_x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ This 2-in-1 pH & ORP controller and monitor simultaneously measures and displays both pH value and redox value (ORP). It comes with 2 BNC electrodes (pH and redox) and 2 output power sockets. Both electrodes are detachable, they can be replaced easily at any time. As for the relay output power sockets, you can plug in your own device to it, e.g. air outlet stone, O3 ozoniser, oxygen pump, CO2-regulator, electromagnetic valve and other ORP & pH control devices. Simply set the desired Hi/ Low pH/redox values in the controller. It will turn on your device if the currently measured pH or Redox value is lower than your set value, and it will turn off your device if the measured value is higher than your set value. Measuring range PH: 0.00 ~ 14.00pH ORP: -1999 ~ 1999mV Accuracy PH: plusmn0.1%+0.02PH ORP: plusmn5mV Resolution PH: 0.01pH ORP: 1mV Set Range PH: 3.50 ~ 10.50pH ORP: -500 ~ 500mV Relay Contact: 5A for AC 110V or 220V Environment Operation Temperature : 0 to 50 degC (32 to 122 degF) Ambient Humidity : 90 or less than 90 % R. H. Power Requirement : AC110V plusmn10% 60Hz / AC220V plusmn10% 50Hz Power Consumption : 2 Watts Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on color:Blue Material:composite material Package Contents: 1 x 2-in-1 pH & ORP controller and monitor Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_