Dwyer AVPT-S15C1A12 is a pencil style air velocity transmitter with an temperature range of -4 to 140°F (-20 to 60°C). It offers standard or high accuracy readings and operates on 24 VAC/VDC power. With a 4-second response time and NEMA 3 enclosure rating, it is suitable for clean air service. The transmitter outputs an analog signal (0-10 V or 0-5 V) and has a probe length of 6" or 12". It supports BACnet MS/TP and can be configured with various baud rates. The electrical connections are made using plenum-rated cable with 22 AWG conductors.