Thermal Flow Switch with High Reliability for Measure Water or Liquid Flow

Product Introduction:QFS-400 flow switch is a kind of real-time monitoring measurement instrument that used for liquid flow in pipeline .It adopts full metal jacket, no moving parts, output continuously adjustable, compact structure. 6 LED real time display the state of flow and output. Convenient installation, suitable for various pipe diameters. Widely used in hydropower and other pipeline fluid flow monitoring industry. Model: QFS-400 Flow SwitchRange:1~150cm/s(water),3~300cm/s(oil)  Feature:  High accuracy, good stability, long working life and high reliability Small in size,convenient installation 6 LED real time display. Dimensions :( unit: mm)   Electrical connection:  CodeColorNO.Excitation +Brown1Excitation -Blue3Relay: Normally openWhite2Relay: Normally closeGray5Relay:COMBlack4Transistor:NPNBlack4Transistor:PNPBlack4      Technical Specifications:  Measuring mediadilute non-corrosive liquids(water,oil…)Measuring rangesbar1~150cm/s(water),3~300cm/s(oil)Excitation voltageVdc24±20%VDCOutput signalRelaySPDT(≤250VAC/30VDC, 3A)TransistorNPN,PNP(≤24±20%VDC,1.2A)Response times2s(1~15s)Initialize times8s(2~15s)Medium temp.ºC-20~80ºCEnvironment temp.ºC-10~+70Storage temp.ºC-25~85ºCConsumption currentmA