--- product_id: 542296269 title: "1/2 ’’ Flow Hall Sensor with NPT Thread, 1-30L/Min Flow Meter, Flowmeter Counter, Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible" brand: "senstree" price: "6979 Ft" currency: HUF in_stock: true url: https://www.desertcart.hu/products/542296269-1-2-flow-hall-sensor-with-npt-thread-1-30l store_origin: HU region: Hungary --- # Integrated magnetic Hall effect sensor 1-30L/min precise flow range NPT Thread for secure fit 1/2 ’’ Flow Hall Sensor with NPT Thread, 1-30L/Min Flow Meter, Flowmeter Counter, Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible **Brand:** senstree **Price:** 6979 Ft **Availability:** ✅ In Stock ## Summary > 💧 Flow smarter, not harder — precision meets innovation! ## Quick Answers - **What is this?** 1/2 ’’ Flow Hall Sensor with NPT Thread, 1-30L/Min Flow Meter, Flowmeter Counter, Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible by senstree - **How much does it cost?** 6979 Ft with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/542296269-1-2-flow-hall-sensor-with-npt-thread-1-30l) ## Best For - senstree enthusiasts ## Why This Product - Trusted senstree brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Integration:** Compatible with Arduino, Raspberry Pi, and Reverse Osmosis systems—perfect for smart home and IoT projects. - • **Durable & Safe Design:** Sealed Hall effect sensor keeps electronics dry and protected, ensuring long-lasting performance under 80℃ operating temp. - • **Compact & Easy Install:** Lightweight with nimble outline and standard 1/2’’ NPT thread for effortless setup in water heaters, coffee machines, and more. - • **Precision Flow Control:** Accurately measures water flow from 1 to 30L/min with ±2% error margin for reliable data-driven decisions. - • **Real-Time Pulse Output:** Generates 450 pulses per liter with a square wave signal, enabling precise flow monitoring and automation. ## Overview The SENSTREE 1/2’’ Flow Hall Sensor offers precise water flow measurement from 1 to 30L/min with a durable, sealed magnetic Hall effect sensor. Designed for easy installation with a standard NPT thread, it integrates seamlessly with Arduino, Raspberry Pi, and reverse osmosis systems, making it ideal for smart water management in appliances like coffee machines and water purifiers. ## Description SENSTREE G1/2 ’’ Flow Hall Sensor with NPT thread, 1-30L/Min Flow Meter, Food Grade Flowmeter Counter, Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible Specifications: Frequency: F=7.5 * Q (L / Min) error: ± 2% , current can not exceed 10mA, 450 output pulses/liters. F=onstant * units of flow (L / min) * time (seconds) Flow range:1-30L/min Maximum current:10 mA(DC 5V) Working voltage range: DC 5-18 V Load capacity: ≤10 mA(DC 5V) Operating Temp: ≤80℃. Operating humidity: 35%-90%RH Allow compression: Water pressure 1.75 Mpa below Insulation resistance: >100M OHM Storage Temperature: -25-80℃ Storage humidity: 25%-95%RH Output Waveform: square wave, output pulse signal. Cable length:15cm. It is mainly used in water heaters, coffee machines, water purifiers, drinking fountains, beverage machines, campus smart card equipment, etc. Refer to the wiring: Red wire: VCC(+) Black wire: GND(-) Yellow wire: Signal output ## Features - NPT Thread - 1-30L/min - The Water Flow Sensor is light, has a nimble outline, small, and is easy to install—the bearings used in the rotating part. - There is an integrated magnetic hall effect sensor that outputs an electrical pulse with every revolution. The hall effect sensor is sealed from the water pipe and allows the sensor to stay safe and dry. - Installed by flow direction in the product, otherwise, there is no signal output. - It is mainly used in water heaters, coffee machines, water purifiers, drinking fountains, beverage machines, campus smart card equipment, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0CC949527 | | Best Sellers Rank | #52,506 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #29 in Flowmeters | | Date First Available | July 19, 2023 | | Item Weight | 1.76 ounces | | Manufacturer | SENSTREE | | Package Dimensions | 3.23 x 2.4 x 1.46 inches | ## Images ![1/2 ’’ Flow Hall Sensor with NPT Thread, 1-30L/Min Flow Meter, Flowmeter Counter, Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible - Image 1](https://m.media-amazon.com/images/I/51BtxVE-lxL.jpg) ## Frequently Bought Together - SENSTREE G1/2 ’’ Flow Hall Sensor with NPT Thread, 1-30L/Min Flow Meter, Flowmeter Counter, Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible - CQRobot TDS (Total Dissolved Solids) Meter Sensor Compatible with Raspberry Pi/Arduino Board. for Liquid Quality Analysis Teaching, Scientific Research, Laboratory, Online Analysis, etc. - BOJACK DS18B20 Temperature Sensor Module Kit with Waterproof Stainless Steel Probe for Raspberry Pi --- ## 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.hu/products/542296269-1-2-flow-hall-sensor-with-npt-thread-1-30l](https://www.desertcart.hu/products/542296269-1-2-flow-hall-sensor-with-npt-thread-1-30l) --- *Product available on Desertcart Hungary* *Store origin: HU* *Last updated: 2026-09-18*