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Track Water or Liquid Flow with a Simple Sensor
The Liquid Flow Meter - Plastic 3/4" NPS Threaded is a flow sensor designed for liquid metering, pump feedback, and water system monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.
Key details include Flow Rate Range: 1~60L/min; Mini. Wokring Voltage: DC 4.5V.
Important: Flow readings depend on liquid type, pipe size, and mounting direction. Calibrate in your own system for the best result.
Why you’ll love it
- Sensing range: 1~60L/min
- Power range: DC 4.5V
- Current draw: 15mA (DC 5V)
- Useful spec: ≤10mA (DC 5V)
- Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
- Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards
Compare with similar products
| Product | Sensor style | Standout |
|---|---|---|
| Liquid Flow Meter - Plastic 3/4" NPS Threaded | flow sensor | Current item |
| Water Flow Sensor G1 | flow sensor | hall-effect detection |
| Water Flow Sensor YF-S401 | flow sensor | SPI interface |
| Water Hall Flow Sensor G1/2 | hall effect flow sensor with UART | SPI interface, hall-effect detection |
What you can build
This sensor is a good fit for smart water meters, coolant flow alarms, dosing systems, beverage dispensers, and irrigation monitors.
Starter bundles
Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard or jumper wires for quick setup and testing.
Recommended add-ons
Useful add-ons include hose fittings, clamps, and a waterproof enclosure, depending on how you plan to power, mount, and log the sensor.
Technical specifications
| Product | Liquid Flow Meter - Plastic 3/4" NPS Threaded |
|---|---|
| Flow Rate Range | 1~60L/min |
| Mini. Wokring Voltage | DC 4.5V |
| Working Voltage | DC 5V~24V |
| Max. Working Current | 15mA (DC 5V) |
| Load Capacity | ≤10mA (DC 5V) |
| Water Pressure | ≤2.0MPa |
| Storage Humidity | 25%～95%RH |
| Liquid Temperature | ≤120℃ |
Wiring & usage notes
Check the pin labels on the Liquid Flow Meter - Plastic 3/4" NPS Threaded and match them to your controller voltage, ground, and signal pins. Keep wiring short and verify the logic level before powering the module. Flow readings depend on liquid type, pipe size, and mounting direction. Calibrate in your own system for the best result.
What’s in the box
1 × Liquid Flow Meter - Plastic 3/4" NPS Threaded
Frequently Asked Questions
What does the Liquid Flow Meter - Plastic 3/4" NPS Threaded measure?
It is designed to measure liquid or air flow.
Can I use it with Arduino, ESP32, or Raspberry Pi?
Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
What affects accuracy?
Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping?
Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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