This is the 24V variant of the Water Flow Sensor (Sea) YF-S302 Flowmeter G1/4 0.3-6L/min 3.5-24V in Water TDS, pH, Flow, Level and Pressure Sensor. Available at ₹297.36 (₹252.00 + GST) with free shipping across India.
Water Flow Sensor (Sea) YF-S302 Flowmeter G1/4 0.3-6L/min 3.5-24V
YF-S302 Hall Water Flow Sensor 0.3-6L/min G1/4″ PE Pipe XH2.54 Plug Electronic Turbine Meter Zhongjiang Sea Dijiang
The Water Flow Sensor (Sea) YF-S302 Flowmeter is a versatile device designed for accurately measuring water flow rates in a variety of applications. With a connection size of G1/4 (standard 1/4 inch), it can seamlessly integrate into existing systems. Its flow rate range of 0.3-6 liters per minute (L/min) makes it suitable for a wide range of flow rate monitoring needs. Operating on a voltage range of 3.5-24V DC, it offers flexibility in power supply options. Its compact design facilitates easy installation, while its durability ensures reliable performance even in harsh conditions. Whether used in household appliances like water heaters and dispensers or industrial equipment, this flow sensor provides precise measurement and control of water flow, contributing to improved efficiency and productivity.
Application:
Water heater, washing machine, boiler, electromagnetic water heater, water dispenser, water purifier, R.O. machine, U.F. machine, coffee machine, water machine, water machine control, water control machine, beer machine, beauty equipment, shower equipment, electrolytic water machine, energy engineering, heat pump,IC meter, steam equipment, irrigation equipment, water system, campus card self-service sale (sell) water machine, washing machine, automatic washing equipment, water treatment equipment, water dispensing equipment, cooling system, circulation system, intelligent toilet (toilet), bidet, mechanical equipment, heating equipment, Pharmaceutical (agents) equipment etc.
Calculation Formula:F(Hz)=22*Q(L/min)
Specification:
1. Material: body: POM; turbine: POM; shaft(axis):SUS304
2. Intubation design of inlet and outlet pipe, easy connection and operation;
3. Imported Hall IC from Japan, stable and reliable;
4. Range: 0.3-6L/min;
5. working voltage: DC3.5-12V DC
6. rated voltage: DC3.5V
7. Output voltage(rated: DC 5V); High level 4.5V and above; low level 0.5V and below
8. Pulse output duty cycle: 50+-10%
9. Insulation resistance: 100M Ohm and above;
10. Tightness: Seal up all the holes, and inflate with 0.8MPa water, after 1 minute, no leakage and deformation;
11. -20-60 centigrade;
12. Working Pressure: under 0.8Mpa;
13. Electrical Strength: AC500V 50Hz.
14. Warranty: 1 year for clean water usage.
Note:
1. When magnetic material is close with the sensor,its characteristics may vary.
2. In order to avoid particle debris, the sensor must be installed after a filter.
3. The flow sensor installation has to avoid strong vibration and shaking of the environment, so as not to affect the sensor’s measurement accuracy.
PACKAGE INCLUDES
1 X Water Flow Sensor (Sea) YF-S302 Flowmeter G1/4 0.3-6L/min 3.5-24V
Technical Specifications
| Model | YF-S302 |
|---|---|
| SKU | AI3544 |
| Weight | 0.04 kg |
| Availability | In Stock |
Applications & Use Cases
The Water Flow Sensor (Sea) YF-S302 Flowmeter G1/4 0.3-6L/min 3.5-24V is a versatile water tds, ph, flow, level and pressure sensor used across a wide range of applications including water quality monitoring, hydroponics, aquariums, industrial water treatment, and smart irrigation.
Common use cases:
- Measuring TDS in a hydroponic nutrient solution
- Monitoring pH in an aquarium
- Tracking water flow in an irrigation system
This product is ideal for aquaculture professionals, hydroponic growers, and environmental engineers.
Technical Tip: Calibrate pH and TDS sensors regularly with standard solutions. Keep probe tips clean and submerged when not in use.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components

Ankit Negi (verified owner) –
Great Water Flow Sensor YF-S302 Flowmeter G1/4. Using it in my smart agriculture system. Reliable measurements every time.
Divyansh Joshi (verified owner) –
Pretty good Water Flow Sensor YF-S302 Flowmeter G1/4. Documentation could be better but the sensor itself is solid.
