Xcellent Global 0.05pH High Accuracy Digital Pocket Size pH Meter Tester with ACT & Backlit LCD and TDS-3 Handheld TDS Digital Meter with Backlit LCD Combo, Handheld, Portable HG078
The pH meter Full measurement range of pH 0-14, 0.01 pH range of error; The TDS meter full measurement range of 0-9990 ppm, 1 ppm range of error, +/- 2% Readout Accuracy; Reliable and quick readings;
Each item with Replaceable Electrode and Long battery life (4 x batteries included)
Easy to carry and use with Handheld pen-type design
Features: pH meter with ATC (Automatic Temperature Compensation) (0~50 ?); TDS with Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.
The pH tester is great for home and laboratory pH testing applications including household drinking water, aquariums, swimming pools, tap water, RO System, Hydroponics, SPA, Laboratory and Scientific Testing. The TDS (Total Dissolved Solids) digital meter is great for water testing including drinking water, water filtration and purification, hydroponics (test your nutrients), aquariums, RO/DI systems, pools and spas, Alcohol concentration and more.