AP-846A Pro CFM Anemometer for HVAC Air Balancing & Dust Hose, 600 Data

Key features

• ❤️Stop Guessing — Get CFM Readings InstantlyNo more manual math on the job site. Just input the duct area (0.001–9999), and the AP-846A displays CFM/CMM air volume directly on screen. Perfect for HVAC balancing, AC duct testing, and dryer vent airflow checks.
• ❤️Perfect for Dust Collection Hose & Workshop VentilationWhether you're checking a 4", 6", or 8" dust collection hose, or tuning a workshop exhaust fan, this anemometer catches the low-flow drafts that cheaper meters miss. Wind speed range 0.001–100 mph with ±3% accuracy — measure CFM at the end of your hose by inputting the cross-sectional area.
• ❤️Reach High Vents Without a LadderDetachable extendable probe with coiled cable extends deep into ceiling ducts, narrow vents, and cramped equipment rooms. The handheld LCD host stays in your hand while the sensor goes where you can't.
• ❤️600 Data Points — Review, Compare, ReportStores up to 600 measurement groups with Data Hold, MAX/MIN, 2/3 MAX, and Average. Backlit LCD lets you recall and review readings even in dim crawlspaces or mechanical rooms.
• ❤️Built for the Long Haul Auto power-off after 5 minutes extends battery life up to 20 hours of continuous use. Rugged, portable, and backed by AOPUTTRIVER responsive after-sales support — a reliable CFM meter for HVAC pros, home inspectors, and DIY vent checks.

Free shipping included. 30-day hassle-free returns.