https://vedardalarm.com/co-smoke-detector-carbon-monoxide-and-smoke-alarm-p-271

Standalone 9V CO and Smoke Detector Carbon monoxide and Smoke Alarm

Technical Parameter

https://vedardalarm.com/co-smoke-detector-carbon-monoxide-and-smoke-alarm-p-271

Monitor current: ≤ 25 uA

Alarm current : ≤ 45 mA

Working voltage: DC9V battery

Sound Level : ≥85 db (3 m)

Working Temperature: -10 ~ +60 degrees

Operating Humidity: ≤ 95% RH

Sensor Types: composite optical and electrochemical carbon monoxide sensor

Product Size: 140 *41mm

Standard: CE&EN 14604 & RoHS

concentration of alarm:

carbon monoxide:

30 PPM, alarms within 120 minutes;

50 PPM, alarms within 60~90 minutes alarm

100 PPM, alarms within 10 ~40 minutes alarm;

300 PPM, alarms within 3 minutes

smoke: 1% ~ 5% / FT OBS