PH-2023 Waterproof Pen-type Soil pH Meter Model PH-2023 Measuring Range pH 0.00–14.00 pH Temp 0–50°C Resolution pH 0.01 pH Temp 0.1°C Accuracy pH ±0.02 pH Temp ±1°C Automatic Temperature Compensation 0°C–50°C Battery 2×1.5V (AAA Batteries) Operating Temperature 0°C–50°C Calibration Automatic 2-point calibration Dimensions 207 × 32 × 36 mm Weight 90g
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