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Sensors for Explosive Atmospheres


In addition to NAMUR intrinsically safe sensors, we also offer 3-wire sensors for gas Zone 2 and dust Zone 22.




Sensors: Zone 0 gases and Zone 20 dust

  • II 1 G EEx ia IIC T4 / II 1 D T 115 °C IP67
  • SIL 2 safety level according to IEC 61508 standard
  • Cable, M12 connector, or junction box models
  • Various enclosure designs
  • NAMUR output requires a galvanic isolator for a safe zone, e.g., IMX series

Sensors: Zone 1 gases

  • II 2 G EEx ia IIC T6
  • SIL 2 safety level according to IEC 61508 standard
  • Cable, M12 connector, or junction box models
  • Various enclosure designs
  • NAMUR output requires a galvanic isolator for a safe zone, e.g., IMX series

Sensors: Zone 2 gases and Zone 22 dust

  • II 3 G EEx nA II T4X “non-sparking” according to EN50021 and II 3 D IP68 / IP69K T 110°C according to EN50281-1-1
  • Uprox+ detects all metals at the same distance
  • Protection class IP68/IP69K
  • Material stainless steel
  • M12 connector or cable
  • PNP output, no separate galvanic isolator required
  • Sensors for mining applications
  • I M 1 EEx ia I according to EN50020 standard
  • With cable or junction box
  • Various enclosure designs
  • NAMUR output requires a galvanic isolator, e.g., IMX series

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