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Duo-Sense | GG-CO-NO2
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Duo-Sense | GG-CO-NO2

Order Number: GG-CO-NO2
The Duo-Sense offers both Carbon Monoxide and Nitrogen Dioxide detection in 1 enclosure. Ideal for warehouses, parking garages, loading docks, etc.

Lead Time: 1 week

  • Includes a 2 year warranty on sensing elements and transmitter.
  • Electrochemical carbon monoxide sensor, (0-200 ppm CO).
  • Electrochemical nitrogen dioxide sensor, (0-10 ppm NO2).
  • Environmentally adaptive heated poly enclosure.
  • Target gas specific electrochemical sensor technology.
  • Industry standard linear 4/20 mA output.
  • Circuit board sealed in potting material to protect sensitive sensor components and copper tracing from corrosion.
  • Designed to adapt to any harsh environment from -20°F to +120°F.
  • Weatherproof NEMA 3RX washdown-duty polycarbonate enclosure safe for outdoors and wash-down areas.
  • Part Number: GG-CO-NO2
  • Optional Warehouse Mounting Kit includes: Wall Plate, Safety Cage that allows sensor access, and 36" straps for pillar mounting. Part #: GG-CO-NO2-WH



7.5" high x 6.5" wide x 3.75" deep


3.0 lbs

Power Requirements

24VDC @ 130mA

Signal Output

(2) 4/20mA, 700 Ohm max input impedance

Temperature Range

-20F to +120F (-28C to +49C)


Electrochemical (diffusion method)
Warranty 2 years sensing element and transmitter
Please review these other products:

GG-NO2-B Replacement Cell

Order Number: GG-NO2-B-RC
Replacement electrochemical cell for the GG-NO2-B, GG -NO2, and EC-F2-NO2 sensors.

Lead Time: 1 day

GG-CO Replacement Cell

Order Number: GG-CO-RC
Replacement electrochemical CO cell for the GG CO and EC-F2-CO sensors.

Lead Time: 1 day

Relay Module

Order Number: RM420-LR
Relay Module -  4-20 mA feed-through design maintains signal output function. Relay output with dry contacts, connects to CTI sensor enclosures. 

Lead Time: 1 day