OI-6975 Explosion Proof Ambient Air Gas Sensor Assembly

The GEN II OI-6975 ambient air gas sensor assembly is part of the new generation of gas sensor assemblies from Otis Instruments. The OI-6975 is powered by +12-35 Volts DC, and uses an electro-chemical sensor element to detect a variety of gases.

The device comes standard with a 128 x 64 graphical LCD screen, three-button interface, non-intrusive magnetic switches, and new Otis-blue custom explosion-proof enclosure.


Sensor Type: Electro-Chemical

Power Input: +12-35 Volts DC

Power Output: 4-20 mA


  • Graphical LCD, sunlight readable
  • 128 x 64 resolution


  • 3 push buttons (MENU, ADD, SUB)
  • 3 corresponding magnetic, non-intrusive switches
  • Non-intrusive calibration

Enclosure: Otis-Blue explosion/flame-proof


  • Hardware: One year (limited)
  • Sensor: One year (varies w/ sensor type)

OI-6975 Data Sheet

OI-6975 Operation Manual


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