Acoustic detector - FlexSonic

Gas sensors

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Presentation

The FlexSonic™ Acoustic Detector is designed to recognize the unique ultrasonic frequency content of events such as gas leaks. When a pressurized gas leak occurs, the frequency content of the sound being generated extends beyond the audible portion of the spectrum into the ultrasonic region (above 20 kHz). The intensity of the sound generated by a leak is determined by several factors including pressure, leak rate, gas viscosity, and distance from the leak source. Acoustic detection is less susceptible to environmental factors (such as high winds) that can degrade the ability of traditional sensing technology based on gas concentration to detect the presence of a leak. When combined with line of sight and/or point gas detectors, the additional layer of protection provided by the FlexSonic Acoustic Detector offers the ultimate solution for gas leak detection.

The FlexSonic Acoustic Detector is comprised of two main components: the AC100 Acoustic Sensor, and the ATX10 Acoustic Transmitter.

The AC100 Acoustic Sensor employs a high performance microphone and digital signal processing (DSP) technology to continuously monitor the acoustic signal. The wide dynamic range and spectral resolution enable the sensor to provide both superior sensitivity and false alarm discrimination.

The ATX10 Transmitter evaluates the incoming acoustic power spectrum data from the AC100 Acoustic Sensor and makes a determination of alarm condition.