FGD14 Series Safe Area Gas Detectors

Ammonia - Mains or DC Powered

With Control Relays

Safe Area Mains/DC Powered Ammonia Detector

Download the FGD14 Series Data Sheet


  • Standard ranges 0-100ppm or 0-1000ppm NH3.
  • Two stage alarm relays.
  • Inbuilt test button.
  • External pushbutton calibration.
  • Inbuilt sensor diagnostics.
  • Red 'alarm' LED.
  • Green 'power on' LED.
  • Internal audible sounder.
  • Plug-in sensor.
  • Remote audible/visual indicator unit.
  • Protection to IP54.
  • Optional PC interface module.
  • Fault indication.
  • Mains and dc powered versions available.


The FGD14 Ammonia gas detector is a stand-alone detector using electrochemical gas sensor technology. It has a front panel display of the gas level and an internal visual and audible alarm. The detector contains 2 control relays that can be activated via user definable alarm set points; the relay contacts can then be used to control external equipment.

Communication with other equipment such as a PC may be acheived by using the inbuilt RS232 communications port. An audible/visual remote unit is also provided with the detector

Models are available for powering from either:-

  • A mains supply of between 85 and 265 volts ac.
  • A DC power supply from 9 to 30 volts.

Warning - These gas detectors must only be used in applications where there is no risk of potentially explosive gases being present or of them being created through industrial processes or other activities within the area concerned.

Weather Guard


An optional weather guard is available for installations exposed to the atmosphere or contaminants and is also suitable for use in other areas where hosing down takes place. The weather guard reduces the possibility of water or other contaminants entering into the gas sensor thereby improving the overall reliability of the gas detector in harsh environments.The weather guard is attached with tamperproof screws to ensure that it is not inadvertently removed.

Order Codes

Stock No. Description
SS813-100 FGD14 Ammonia Gas Detector - Range 0-100ppm NH3 - Mains Powered
SS813-1000 FGD14 Ammonia Gas Detector - Range 0-1000ppm NH3 - Mains Powered
SS813-DC-100 FGD14 Ammonia Gas Detector - Range 0-100ppm NH3 - DC Powered
SS813-DC-1000 FGD14 Ammonia Gas Detector - Range 0-1000ppm NH3 - DC Powered
SS475 Protective Weather Guard

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