Dwyer AVPT-H04C1A12 is a pencil style air velocity transmitter with a temperature range of -4 to 140°F. It offers standard or high accuracy options, with a power requirement of 24 VAC/VDC. The transmitter has a quick response time of 4 seconds and is enclosed in a NEMA 3 rated casing. It comes with plenum rated cable with 22 AWG conductors for electrical connections. The voltage requirement is 10 kΩ minimum, with a 0-10 V analog output. The transmitter is suitable for clean air service and can be mounted with flow direction parallel to the sensor tip. It consumes less than 50 mA of current and is available with a 6" or 12" probe length. The baud rate can be selected from 9600 to 115200, and the ranges vary from 1000 to 4000 FPM or 5 to 20 m/s. The transmitter also offers BACnet MS/TP and is available with a 5-pin M-12 or a 5-conductor cable whip.