--- product_id: 69856818 title: "Water Flow Sensor Hall Sensor Switch Flow Meter DN25 Brass Water Meter Industrial Turbine Flowmeter 1 Inch Water Flow Sensor Coffee Machine" brand: "waysear" price: "NT$81" currency: TWD in_stock: false reviews_count: 1 url: https://www.desertcart.tw/products/69856818-water-flow-sensor-hall-sensor-switch-flow-meter-dn25-brass store_origin: TW region: Taiwan --- # High sensitivity Easy installation ROHS compliant Water Flow Sensor Hall Sensor Switch Flow Meter DN25 Brass Water Meter Industrial Turbine Flowmeter 1 Inch Water Flow Sensor Coffee Machine **Brand:** waysear **Price:** NT$81 **Availability:** ❌ Out of Stock ## Summary > 💡 Flow with Confidence: The Smart Choice for Precision Water Measurement! ## Quick Answers - **What is this?** Water Flow Sensor Hall Sensor Switch Flow Meter DN25 Brass Water Meter Industrial Turbine Flowmeter 1 Inch Water Flow Sensor Coffee Machine by waysear - **How much does it cost?** NT$81 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/69856818-water-flow-sensor-hall-sensor-switch-flow-meter-dn25-brass) ## Best For - waysear enthusiasts ## Why This Product - Trusted waysear brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Constructed with ROHS compliant materials for peace of mind. - • **Durable Design:** Crafted with a stainless steel shaft for long-lasting wear resistance. - • **Reliable Support:** Enjoy 24/7 customer service for any inquiries or assistance. - • **Precision Performance:** Experience unmatched accuracy with the imported Hall sensor technology. - • **User-Friendly Installation:** Lightweight and compact, this sensor is a breeze to install in any setup. ## Overview The Water Flow Sensor Hall Sensor Switch Flow Meter DN25 is a compact and durable device designed for accurate water flow measurement. Featuring a stainless steel shaft and high-sensitivity Hall sensor, it ensures reliable performance while meeting ROHS standards for safety. Ideal for coffee machines and industrial applications, this sensor is easy to install and backed by 24/7 customer support. ## Description Full description not available ## Features - The water flow sensor is light and flexible in appearance, small in size and easy to install. The impeller is inlaid with stainless steel shaft, which is always wear-resistant, allowing you to use it with confidence - The water flow switch adopts imported Hall sensor, and the sealing ring used in the structure is sealed and watertight under the action of external force - The raw materials of the water flow sensor meet the ROHS inspection standard, the material is safe, the sensitivity is high, and you can use it with confidence - The model of the Hall sensor switch flowmeter is YF-B1, the inner diameter of the water inlet is 15.4mm, and the inner diameter of the water outlet is 13.5mm. The thread length is 9.3mm. - Matters needing attention,Violent impact and throwing of the water flow sensor is strictly prohibited.Vertical installation, the inclination angle should not exceed 5 degrees.The temperature between the medium is not easy to exceed 120 degrees,if you have any problems when using the water flow meter,feel free to contact us Contact,we have professional customer service 24 hours to provide you with solutions ## Images ![Water Flow Sensor Hall Sensor Switch Flow Meter DN25 Brass Water Meter Industrial Turbine Flowmeter 1 Inch Water Flow Sensor Coffee Machine - Image 1](https://m.media-amazon.com/images/I/61JTaRGHO6L.jpg) ![Water Flow Sensor Hall Sensor Switch Flow Meter DN25 Brass Water Meter Industrial Turbine Flowmeter 1 Inch Water Flow Sensor Coffee Machine - Image 2](https://m.media-amazon.com/images/I/51SmK23eQ-L.jpg) ![Water Flow Sensor Hall Sensor Switch Flow Meter DN25 Brass Water Meter Industrial Turbine Flowmeter 1 Inch Water Flow Sensor Coffee Machine - Image 3](https://m.media-amazon.com/images/I/61bc47h6TzL.jpg) ![Water Flow Sensor Hall Sensor Switch Flow Meter DN25 Brass Water Meter Industrial Turbine Flowmeter 1 Inch Water Flow Sensor Coffee Machine - Image 4](https://m.media-amazon.com/images/I/61IAlQo7WZL.jpg) ![Water Flow Sensor Hall Sensor Switch Flow Meter DN25 Brass Water Meter Industrial Turbine Flowmeter 1 Inch Water Flow Sensor Coffee Machine - Image 5](https://m.media-amazon.com/images/I/51Mj953oeqL.jpg) ## Questions & Answers **Q: can this calibrate to gallons?** A: It produces pulse output that the flow meter uses once it is calibrated to the sensor output. **Q: How do you order the npt version of this flow meter i see mentioned in the comments?** A: I also saw an NPT version mentioned in the comments, but was not able to locate such a version anywhere. I bought BSPP to NPT adapters (which cost more than this flow sensor did). **Q: How do i read the water flow? what else is needed?** A: DIGITEN Water Liquid Flow Rate Volume Digital Display Flowmeter Quantitative Controller Counter Liter Gallon or GREDIA Digital LCD Display Water Liquid Control Flow Sensor Flowmeter Quantitative Controller **Q: Will this measure in gallons?** A: Once You calibrate the flow meter to the sensor output ## Customer Reviews ### ⭐⭐ NPT thread is way off *by G***Y on May 10, 2021* NPT male thread is very short and not compliant. --- ## 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.tw/products/69856818-water-flow-sensor-hall-sensor-switch-flow-meter-dn25-brass](https://www.desertcart.tw/products/69856818-water-flow-sensor-hall-sensor-switch-flow-meter-dn25-brass) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-05-16*