As an experienced flow expert, we have developed series of air velocity transmitters with good price. The transmitters are designed on thermal dissipation probe. Such design just requires very low air rate to ensure high accuracy measurement for low air velocity. Its enclosure material is thermo-stability and anti-corrosive, so even though used in rugged environment, its performance is still stable.

Comparing with traditional vane type velocity sensors, the wind velocity instrument can ensure better low-voltage repeatability. Meanwhile, it can provide more accurate measurement for micro air rate with quicker speed. With wide measuring range, the air velocity probe can do full-range precision calibration by inner micro controller.

Based on patented calculation method, our HAVC air speed flow meters have been provided with temperature compensation and linear compensation, its accuracy and resolution is higher. The air velocity sensor devices have no zero shifting, so its long-term stability is very good. And the instruments can bear instant high velocity by certain direction installing.


  • High accuracy of 1%
  • High cost-effective solution
  • Patented calibration method
  • Convenient to operate
  • Good accuracy for Low air velocity measuring
  • Low power consumption
  • Leading technology with cored technology
  • Automatic calibration
  • Temperature compensation
  • Good stability of long-term
  • Professional component developing with encapsulation
  • Customizing available as requirement


  • HVAC, Ventilation Air-conditioning
  • Laboratory fume hood and biological safety cabinet
  • Purification room and workshop
  • Medical operation room
  • Animal inspection in lab
  • ...

Air Velocity Transmitter

Integrated type or separated type. The air transmitter type has no LCD.


  • Accuracy: +/-0.02%FS;
  • Analog output:0-5V;0-10V;4-20mA (optional)
  • Digital output: RS485 (Modbus)
  • Power supply: 12VDC;24VDC;
  • Velocity range:0-1;0-2;---0-30m/s(optional); Max 0-50m/s (special making)
  • Working temperature:-10 to 50 Deg.C.
  • Material: ABS;PVC
  • Protection class: IP65 (Separated type)

Air Velocity Meter with Display

Local display make it convenient to know the real-time value.Separated type is optional.


  • Accuracy: +/-0.02%F.S.
  • Power supply: 15-30Vdc
  • Analog output: 0-5V;0-10V;4-20mA
  • Digital output: RS485 (Modbus)
  • Velocity range: 0-1;0-2;0-5;to 0-30m/s(optional)
  • Working current: <50mA
  • Working temperature:-10 to 60 Deg.C
  • Long-term stability:+/-1%F.S./year
  • Protection class: IP20

Miniature Air Velocity Sensor,Low Flow Measurement

The model is developed for accurate measurement of low air velocity. It is widely used for laminar air flow measuring in narrow space. Of course, it can be used for other special ventilation Air-conditioning. It features high accuracy, small size, low power consumption, etc.


  • Measuring range: 0-10m/s
  • Accuracy:+/-2%
  • Power supply: 12Vdc/ac; 24Vdc/ac
  • Analog output: 0-5V;0-10V;4-20mA
  • Working current: <30mA
  • Protection class: IP64
  • Working temperature: -5-40 Deg.C.
  • Working humidity: 0-95%
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Fume Hood Face Flow Air Velocity Sensor

For biological safety equipment and fume hood cabinet. It is introduced with small bypass design with front face air velocity measurement. Then produces alarm signal for unsafe situation. It features small size, high accuracy, lower power consumption, quick time response,etc.

Technical Specification

  • Measuring range:0-0.5m/s to 5m/s optional
  • Accuracy: +/-2%
  • Power supply: 12/24Vdc/ac;
  • Analog output: 0-10V;4-20mA
  • Working current:<30mA
  • Working temperature: -5-55 Deg.C.
  • Working humidity: 0-95%
  • Storing temperature:-20-70 Deg.C.
  • Enclosure material: ABS,PVC


1.Please select proper model as actual measuring range, otherwise it will lose unnecessary resolution
2.Signal outputs listed can be supplied, but it doesn't mean to provide all at the same time.
3.Please indicate necessary parameters for special order, otherwise it will be 24Vdc power supply and 4-20mA/0-10V double outputs.