Posted in | Gas Sensors

CM-1652: CO2 Welding Gas Analyzer

The CM-1652 Carbon Dioxide and Oxygen Welding Gas Analyzer offers customers sophisticated analysis of active welding gas blends containing 0-50% carbon dioxide and 0-25% oxygen. This device verifies the most common gas mixtures in the industry and establishes the primary targets that align with AWS verification standards.


  • Easy to use, on-the-go dual CO2 and O2 analysis
  • Gain unlimited data logging to a Micro SD Card for quality assurance
  • This is the only device to meet AWS requirements to ensure that a gas is in spec
  • User configurable selection for individual concentration range
  • 1-year warranty


  • CM-1650 - Carbon Dioxide Welding Gas Analyzer
  • CM-1652 - Oxygen and Carbon Dioxide Welding Gas Analyzer


  • Accuracy: @100% Range: ±300 ppm +/- 5% of reading @ STP
  • CO2 Accuracy: @ 100% Range ±300 ppm +/-5% of reading @ STP
  • O2 Accuracy: Better than 2% at full scale
  • Battery: (QTY-3) Li-ion rechargeable batteries, 30+ hours per charge
  • CO2 Measurement Range: 0-50%
  • O2 Measurement Range: 0-25%
  • Measurement Targets: C2, C5, C10, C15, C20, C25, C30, C35, C40, C45, C50, O2
  • Sample Method: Flow through
  • Operating Temperature: 0 °C-50 °C (32 °F-122 °F) to 95% RH, non-condensing
  • Resolution: 0.1%
  • Dimensions: W 8.25” H 1.5” D
  • Weight: .67 lbs. (+305g)
  • Sensor Life Expectancy: CO2: >15 years and O2: 5 years

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