Smoke and CO detector MEROSS CS11-EU
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- Code: INN_53225
- Manufacturer: Meross
- Availability: 1 working day
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- 26.80 EUR
- szt.
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Meross CS11-EU Smoke and Carbon Monoxide Detector
The Meross CS11-EU is a compact yet extremely effective detector equipped with two independent sensors – a photoelectric sensor for smoke detection and an electrochemical sensor for monitoring CO concentration. This solution guarantees a quick response in the event of a threat! The device is small and discreet, and its built-in CR123A battery ensures a long operating time – up to approximately 10 years.
Immediate response to threat
The sensor meets the EN14604 and EN50291 standards, confirming its effectiveness and quality of operation. The device responds automatically when CO levels reach dangerous levels – for example, at a concentration of 300 ppm, the alarm sounds in less than 3 minutes. A loud signal of over 85 dB ensures that the device will be heard even by sleeping household members.
Reliability and precision
If the sensor detects both smoke and carbon monoxide, it will sound first for smoke and then for CO. Furthermore, the device detects both fast- and slow-burning fires, minimizing false alarms.
Easy, cable-free installation
The sensor is powered by a built-in 3V CR123A battery with a lifespan of up to 10 years. This, combined with its well-thought-out design, means installation takes just a few minutes and doesn't require the help of an electrician. Simply screw the mounting bracket to the ceiling or wall, then insert the device – and you're done!

Intuitive traffic lights
The Meross CS11-EU features a three-color LED that clearly communicates the device's status. Green indicates readiness, amber indicates low battery or a fault, and red indicates an alarm or test mode. Operating the sensor is incredibly simple – just press a single button to test or silence the alarm.
Sophisticated design and discretion
The slim, white, rounded housing makes the sensor fit seamlessly into any interior. Its compact size makes it unobtrusive, yet effectively protects you and your loved ones from invisible threats.
Included
- Smoke and carbon monoxide detector
- Mounting bracket
- Screw set
- User manual
| Manufacturer | Meross |
|---|---|
| Model | CS11-EU |
| Certificates | EN14604:2005/AC:2008, EN50291-1:2018 |
| Sensor type | Smoke: photoelectric; CO: electrochemical; |
| Power Supply | CR123A DC 3 V lithium battery (1600 mAh, non-replaceable) |
| Operating Current | <30 uA (standby), <70 mA (alarm) |
| Alarm Volume Level | 85 dB(A) at 3 m |
| Smoke Sensitivity | 0.09–0.17 dB/m |
| CO Sensitivity | 50 ppm – 60–90 min; 100 ppm – 10–40 min; 300 ppm – < 3 min; |
| Low Battery | 2.6 ± 0.1 V |
| Silence Time | Approx. 10 min |
| Operating Temperature | -10°C to 40°C |
| Operating Humidity | 15-95% RH, non-condensing |
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