To control airflow volumes to target set point, thermal dispersion-based AMD-TD series combines functionality of thermal dispersion airflow station and control damper. Vari-Green® airflow measurement probes and transmitters enable airflow measurement down to 100 fpm. While factory-supplied controllers are available with analog or BACnet MS/TP operation, optional factory-supplied controller makes series turn-key solution. There are 4 models that feature various blade styles.