Oxygen Detector - Explosion Proof Enclosure Version S3911O2

SKU: S3911O2
Oxygen Detector, O2 Detector 0-25% Vol 4-20mA - Electrochemical Cell - SMART3G-G1 Sensitron Explosion Proof Enclosure with Display Group 1 M2 areas S3911O2

S3911O2 - OXYGEN Detector (O2) 0-25% Vol, 4-20mA - Electrochemical Cell - Explosion Proof Enclosure with Display Version SMART3G-G1 Group 1 M2 areas (Tunnels and Mines)

S3911O2 SMART3G gas detectors are employed to detect Oxygen, O2 Oxygen contents for both it depletion and enrichment (%Vol) in classified areas.

SMART3G-GrI gas detectors are employed to detect the presence of flammable and toxic gases in mines, tunnels and areas classified as Group I.
The SMART3G-GrI line has been designed to offer a wide range of alternatives that grant customers the best solution to their specific requirements.
Also available with front display, SMART3G-GrI-D offers a 4 digits backlit display and 5 mode status LEDs for the gas concentration reading. This series features non-intrusive magnetic calibration for an accurate and easy calibration via Hall-effect switches, without opening the instrument and declassifying the area.
SMART3G-GrI detectors are ATEX certified for Group I.


  • Non-intrusive one man calibration (display version)
  • Easy sensor replacement
  • Wide range of sensors and detectable gases
  • Standard 4-20 mA 3 wires output
  • Wide range of accessories for installation and maintenance
  • Zero tracking and system self diagnosis
  • ATEX certified Group I


- Tunnels and mines

Gas Detector type : Oxygen detector, O2 detector