YF S201C Water flow sensors is a simple sensor for measuring the flow of liquids. YF S201C Consists of a pinwheel that has a magnet and Hall sensors. By counting the pulses of a hanging fan, in a simple way, you can measure the flow of liquids. With this method, the electronic part of the sensor has no contact with water. Water flow sensors are installed at the water source or pipes to measure the rate of flow of water and calculate the amount of water flowed through the pipe. This is a 1/2" inch size water flow sensor made by rotor assembly and the Hall sensor. Can be fixed with 1/2" pipe and mounted at the inlet end of the heater, for detecting a water flow, when the flow of water through the rotor assembly and the speed of rotation of the rotor with a magnetic flow change, a pulse signal corresponding to the Hall sensor output, the feedback to the controller, the control is to determine the size of the water flow regulation.
The device has three wires:
By counting pulses you can track the fluid flow in a simple way. It should be noted that this is not a sensor for precision measurements. However, it is ideal for use in hobbies that do not require greater accuracy than 10 %.
Sensing range: 1-30L/min, 300 pulse = 1 liter water. Frequency, pulse number = F=5*Q(L/Min)*T-3 in which Q is the unit flow volume, liter per meter, T is the time, 5 and 3 is the constant value, for example, 5 * 1 liter * 60 sec – 3 =300 pulse precision is ±2%
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1x Water Flow sensor YF-S201C