Most mechanical faults and failures start out as very small defects or leaks. Such faults emit a high pitched noise as ultrasonic waves, which are beyond the range of the human ear. As the faults get more serious the noise gets more intense, the sound wavelength increases and enters the audible range. At that stage, the damage is already done. Better to detect the noise before you can hear it.
Primalec's new USX-1 hears the ultrasonic noise and re-converts it to
an audible sound via the earphones. That allows you to detect the faults
and leaks in time for preventive maintenance.
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