Digital Pocket pH Meter

Digital Pocket pH Meter Water Tester Pen LCD Monitor Pool Aquarium Laboratory TR Features: Measuring Range pH 0 - 14 pH Accuracy ± 0.1 pH pH (typ.) EMC Deviation ± 0.2 pH Operating temperature 0 - 50 ° C Power supply 4 x LR44 battery Dim. (W x H x D) 41 x 23 x 175 mm Weight 85 g Two-point calibration, calibration Resolution pH 0.1 pH Calibrated according to ISO 4 batteries Manual