FS400A-G1 Flow Meter
Water flow sensors consists of magnetic core, rotating impeller, external casing and a hall-effect sensor. When water flows through the rotor, the rotor turns which activates the magnetic core. The hall-effect sensor outputs the corresponding pulse signals, users can get the flow speed via detecting the pulse. It is suitable to detect flow.
The water flow sensor outputs pulse proportional to the water flow with
Pulse Frequency = Flow *4.8.
That is, if the output frequency is 48, then the water flow: 48/4.8= 10(L/min)
Quick Spec
- Flow range:1-60L/min
- Interior diameter: 20mm (0.81")
- Maximum current: 15 mA(DC 5V)
- Working voltage range: DC 4.5-18 V
- Load capacity: 10 mA(DC 5V)
- Operating Temp: 80°C
- Operating humidity:35%-90%RH
- Water pressure < 1.20 Mpa
- Flow = 4.8 * units of flow (L / min) * time (seconds)
- Connector Type: Female 3-Pin JST-SMP
Flow Sensors we stock
| Model | Port Size | Flow Rate |
| FS400A-G1 | 1" (25.4mm) | 1-60L/min |
| YF-201 | 1/2" (12.7mm) | 1-25L/min |
| YF-S401 | 1/8" (6.35mm) | 0.3-6L/min |
Pin Layout

- Black - Supply Negative
- Yellow - Signal
- Red - Supply Positive
Shipping List
- 1 x FS400A-G1 flow meter
FS400A-G1 flow meter
- Brand: Generic
- Product Code: FS400A-G1
- Weight: 0.082kg
- Product Status : Active
Stock
| Warehouse | Stock Status | Location |
|---|---|---|
| Centurion | No Stock | |
| Stellenbosch | No Stock |
We ship free of charge between branches to complete your order.
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R148.00 (Inc Tax: R170.20)
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