Range 0.00 to 14.00 pH Resolution 0.01 pH Accuracy @ 25°C ±0.02 pH Calibration manual, 2 point, with offset and slope trimmers Dosing Relay max 2A (fuse protected), 250 Vac, 30 Vdc Dosing Selection acid or alkaline contact open=acid dosage=relay ON if measurement > set point contact close=alkaline dosage=relay ON if measurement < set point Setpoint adjustable from 0.00 to 14.00 pH Overtime adjustable, typically from 5 to approx. 30 minutes Recorder Output 4-20 mA, accuracy ±0.20 mA, 500 Ohm max load Input Impedance 102 Ohm Power Supply See Chart Dimensions 79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’) Weight See Chart Nguồn cung cấp 115VAC Hãng sản xuất: hanna - Italya