OSD23

OSD23
Optical smoke detector

Optical smoke detector OSD23 is designed to detect the presence of smoke in the air, in the early stages of the formation of fire. Electrical parameters of the detector OSD23 let you use it successfully in fire alarm systems.
The detector is designed to work in confined spaces, which in normal conditions, there is no smoke, dust and condensation of water vapor.

The principle of operation

The process of measuring the density of the smoke is to detect light reflected from particles of smoke that enters the inside of the measuring chamber through a slit in the shopping cart, and the holes in a special maze, at the same time that it gets light and insects to the inside of the measuring Chamber.
The design of the measuring Chamber is to immunize the detector OSD23 to external light, insects and accidental minor streaks of smoke e.g.. cigarette.
The inside of the Chamber is lighted up at intervals of 3 second strong flashes of infrared light produced by a special laserującą LED set under this angle to the axis of the listener-led PIN-to the light from the LEDs are not spreading through the detector directly. Permanently repeated smoke threshold measuring chamber causes the transition logic snap detector alarm status. Detector logic enters the detector in alarm status when the smoke threshold will be disposable. Disabling the detectors from the State of alert is possible after complete przedmuchaniu detectors and reduce power below 2V for a minimum 1sec.

Technical data

Surveillance voltage 18V (12V-28V)
Current surveillance (average) 35 μA
Current surveillance (the value. Max) 110 μA
Current alert 18 mA (18V)
Operating temperature -22 ° C to + 55 C
Relative humidity 95% at 40 ° C
Weight watch 150 g
Operating temperature range -25 ° c to + 70 ° c
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VAT-ID: PL6370108721

REGON: 271109882