MEROSS MA151 clever smoke sensor alarm function
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Product description
This device is not just a traditional smoke detector: it monitors three different sources of danger at the same time. In addition to smoke, it also detects intrusion and tampering and sends an immediate notification to the mobile application. The hub belonging to the system strongly amplifies the alarm: while the detector itself emits an 85 dB sound signal, the hub warns with up to 110 dB so that it can be heard throughout the house.
Reliable operation and minimal false alarms
The dual optical sensor ensures that the sensor can distinguish between real danger and harmless phenomena such as steam. The 0.8 mm insect-proof net further reduces the risk of false alarms. Its fast reaction time - only 0.02 seconds with repeated detection - guarantees that you will be warned as soon as possible. It is protected by a durable, fire-resistant, UV- and yellowing-resistant cover, it has a service life of up to 10 years, and the two AA batteries serve reliably for approximately three years.
Technical data
- Functions: smoke detection, intrusion detection, tamper detection
- Sensor: double optical detector
- Alarm sound: ≥ 85 dB on the sensor, 110 dB on the hub
- Response time: ~ 0.02 seconds
- Insect protection: 0.8 mm protective net
- Lifespan: approx. 10 years
- Power supply: 2 × AA batteries (approx. 3 years of operation time)
- Communication: sensor ↔ hub 433 MHz; hub ↔ Wi-Fi 2.4 GHz
- Operating temperature: 0–55 °C
- Relative humidity: ≤ 95% (non-condensing)
- Size: 125 × 125 × 33 mm
- Mute alarm: approx. for 10 minutes
- Low charge warning: approx. 10 hours before discharge
- Compatibility: iOS 13+ and Android 8.0+