Home > Electronics > DIY Parts & Tools > G1/2 Flow Switch Water Heater Flowmeter Counter Flow Switch Valve 20mm
G1/2 Flow Switch Water Heater Flowmeter Counter Flow Switch Valve 20mm

G1/2 Flow Switch Water Heater Flowmeter Counter Flow Switch Valve 20mm

Item ID: 14014447

Sale Price:US$5.25

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Product Details

Water flow sensor is mainly consists of plastic valve body, rotor assembly and Hall Current Sensor.It is installed in the hot water inlet end for detecting water flow. When water through the flow rotor assembly, Magnetic rotor will rotate and Speed will change as the flow change. Hall Current sensor output corresponding pulse Signal and feedback to controller, then the controller will control the flow.

Features:

  • Lght weight, easy to install
  • Suitable for rapid-type electric water heater and water-storage type electric water heaters' water power control
  • When water flows within the flow switch, and water flow ≥1.0L / min, the magnetic core in the flow switch driven by the push of water starts to move; the core's displacement causes magnetic effect and makes flow switch output "ON" signal. The signal inputs device control system, the control system finishes control action; when the water flow is less than the beginning flow, the flow switch output "OFF" signal.  The control system will generate reverse control action.
  • Water flow - ON; No water flow - OFF

Specification:

  • The lowest rated working voltage: DC 5V-24V
  • Maximum operating current: 0.5A
  • Maximum load current: 1.0A
  • Maximum load power: 10W
  • Maximum contact resistance: 100mΩ
  • Maximum switch voltage: 110V DC
  • Minimum collapse voltage: 220V DC
  • Start water flow: ≤1.0 L / min
    Working Flow Range: 1-25L / min
  • Start pressure: ≤0.1Mpa
  • Max. pressure: 2.0Mpa
  • Min. pressure: ≤1.75Mpa
  • Work temperature: 1- 120 ℃
  • Ambient temperature: -40~150℃
  • Span: 180 times (switching cycle)
  • Work humidity range: 35%~90%RH (no frost)
  • Allowing pressure: pressure 1.75Mpa
  • Storage temperature: -25~+80 ° c
  • Save humidity: 25%~95%RH
  • Response/Release time: 0.2s
  • Dimension(L*D): Approx. 53mm*22mm/2.09x0.87inch
  • Cable length: Approx. 35cm/13.78inch
  • Input/Output Screw Diameter: Approx. 20mm/0.79inch
  • Color: Black

Package Includes:

  • 1 x Water flow Switch