Gas & Air Quality  There are 6 products.

Showing 1 - 6 of 6 items
  • New
    $5.95

    The MQ-2 Sensor is highly sensitive to smoke, LPG, propane and hydrogen. This sensor has both analog and digital output and a potentiometer for setting the trigger threshold. The sensor requires an operating voltage between 3 to 5V. The MQ-2 Sensor is highly sensitive to smoke, LPG,...

  • New
    $5.95

    The MQ-4 Sensor is highly sensitive to methane and natural gas and also has a small sensitivity to alcohol and smoke. This sensor has both analog and digital output and a potentiometer for setting the trigger threshold. The sensor requires an operating voltage between 3 to 5V. The MQ-4 Sensor is highly sensitive to methane and...

  • New
    $5.95

    The MQ-5 Gas Sensor is highly sensitive to LPG, natural gas and town gas. This sensor has both analog and digital output and a potentiometer for setting the trigger threshold. The sensor requires an operating voltage between 3 to 5V. The MQ-5 Gas Sensor is highly sensitive to LPG, natural...

  • New
    $5.95

    The MQ-7 Gas Sensor is highly sensitive to carbon monoxide. This sensor has both analog and digital output and a potentiometer for setting the trigger threshold. The sensor requires an operating voltage between 3 to 5V. The MQ-7 Gas Sensor is highly sensitive to carbon...

  • New
    $5.95

    The MQ-135 Gas Sensor is highly sensitive to benzene, alcohol and smoke. This sensor has both analog and digital output and a potentiometer for setting the trigger threshold. The sensor requires an operating voltage between 3 to 5V. The MQ-135 Gas Sensor is highly sensitive to benzene,...

  • New
    $26.95

    The CCS811 Air Quality Breakout is a digital gas sensor solution that senses a wide range of Total Volatile Organic Compounds (TVOCs), including equivalent carbon dioxide (eCO2) and metal oxide (MOX) levels. VOCs are often categorized as pollutants and/or sensory irritants and can come from a variety of sources like construction materials (paint, carpet,... The CCS811 Air Quality Breakout is a digital gas sensor...

Showing 1 - 6 of 6 items