Metal Vane Anemometer Lutron AM-4206M is a durable and accurate Anemometer designed for measuring air velocity, air volume, and temperature in HVAC, ventilation, and industrial applications. Featuring a rugged metal vane sensor and dual LCD display, this Vane Anemometer provides measurements in multiple units and calculates CFM/CMM for airflow analysis. Widely used as an Air Flow Meter and Air Flow Measuring Instrument, it includes Max/Min recall, Data Hold, and optional RS-232 connectivity for efficient testing and data logging. Applications:- HVAC systems, ventilation testing, air duct monitoring, industrial airflow measurement, cleanrooms, exhaust systems, air balancing, laboratory airflow testing, environmental monitoring etc.