Twin pH Meter II LAQUAtwin (waterproof Type) AS-pH-11

Calibration: Automatic 2 points Measurement range (pH): 0~14 Resolution (pH): 0.1 Measurement method: Glass electrode method Accuracy: ±0.1 Operating temperature: 5~40℃ Functions: Automatic temperature compensation, waterproof structure, auto hold, auto stability, auto power off (30 minutes), automatic standard liquid recognition, standard liquid NIST/USA selectable, temperature sensor adjustment function Power supply: CR2032 button battery x 2 (included for testing) Size: 164 x 29 x 20 mm (excluding protrusions) Weight: Approximately 50g (excluding battery) Waterproof: IP67 equivalent Accessories: Sampling sheet, storage case, dropper, pH4 standard solution (14mL) x 1, pH7 standard solution (14mL) x 1