The point detector is designed to detect fires accompanied by smoke. The design of the detector provides shielding of the optical chamber fine-mesh mesh mesh and a mechanical device to monitor performance.
It has a two-wire connection with a standard 9V output. On the base of the detector with the help of output contacts fixed metal screen, printed circuit board with radio elements and optical camera.
To check the detector operability, between the board and the base there is a spring-loaded lever, which is inserted into the optical chamber by pressing the button on the front side of the housing. The optical chamber is protected from insect penetration by a fine-mesh metal mesh connected to the "common" wire of the circuit, which makes it neutral with respect to charged smoke particles, and they penetrate into the optical chamber without hindrance.
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