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The vacuum pump creates a gradual vacuum in the tank
As soon as the vacuum created is greater than the hydrostatic pressure (max.۲۵۰mbar) due the height of the liquid, any leaks generate ultrasonic signals
The ۲ sensitive sensors placed in the tank (one above, the other in the liquid) detect even the tiniest leaks, thus allowing the checking of flammible Liquid tanks or tanks containing Products harmful to the environment
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