In areas where leaking gases are not sufficiently pressurized, there is no ultrasonic sound to detect. With the ultrasonic transmitter, an area can be “pressurized” with the ultrasonic sound waves, making it easy to detect cracks and leaks.
• Same features as ULD-300.
• Transmitter “pressurizes” an area
with ultrasonic sound.
• Check door or trunk seals for air
tightness, or windshields for water
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