High/low Alarm Inline pH ORP Meter for Water

Digital PH ORP Controller is a device used to monitor and control the pH value and ORP value of water body. The pH value is an indicator of the acidity and alkalinity of the water body, and the ORP value represents the redox ability of the water body. Digital pH ORP analyzer usually consist of a controller and pH or ORP Sensor. If you need to adjust the pH or ORP value of the solution, a dosing pump or control valve is also required. DUC2-PH online pH ORP Controller is an intelligent instrument, it has a 3.2-inch LCD screen, which can display time, measurement value, relay status and current output value, etc. The controller can be connected with RS485 Digital pH Sensor or ORP sensor for real-time monitoring. The digital pH ORP controller is able to receive the signal sent by the sensor and process it to convert the signal into a readable digital value. The digital pH orp analyzer has an RS485 interface, which can realize data transmission and facilitate networking.

Feature:

Digital pH ORP controller compatible with RS485 digital pH or ORP sensor
2 configurable SPST relays
2 channels of 4-20mA current output, which can output the pH or ORP value of the temperature
1 RS485 interface, support Modbus communication protocol
Water pH ORP meter has time and historical data recording function
The size of 144*144*120mm meets various installation methods

Specification：

The working principle of the digital pH ORP controller is:
Firstly, it is measured by the sensor to generate electrical signals related to the pH value and ORP value, and the controller receives the signal sent by the sensor and converts it into a readable digital value. The user sets the closing value and breaking value in the relay in the menu, and connects the dosing pump. At this time, the digital pH ORP analyzer will compare the measured data with the target value, and control the dosing pump to adjust the acid-base dosing. Keep the pH of the solution within a certain range.