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Home Sensor Modules Water TDS, pH, Flow, Level and Pressure Sensor Flow
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Water Flow Sensor Yf-b8 - AI3878.
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  • Water Flow Sensor Yf-b8 - AI3878.
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Water Flow Sensor (Sea) YF-B8 Flowmeter G1/2 1-30L/min 3-24V Brass

Rated 4.57 out of 5 based on 14 customer ratings
(14 customer reviews)
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The water flow sensor can be used to monitor liquid flow rate in water machine, water heater, coffee machine, vending machine, water meter, medical testing machine and the like. They are widely applied in industrial equipment, agricultural equipment and household electrical appliances in the future.

Brand: Generic SKU: AI3878
Category: Flow
Tags: 24V, Buy Online India, Zbotic

₹502.68 (₹426.00 + GST)

Purchase this product now and earn 9 Zbotic Points!
Description
Additional information
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COO

This is the 24V variant of the Water Flow Sensor (Sea) YF-B8 Flowmeter G1/2 1-30L/min 3-24V Brass in Flow. Available at ₹502.68 (₹426.00 + GST) with free shipping across India.

Looking for Water Flow Sensor Yf-b8? Water Flow Sensor (Sea) YF-B8 Flowmeter G1/2 1-30L/min 3-24V Brass is available at Zbotic with fast shipping across India.

Water Flow Sensor (Sea) YF-B8 Flowmeter G1/2 1-30L/min 3-24V Brass

The water flow sensor is a device used to sense the water flow rate in a tank. There is a Hall element in the flow sensor. When liquid flows by the sensor, it drives the Hall element inside the sensor to rotate. By calculating the rotate speed of the element, the water flow sensor can give a precise outcome of the water flow rate passed by the pipe.

Specification

Parameter Description
Product Material Brass
Flow Range / Accuracy 1-30L/min, ±3%
Rated Voltage DC=5-18V
Max Working Current 10mA
Withstand Hydraulic Pressure >1.75MPa
Working Voltage Range DC3-24V
Insulation Resistance >100MΩ
Pulse Characteristic 11*Q=L/min, ±3%
Medium Temperature -20°C to +80°C
Max Output Pulse >DC 4.7V (Input Voltage DC 5V)
Min Output Pulse >DC 0.5V (Input Voltage DC 5V)
Output Pulse Duty Ratio 50%±10%
Applicable Medium Water

 

PACKAGE INCLUDES

1 X Water Flow Sensor (Sea) YF-B8 Flowmeter G1/2 1-30L/min 3-24V Brass

 

Datasheet

pdf 2

Water Flow Sensor (Sea) YF-B8 Flowmeter G1/2 1-30L/min Overview

The Water Flow Sensor (Sea) YF-B8 is a brass inline flowmeter with a G1/2″ thread designed to measure liquid flow rates between 1 and 30 L/min. It uses an internal Hall-effect rotor to generate pulse signals proportional to water flow, making it ideal for precise monitoring in various systems.

Key Features of Water Flow Sensor (Sea) YF-B8 Flowmeter G1/2 1-30L/min

  • Brass construction for durability and corrosion resistance
  • Flow range of 1–30 L/min with ±3% accuracy
  • G1/2″ threaded inlet and outlet for easy inline installation
  • Operates on DC 5–18 V with a maximum current draw of 10 mA
  • Hall-effect rotor produces pulse output for real-time flow monitoring
  • Genuine product, fast shipping from Zbotic across India

Applications and Use Cases

  • Monitoring water consumption in coffee machines and vending machines
  • Flow control in domestic water heaters and purification systems
  • Integration into agricultural irrigation controllers for precise dosing
  • Liquid flow measurement in medical testing and lab equipment
  • Industrial water metering and pump performance feedback
  • DIY projects requiring accurate water flow data for automation

How to Use Water Flow Sensor (Sea) YF-B8 Flowmeter G1/2 1-30L/min

Install the YF-B8 inline by screwing the G1/2″ connections into your piping, ensuring the arrow on the brass body aligns with flow direction. Connect the red and black wires to a 5–18 V DC supply, then feed the yellow (or signal) wire into a microcontroller’s digital input. Count pulses over a fixed interval and apply the calibration factor to calculate the flow rate in litres per minute.

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Frequently Asked Questions

What is the rated operating voltage for the YF-B8 sensor?

The YF-B8 flowmeter operates on any DC supply between 5 V and 18 V, drawing a maximum current of 10 mA. Ensure stable regulation to maintain accuracy.

How accurate is the flow reading from this sensor?

This brass sensor provides flow measurements from 1 L/min up to 30 L/min with an accuracy of ±3%, making it suitable for applications where consistent monitoring is essential.

Can I install the sensor in any orientation?

For best performance, mount the sensor horizontally or vertically with the flow arrow pointing in the direction of water movement. Avoid air pockets upstream to ensure reliable Hall-effect rotor operation.

