PROTECTOR C11-L Carbon Monoxide Detector Battery-Powered with LCD Display (15022)

Keep your home safe with the PROTECTOR C11-L carbon monoxide detector. This battery-powered alarm continuously monitors CO levels and alerts you with an 85 dB siren and flashing LED when dangerous concentrations are detected. The integrated LCD displays real-time CO readings, so you can see exact levels at a glance. Ideal for bedrooms, living areas, and near fuel-burning appliances, it provides reliable protection without wiring.

Key specifications

• Detector type: Carbon monoxide
• Sensor: Electrochemical
• Alarm volume: 85 dB at 1 m
• Power source: 3x AA 1.5 V batteries
• Battery life: Up to 3 years
• Sensor lifespan: 7 years
• Display: LCD with CO concentration
• Alarm thresholds: 50 ppm (60–90 min), 100 ppm (10–40 min), 300 ppm (within 3 min)
• Operating temperature: 0 °C to 45 °C
• Operating humidity: 0–90 % RH non-condensing
• Mounting: Wall-mounted (screws and dowels included)
• Certifications: EN 50291-1:2010, EN 50291-2:2010

Why choose it

The C11-L combines precise electrochemical sensing with a clear digital readout, so you always know the CO level. Its loud 85 dB alarm and bright LED ensure you are alerted even from another room. The long-life sensor and replaceable batteries make maintenance simple, while the end-of-life warning tells you when to replace the unit.

Ideal use cases

• Homes with gas boilers, fireplaces, or wood stoves
• Bedrooms and hallways for overnight protection
• Garages or workshops where engines may run
• Rental properties requiring certified CO detection

Good to know

The detector includes a test/reset button for regular function checks and a low-battery warning. It is wall-mounted with included screws and dowels. The device meets EN 50291 standards for residential CO detection.