DFRobot Gravity flow sensor 1/2 inch

The Gravity Water Flow Sensor from DFRobot measures the speed of a liquid flowing through it. The YF-S201 water flow sensor consists of a plastic valve body, a flow rotor, and a Hall effect sensor. It is typically used at the inlet to capture the flow rate. When liquid flows through the sensor, a magnetic rotor spins, and the rotation speed changes with the flow rate. The Hall effect sensor then outputs a pulse-width signal. Connect the sensor to a microcontroller, and you can monitor and regulate the water flow for various devices, such as a coffee machine, sprinklers, or laser water cooling, according to your needs.

Info:
Avoid contact of the sensor with corrosive chemicals.
The sensor must be installed vertically, with no more than a 5-degree tilt.
The temperature of the liquid should be below 100 °C to prevent damage to the sensor.

Technical Details:
Operating Voltage: 3.5 to 12 V DC
Inner Diameter: 11 mm
Outer Diameter: 20 mm
Water Pressure Resistance: <1.75 MPa
Water Flow Range: 1-30 L/min
Operating Current: 15 mA (DC 5 V)
Insulation Resistance: >100 MΩ
Accuracy: ±5% (2~30 L/min)
Output Pulse High Level: >4.7 VDC (DC Input Voltage 5 V)
Output Pulse Low Level: <0.5 VDC (DC Input Voltage 5 V)
Output Pulse Ratio: 50% ±10%
Water Flow Formula: 1 L = 450 square waves
Environment: 25% ~ 95% RH (no frost)
Temperature Range: 1 °C to 100 °C
Dimensions: 62 x 36 x 35 mm
Weight: 50 g

Package Includes: 1x Gravity Flow Sensor 1/2 inch, 1x Gravity Digital Connection Cable with Plug 30 cm.