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N.º ADI #:241086 modelo #: 241086 Nombre: Addr Optical Det
Loop technology with Labor Strauss protocol
Application-specifi c setting of the response behaviour
Double dust trap and insect screen
Descripción del producto
General Información
The addressable Optical Smoke Detector FI750/O uses the light scattering principle and was developed for the detection of smoke particles in a wide range of fi re detection applications. A symmetrical sensing chamber allows for optimal smoke sensitivity from all directions.
In order to avoid false alarms, a fine-meshed protective grid effectively keeps dust, ambient light and insects from entering the detector. In addition, the special design of the case makes it more diffi cult for dust to settle inside the sensing chamber
The influence of contamination of the optical measurement system is additionally compensated for by using intelligent evaluation algorithms. As a result, the response sensitivity of the detector is kept constant for a long time - a further effective step to avoid false alarms.
The ADM loop technology with Labor Strauss/700 protocol establishes a permanent communication between the fi re detection control panel and the detector. That ensures periodical function testing of the detector.
Up to 240 loop elements can be addressed on a Labor Strauss/700 loop. In this way, extensive fi re detection systems can be designed with a minimum expense in cabling.
By parameterising the control panel accordingly, the response behaviour of the detector can be set to one of four levels and, as a result, the detector can be specifi - cally adapted for the respective application.
The two multicoloured LED displays on the detector are visible from all directions, thus facilitating the identifi - cation of the activated detector. The alarm condition is indicated in red and the test condition in green. Furthermore, an output is available for the connection of an optional remote indicator. The output can be freely parameterised on a compatible fi re detection control panel.
An integrated dual-isolator disconnects the loop in case of a short circuit. In this way, the undisturbed communication with the loop elements outside the faulty loop section is ensured.
The detector address is set by means of the hand-held Programming Unit FI750/PU within the range 1 to 240. In addition, the programming unit allows several parameters, such as the level of contamination of the optical chamber, the default analogue value or the production date to be read out. Alternatively, the detector can be addressed automatically if it is connected to a compatible fi re detection control panel.
A detector function test can be conveniently conducted by using a test magnet or an aerosol spray.
Características principales
Loop technology with Labor Strauss protocol
Application-specifi c setting of the response behaviour
Double dust trap and insect screen
Información
Categoría : Detectores de humo, Detectores de humo por haz, Dispositivos de detección de incendios, Dispositivos de seguridad de vida, Fuego, Intrusión, Productos
