Hãng sản xuất: HANNA - Ý Range ±1000 mV Resolution 1 mV Accuracy ±5 mV Calibration manual, with CAL trimmer Dosing Relay maximum 2A (fuse protected), 250 Vac, 30 VDC Dosing Selection reducing or oxidizing, selectable on the back panelcontact open=reductant dosage=relay ON if measure > set point contact close=oxidant dosage=relay ON if measure < set point Setpoint adjustable from -1000 to 1000 mV 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