Working principle:
When the water flows through the rotor, then rotor is rolled.Its speed changes with different rate of flow. Then the magnetic rotor make reaction to Hall sensor,The hall-effect sensor outputs the corresponding pulse signal .The flow sensor is suitable to detect the flow rate.
Specification :
Thread size :DN20, G3/4” (BSP) , male.
Flow hole: 14mm (diameter)
Voltage: DC4.5-18v
Body Material: brass
Flow rate : 2~45L/min
Flow Pulse: F(Hz)=8.1*Q – 3(+/-10%) Q=L/min
Max. Working Current : 10mA (DC5 V)
Min. Working Voltage: DC 4.5V
Working Voltage: DC 4.5V~18V
Load Capacity: =10 mA (DC 5 V)
Insulation resistance: over 100M Ohm
Max pressure: 1.75mpa
Suitable for liquid : water.(less than 60 cel. degree)
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