Lelec Alarm Warning Sensor Home Security Systems Co Carbon Monoxide Detector High Sensitivity LCD Digital Display Battery Operated

الوصف

Features: -LCD display with a blue back ground light. -Loud 85 decibel alarm. -Permanent carbon monoxide sensor. -Powered by 3 x 1.5V AA batteries. -The alarm sound pattern is four short alarm beeps. The red LCD will flash while in alarm mode. -One chirp every 30 seconds is an indication that the battery is low(need replacement) (green LCD still flashes once every 30 seconds) or the unit is malfunctioning (green LCD is out). -Alarm memory feature: If the unit ever alarms, press the button, green LCD will flash once every second for one minute and the peak alarm level will indicate one the LCD. -Test/Reset button to test the unit electronics and verifies proper unit operational and reset the unit during CO alarm. -Green and red LCD lights that indicate normal operation and alarm status. -The unit will sound chirp and red LCD flashes once as power up. -Power saving feature: The alarm sound pattern is 4 beeps every 5 seconds for the first 4 minutes. In 4 minutes, it will change to 4 beeps every minute to save the battery. Sensor: Electrochemical CO sensor 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 Alarm Mode : Red LCD 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 LCD flashing and Lb on LCD Mal-function Indicator: Chirp every 30s with green LCD out and Err on LCD Power consumption: 0.3mW Size: 10 x 4cm Powered By: 3 x AA Batteries (Not included)