Wholesale CO Carbon Alarm EN50291

Wholesale CO Carbon Alarm EN50291

Product description:

Home Security CO Carbon Monoxide Detector/ Alarm EN50291 with 7 years Sensor life


1. EN50291 Approved Carbon Monoxide Detector Alarm;

2. Electrochemical co sensor

3. 3 digits LCD display;

4. Power Supply : 3*1.5V AA battery operated

5. Low battery warning and fault indication feature;

6. Auto Test/ reset button;

7. Simple installation, ceiling or wall mounted

8. Good quality, good reliability & high stability;

9. 85 decibel alarm sound;

10. Alarm Style : Per EN50291;

The sensitivity and time:

50ppm, alarm in 60-90 minutes
100ppm, alarm in 10 ~ 40 minutes
300ppm, alarm in 3 minutes

11: Alarm Memory Function

12. 7 years life


Model No.


Power Supply

3*1.5V AA batteries


Electrochemical CO sensor

Alarm Style

Per EN50291

Sensitivity/ Alarm Time

Within 60~90 minutes @ 50ppm CO concentration;

Within 10~40 minutes @ 100ppm CO concentration;

Within 3 minutes @ 300ppm CO concentration

LCD Displayer

3 digits LCD displayer (with blue backlight)


85dB ( at 1m distance )

Led Indication

/Sound Pattern

Standby: Green Led flashes once every 30 seconds

Alarm: Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat

Low-bat Indicator

'Chirp' every 30s as battery lower than 3.5V and 'Lb' on LCD

Fault Indicator

'Chirp' every 30s with yellow and red LED flashes synchronously and 'Err' on LCD

End Life Alert

'Chirp' every 30s with red LED flashes synchronously

and 'end' on LCD

Power consumption


Sensor Life

5 years

Operation ambient

0°C ~ 40°C, 20% ~ 90%RH


Wall mounting


Alarm: Dia110mm*H35MM, Mounting Plate: Dia120mm

Comply With

CE, EN50291