Enotec Comtec 6000 GasEx

The COMTEC® 6000 GasEx is an Ex protected analyzer for safe measurement of oxygen and combustibles in gas hazardous environments (gas explosion zones 1 and 2).


The explosion protected gas analyzer COMTEC® 6000 GasEx reacts immediately to process gas changes and is ideal for safe and exact measurements of oxygen and COe in refineries or similar areas with explosion hazards (Gas Ex zones 1 / 2).

The COMTEC® 6000 GasEx fast flue gas analyzers are ATEX (II 2G Ex d IIC T3/T6 Gb) certified by a German test institute whereby the certifications encompasses the complete analyzer, including parts in contact with process gas. This certification builds trust in plant security. This is coupled with ENOTEC’s compelling product quality, which is continually able to withstand the challenge of aggressive process conditions.


  • Refineries
  • Ex hazard installations
  • Petrochemical plants
  • Gas by-product/Mixed gas furnaces
  • Natural gas liquefaction plants.


  • InSitu measurement in real-time
  • Overview of calibration history
  • ATEX certification
  • Low-maintenance design
  • Self-monitoring
  • Sensor life expectancy on display
  • Gas tight sensor construction.

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Stack, Process & CEMS

Technical Data

Insertion depth of probe 430 mm
890 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 up to 500 °C
up to 1400 °C
(with cooling protection tube)
Ambient temperature -20 °C to 80 °C (probe)
-20 °C to 55 °C (electronic unit)
IP code IP66 (probe)
IP66 (electronic unit)
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