Infrared Temperature Measurement | Combustion & Environmental Monitoring

Model 4200+ Non-Compliance Opacity and Dust Monitor

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Model 4200+ Dust and Opacity Monitor

Combining the unique features of three patented technologies, the 4200+ achieves the highest possible specification for the fundamental performance parameters for an opacity monitor, with no moving parts.

The Model 4200+ is a compact smoke, dust and particulate monitor for measuring dust emission concentrations on industrial processes and non-compliance applications. This dust monitor is ideally suited to multiprocess plants with common exhaust stacks.

Typical Installation- Schematic

Key Features

  • Lifetime warranty on LED light source - No need to replace the light source
  • No continuously moving parts - Highest reliability
  • Patented all-glass multi-prism retroreflector - Lowest possible drift
  • Patented flood LED - Maximum thermal stability
  • Wide operating temperature range - Operation -40 ºC to 55 ºC (-40 ºF to 131 ºF) is standard
  • Green LED light source - Matches sensitivity of the human eye for comparison with Ringelmann measurements