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GasLab Plus Carbon Monoxide Gas Detector

GasLab Plus Carbon Monoxide Gas Detector
Regular price $299.00 USD

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The CM-503 is a Carbon Monoxide (CO) Personal Handheld Gas Detector designed to measure carbon monoxide concentrations, relative humidity and temperature in a variety of applications.

    With long-term data storage, the user can measure ambient gas levels by data displayed and gain indication by visual and audible alarm settings.


    • EC technology to measure CO concentrations
    • Large LCD display for easy readability of CO, RH% and Temp
    • Audible Alarm
    • Data Logging with SD Card
    • Multiple Connected Units by RS485 interface
    • LCD Back light for easy readability by dark
    • Li-ion rechargeable batteries


      • Measures: CO (Carbon Monoxide), RH%, and Temp
      • Sensing method: Diffusion 
      • CO Measurement range: 0~1,000 ppm
      • CO Accuracy: ±5%~±10%
      • Power Supply: Rechargeable Battery - Li-ion 18650 3.7V 
      • Battery Life: tested to 24+ hours
      • Weight: 305g (without batteries)


      • CO Gas Detector
      • Manual
      • USB Charger
      • SD Card (16g), Data Logging Capability


      • 1 Year

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      "Swift response and shipment. The product is easy to setup and use. It is just what I was looking for."

      - Shima Tomohiro

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