{"product_id":"h-holdpeak-866b-digital-anemometer-handheld-wind-speed-cfm-meter-8-vane-dual-temp","title":"H HOLDPEAK 866B Digital Anemometer Handheld Wind Speed \u0026 CFM Meter — 8‑Vane, Dual Temp","description":"\u003cp\u003e\u003cstrong\u003eThe HoldPeak 866B is a compact handheld digital anemometer that precisely measures wind speed, temperature and helps calculate CFM for outdoor and HVAC use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for hikers, drone pilots, HVAC technicians and outdoor sports enthusiasts, the HoldPeak 866B combines an eight-vane sensor, dual temperature sensing and easy-to-read digital reporting in a lightweight package. Its broad unit options, tripod-mount capability and protective carrying pouch make it a practical instrument for field work, hobby projects and basic airflow diagnostics.\u003c\/p\u003e\n\n\u003ch3\u003eHow accurate and sensitive is this anemometer?\u003c\/h3\u003e\n\u003cp\u003eThe 866B delivers reliable readings across a practical range, detecting speeds from 0.67 to 67.1 mph with a quoted tolerance around ±2% of readings. The eight-vane rotor and smooth shaft reduce measurement noise, while dual temperature sensors stabilize wind-chill and air temperature reporting.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWind speed range: 0.67–67.1 mph (multiple units selectable).\u003c\/li\u003e\n  \u003cli\u003ePrecision: approximately ±2% across the range for consistent results.\u003c\/li\u003e\n  \u003cli\u003eSensors: 8 vanes and dual temp sensors for stable measurements.\u003c\/li\u003e\n  \u003cli\u003eHardware: smooth fan shaft to minimize mechanical friction and jitter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat measurement modes and units does it support?\u003c\/h3\u003e\n\u003cp\u003eThe HoldPeak 866B offers flexible display options to suit different applications: switchable wind speed units, temperature units, and summary statistics such as max, min and average. These modes make it easy to log short-term gusts or steady airflow for CFM calculations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWind speed units: m\/s, km\/h, ft\/min, knots, mph.\u003c\/li\u003e\n  \u003cli\u003eTemperature units: °C and °F selectable on demand.\u003c\/li\u003e\n  \u003cli\u003eData modes: Max, Min and Average wind speed readouts.\u003c\/li\u003e\n  \u003cli\u003eExtras: battery level indicator, auto-off and backlight for low-light use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use the 866B for HVAC and CFM calculations?\u003c\/h3\u003e\n\u003cp\u003eYes — the 866B can be used to estimate airflow (CFM) when paired with a duct cross-sectional area. It detects low airflows typical in vents and ducts, providing a quick field reference for installations and troubleshooting without complex equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCFM calculation: Air Flow (CFM) = wind speed × duct cross-sectional area.\u003c\/li\u003e\n  \u003cli\u003eLow-flow sensitivity for vent and duct checks during HVAC work.\u003c\/li\u003e\n  \u003cli\u003ePortable format for quick spot checks without hauling larger gear.\u003c\/li\u003e\n  \u003cli\u003eTripod mount option stabilizes the unit for steady long-read measurements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat accessories and practical features come with the device?\u003c\/h3\u003e\n\u003cp\u003eThe 866B arrives ready for field use: batteries, a waterproof carry pouch and a hand strap keep the meter protected and handy. A tripod hole and included screwdriver let you mount or secure the anemometer for repeatable measurements during tests or outdoor sessions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: HoldPeak 866B unit, 2× AAA batteries, user manual and screwdriver.\u003c\/li\u003e\n  \u003cli\u003eCarrying pouch: splash-resistant storage for outdoor travel and protection.\u003c\/li\u003e\n  \u003cli\u003eMounting: tripod hole for fixed-position measurement and stability.\u003c\/li\u003e\n  \u003cli\u003eHandling: hand strap to prevent accidental drops during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The HoldPeak 866B suits a wide set of users who need dependable, portable wind and airflow readings: hobbyists flying drones or kites, sailors and surfers checking conditions, golfers and outdoor athletes assessing wind, and technicians performing HVAC spot checks or simple CFM estimates. If you want a lightweight, multifunction meter with clear reporting and practical field accessories, the 866B is designed to be a straightforward, cost-effective tool.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What wind speed range does the HoldPeak 866B measure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It measures from 0.67 to 67.1 mph and offers multiple unit options like m\/s, km\/h, knots and ft\/min.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use the 866B for CFM calculations?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Use measured wind speed multiplied by the duct cross-sectional area to estimate CFM for basic airflow checks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"H HOLDPEAK","offers":[{"title":"Default Title","offer_id":56830603624788,"sku":"B00ZHKWCP4","price":56.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/holdpeak-866b-front-panel.jpg?v=1787006314","url":"https:\/\/gardenluxe.co.uk\/products\/h-holdpeak-866b-digital-anemometer-handheld-wind-speed-cfm-meter-8-vane-dual-temp","provider":"Gardenluxe Uk","version":"1.0","type":"link"}