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Fire Smoke Photoelectric Gas Alarm Sensor Carbon Monoxide Gas Detector Monitor Home Security Cordless for Smart House
Free Shipping (View shipping rates and policy from the bottom of description）
- Product Code:4000595504503
- Unit:item
- Availability: In Stock
- Weight:0.6 kg
Fire Smoke Photoelectric Gas Alarm Sensor Carbon Monoxide Gas Detector Monitor Home Security Cordless for Smart House
Description：
Theory：There is an ionization chamber in the ion smoke alarm, which is in the state of electric field balance under normal conditions. When smoke enters the ionization chamber, this balance relationship will be broken. And the alarm circuit will alarm when the concentration of smoke exceed the set threshold of this fire smoke.
It is Suitable for home, factory, hotel, engineering, etc
Features：
Sensitivity/Alarm Time:Within 60~90 minutes at 50ppm CO concentration;
Within 10~40 minutes at 100ppm CO concentration;
Within 3 minutes at 300ppm CO concentration
LCD Displayer (optional): 4 digits LCD displayer
Audibility: 85dB ( at 1m distance ), Frequency 3 - 0.5KHZ
Standby Current: <50mA
Alarm Current: <50mA
Standby Mode: Green Led flashes once every 30 seconds
Alarm Mode : Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat,Low-bat
Indicator:Chirp every 30s as battery
lower than 3.3V with green LED flashing and Lb on LCD
Mal-function Indicator:
Chirp every 30s with green LED out and Err on LCD
Power consumption: 0.3mW
Powered By: 3 x AA Batteries (Not included)
A perfect item for protecting your family from the dangers of carbon monoxide
Advanced level of protection, easy to read with the digital display, even in low light conditions
Displays the level of carbon monoxide the unit is sensing
Green LED: Flashes every 30 seconds to indicate the unit is operating properly. The green LED will
also flash before CO reading is taken and when any button is pressed.
Red LED : When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud
alarm pattern will sound.
The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4
short beeps with a corresponding red LED flash. This
cycle will continue for 4 minutes and then change to 1 cycle every minute until the device is reset or
the CO is eliminated.
Test/Reset button is designed for weekly testing if it works properly and reset the unit during CO
alarm
Alerts users when batteries needs to be replaced
This alarm is highly recommended to be mounted on a wall surface
Compact, lightweight & easy to operate
specification：
Color: White
Size: 10 x 4cm
Sensor: Electrochemical CO sensor
Alarm Style: Per EN50291
Package included：
1 x Smoke Alarm
2 x Screws (not included battery )
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