Static Leak Detector KÜR5 AM-359Water-law required equipment for double-wall tanks without fixed power connection available. The vacuum is generated by an external pump in the leak control room and constantly kept. In the case of negative pressure drop, the hand of the leak detector is move to the red area to show alarm (without potential-free alarm contact). The leak detector is intrinsically safe and has no ignition source. Application for inflammable and non-inflammable liquids under temperature from -5°C to +50°C.