--- product_id: 135643087 title: "1/4\" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2）" brand: "gredia" price: "€ 38.21" currency: EUR in_stock: true category: "Gredia" url: https://www.desertcart.be/products/135643087-1-4-water-flow-sensor-food-grade-switch-hall-effect store_origin: BE region: Belgium --- # 0.3-6L/min flow range DC 5-24V wide voltage compatibility Food-grade, ROHS-certified materials 1/4" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） **Brand:** gredia **Price:** € 38.21 **Availability:** ✅ In Stock ## Summary > 💧 Flow with confidence — precision meets performance in every drop! ## Quick Answers - **What is this?** 1/4" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） by gredia - **How much does it cost?** € 38.21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/135643087-1-4-water-flow-sensor-food-grade-switch-hall-effect) ## Best For - gredia enthusiasts ## Why This Product - Trusted gredia brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Safe:** Crafted from food-grade plastic, meeting strict ROHS standards - • **Leak-Proof Design:** Sealing ring guarantees firm connection and zero water leakage - • **Precision Flow Control:** Accurate ±3% measurement ensures flawless fluid management - • **Versatile Applications:** Ideal for coffee machines, water purifiers, beverage dispensers, and smart campus devices - • **Universal Compatibility:** Fits hosepipes with 5-7mm inner diameter (G1/4 inch connector) ## Overview This pack of two 1/4" water flow sensors offers precise fluid measurement from 0.3 to 6 liters per minute with ±3% accuracy. Designed with food-grade, ROHS-compliant materials and a leak-proof sealing ring, these compact flowmeters operate on a wide DC voltage range (5-24V) and fit hosepipes with 5-7mm inner diameter. Perfect for professional-grade water heaters, coffee machines, purifiers, and smart equipment, they combine durability, safety, and versatility for seamless integration. ## Description Our products are fine made with nice materials and good workmanship, strict quality control, guarantee in after service. The flowmeter is light and handy, easy to install. The sealing ring make the connection firm, the sealing performance is good and the problem of water leakage is avoided. More details about the flow meter: F=(98*Q)±3%, Q=L/Min, error: ±3% Working range: 0.3-6L/min Working voltage: DC 5-24 V Water Pressure: ≤0.8Mpa Liquid temperature: 0-100℃ Maximum current consumptiont: 10 mA(DC 5V) Size: 58mm x 34mm x 26mm(L*W*H) Wire length: 15 cm Refer to the wiring: Red wire: VCC(+) Black wire: GND(-) Yellow wire: Signal output Package: 2 x G1/4 inch flowmeter connect hosepipe ## Features - Connect to a hosepipe whose inner diameter is about 5 to 7 mm( G1/4 inch connector), comes with 2 pieces - Flow range:0.3-6L/min, Water Pressure: ≤0.8Mpa - Working voltage: DC 5-24 V, F=(98*Q)±3%, Q=L/Min - Material: food grade plastic, all raw materials conform to the ROHS test standard - Wide application: It is mainly used in water heater, coffee machine, water purifier, drinking fountain, beverage machine, campus smart card equipment, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07RF57QF8 | | Best Sellers Rank | #37,376 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #19 in Flowmeters | | Date First Available | May 2, 2019 | | Item Weight | 2.08 ounces | | Item model number | GR-R401P2 | | Manufacturer | GREDIA | | Package Dimensions | 3.46 x 3.19 x 1.22 inches | ## Images ![1/4" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） - Image 1](https://m.media-amazon.com/images/I/61Uoj8NQr8L.jpg) ![1/4" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） - Image 2](https://m.media-amazon.com/images/I/51DlW5Z-ryL.jpg) ![1/4" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） - Image 3](https://m.media-amazon.com/images/I/51DpU6KR0tL.jpg) ![1/4" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） - Image 4](https://m.media-amazon.com/images/I/61hUYJB73cL.jpg) ![1/4" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter Connect Hosepipe 0.3-6L/min (Pack of 2） - Image 5](https://m.media-amazon.com/images/I/51ryV5Q9FdL.jpg) ## Available Options This product comes in different **Size** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/135643087-1-4-water-flow-sensor-food-grade-switch-hall-effect](https://www.desertcart.be/products/135643087-1-4-water-flow-sensor-food-grade-switch-hall-effect) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-07-21*