PH meter Description Online pH / ORP meters and pH / ORP controllers are one of the most common water quality analysers in use today in water treatment and process plants and yet online pH / ORP meters cause continual problems for their operators. What is needed is a stable, reliable, online pH/ ORP analyzer for a reasonable cost. That is exactly what you get with the BOQU Instrument. A pH and ORP meter consist of a pH or ORP sensor, transmitter and process adaption, combined to best suit your pH control needs. The online ORP meter from BOQU Instrument provides accurate process pH measurements in a wide range of environments, from ultra pure water to hygienic measurements in a bioreactor to dirty chemical production. Our Advantages 1ã??Stable, Reliable,Precision,Continuous measurement pH,ORP and Temperature. 2ã??Instrument for panel mounted,wall mounted,pipe mounted. 3ã??2 ways of 4-20mA and standard RS485 Modbus RTU 4ã??Instrument provide High/Low control relay 5ã??Local Data logger function for 1000 times 6ã??Application:industrial waste water, drinking water environmental monitoring, ultra pure water,fermentation, food production process etc. If you need our online ph meter, you can contact us through our online chat window.