Nnnn601p-m optical smoke detector pdf files

The photoelectric optical smoke detector was invented by donald steele and. Correct installation and maintenance of smoke detectors prevents unwanted nuisance alarms. The simplisafe smoke detector sssd1 is a photoelectric smoke detector, designed to sense smoke that comes into the detector chamber. This parameter, known as the response threshold value, is normally measured in a smoke tunnel and is defined in terms of the obscuration produced by the smoke over a one metre path. Fire detection overview cfaa technical seminar 2019. Detector installation the intelligent optical smoke detector should be installed in compliance with all local codes having a jurisdiction in your area or nfpa 72 national fire alarm code, nfpa 70 national electrical code, bs 5389 and en54. Circuit of optical smoke detector resistor r1 limits the current through the led inside the sensor. Apollo fire detectors ltd hasnt formatted technical specifications for series 65 optical smoke detector yet.

The sensitivity of singlesensor photoelectric detec. Series 65 optical smoke detector by apollo fire detectors ltd. Before installation verify the proper wiring and base are firmly mounted to prevent detector. Optical only detectors are not suitable for detecting fast burning fires producing little visible smoke or very black smoke. This smoke detector is designed to give early warning of developing fires with an alarm sound from its builtin siren. The sensor employs an alarm verification function which requires two successive pulses before an alarm is given.

The sensing element of a smoke detection device optical smoke chamber. The series 65 optical smoke detector has a moulded selfextinguishing white polycarbonate case with wind resistant smoke inlets. White paper principles of asa firedetection technology june 2012. The orbis optical smoke detector operates on the wellestablished light scatter principle. This tyco smoke detector is particularly suitable for general applications and areas where cable overheating may occur, e. Fire alarm systems fap420fah420 automatic fire detectors lsn improved version. Maintaining a complete file of information on the alarm system in a. F220 photoelectric smoke detectors bosch security systems. Please check out the similar products section for alternatives. The alarm contains a pulsed infra red led which pulses a beam of light into the sensor chamber every 10 seconds to check for smoke particles. The salwico dos3 n1115 is a low profile conventional optical smoke detector designed to combine optimal response to smoke with a strong immunity to false and unwanted alarms. An optical smoke alarm also called photoelectric smoke alarm works using the light scatter principle. Fap420fah420 automatic fire detectors lsn improved version. Mr601tex intrinsically safe enhanced optical smoke.