• Easy to service, high sensitivity, stability and accuracy
  • Easy zero-point checking, even when visibility is poor
  • A special sample flow concept entirely eliminates the danger of flow cell contamination
  • Easy calibration check with checking rod, even at high dust levels
  • Continuous monitoring of visibility using scattered light principle
  • Dual-beam method
  • Operation via local control unit or central multi-channel control unit
  • Installation in tunnel tube or niche
  • Optional sample heater: Choice of measurement with/without fog compensation