Sensor manufacturer / supplier in China, offering Digital Turbidity Sensor Meter with RS485 for Precise Water Quality Monitoring Professional Meter, Advanced Multi-Parameter pH Instrument 6-in-1 Solution with Do/Ec/Turbidity/Nh4 Sensors for Reliable Testing, 6-in-1 Monitor pH/Do/Ec/Turbidity/Nh4 Sensors for Advanced Multi-Parameter Water Analysis and so on.