Stainless Steel IP67 PNP Realy LED Display Electronic Thermal Flow Switch for Seweage Monitoring

Factory Price PNP Output Water IP67 SS316L Intelligent Customized Thermal Flow SwitchQLK400 is a thermal flow transmitter with a switch that could do real-time monitoring of liquid in the pipeline and it shall show the flow condition by several LED displayers. It can monitors the following conditions:Flow speed increasing or reducing, medium exists or not, the medium is moving or not.It is used to protect the idling pump and monitor the flow rate in the pipeline.  Main Features1.All stainless-steel case without movable components2.Maintenance-free3.Switching point could be set on site4.LED displayer shows flow state and on-off stateSpecification of QLK400 Thermal Flow SwitchMeasuring Range1~150cm/s(water), 3~300cm/s(oil) 200-300cm/s(air)  Power Supply24 ± 20% VDCOperating Temperature-30°C~80°CMedium Temperature-20°C~80°COverload Capacity10MPaProtection LevelIP67Measuring MediumFluid, Water, Oil, Petroleum, air Switch TypeRelay, PNP, NPNResponse time2sConsumption Current