Humidity Sensor, Humidity Probe, Humidity Transmitter manufacturer / supplier in China, offering Online 3 Bar Pressure Resist Measuring Range 0.05 to 20 Ppm Working Temperature 0 to 45℃Free Chlorine Probe, Membrane Covered Amperometric Free Chlorine Sensor Cc1 for Swimming Pool Water Drinking Water Sea Water and Surfactant Containing Water, Free Chlorine Sensor 4-20 Ma Current Output with 2-Pole Terminal Connection 12-30 VDC Power Supply for Continuous Water Quality Monitoring and so on.