Detailed Smoke Alarm Description
This fire alarm detector is a household photoelecric smoke - sensitive automatic detector. It s working
principle is to detect the smog generated by the fire at
the initial stage treatment - identification circuit and special - purpose chips, etc. It
realizes its function mainly by utilizing the scatter absorption and prevention
of the smog particles or mini - particles against the light beam. After
the smog enters in the optical dark chamber of the detector , the beam from
the ultrared ray source scatters on the surfaces of the smog ions, the light - sensitive
diode of the light receptor receives the scattered light and generates a
photoelectric signal current which is treated through the photoelectric signal a
time retardation to effect the detect - alarming. A short
toot without the lightening - up of the said tube means somewhat lowered grade
of the detector"s sensitivity at which the user shall conduct an adequate maintenance
to elevate ist detecting sensitivity.
This product features an integrally minor and nice - looking structure allowing a suspensory
installation. its short toot and the lightening of LED 10 - polar tube on
it indicate the low battery voltage to remind user of changing the battery.
Packaging: color carton
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