--- product_id: 379238182 title: "BT-846A Pro HVAC Anemometer Measures Wind Speed Wind Flow Wind Temperature CFM Air Flow Velocity Meter with Backlight MAX MIN AVG" brand: "btmeter" price: "£104.69" currency: GBP in_stock: true reviews_count: 5 url: https://www.desertcart.co.uk/products/379238182-bt-846a-pro-hvac-anemometer-measures-wind-speed-wind-flow store_origin: GB region: United Kingdom --- # Data Storage: 600 groups Temp Range: 32.0-113.0 ℉ Wind Speed: 0.001~100 mph BT-846A Pro HVAC Anemometer Measures Wind Speed Wind Flow Wind Temperature CFM Air Flow Velocity Meter with Backlight MAX MIN AVG **Brand:** btmeter **Price:** £104.69 **Availability:** ✅ In Stock ## Summary > 🌪️ Elevate Your Airflow Game! ## Quick Answers - **What is this?** BT-846A Pro HVAC Anemometer Measures Wind Speed Wind Flow Wind Temperature CFM Air Flow Velocity Meter with Backlight MAX MIN AVG by btmeter - **How much does it cost?** £104.69 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/379238182-bt-846a-pro-hvac-anemometer-measures-wind-speed-wind-flow) ## Best For - btmeter enthusiasts ## Why This Product - Trusted btmeter brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable & Reliable:** Comes with a protective carrying case and a 12-month warranty for peace of mind. - • **User-Friendly Design:** Extendable wind sensor and backlit LCD display make readings effortless, even in low light. - • **Smart Power Management:** Auto power-off feature saves battery life, so you can focus on your work. - • **Precision at Your Fingertips:** Accurately measures wind velocity in 5 units, ensuring you have the right data for every situation. - • **Versatile Airflow Measurement:** Easily switch between CFM and CMM for comprehensive airflow analysis. ## Overview The BTMETER BT-846A Pro HVAC Anemometer is a professional-grade tool designed for precise measurement of wind speed, airflow, and temperature. With a wide range of features including data storage for 600 groups, an extendable wind sensor, and a backlit display, this anemometer is perfect for HVAC professionals looking to optimize air balancing and troubleshooting. ## Description ABOUT US BTMETER - A professional Test & Measurement solution provider. We dedicated ourselves to test, measurement and monitoring instrument and software that are widely used in electric,HVAC, automotive,network troubleshooting, as well as in hobbist,electrical, industrial, medical, process and calibration applications. Features : ✔Back Light ✔Low Battery Indicator ✔MAX/MIN for wind velocity ✔Average/ 2/3MAX for wind flow ✔Records 600 groups of measurement ✔Data holding, storing and deleting function ✔Manual / Auto Power Off after 5 min without operation ✔Unit optional for wind velocity, temperature and wind flow ✔Unit switchable for wind velocity, temperature and wind flow WHY BT-846A Pro Digital Anemometer? Easy to use & Accurate Package include instruction manual and battery to get you started. Pro wind speed indicator equipped with sensitive sensors for you to use indoor outdoor Wild Application for Electrical & Outdoor Activities BT-846A anemometers is ideal for troubleshooting in HVAC appliances like: computer fans, heaters and air conditioners,duct ventilation,etc WHAT'S in the package 1 * 9V Battery 1 * Wind Meter Case 1 * Instruction Manual 1 * BTMETER BT-846A Digital Anemometer ## Features - ➤【Pro Air Flow CFM Anemometer 】Accurately measures wind velocity in 5 units: m/s, km/h, ft/min, knots, mph. wind temp in ℃/℉ , air flow in CFM CMM. Allows you to record 600 groups of wind data, and comes with carrying storage case that provides good protection and keep everything together. - ➤【Higher Range Wind Speed Meter 】Higher Wind Speed Range: 0.001~100 mph (Accuracy: +/- 3% +/- 0.2 reading), Resolution: 0.001. Air temperature range 32.0-113.0 ℉(0~45℃), Resolution 0.1. And also provides Current, Max, Min, 2/3 Max, Average of wind velocity, wind flow readings - ➤【Airflow CFM Meter】BT-846A wind speed gauge measures Wind flow range: CFM 0-999900 ft3/min, Resolution: 0.001-100, Air flow area : 0.001-9999 ft2. You can just set the cross sectional area of the register or vent, the air volume will display in CFM/ CMM synchronously during the air flowing measurement. - ➤【Separated Extendable Wind Sensor】Built with user-friendly extendable wind sensor vane, so you can still look at the readings easily while you testing balancing the AC or dust collection system. 