BOQU Industrial Online Conductivity TDS Meter is equipped with a microprocessor and complete English menu. It has display and menu operation pattern; it is characterized by its intelligent operation, multi-function and high measuring performance and its strong environmental adaptability. It can be widely used for continuous monitoring of the conductivities of solutions used in the following fields: thermal power plant, chemical fertilizer, chemical industry, metallurgy, environmental protection, pharmacy manufacturing, biochemistry, foodstuff and running water. Best 4 tank tds or ph EC monitoring tds meter 1)Instrument for industrial Conductivity,resistivity,salinity,TDSand temperature measurement, such as Waste water, drinking water environmental monitoring, fermentation, food production process etc. 2)Instrument for panel mounted,wall mounted,pipe mounted. 3)Instrument provide 2 ways of 4-20mA ,max load 500�©. 4)Instrument provide 3 ways of relays ,max 5A/250VAC or 5A/30VDC. 5)Instruments provide RS485 Modbus RTU communication.