PH-900/PH-900A Mini pH Tester
Range: 0.00—14.00 pH,
Resolution: PH-900: 0.01 pH, PH-900A: ±0.1 pH
Accuracy: PH-900: ≦±0.03 pH, PH-900A: ±0.1 pH
Temp. C: 5—50℃, (ATC)
Calibration: Two-point at 6.86pH and 4.01pH (or 7.0pH and 4.01pH) Low battery：As long as there is any display, the accuracy is guaranteed.
Battery Life: DC 4 x 1.5V