YF-S401 DC 3.5-24V Water Flow Sensor, Hall Effect Sensor, 0.5-5 l/min Flow Meter for Coffee Machines, Suitable for Water Heaters and Card Readers

Precise Flow Measurement: The YF-S401 water flow sensor sends precise pulse signals via the Hall effect sensor and is ideal for water heaters, water filters, and other measuring devices.

Wide Compatibility: The YF-S401 flow meter for coffee machines has an operating voltage range of 3.5 to 24 V, making it suitable for various applications such as vending machines and card readers.

Robust Design: The impeller is equipped with a stainless steel shaft for increased wear resistance, and a sealed design prevents leaks.

Hall Effect Element: Equipped with Hall effect elements and sealed with resin, the YF-S401 sensor is protected against water ingress, ensuring a long service life.

Waterproof Design: The Hall effect elements are encapsulated with a sealant to prevent water ingress, thus avoiding aging and extending the sensor's lifespan.

Sensor lifespan.

Parameters:

Minimum operating voltage: DC 3.5 V–12 V

Maximum operating current: 15 mA (DC 5 V)

Operating voltage range: DC 5–18 V

Current current rating: ≤10 mA (DC 5 V)

Operating temperature range: ≤80 °C

Operating humidity range: 35%–90% RH (frost-free)

Permissible resistance pressure: Water pressure below 1.75 MPa

Storage temperature: -25 °C to +80 °C

Storage humidity: 25%–95% RH