Tags: 24V Buy Online India Zbotic
Also in Flow:
Water Flow Sensor (Sea) DN80 Flowmeter 20-500L/min 3.5-12V1/8 inch Water Flow Sensor – YF-S401Water Flow Sensor (Sea) YF-B9 Flowmeter G3/4 2-50L/min 5-24V BrassJiyi Flowmeter

Technical Specifications

ModelYF-B8
SKUAI3878
Weight0.1222 kg
AvailabilityIn Stock

Applications & Use Cases

The Water Flow Sensor (Sea) YF-B8 Flowmeter G1/2 1-30L/min 3-24V Brass is a versatile flow 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
Weight 0.1222 kg
15 Days Warranty

Please note that this item is only covered by a standard supplier warranty against manufacturing defects for a period of 15days from the time of delivery. It is important to understand that only manufacturing defects are covered under this warranty, and any other issues will not be considered for reimbursement or replacement. We strongly advise inspecting the product upon delivery to ensure it meets your expectations. In case of any manufacturing defects, we guarantee reimbursement or replacement.


What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Tags: 24V Buy Online India Zbotic
Also in Flow:
3/4 inch Water Flow Sensor – YFS4031/8 inch Water Flow Sensor – YF-S401Water Flow Sensor (Sea) DN80 Flowmeter 20-500L/min 3.5-12VBlue TDS and EC Digital LCD Meter Conductivity Tester
Country Of Origin: China

14 reviews for Water Flow Sensor (Sea) YF-B8 Flowmeter G1/2 1-30L/min 3-24V Brass

  1. Avatar of Ashwin Nayak
    Rated 4 out of 5

    Ashwin Nayak (verified owner) – March 12, 2024

    Good quality Water Flow Sensor YF-B8 Flowmeter G1/2. Some variation in readings but within acceptable range.

  2. Avatar of Piyush Menon
    Rated 5 out of 5

    Piyush Menon (verified owner) – June 8, 2024

    Love this Water Flow Sensor YF-B8 Flowmeter G1/2. Response time is fast and readings are stable.

  3. Avatar of Mayank Modi
    Rated 5 out of 5

    Mayank Modi (verified owner) – June 19, 2024

    Outstanding accuracy from this Water Flow Sensor YF-B8 Flowmeter G1/2. Compared with a professional instrument, readings match closely.

  4. Avatar of Daksh Bisht
    Rated 5 out of 5

    Daksh Bisht (verified owner) – November 13, 2024

    Very satisfied with this Water Flow Sensor YF-B8 Flowmeter G1/2. Library support is good and it’s easy to interface.

  5. Avatar of Kavya Luthra
    Rated 5 out of 5

    Kavya Luthra (verified owner) – November 25, 2024

    Perfect for my weather station. This Water Flow Sensor YF-B8 Flowmeter G1/2 gives consistent readings day and night.

  6. Avatar of Sanya Ghosh
    Rated 3 out of 5

    Sanya Ghosh (verified owner) – May 4, 2025

    Average Water Flow Sensor YF-B8 Flowmeter G1/2. Readings fluctuate a bit. Works for rough measurements.

  7. Avatar of Ishaan Negi
    Rated 5 out of 5

    Ishaan Negi – May 25, 2025

    This Water Flow Sensor YF-B8 Flowmeter G1/2 is a must-have for sensor projects. Plug and play with Arduino.

  8. Avatar of Piyush Khurana
    Rated 5 out of 5

    Piyush Khurana (verified owner) – June 8, 2025

    Love this Water Flow Sensor YF-B8 Flowmeter G1/2. Response time is fast and readings are stable.

  9. Avatar of Darshan Naidu
    Rated 4 out of 5

    Darshan Naidu (verified owner) – October 16, 2025

    Nice Water Flow Sensor YF-B8 Flowmeter G1/2. Readings are mostly accurate. Good enough for my hobby project.

  10. Avatar of Rajesh Kapoor
    Rated 5 out of 5

    Rajesh Kapoor (verified owner) – November 7, 2025

    Bought this Water Flow Sensor YF-B8 Flowmeter G1/2 for my college project. Accurate readings, easy to code. Very happy!

  11. Avatar of Chitra Chatterjee
    Rated 5 out of 5

    Chitra Chatterjee (verified owner) – November 27, 2025

    Excellent sensitivity and range on this Water Flow Sensor YF-B8 Flowmeter G1/2. Works better than I expected.

  12. Avatar of Kiara Luthra
    Rated 4 out of 5

    Kiara Luthra – December 2, 2025

    Nice Water Flow Sensor YF-B8 Flowmeter G1/2. Readings are mostly accurate. Good enough for my hobby project.

  13. Avatar of Piyush Tandon
    Rated 4 out of 5

    Piyush Tandon (verified owner) – January 1, 2026

    Decent Water Flow Sensor YF-B8 Flowmeter G1/2 for the price. Requires proper wiring but works well once set up.

  14. Avatar of Naman Patel
    Rated 5 out of 5

    Naman Patel – January 13, 2026

    This Water Flow Sensor YF-B8 Flowmeter G1/2 is excellent for the price. My data logging project is working perfectly now.

Only logged in customers who have purchased this product may leave a review.

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