Ultrasonic Leak Detector
An ultrasonic leak detector consists of a speaker which emits ultrasonic sound, beyond the range of human hearing. It also has a microphone which has a unit with a gauge which shows the strength of the sound, and can convert the sound into a frequency which we can hear through headphones.
You place the ultrasonic emitter inside the car, and then use the sensor to detect areas where the sound is strongest. In operation, it is rather like using a metal detector, where louder and stronger sound indicates a hit.
An ultrasonic sensor is a vital and very useful tool for finding rain water leaks but must be used with some knowledge as cars are full of holes which may allow sound to pass through them, but do not necessarily let water pass, so there is a greater chance of false-positives.
Written by Danny Argent. Last updated 27/10/2023 16:01