Aisha Bhandari (verified owner) –
Very satisfied with this Water Flow Sensor YF-S302 Flowmeter G1/4. Library support is good and it’s easy to interface.
Vinay Gupta (verified owner) –
Pretty good Water Flow Sensor YF-S302 Flowmeter G1/4. Documentation could be better but the sensor itself is solid.
Hemant Sethi (verified owner) –
This Water Flow Sensor YF-S302 Flowmeter G1/4 is a must-have for sensor projects. Plug and play with Arduino.
Yash Bisht (verified owner) –
Decent Water Flow Sensor YF-S302 Flowmeter G1/4 for the price. Requires proper wiring but works well once set up.
Kavya Chatterjee (verified owner) –
Average Water Flow Sensor YF-S302 Flowmeter G1/4. Readings fluctuate a bit. Works for rough measurements.
Advik Srivastava –
This Water Flow Sensor YF-S302 Flowmeter G1/4 is excellent for the price. My data logging project is working perfectly now.
Vaishali Solanki (verified owner) –
Good quality Water Flow Sensor YF-S302 Flowmeter G1/4. Some variation in readings but within acceptable range.
Darshan Menon (verified owner) –
Excellent sensitivity and range on this Water Flow Sensor YF-S302 Flowmeter G1/4. Works better than I expected.
Ishan Yadav –
Perfect Water Flow Sensor YF-S302 Flowmeter G1/4 for my automation project. Integrates seamlessly with my microcontroller.
Mukesh Bajaj –
This Water Flow Sensor YF-S302 Flowmeter G1/4 is excellent for the price. My data logging project is working perfectly now.
Priya Saxena (verified owner) –
Decent Water Flow Sensor YF-S302 Flowmeter G1/4 for the price. Requires proper wiring but works well once set up.
Nikita Gill (verified owner) –
Outstanding accuracy from this Water Flow Sensor YF-S302 Flowmeter G1/4. Compared with a professional instrument, readings match closely.
Ravi Kapoor (verified owner) –
Good Water Flow Sensor YF-S302 Flowmeter G1/4. Works as described. Calibration needed some patience but results are good.
Abhishek Rao (verified owner) –
Good quality Water Flow Sensor YF-S302 Flowmeter G1/4. Some variation in readings but within acceptable range.
Vidya Vyas (verified owner) –
Excellent Water Flow Sensor YF-S302 Flowmeter G1/4! Readings are accurate and consistent. Perfect for my project.
Vinay Sen (verified owner) –
This Water Flow Sensor YF-S302 Flowmeter G1/4 works great with Arduino. Easy to wire up and code.
Chetan Rawat –
Decent Water Flow Sensor YF-S302 Flowmeter G1/4 for the price. Requires proper wiring but works well once set up.
Sneha Banerjee –
Nice Water Flow Sensor YF-S302 Flowmeter G1/4. Readings are mostly accurate. Good enough for my hobby project.
Arnav Deshpande –
Excellent sensitivity and range on this Water Flow Sensor YF-S302 Flowmeter G1/4. Works better than I expected.
Ishan Desai (verified owner) –
Perfect for my weather station. This Water Flow Sensor YF-S302 Flowmeter G1/4 gives consistent readings day and night.
Girish Tandon (verified owner) –
Great Water Flow Sensor YF-S302 Flowmeter G1/4. Using it in my smart agriculture system. Reliable measurements every time.
Hardik Mittal –
Love this Water Flow Sensor YF-S302 Flowmeter G1/4. Response time is fast and readings are stable.
Sneha Tiwari –
Love this Water Flow Sensor YF-S302 Flowmeter G1/4. Response time is fast and readings are stable.
Tejas Luthra (verified owner) –
Love this Water Flow Sensor YF-S302 Flowmeter G1/4. Response time is fast and readings are stable.
Arjun Thakur (verified owner) –
Outstanding accuracy from this Water Flow Sensor YF-S302 Flowmeter G1/4. Compared with a professional instrument, readings match closely.
Chintan Paghdal (verified owner) –
Good quality
Dhruv Deshpande (verified owner) –
Great Water Flow Sensor YF-S302 Flowmeter G1/4. Using it in my smart agriculture system. Reliable measurements every time.
Pallavi Thakur (verified owner) –
Love this Water Flow Sensor YF-S302 Flowmeter G1/4. Response time is fast and readings are stable.