Apera Instruments PH850-PW Portable pH Meter for Pure Water (Drinking/RO/Distilled/Deionized Water), Equipped with LabSen 803 Electrode

Equipped with Swiss LabSen 803 Glass 3-in-1 pH/Temperature Electrode designed for quick and stable pH measurement of pure water (RO/Drinking/distilled/deionized water) and low ion concentration solutions Intelligent Functions: Self-Diagnosis of out-of-range value and electrode invalidation, auto. calibration, electrode slope display, Auto. power-off, easy parameter setting Rugged Structure Design: IP57 waterproof rating, soft silicone case gives you a firm and comfortable grip Powered by AAA batteries; the foldable stand also allows use as a benchtop meter