Apera Instruments PH850 MS Portable pH Meter for Test Tubes and Small Liquid Samples; Equipped with LabSen 243 6 pH/Temp. Electrode (6mm)

Equipped with Swiss LabSen 243-6 Glass pH/Temperature Electrode (6mm in diameter), designed for pH measurement of semi-micro samples (>0.2mL) Smallest test volume is 60µL with the use of the semi-micro container (sold separately) 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