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- The waterflow sensor is compact and is easy to install.
- The YF - S402 waterflow sensor has high sealing performance and high quality hall effect sensor.
- RoHS Compliant and working range : 0.3 - 6 l/min.
- Sealing ring design to prevent water leaks.
- With stainless steel axis in the wheel, abrasion resistant
1/4 Inch Water Flow Sensor YF - S402
The YF-S402 water flow sensor is a device that is used to measure the flow rate of water. It consists of a turbine-type rotor that is placed in the water stream, and as the water flows past the rotor, it causes the rotor to spin. The sensor measures the speed of the rotor and converts it to a flow rate. The sensor has a digital output, which means that it provides a digital signal that can be read by a microcontroller or other host device. The frequency of the pulses is proportional to the flow rate of the liquid passing through the sensor. That digital signal, whose frequency is in the range between 0Hz and 100Hz, can be read directly through one of the digital input/output pins of a microcontroller. ID 8.5mm / OD 11mm.
The water flow sensor measures the rate of a liquid flowing through it. The YF-S402 water flow sensor consists of a plastic valve body, flow rotor, and hall effect sensor. It is usually used at the inlet end to detect the amount of flow. When liquid flows through the sensor, a magnetic rotor will rotate and the rate of rotation will vary with the rate of flow. The hall effect sensor will then output a pulse width signal. Connect it to a microcontroller and you can monitor multiple devices such as your coffee maker, sprinkler, or anything else, and control the water flow rate to suit your needs.
Features:
- Compact and Lightweight: Easy to install and integrate into various systems.
- High Sealing Performance: Designed to prevent water leaks with a sealing ring.
- Stainless Steel Axis: Durable and abrasion-resistant.
- Digital Output: Provides a series of digital pulses proportional to the flow rate.
- Wide Voltage Range: Operates between 5V to 24V.
- RoHS Compliant: Meets environmental and safety standards.
- High Precision: Accurate measurement of water flow.
- Wide Flow Range: Measures flow rates from 0.3 to 6 liters per minute.
Applications:
- Agriculture: Used in irrigation systems to monitor and control water usage.
- HVAC Systems: Helps in monitoring water flow in heating, ventilation, and air conditioning systems.
- Plumbing: Used to detect and measure water flow in residential and commercial plumbing systems.
- Water Treatment: Monitors water flow in treatment plants to ensure proper processing.
- Environmental Monitoring: Measures water flow in natural water bodies for environmental studies.
- Smart Home Automation: Integrated into smart home systems for monitoring water usage and detecting leaks.
- Automatic Water Dispensers: Used in vending machines and dispensers to control water flow.
- Coffee Machines: Ensures precise water flow for brewing coffee.
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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Package Includes:
- 1 x Water Flow Sensor YF - S402
Specifications:
| Sensor Type | Water Flow Sensor |
| Model | YF - S402 |
| Frequency Range | 0Hz and 100Hz |
| Inlet diameter | 8mm |
| Outlet diameter | 11mm |
| Dimensions | 5 x 4 x 3 cms |
| Weight | 50 grams |
1. How does a water flow sensor work?
- The water flow sensor is made up of a plastic valve through which water can flow. A water rotor and a hall effect sensor are used to detect and measure water flow. When water flows through the valve, it causes the rotor to rotate.
2. Where are water flow sensors used?
- The water flow sensors are used to monitor the amount of water being supplied and used, and the rate of flow of water has to be measured. Water flow sensors are installed at water sources or pipes to measure the rate of flow and calculate the volume of water flowing through the pipe.
3. What is a water flow sensor?
- This water flow sensor is used to measure a small quantity of water. It consists of a small turbine whose output signal is a series of digital pulses. The pulse frequency is proportional to the flow rate of the liquid through the sensor.
4. What is the operating voltage range for the YF-SN402 sensor?
- The YF-SN402 sensor operates within a voltage range of 4.5V to 24V DC, making it versatile for various applications.
5. What are the typical applications of the YF-SN402 Water Flow Sensor?
Typical applications include:
Water Management Systems: For irrigation and water treatment.
Home Appliances: Monitoring water usage in washing machines and dishwashers.
DIY Projects: Custom water flow monitoring systems.
Industrial Automation: Measuring and controlling water flow in industrial processes.
