Crowcon Xgard Type 2 Fixed Gas Detector

Code: XG2
  • Versatile
  • Oxygen or toxic Gas
  • Zones 1 or 2, Div 1 or 2

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The Crowcon Xgard Type 2 is an Exd Flameproof toxic and oxygen gas detector using an electrochemical sensor within an Xgard enclosure, which also contains the amplifier/transmitter to provide a two-wire 4 to 20mA sink output.

Suitable for use with a range of cable glands; M20 or 1/2″ NPT or 3/4″ NPT. There is a choice of housing; durable aluminium with a tough polyester coating or 316 stainless steel for maximum corrosion resistance. All versions are suitable for deployment in harsh environments, such as offshore or in heavy industry- corrosion resistant.

Units can be installed on walls or ceilings, with three junction box choices—replacement sensors plugin.  Accessories are available for duct mounting, sampling applications and remote gassing – simple sensor checking.  In wash down areas or marine applications, splash guards and weatherproof caps are available.


  • Simple install and maintenance, common spares for all Xgard types, minimise inventory
  • Validated to IEC 61508 (SIL 1 to SIL 3)
  • Ingress protection IP65
  • Operating temperature -20 to +50°C (range varies for some sensor types)
  • Response time T90 <15s Oxygen. T90 <30s to 120s Toxic
  • Global approvals ATEX/ IECEx UL, INMETRO & GOST-R
  • Size 156 x 166 x 111 mm (6.1 x 6.5 x 4.3 inches)
  • Weight Aluminium 1kg & Stainless Steel 3.1kg

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Title Size
Xgard-Datasheet 249 KB
Xgard Manual 1 MB
Xgard-Data-Sheet_es_ES 1 MB
Xgard-Data-Sheet_pt_BR 1 MB

Additional information

Weight 0.09 kg


Xgard Type 2 Spare Sensor Modules

S011572/S           0-50ppm  carbon monoxide

S011574/S           0-100ppm  carbon monoxide

S011576/S           0-150ppm  carbon monoxide

S011578/S           0-200ppm  carbon monoxide

S011259/S           0-250ppm  carbon monoxide

S011580/S           0-300ppm  carbon monoxide

S011582/S           0-500ppm  carbon monoxide

S011584/S           0-1000ppm  carbon monoxide

S011604/S           0-2ppm  hydrogen sulphide

S011606/S           0-5ppm  hydrogen sulphide

S011608/S           0-10ppm  hydrogen sulphide

S011610/S           0-20ppm  hydrogen sulphide

S011257/S           0-25ppm  hydrogen sulphide

S011612/S           0-30ppm  hydrogen sulphide

S011614/S           0-50ppm  hydrogen sulphide

S011616/S           0-100ppm  hydrogen sulphide

S011618/S           0-200ppm  hydrogen sulphide

S011265/S           0-25% vol.oxygen

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