Milwaukee pH55 waterproof pH and temperature meter with replaceable electrode.

• pH range: -2.0 – 16.0 pH
• Resolution: 0.1 pH
• Accuracy: ±0.1 pH
• Calibration: automatic 1 or 2-point with 2 pre-programmed sets (pH 4.01 – 7.01 – 10.01) or (pH 4.01 – 6.86 – 9.18)
• Automatic temperature compensation