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LCD CO Carbon Monoxide Sensors & Alarm
LCD CO Carbon Monoxide Sensors & Alarm

LCD CO Carbon Monoxide Sensors & Alarm

Regular price $11.98 $0.00
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LCD displayer with a blue back ground light.

.Loud 85 db alarm.

.Permanent carbon monoxide sensor.

.Powered by 3*1.5V AA batteries ( not included in package)

.The alarm sound pattern is four short alarm beeps.The red LED will flash whilte in alarm mode,

.One" chirp" every 30 seconds is an indication that the battery is low ( need replacement) ( gree LED still flashes once every 30 seconds) or the unit is malfunctioning ( green LED is out).

.Alarm memory feature:If the unit ever alarms,pressing the button,green LED will flashes once every second for one minutes and the peak alarm level will indicate on 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 LED lights that indicate normal operation and alarm statues.

.3 digits LCD displayer is optional."Err" on the LCD to indicate the unit is malfunctioning. 'Lb" on the LCD to indicate it low battery and need replacement. "999ppm". on the LCD to indicate CO level over 999ppm.If the CO leakage is less than 999ppm but over 30ppm.it would slow its actual concentration.

.Blue back light will be lighted when pressing the test button or alarming.

.The unit will sound "chirp" and red LED flashes once as power up,with "888" displays on the LCD for 2 seconds.

.Then pressing the test button,the unit will sound 4 beeps every 5 seconds twice with red LED flashes .

.During the self test mode,"000" displays on the LCD for 3 minites and then enter in normal operation mode.

.Power saving feature:The alarm sound pattern is 4 beeps every 5 seconds for the first 4 minutes. in 4 minutes, it will chnage to 4 beeps every minutes to save battery.



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