Benefits of Acoustic Resonance technology
Compact and rugged
Acu-Res technology only needs a small cavity to create and maintain acoustic resonance. Thus the sensor is compact and lightweight in comparison to other sensor technologies.
Because the volume of the sensor is minimised the entire housing can be readily and evenly heated, ensuring it remains ice free.
This gives the following benefits:
- A tough and rugged sensor that withstands large shocks, severe vibrations and extreme impacts
- A low heater power is required to keep it ice free
- A long maintenance-free life is assured
- Simplified storage and handling and reduced transportation costs
The unit has no moving parts and only one device is needed to measure both air speed and direction at the same time.
Reliable and consistent measurements
Acu-Res Technology provides accurate, consistent and reliable data from all directions including inclined flow.
Changes in air density and particulates in the air can affect the accuracy of cup anemometers. Ultrasonic time of flight instruments can have a lower accuracy due to precipitation with rain and dust reflecting or distorting the effective path of the sonic pulses.
The speed of sound in air varies as a function of temperature and to a lesser extent, humidity and pressure. Acu-Res powered sensors adapt their transmission frequency to maintain resonance, thus automatically compensating for any environmental change. The quality of an air flow measurement can be assured as the ability of the sensor to maintain resonance is also monitored and reported by the Acu-Res software.
