1 point (not including calibration buffer solution), Measuring pH Range: 0.0 – 14.0 pH, Dimensions: 152x 29x 20mm (5.984x 1.142x 0.591 inch), Item Net Weight: Approx. 57g (after installed batteries), ±0.2 pH, Calibration: Manual, Resolution: 0.1 pH, Accuracy: ±0.1 pH (20°C), Operating Temperature: 0 – 50°C (32 – 122°F).
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Here is price history (for all/most countries) for Digital PH Tester Meter Pen. The lowest price was: $4.99.Gearbest , Banggood Price Alert