1.69 x 2.36 inch large Backlit LCD display can help you read the wind changes easily. - ➤【Must Have for Air Balancing】 Designed for HVAC trouble-shooting, air flow balancing. The separated wind speed sensor can be replaced if it’s broke to increase the service life. Manual or Auto power off after 5 mins without operation to save the battery. 12 months warranty for any quality problem ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07PVM88GJ | | Brand Name | BTMETER | | Customer Reviews | 4.2 4.2 out of 5 stars (220) 4.2 out of 5 stars | | Item Dimensions | 8.6 x 3.8 x 16.5 centimeters | | Item Weight | 1.65 Pounds | | Manufacturer | BTMETER | | Material Type | Metal | | Model | BT846A | | Part Number | BT846A | | Unit Count | 1 Count | | Upc | 778469100677 | ## Product Details - **Brand:** BTMETER - **Item dimensions L x W x H:** 8.6 x 3.8 x 16.5 centimeters - **Item weight:** 748 g - **Material:** Metal - **Number of Items:** 1 ## Images ![BT-846A Pro HVAC Anemometer Measures Wind Speed Wind Flow Wind Temperature CFM Air Flow Velocity Meter with Backlight MAX MIN AVG - Image 1](https://m.media-amazon.com/images/I/713cFPxPh3L.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Can the auto shutoff be turned off so it remains on to collect data over a day or multiple days?** A: Hi, thanks for asking. Without any key operation and the wind speed sensor is stationary for 5 minutes, it will automatically shut down Feel free to email us for any further questions: BT@BESTMETER.CN **Q: Does it give wet bulb temp** A: Thanks for asking. Sorry, it doesn't. BT-846A anemometer can measure wind temp in Degrees Celsius / Fahrenheit. If you're looking for a CFM anemometer that also measures web bulb temp, you can check BT-866A, here's the link: https://www.amazon.com/dp/B07RXHFF8G BT-866A can also connect to pc for data log, measures wet bulb temp. If you're interested in more details, feel free to email us bt@bestmeter.cn for a manual **Q: Can i connect via usb cable to computer to download data?** A: Thanks for asking. BT-846A doesn't support connect to computer, but BT-856A DOES You can choose BT-856A, and install the software from the included CD or email us : bt@bestmeter.cn for the lastest verion **Q: What is the thickness of the wind vane sensor?** A: If you are asking the thickness of the "wind tunnel" housing for the rotating blade it is about 30 mm ! 1.25 inches . ## Customer Reviews ### ⭐⭐⭐⭐⭐ Top kwaliteit - alles zit er bij :-) *by on Reviewed in the Netherlands 9 December 2023* Dit is echt een prima gebruiksklare set. Er zit zelfs een batterij bij.Heel handig dat alles in een koffertje geleverd wordt. Dan heb je altijd de complete set bij elkaar en raakt er niks kwijt.Het is een degelijk apparaat. Goed display. Gemakkelijk te gebruiken. Er zit een duidelijke handleiding bij. ### ⭐ Delusione *by on Reviewed in Italy 7 December 2024* Ricevuto non funzionante la ventola non è bilanciata ### ⭐⭐⭐⭐⭐ just what i needed *by on Reviewed in the United Kingdom 9 May 2023* works great ## Frequently Bought Together - BTMETER BT-846A Pro HVAC Anemometer Measures Wind Speed Flow Temperature CFM Air Flow Velocity Meter with Backlight MAX MIN AVG - Manometer, Professional Air Pressure Meter, Dual-Port HVAC Digital Manometer Gas Pressure Tester,12 Selectable Units Differential Pressure Gauge, (Included Battery) - Fieldpiece ASP2 Static Pressure Probes --- ## 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.co.uk/products/379238182-bt-846a-pro-hvac-anemometer-measures-wind-speed-wind-flow](https://www.desertcart.co.uk/products/379238182-bt-846a-pro-hvac-anemometer-measures-wind-speed-wind-flow) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-10*