Trusted Manufacturer of industrial gas detection products | Made in USA
Ammonia Vent Line Sensor | GG-VL2-NH3
Roll over image to zoom in | Click to open expanded view

Ammonia Vent Line Sensor | GG-VL2-NH3

Order Number: GG-VL2-NH3
The GG-VL2 uses a catalytic bead sensor to prevent false alarms experienced with older vent line models. The updated housing allows for easy sensor replacement and calibration.

Lead Time: 1 day

  • Includes a 2 year warranty on sensing element and transmitter.
  • Catalytic Bead sensor, range: (0-1%(10,000ppm) NH3).
  • Includes mounting kit.
  • Continuous monitoring of refrigeration system relief valves.
  • Designed for harsh environments (-40F to +140F)
  • Industry standard linear 4/20 mA output.
  • Circuit board sealed in potting material to protect sensitive sensor components and copper tracing from corrosion.
  • Innovative sensor housing allows for simple & low cost sensor replacement.
  • 316 Stainless steel 18 gauge enclosure, with easy sensor replacement and calibration.
  • Part Number (specify gas): GG-VL2-NH3.


Size 4.8" high x 4.72" wide x 3.35" deep
Weight 5.0 lbs (includes mounting kit)
Power Requirements 24VDC @ 80mA
Signal Output 4/20mA, 700 Ohm max input impedance
Temperature Range -40F to +140F (-40C to +60C)
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:

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

GG-VL2-NH3 Replacement Sensor Element

Order Number: GG-VL2-NH3-RS
Replacement catalytic bead sensor for the GG-VL2-NH3 detector.

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