In an ideal any inhabited or economic premise should be equipped by the fire alarm system working all day and night. She will help to find out in time ignition, to destroy its center, will give a signal to evacuation of people. .
Feature of the given system is possibility of its automatic switching on a food from the accumulator at switching-off in the electricity house. Automatically there is also an accumulator additional charge. .
The Important part of the fire alarm system are special gauges. Detectors of temperature and presence of a smoke and gases are usually applied. .
There are simple models of gauges, for example threshold not address with which help difficultly precisely to define an ignition place, and also more difficult. So analogue address izveshchateli are supplied by individual addresses on which the system quickly finds a fire source. Usually analogue izveshchateli are used for catching of a smoke and the control over temperature indoors.
Dymouloviteli share on ionising and optical. Both types of gauges react to occurrence in a protected premise of a smoke and define its concentration. The optical device operates by means of absent-minded infra-red radiation, and ionising uses ionizatsionnuju the chamber. .
At the organisation of protection of the house from a fire it is necessary to supply with gauges all premises, except bathrooms. .