Posted in | Gas Sensors

CM-1650: Portable CO2 Welding Gas Analyzer

The CM-1650 Portable CO2 Welding Gas Analyzer is engineered to deliver advanced analysis of active welding gas blends containing 0-100% carbon dioxide and establish the primary target for AWS accuracy standards.


  • Create custom selection for individual concentration range
  • Fast and precise CO2 measurements 0-100%
  • Gain unlimited data logging to a Micro SD Card
  • Quality Li-ion rechargeable batteries are included as standard
  • 1-year warranty


  • CM-1650 - CO2 Welding Gas Analyzer
  • CM-1652 - CO2 and O2 Welding Gas Analyzer

American Welding Society


  • Accuracy: @100% Range: ±300 ppm +/- 5% of reading @ STP
  • Battery: (QTY-3) Li-ion rechargeable batteries, 30+ hours per charge
  • CO2 Measurement Range: 0-100%
  • Custom Targets: C5, C20, C30, C35, C40, C45, C50, C55, C60,
  • C65, C70, C75, C80, C85, C90, C95, C100
  • Dimensions: W 8.25” H 1.5” D
  • Measurement Targets: C2, C10, C15, C25 and C50 (custom options available)
  • Operating Temperature: 0 °C-50 °C (32 °F-122 °F) to 95% RH, non-condensing
  • Resolution: 0.1%
  • Sample Method: Flow through
  • Sensor Life Expectancy: > 15 years
  • Weight: .67 lbs. (+305 g)

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