Enotec Comtec 6000 DustEx

COMTEC® 6000 DustEx provides permanent and reliable gas analysis in Ex zones 21/22 with high dust loads. The DustEx probe is robust and designed to withstand the abrasive forces of high dust atmospheres.



The COMTEC® 6000 DustEx is the standard InSitu analyzer system for use in dust explosion zones 21/22

In accordance to the tough demands placed on measuring systems in high dust processes, the DustEx is ATEX*certified to II 2D Ex tD A21 IP6X T133°C/T141°C.

Being able to precisely determine the proportion of oxygen and COe in flue gas is the starting point for the safe and optimized operation of incinerators, as oxygen and COe are dependent to one another within a combustion process. Undesirable developments can thus be identified and rectified earlier, before any damage is caused.

The COMTEC® 6000 DustEx is also available for O2 only measurements.


  • Energy optimization
  • Emission measurements
  • Power generation
  • Waste incineration
  • Combustion control.


  • InSitu measurement in real-time
  • Overview of calibration history
  • ATEX certified for zones 21/22
  • Low-maintenance
  • Self-monitoring
  • Sensor life expectancy on display
  • Gas tight sensor construction.

*Please note ATEX certification is only recognised in Europe. Australia recognises IECEx. For IECEx, a third (certification) party is is required to make the design and manufacturing assessment to issues the IECEx certificate. In practice this means IECEx 02 requires more evidence and assurance from the manufacturer during the quality certification process. ATEX and IECEx both use the same standards (eg EN-IEC 60079-0), so they are technically almost identical.

Download Specifications


Stack, Process & CEMS

Technical Data

Insertion depth of probes 540 mm
960 mm
O2 / COeranges 0 – 25 % O2  
0 to 1000 ppm COe
(others on request)
Sensor accuracy O2 better 0,2% of measured value
Sensor accuracy COe better 5% of range end
Reaction time 0,5 s
(process flow velocity > 10 m/sec.)
Process gas temperature max. 600 °C
Ambient temperature -20 °C to 55 °C (probe)
-20 °C to 70 °C (electronic unit)
IP code IP66 (probe)
IP66 (electronic unit)
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