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Ammonia Sensor | GG-NH3-2%
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Ammonia Sensor | GG-NH3-2%

Order Number: GG-NH3-2%
High Range Ammonia sensor designed for catastrophic leak detection and electrical shutdown in compressor rooms.

Lead Time: 1 day

  • Now includes a 2 year warranty on sensing element and transmitter.
  • High-range ammonia sensor, (0-2%(0-20,000ppm) NH3), 0-1% range also available.
  • Ammonia selective catalytic-bead sensor technology.
  • Circuit board sealed in potting material to protect sensitive sensor components and copper tracing from corrosion.
  • Designed for installation in ammonia compressor rooms where E-stop or electrical shutdown is desired.
  • Use in same system as GG-NH3 (0-250 ppm NH3) sensor for complete compressor room protection.
  • Weatherproof NEMA 3RX washdown-duty polycarbonate enclosure safe for outdoors and wash-down areas.
  • Part Numbers: GG-NH3-2% & GG-NH3-1%


Size 7.5" high x 6.5" wide x 3.75" deep
Weight 3.0 lbs
Power Requirements 24VDC @ 250mA
Signal Output 4/20mA, 700 Ohm max input impedance
Temperature Range -40F to +120F (-40C to +48.9C)
Detection Catalytic Bead (diffusion method)
Certification ETL listed to UL standard 61010-1, and CSA standard C22.2 No. 61010-1-12
Warranty 2 years sensing element and transmitter
Please review these other products:

GG-NH3-2% Replacement Sensor Element

Order Number: GG-NH3-2%-RS
Replacement sensor for the GG-NH3-2% high range ammonia sensor.

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

Entrance Monitor | EM2

Order Number: EM2
The EM2 Entrance Monitor is used for remote display and/or as a single channel controller for gas detection systems.

Lead Time: 1 day