These pocket testers have a large and easy to read display and for better resolution they also display the full scale readout so to obtain the actual test values.
These TDS pocket testers provide a fast and dependable way to measure the Total Dissolved Solids in your water samples. The built-in automatic temperature compensation feature ensures accurate readings under any ambient conditions.
The splash-proof keypad prevents water infiltrations into the testers. If calibration is necessary, simply submerge the electrode tip into the calibration solution and adjust the easily accessible trimmer on the side of the tester.