Enotec Ensitu 7000

ENSITU® 7000, a cost-effective O2 transmitter probe

Enotec’s ENSITU® 7000 O2 transmitter probe is ideal for process control for small to medium sized boilers that uses fuels such as gas, oil and coal.

Versatile and robust, the ENSITU® 7000 is able to withstand high flue gas temperatures up to 600°C and high dust loads, and deliver fast and continuous measurement.

The ENSITU® 7000 needs no calibration or instrument air supply. ENSITU® 7000 measures in situ: diffusion takes place through the large filter with v-shield. Flue gas extraction and conditioning is not necessary.

Installation is quick and simple using an industry standard flange. Available in 3 lengths, the ENSITU® 7000 is designed for easy integration in existing boiler concepts.


  • Boilers using any fuel
  • Biomass plants
  • Furnaces
  • High dust loads.


  • Plug & Play operation
  • Innovative operating concept
  • Ready for immediate use
  • Easy integration into existing boiler concepts
  • Electronics can be separated from the probe by a robust industrial connector.

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Stack, Process & CEMS

Technical Data

Measuring principle Zirconium dioxide, InSitu
Probe insertion depth 313 mm, 536 mm, 996 mm
Reaction time approx. 0,5 seconds
Accuracy ± 0,2 % O2
Probe material 1.4571 (316 Ti)
Process gas pressure max. 600 °C
Flange connection corresponds to DN65 PN6
Power supply voltage 48 VDC, 5A max.
Ambient temperature -40 °C … +70 °C
IP Code IP 66 / NEMA 4X
Interfaces 4 – 20 mA, ENOTEC REMOTE
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