5 IN 1 PH Meter Rowyet Multiparameter water test meter is equipped with 5 different functions for water quality test: Salinity + TDS + EC + pH + Temperature are combined perfectly in one meter.This is not only been convenient for your different water testing needs, but also saves your time and money. Wide Usage TDS Meter Tds meter is an essential tool to improve your life quality. This tds meter digital water tester can be applied in the following applications,drinking water quality test, swimming pools quality monitor, PH balance measurement in RO/DI system, aquarium, spa,hot tub or hydroponics. Automatic Temperature CompensationpH meter for water temperature can affect reading levels,ph tester digital thermomet range of 0 C-60 C (32 F-140 F),ph meter for water has automatic temperature compensation can ensure that you are getting the best reading, so as to solve the inaccurate problem caused by changing the liquid temperature. Three Display Designs for Salinity Tester: PPM + PPT + %.For Swimming Pool Salt Test : 0-9999ppm; Seawater Test: 10-200ppt (1ppt=1000ppm, when ppm figure is over 9999ppm, the meter automatically changes to ppt ). For Food Test : 0.01-25%.So you dont have to calculate complex salt content level numbers between different units, which help you to avoid calculating mistake and also makes result-reading easier for you. High Accuracy pH meterWater testing kits for drinking water with high sensitive glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. When the measured value is stable, just press the HOLD/TEMP key to lock the measured value and take it out for viewing,ph pen one-button lock reading function.Water tester for drinking water design easy and convenient operation offers premium experience.