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Item #: HD4
Our Price: $415.00
Analog Output  
Probe Type  


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

  • Hot wire anemometer transmitter
  • Directional and Omni-directional Versions
  • High sensitivity for low speeds
  • Analog Output 4-20mA or 0-10V DC
  • Ideal for ventilation ducts, clean rooms, air quality
  • Variable response time for turbulence
  • Ready calibrated
Air (Wind) Speed  
Sensor Type Hot wire

01 to 5 m/s
0.2 to 40 m/s

Accuracy ± 0.2 m/s +3% full scale
Response time selected by jumper 0.2s or 2.0s
Operating temperature Probe 0 -80°C , electronics 0-60°C
Compensation temperature 0 -80°C
Storage temperature -10 to +80°C
Protection class IP67
Working conditions clean air, RH<80%
Case Dimensions 58x65x35 mm
Standard Cable length 2 m


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