LZ-1922 DC3V smoke alarm
8 month ago
1) Monthly Testing: Press the test button on the cover of the unit and hold it until the alarm sounds. If the alarm does not go off, check if the unit is receiving power and test it again. If it still doesn't alarm, check the battery and replace it immediately if needed.
2) Visual Indicators: The signal light on the unit flashes once every 30 seconds to indicate that it is functioning properly. When the alarm goes off, the signal light will flash once every 0.5 seconds.
3) Low Battery Warning: If the alarm emits a low "chirp" sound every 30 seconds, it means the battery needs to be replaced.
4) False Alarm: Normal smoke from cooking or small amounts of smoke will not trigger the alarm. False alarms occur only if you blow smoke directly into the alarm or if you forget to turn on ventilation while cooking.
5) Smoke Activation: Sometimes, smoking near the unit may trigger the alarm. In such cases, simply ventilate the area to stop the alarm from sounding.
Product Description LZ-1922 smoke alarm
•10 years life time
•1 non-replaceable 3V lithium battery
• Photoelectric chamber of early detection from all directions.
• Loud>85db(A) alarm signal(3M)
•Big test button for easy operation
•Hush function
• Low Battery signal
•Automatic calibration instead of adjustable resistor
•Infra-red LED and more sensitive photo-diode
•N.W.: ≈98g（include battery）
• Dimensions: Ф100*35mm
Product Parameter
Model No.
LZ-1922D
Standard
EN14604:2005/AC:2008
Voltage
DC 3V（non-replaceable）
Standby current
≤3uA
Alarm current
≤100mA
Sensor type
Photoelectric
Temperature
一10°C ~ +55°C
Ambient Humidity
≤95%R.H
Alarm memory
Green LED flashes three times
LED indication
Red LED & Buzzer
Hush time
8~9min
Product life
10 years
Sound pressure
≥85dB(around 3m)
Weight
≈103g
Product size
Φ100*35mm
Installation way
Ceiling mounting
Applicable place
The standalone smoke detector can be widely applied in residences, nursing homes, service institutions for the disabled, kindergartens, community activity places, old residential buildings, dormitories, rental flats, hotels, basements, and other places where there might be fire happening.
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