PRODUCT DATASHEET AN300 Series Large Vane CFM/ CMM Thermo-Anemometers Extech’s 4" (10cm) Large Vane Thermo-Anemometer series allows for more precise readings on larger size ducts. Each meter simultaneously displays Airflow or Air Velocity and Temperature. Choose models that also measure Air Volume, Humidity & Carbon Dioxide (CO2). Applications: - HVAC - Manufacturing - Engineering - Appliance Testing - Research and Design - and more! Common Features Model AN310 Additional Functions: • Measure Air Velocity and Air Flow • Built-in thermistor for air temperature • Multipoint and timed average calculations • Min/Max, Data Hold, and Auto power off • Measures Relative Humidity, Wet Bulb and Dew Point • Optional Air Flow Cone Kit (AN300-C): • Carbon Dioxide (CO2) measurement • Model AN320 Additional Functions: 8.26" (210mm) round and 13.6" (346mm) square • Measures Relative Humidity, Wet Bulb and Dew Point Complete with four AAA batteries and hard case Specifications AN300 AN310 AN320 m/s 0.2 to 30m/s 0.2 to 30m/s 0.2 to 30m/s ft/min 40 to 5900ft/min 40 to 5900ft/min 40 to 5900ft/min Accuracy ±1.5% ±1.5% ±1.5% CFM/CMM 0 to 99999 0 to 99999 0 to 99999 Temperature -4 to 140°F (-20 to 60°C) -4 to 140°F (-20 to 60°C) -4 to 140°F (-20 to 60°C) Accuracy ± (0.6°C) ±1.1°F (0.6°C) ±1.1°F (0.6°C) Humidity — 0.1 to 99.9%RH 0.1 to 99.9%RH Accuracy — ±3%RH ±3%RH Wet Bulb — -4 to 140°F (-20 to 60°C) -4 to 140°F (-20 to 60°C) Dew Point — 23 to 140°F (-5 to 60°C) 23 to 140°F (-5 to 60°C) CO2 — — 0 to 9999ppm Dimensions/ Weight 10.6x4.2x2” (269x106x51mm) / 7oz (200g) Ordering AN300................ Large Vane CFM/CMM Thermo–Anemometer AN310................ Large Vane CFM/CMM Anemometer/Psychrometer AN320................ Large Vane CFM/CMM Anemometer /Psychrometer + CO2 AN300-C............ Airflow Cone and Funnel Adapters Specifications subject to change without notice. Copyright © 2012-2013 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form. Rev. 9/17/13 AN300-C - Cone/Funnel Adapters The meter has a cone and square preset. With this optional kit it would allow HVAC technicians to be freed from the hassle of calculating dimensions and allow for quick and easy air flow measurments for these common duct sizes. www.extech.com