Gravity: Liquid Flow Sensor (G3/4)
Electromagnetic flow sensor for low-viscosity liquids with G3/4 thread; 3.5–24 V, NPN pulse output (75 pulses/L), ±1% accuracy at 20–3000 L/h, range 30–3000 L/h. Maximum pressure 1.2 MPa; O-ring sealed, RoHS compliant.
Pinout
- Green WireOfficial table 2 row 1
OUT / Signal Output
Type · GPIO - Red WireOfficial table 2 row 2
VCC / Positive Power Supply 3.5V-24V
Type · Power - Black WireOfficial table 2 row 3
GND / Negative Power Supply
Type · Ground
| Pin | Position | Type | Function |
|---|---|---|---|
| Green Wire | Official table 2 row 1 | GPIO | OUT / Signal Output |
| Red Wire | Official table 2 row 2 | Power | VCC / Positive Power Supply 3.5V-24V |
| Black Wire | Official table 2 row 3 | Ground | GND / Negative Power Supply |
Pin details
3 connections- Green WireOfficial table 2 row 1
OUT / Signal Output
GPIO - Red WireOfficial table 2 row 2
VCC / Positive Power Supply 3.5V-24V
Power - Black WireOfficial table 2 row 3
GND / Negative Power Supply
Ground
Start wiring
Analog · UART · 3.3 – 5 V · Gravity
Verify supply voltage and logic levels before powering up.
Module pins: Red Wire, Black Wire. Schematik maps them to your board in the app.
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