution.

- Range: 0 to 1999 µS

- Accuracy: 2% PE

- Calibration: manual