Crowcon Xgard IR - Fixed Gas Detector
Crowcon Xgard IR is an Infrared type fixed-point gas detector. Using a low power IR cell contained within an Xgard enclosure, this is capable of detecting hydrocarbon gases and vapours, or carbon dioxide (CO2).
It has a 3-wire 4-20mA output and it's an operating temperature of -20 to +55°C.
Certified to ATEX and UL standards.
Type 1 |
Type 2 |
Type 3 |
Type 4 |
Type 5 |
Type 6 |
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Size |
156 x 166 x 111mm (6.1 x 6.5 x 4.3 inches) |
195 x 166 x 111mm (7.6 x 6.5 x 4.3 inches) |
156 x 166 x 111mm (6.1 x 6.5 x 4.3 inches) |
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Weight |
Nylon: 0.5 kgAlloy: 1kg (2.2lbs)316 S/S: 3.1kg (6.8lbs) |
Aluminium: 1kg (2.2lbs)Stainless steel: 3.1kg (6.8lbs) |
1.5 kg (3.3lbs) |
Aluminium: 1kg (2.2lbs) Stainless steel: 3.1kg (6.8lbs) |
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Enclosure material |
ATEX certified: Glass reinforced nylon or 316 S/SUL Certified: Aluminium or 316 S/S |
Aluminium or 316 Stainless Steel |
Aluminium |
Aluminium or 316 Stainless Steel |
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Ingress protection |
IP65 |
IP54 |
IP65 |
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Cable entries |
1 x M20, 1/2 “NPT or 3/4 NPT* on right-side |
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Terminations |
0.5 to 2.5mm2 |
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Sensor type |
Electrochemical |
Catalytic bead |
316 S/S sensor housing with catalytic beads |
Catalytic bead |
Thermal conductivity |
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Operating temperature |
-40 to +50 °C |
-20 to +50°C (-4 to 122°F) |
-40 to +80°C |
-20 to +150°C (-4 to 302°F) |
-40 to +55°C (-40 to 131°F) |
+10 to +55°C (50 to 301°F) |
Humidity |
10 to 95% RH non-condensing |
0-99% RH non-condensing |
0-90% RH |
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Repeatability Zero drift |
<2% FSD (Typical)<2% FSD per Month (Typical) |
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Response time |
T90 <15s OxygenT90 <30s to 120s Toxic(sensor dependant) |
T90 <15s (Typical) |
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Operating voltage |
8-30V dc |
2.0V dc +/- 0.1V (Typical) |
10-30V dc |
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Power requirements |
24mA maximum |
300mA (Typical) |
50mA at 24V dc 1.2W |
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Electrical output |
2- wire 4-20mA (current sink) |
3- wire mV bridgeTypical signal: 12-15mV/ %LEL CH4 |
3- wire mV bridgeTypical signal: >10mV/%LEL CH4 |
3- wire 4-20mA (current sink or source) |
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Approvals |
ATEX: II 1 G |
ATEX: II 2GD |
ATEX: II 2 GD |
ATEX: II 2 GDExd IIC T3 Gb (Tamb -40 to +150°C) |
ATEX: II 2 GDExd IIC T6 Gb (Tamb -40 to +50°C) |
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EMC compliance |
EN 50270 FCC Part 15 ICES- 003 |