Dwyer AVPT-H20C1A12 is a pencil style air velocity transmitter with a temperature range of -4 to 140°F (-20 to 60°C). It offers standard and high accuracy options based on model specific requirements. With a power requirement of 24 VAC/VDC ±20%, it has a quick response time of 4 seconds and an enclosure rating of NEMA 3. The electrical connections are made through a plenum rated cable with 22 AWG conductors. It operates on clean air and can be mounted parallel to the flow direction. The current consumption is less than 50 mA and it is available in 6" or 12" probe lengths. It has a baud rate of 9600, 19200, 38400, 57600, 76800, and 115200 and ranges between 1000 to 4000 FPM (5 to 20 m/s) depending on the model. BACnet MS/TP can be selected at the time of order and it comes with a 5-pin M-12 cable whip of length 24" (0.6 m) or a 5-conductor cable whip of length 20" (0.5 m) or 78" (2 m).