The most efficient way to ensure tightness is to test for it using ultrasonics. The testing can be either fully integrated into the production process, or carried out later as a control. To ensure the most accurate results, equipment is available that can detect naturally occurring ultrasounds or those produced by a transmitter.
Experience with ultrasonic equipment covers the full spectrum, from large volumes such as buildings, cold and "white" rooms down to cockpits, vehicles and electrical cabinets. This is done using a transmitter and a detector.
Ultrasonics are also invaluable in establishing the tightness of cisterns, reservoirs, covers and underground fuel tanks. Ultrasounds are detected by lowering the pressure within the tank or cistern.
Sherlog is a detector created specifically for tightness testing in the the maritime industry, and which also has numerous other applications aboard ships.
Click here for more information on Sherlog
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