The infrared based CDU440 Carbon Dioxide Monitor provides continuous auto-ranging detection of potentially dangerous carbon dioxide from levels as low as 10 ppm to up to 6% of volume (60,000 ppm).
The CDU440 is ideal for use in personal monitoring and processing applications in breweries, bottling plants, food processing plants and in the mining industry. This unit features one-button operation and calibration, peak/hold memory, an internal sampling pump, optional datalogging and interchangeable Ni-Cad, Lithium or Alkaline