Battery Operated Fire Alarm Stand Alone Smoke Detector, Optical
1: Photoelectric technology is generally more sensitive than
ionization technology at detecting large particles, which tend to be produced
in greater a mounts by smoldering fires , which may smolder for hours
before bursting into flame . Sources of these fires may include cigarettes
2: The unit shall include a piezoelectric horn that is rated at 85
decibels at 10 feet. In a smoke incident, the horn will sound in the repetitive manner—three beeps, a pause, three beeps, a pause.
3: The unit shall also include a low battery warning utilizing a
brief alarm chirp every30 -40 seconds for a minimum of seven days. The alarm will utilize a red LED that shall flash once every 30 -40
to indicate the alarm is receiving power.
Static Current ::
≤1 2 µ A
≤1 5 m A
Audio Al arm:
8 5 DB a t 1 0 f e et
6m high , 6 0 ㎡
Humidity R a n g e:
≤9 5 % R H (4 0 ±2 ℃)
1 4℉( - 1 0 ℃) t o 1 4 7 ℉( 60 ℃)
B a t t e r y : 9 V b a t t e r y b a c k - u p f o r a t l e a s t
1 y e a r .
Applies widely to works, banks, stores, warehouses, offices and