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    Home Carbon Monoxide Detector

    SISCO home carbon monoxide detector uses a high-sensitivity electrochemical sensor specifically designed to detect the concentration of carbon monoxide (CO) in the air. It provides real-time detection of carbon monoxide concentrations in the environment from 0~999 ppm, with four warning levels based on concentration values. It offers rapid response and continuous, real-time monitoring of environmental safety, ensuring early detection of hazardous gas leaks. Its compact design and easy one-button operation make it a reliable and long-lasting safety companion.
    SKU: SISCO-SMOKE-S03
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    $69.69
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    Free shipping
    30-day returns
    Delivery: 7-12 days
    Overview


    The carbon monoxide monitors for home use are safety monitoring devices suitable for home use. Convenient wall-mounted installation and system self-testing ensure continuous and stable safety protection.

    Real time carbon monoxide monitoring


    Real-Time Carbon Monoxide Monitoring

    • The Carbon monoxide detector monitors CO concentrations from 0 to 999 ppm with ±10% accuracy, helping families identify potential indoor hazards.
    • Green, yellow, and red lights indicate different safety statuses, allowing users to quickly recognize normal, warning, and alarm conditions.
    • The home CO detector features a default alarm threshold of 49 ppm to alert users when the preset level is reached.
    • The indoor monitor displays real-time temperature and humidity, helping homeowners understand their indoor environment.
    Carbon monoxide detector three color with indicator lights

    Convenient Home Safety Monitoring

    • Designed for residential use, the detector helps monitor indoor CO levels in living areas and near fuel-burning appliances.
    • The digital CO detector clearly displays CO concentration, temperature, humidity, and operating information for easy reading.
    • The adjustable display brightness provides comfortable viewing in different indoor lighting conditions, including bedrooms and living rooms.
    • The plug-in CO detector features a replaceable plug for convenient installation with compatible outlet types.

     

     

    Applications

    In underground mines, residual carbon monoxide after blasting can be monitored to prevent poisoning and explosion risks; in chemical workshops, carbon monoxide leaks can be detected in real time to ensure production safety; in underground garages and tunnels, CO concentrations from vehicle exhaust can be monitored to prevent poisoning; and during fire rescue operations, it can be used for detection at fire scenes and in confined spaces to protect the safety of rescue personnel.

    Carbon monoxide detector fire and rescue

    Fire and Rescue

    Carbon monoxide detector mining underground

    Mining Underground

    Carbon monoxide detector underground parking garage

    Parking Garage

    Carbon monoxide detector chemical workshop

    Chemical Workshop

    Specs
    Model SISCO-SMOKE-S03
    Carbon Monoxide (CO) Measurement Range 0–999 ppm (±10%)
    CO Alarm Range 49 ppm (Initial Default Value)
    Humidity Measurement Range 0–95% RH (±5%), Non-Condensing
    Combustible Gas Concentration Gas Level 1–3 (Lv3: ≥15% LEL)
    Combustible Gas Alarm Threshold Lv2 (≥5% LEL)
    Smoke Alarm Threshold ≥0.15 dB/m
    Input Power 100–240V AC, 50/60Hz
    Housing Material Flame-Retardant ABS Plastic
    Operating Temperature -10°C to 50°C / 14°F to 122°F
    Alarm Yes
    Dimensions 125.5 × 60.5 × 36.3 mm

     

    Structure Diagram

    Home carbon monoxide detector dimension

     

     

    FAQs

    Q1: Where should a carbon monoxide detector be installed?
    A1: It is recommended to install one near each bedroom and on each floor of the house. The best location is on a wall or ceiling, 1.5-2 meters above the ground, away from doors, windows, fans, or HVAC vents.

    Q2: Do I need a carbon monoxide detector if I already have a smoke alarm?
    A2: Yes, you must. Smoke alarms cannot detect colorless and odorless carbon monoxide gas. They have different functions, but are both essential for home safety and are indispensable. There are also combination detectors on the market that combine the functions of both.

    Q3: What should I do if the detector alarms?
    A3: Immediately evacuate to a place with fresh air outdoors, turn off the gas supply (e.g., close the gas valve), do not touch any electrical switches, and call emergency services or the gas company for help. Return only after a professional has checked and confirmed it is safe.

    Tips: How can I confirm that the home carbon monoxide detector is working properly?

    It is recommended to periodically press the "Test" button on the device. If the buzzer sounds and the indicator light flashes, it means that the circuit and alarm functions are normal.

    Warranty

    Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.


    What is covered?

    SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.


    What is not covered?

    • Product purchased from anyone other than a SISCO store or a SISCO authorized reseller.
    • Expendable parts.
    • Routine cleaning or normal cosmetic and mechanical wear.
    • Damage from misuse, abuse or neglect.
    • Damage from use of parts other than SISCO approved.
    • Damage from use outside the product’s usage or storage parameters.
    • Damage from use of parts not sold by SISCO.
    • Damage from modification or incorporation into other products.
    • Damage from repair or replacement of warranted parts by a service provider other than a SISCO authorized service provider.
    • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
    5.0 1
    Write your own review Close
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    Jerome | 3/29/2026 7:16 PM
    A Silent Guardian for Open Kitchens
    This home detector plugs directly into a living room outlet, saving space. It has a small screen displaying real-time concentration. After almost a month of use, it's mostly been at 0, which is reassuring. Once, I forgot about the time while making soup, and the water boiled dry and started smoking. It actually triggered an alarm, quite loudly, that the whole family heard. Although it was a minor mishap, it proved that it's indeed working diligently.