Patent ID: 7397361

Claim:
A device for a safety system for an installation, comprising: a plurality of detectors placed in or adjacent to a habitat in which equipment that carries out work on an object inside the habitat results in heat generation that is isolated from the surroundings outside of the habitat, and where an overpressure of air is set up inside the habitat to prevent ingress of flammable gases, the overpressure of air from a compressed air source, the detectors adapted to register the overpressure of air inside the habitat; an alarm system that can warn of irregularities; and a mobile shut-down central unit to which the detectors and the alarm system are electrically connected, the mobile shut-down central unit comprising a computer unit to set the overpressure for surveillance of the habitat, and the mobile shut-down central unit is arranged to control the power supply to the heat generating equipment inside the habitat.