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International Automotive Technicians Network
Re: ultrasonic headphones
Posted to HVAC Forum on 5/6/2024

Works great on Air leaks on air brake trucks. You can hear them at least 4-5 feet away. Also shop air leaks, not too much on AC system. I have tried it on ac systems, and it worked once on a larger leak that we couldn't find for some reason or the other. not ... Login to read more.