--- product_id: 401450497 title: "BTMETER 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: "£127.25" currency: GBP in_stock: true reviews_count: 5 category: "Btmeter" url: https://www.desertcart.co.uk/products/401450497-btmeter-bt-846a-pro-hvac-anemometer-measures-wind-speed-wind store_origin: GB region: United Kingdom --- # Records 600 wind data groups Backlit LCD for easy reading Measures wind speed in 5 units BTMETER 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:** £127.25 **Availability:** ✅ In Stock ## Summary > 🌟 Master the airflow game with precision and style! ## Quick Answers - **What is this?** BTMETER 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?** £127.25 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/401450497-btmeter-bt-846a-pro-hvac-anemometer-measures-wind-speed-wind) ## 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 - • **Precision in Every Breeze:** Accurately measures wind velocity from 0.001 to 100 mph with ±3% accuracy, ensuring reliable HVAC diagnostics. - • **Ergonomic Extendable Sensor:** Separated, extendable wind sensor lets you monitor readings comfortably while balancing air systems. - • **Versatile Measurement Units:** Switch effortlessly between m/s, km/h, ft/min, knots, and mph to suit any project or client preference. - • **Data-Driven Airflow Insights:** Stores up to 600 wind data sets, empowering you to track and analyze airflow trends like a pro. - • **Built for Longevity & Convenience:** Includes protective carrying case, auto power-off, replaceable sensor, and a 12-month warranty for peace of mind. ## Overview The BTMETER BT-846A Pro HVAC Anemometer is a professional-grade tool designed for precise measurement of wind speed, temperature, and airflow in multiple units. Featuring a high accuracy range, extendable sensor, backlit LCD, and the ability to record 600 data sets, it’s ideal for HVAC troubleshooting and air balancing. Packaged with a durable carrying case and backed by a 12-month warranty, it’s engineered for reliability and ease of use in demanding environments. ## Description Product Description Review: Top kwaliteit - alles zit er bij :-) - 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. Review: Delusione - Ricevuto non funzionante la ventola non è bilanciata ## 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 | | Best Sellers Rank | #146,046 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #103 in Anemometers | | Brand | BTMETER | | Brand Name | BTMETER | | Country of Origin | USA | | Customer Reviews | 4.2 out of 5 stars 220 Reviews | | Item Dimensions | 8.6 x 3.8 x 16.5 Centimeters | | Item Weight | 1.65 Pounds | | Item dimensions L x W x H | 8.6 x 3.8 x 16.5 Centimeters | | Manufacturer | BTMETER | | Material | Acrylonitrile Butadiene Styrene (ABS) | | Material Type | Acrylonitrile Butadiene Styrene (ABS) | | Model Number | BT846A | | Number of Items | 1 | | Part Number | BT846A | | UPC | 778469100677 | ## Product Details - **Brand:** BTMETER - **Material:** Metal - **Item dimensions L x W x H:** 8.6 x 3.8 x 16.5 Centimeters - **Item Weight:** 748 g - **UPC:** 778469100677 ## Images ![BTMETER 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) ![BTMETER BT-846A Pro HVAC Anemometer Measures Wind Speed Wind Flow Wind Temperature CFM Air Flow Velocity Meter with Backlight MAX MIN AVG - Image 2](https://m.media-amazon.com/images/I/71fYw3I5F5L.jpg) ![BTMETER BT-846A Pro HVAC Anemometer Measures Wind Speed Wind Flow Wind Temperature CFM Air Flow Velocity Meter with Backlight MAX MIN AVG - Image 3](https://m.media-amazon.com/images/I/71edQAZOQgL.jpg) ![BTMETER BT-846A Pro HVAC Anemometer Measures Wind Speed Wind Flow Wind Temperature CFM Air Flow Velocity Meter with Backlight MAX MIN AVG - Image 4](https://m.media-amazon.com/images/I/716rygTRikL.jpg) ![BTMETER BT-846A Pro HVAC Anemometer Measures Wind Speed Wind Flow Wind Temperature CFM Air Flow Velocity Meter with Backlight MAX MIN AVG - Image 5](https://m.media-amazon.com/images/I/71xkAaNtNtL.jpg) ## 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 E***N on 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 A***A on 7 December 2024* Ricevuto non funzionante la ventola non è bilanciata ### ⭐⭐⭐⭐⭐ just what i needed *by R***N on 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/401450497-btmeter-bt-846a-pro-hvac-anemometer-measures-wind-speed-wind](https://www.desertcart.co.uk/products/401450497-btmeter-bt-846a-pro-hvac-anemometer-measures-wind-speed-wind) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-30*