Alphasense 500ppm Carbon Monoxide Smart Sensor

Alphasense 500ppm Carbon Monoxide Smart Sensor
Regular price $229.00

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The Alphasense Carbon Monoxide sensor is designed to provide engineers, scientists and students an accurate and reliable way to measure up to 500ppm CO by volume. The circuit board's microprocessor provides zero and span calibration as well as barometric pressure, temperature and % relative humidity sensors. Features on-board memory to log data when used in a remote device.


  • Electrochemical Sensor Measures up to 25% Oxygen
  • Circuit Board includes Barometric Pressure, Temperature and % Relative Humidity Sensors
  • Circuit Board adds RS485 Industry-standard Interface
  • Easy Integration; Compact & Low Power


    CM-31911 Development KitEasy to use, simply plug the MX Board into your PC via USB. Use our free GasLab® software to measure and graph carbon dioxide, barometric pressure, temperature, and % relative humidity. Includes on-board memory for data logging.

    CM-31910 Circuit BoardSame functionality as the development kit without USB cable or software.

    AP-0005 Sensor Onlyfor integration into high-volume OEM products.


    • Measurement Range: 0-400ppm carbon monoxide
    • Output: 55-90 nA/ppm in 400ppm CO
    • Response Time: < 25 sec. t90 (s) from zero to 400ppm
    • Zero current: -5 to +4ppm equivalent in zero air
    • Resolution: < 0.5 RMS noice (ppm equivalent)
    • Linearity: +15 to +25ppm error rate at full scale from 0-1,000ppm
    • Zero drift: < 0.2ppm per year
    • Sensitivity drift: < 8% change / year
    • Operating life: > 24 months unti 80% original signal
    • Digital Output: RS485
    • Analog Output: Available

    PCB Onboard Functionality

    • Temperature sensor
    • %RH sensor
    • Barometric sensor
    • 64K memory for time-stamped data logging of all measurements  


    • Dimensions (sensor): 16.5mm x 20.2mm
    • Dimensions (sensor + PCB): 40mm X 25mm x 29mm (LxWxH)
    • Power Input: 3.3-5.5 VDC
    • Current Consumption: 10ma peak, < 3mW average


    • 90 days

    Free Easy-to-use GasLab® Software

    This device uses GasLab® software for setup, calibration, data logging, and real-time data analysis. GasLab® makes it easy to export data into a .CSV file that can be imported into any industry-standard software or spreadsheet. GasLab® runs on Windows XP or higher, and free to use with our products.

    Download Latest Software Here

    System Requirements

    • Windows XP SP2 or newer
    • Microsoft .Net 3.5 Runtime Libraries

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    - L.R.
    US Navy

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