Dwyer 641-12 Air Velocity Transmitter is a reliable solution for measuring air velocity. With a temperature range of -40 to 212°F, an accuracy of 3% FS, and a power requirement of 12 to 35 VDC, this transmitter provides accurate and efficient data. It features a response time of 1.5s, a NEMA 4X enclosure rating, and a 4-1/2 digit LED display. Suitable for clean air and non-combustible gases, it has a pressure limit of 100 psi and a process connection of 1/2" male NPT.