Portable Indoor Air Quality CO₂ Features

• Checks for Carbon Dioxide (CO₂) concentrations
• Calculates statistical weighted averages of TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit)
• Maintenance free NDIR (non-dispersive infrared) CO₂ sensor
• Measurement ranges:
  • CO₂: 0 to 5000ppm
  • Temperature: -14 to 140°F (-10 to 60°C)
  • Humidity: 0.0 to 99.9%