The WATER FLOW SENSOR is mainly composed by plastic valve body、rotor assembly and hall sensor.
It is installed at the inlet end of water heater to measure the inlet flow rate. When water pass through the rotor assembly, the magnetic rotor rotates and the rotational speed changes according to the flow rate. The hall sensor output the corresponding pulse signal to the controller, which with the function of flow quantitative analysis and setting.
Model No.: YF-S201
1 Sensor: Hall Effect ; Pulse Signal 2 Pipe Connection: G1/2'' 3 Product Material: Nylon + glass fiber 4 Operating Range: DC5~18V / custom 24V 5 Working Current: >10mA 6 Rated Voltage: DC5V 7 Flow Range: 1-25L\min 8 Accuracy: F=7.5*Q ±3% (Q=L/min=60) 【F =7.5x60 = 450 pulses / liter / minute】 9 Water Pressure: <1.2MPa 10 Output Pulse High Level: >DC 4.7V 11 Output Pulse Low Level: >DC 0.5V 12 Output Pulse Duty Ratio: 50%±10% 13 Insulation Resistance: >100MΩ 14 Medium: water / hot water 15 Medium Temperature -20°C~+120°C 16 Apply for water heater / water dispenser
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