The AN300-C Cone and Funnel Adapter Kit is intended for use with the Extech AN300 series Anemometers only (AN300, AN310, and AN320). The AN300-C kit includes a round and a square adaptor.
EXTECH AN300-C Airflow Cone and Funnel Adapter Kit Operation:
1. Attach the round or the square adaptor to the AN300 series meter. Ensure that the adaptor is well mounted and locked before continuing
2. The meter will automatically recognize the adaptor (the adaptor icon will appear).
3. The meter’s AREA setting will now default to the dimensions of the adapter.
4. Connect the adapter to the air duct or vent and measure Air Volume as described in the AN300 series user manual.