The JKD-512COM is a combined smoke and carbon monoxide detector 1.2.3 . It is designed to detect both smoke particles from fires and the presence of toxic CO gas, commonly known as the "silent killer." Its primary advantage is its smart connectivity, allowing users to receive alerts directly on their smartphone via a dedicated app, providing peace of mind even when away from home. 2. Key Features & Specifications
Indicates the 9V backup battery is drained, missing, or improperly connected. 3. Step-by-Step Installation Guide jkd-512com user manual
Indicates current levels of carbon monoxide in parts per million. The JKD-512COM is a combined smoke and carbon
The unit is operated solely via a TEST/RESET button. A short press allows the user to manually check the sensor's functionality and the current environmental conditions, which will be displayed on the LCD. Key Features & Specifications Indicates the 9V backup
The JKD-512COM is equipped with a memory function that stores the peak carbon monoxide and smoke levels recorded during an alarm event. To access this valuable information:
Carbon Monoxide (CO) and combustible gases (such as Liquefied Petroleum Gas/LPG, natural gas, methane, propane). Alarm Concentration: CO: 50ppm–300ppm (based on exposure duration). Combustible Gas: 1%–10% LEL (Lower Explosive Limit). Voice Prompt: Human voice alerts paired with a local siren. Alarm Decibel: ≥is greater than or equal to 85dB at a distance of 3 meters. Operating Temperature: 0°C to 50°C (32°F to 122°F). Relative Humidity: 10% to 95% R.H. 2. Display Indicators and Alarm Meanings