Landtek ULD-586 Ultraschall Lecksucher Gas Luft LED Display. IK
221,62 €
Human ear can hear sound frequency up to 18 KHz. The sound frequency above 20 KHz is categorized as ultrasonic sound which is not audible. Ultrasonic sound is very directional in nature. We can utilize this nature to pinpoint the exact origin of the sound source where the leak is located.
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