Digital water tester for measuring TDS, EC, PH, salinity and water temperature, widely used in drinking water, swimming pool, aquarium, fish tank The probe is detachable, aging or damaged probe is easy to replace Automatic temperature compensation enables the water quality tester to get accurate readings at different water temperatures, and temperature unit can be switched between / The sensitive waterproof probe enables the TDS meter to measure values in seconds, quickly and accurately. It will power off automatically after 5 minutes without any operation Equipped with rust-resistant probe, clear LCD display with backlight and data hold function, easy to read and maintain. register. Small size and light weight, easy to carry and store Specification: Item Type: Quality Tester water Material: ABS CE test range: 0-10000uS/cm 10.01-19.99ms 20.1-400mS/CM Resolution: 1uS / cm; 0.1mS/CM Accuracy: 2% of reading TDS Test Range: 0 to 1000ppm 1000ppm to 10000ppm 10.1 to 200.0ppt Resolution: 1ppm; 0.1ppt Accuracy: 2% of reading Salinity test range: 0.00 to 25.00% Resolution: 0, 01% Accuracy: 0.01-5.00% (0.1%) 5.10-25.00% (1%) Test range of pH: 0.01-14.00 pH Resolution: 0.01 pH Accuracy: 0.05 pH Temperature compensation: automatic compensation temperature range (ATC) Working environment: 0-60.0 (32.0-140); 100% RH TDS Factor: 0.4-1.0 Temperature Range: 0.1-60.0 32.0-140 < p>Temperature accuracy: 0.5 Temperature resolution: 0.1/ Battery: 3 x 1.5 LR44 button batteries (not included)< /p> Auto power off: 5 minutes Waterproof grade: IP67 Power consumption: 2.9mA, power consumption for shutdown is 0< /p> Feature: Within 150ppt, the accuracy is relatively accurate, while above 160ppt, the deviation is relatively large, the electrode should be cleaned after each use. < p>Display Screen Size: Approx. 33 x 24 mm / 1.3 x 0.9 inch Product size: approx. 183 x 37 x 37 mm / 7.2 x 1.5 x 1.5 inch Weight: approx. 160g / 5.6oz Package List: 1 x Water Quality Tester (Battery Not Included) 1 x User Manual Note: Be sure to clean the electrode after each use.