ARDUINO, Embedded Boards Solution & Robotics, Water Flow Sensor
Arduino YF-DN40 1.5 inch Water Flow Sensor
₨5,000.00
The latest Arduino YF-DN40 1.5 inch Water Flow Sensor price in Pakistan is Rs. 5,000/- updated on July 23, 2026.
Features:
- The YF-DN40 is a 1.5-inch (DN40) water flow sensor, making it suitable for use with pipes of this size.
- It is often used in larger water distribution systems, irrigation setups, or industrial applications
- The sensor typically works with a flow rate range of 1 to 30 liters per minute (L/min), although the exact range can vary depending on the specific model and manufacturer.
- Its ability to detect low to medium water flow makes it versatile for a range of applications.
- It uses a Hall effect sensor to detect the movement of water. The rotating rotor inside the flow sensor generates pulses, which the Hall sensor counts to calculate the flow rate
- This setup provides good accuracy and responsiveness to changes in flow
Documents:
Frequency
| Sensitivity | High sensitivity to water flow rate, able to detect even small changes in flow. |
General Specification
| Accuracy | ±5% of reading (typical) |
| Flow Range | 1 to 30 liters per minute (L/min) |
| Material | Plastic (usually ABS or PVC) |
| Operating Temperature | 0°C to 80°C (32°F to 176°F) |
| Size | 1.5 inch (DN40) |
| Type | Digital Pulse Output (Square wave signal) |
| Voltage | 5V to 24V DC |
| WaterProof | IP68 rating (waterproof) — suitable for outdoor and wet environments. |
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