Enotec Oxitec 5000 GasEx

The OXITEC® 5000 GasEx measures O2 InSitu in gas explosion zones 1/2 for safe and exact process control.


The OXITEC® 5000 GasEx is a robust oxygen analyzer which combines the reliability and quality of OXITEC® analyzers with the stringent standards necessary for EX protection for maximum plant safety.
ENOTEC certifies its analyzers under process-similar conditions to ensure reliable and safe process control in gas hazardous zones 1/2.

The ATEX certifications for ENOTEC products is valid for systems with process temperatures of up to 1400 °C.

Probe: ll 2G Ex d IIC T3 Gb

Electronic unit: II 2G Ex d IIC T6 Gb

For ATEX certified systems for measurement in dust Ex environments, we recommend COMTEC® 6000 DustEx (O2 measurement only or O2/COe measurement)


  • Refineries
  • Gas production plants
  • Petrochemical plants
  • Gas by-product/Mixed gas furnaces
  • EX hazardous areas 1/2


  • High accuracy
  • Overview of calibration history
  • Sensor life expectancy on display
  • Gas tight sensor construction
  • Self-monitoring
  • Unrivaled long service life

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Stack, Process & CEMS

Technical Data

Insertion depth of probe 464 mm
924 mm
O2 measuring ranges 2 x 0 – 25 % O2
(others on request)
Measurement accuracy ± 0.2 % of measured value
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 55 °C (probe)
-20 °C to 55 °C (electronic unit)
IP code IP66 (probe)
IP66 (electronic unit)
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