The HD 40 hot wire anemometers are ready to use transmitters for mounting in a variety of situations in ducts vents and open air to monitor local air velocity. The instruments are easy to set up and use requiring only a DC power suppy of 12-40 volts and delivering an analog output all via a 3 wire cable connection. There are three version, an omnidirectional sensor with an exposed bead, a directional sensor where the sensor bead is maintained in a slot so as to provide directionality, and a directional sensor on flexible shaft for mounting in difficult locations
01 to 5 m/s 0.2 to 40 m/s