Crowcon Xgard Bright Crowcon
The Crowcon Xgard Bright Fixed Multi-Gas Detector is a versatile detector offering flammable and toxic gas detection and oxygen monitoring, while providing ease of operation and reduced installation costs.
Choose from durable sensor options to suit your needs, such as MPS (10+ years), Long-life O2 (5 years) and IR sensors (10+ years) to prevent frequent sensor replacements and minimise operational expenses.
Lowering the cost of installation, the 4-wire addressable implementation drastically reduces cabling requirements. The large OLED display allows users to easily work with Xgard Bright during installation, calibration and routine maintenance without the need to open the housing.
Providing analogue 4-20mA and RS-485 Modbus signals as standard, Xgard Bright comes with an Alarm and Fault relay as standard as well as optional HART communications.
| Size | 156 x 166 x 109mm (6.1 x 6.5 x 4.3inch) |
| Cable Entry | 2x M20 (stopping plug fitted to left-side entry) |
| Power | 10-30Vdc. 3W max |
| Electrical Output | 4-20mA current sink or source RS-485 Modbus RTU HART (Optional) |
| Weight | Aluminium alloy 1kg (2.2lbs) |
| Enclosure Material | ADC 12 aluminium alloy |
| Relay | Alarm 1, Alarm 2, Fault
SPST contacts rated 1A 30Vdc |
| Sounder Out | 24Vdc (nominally), 250mA maximum load |
| Operating Temperature | -40°C to +70°C (-40°F to 158°F)
Note: sensor operating temperatures vary widely. Refer to the sensor module datasheet or contact Crowcon for specific sensor data. |
| Humidity | 0 to 95% RH, non-condensing |
| Repeatability | +/- 2% FSD |
| Zero drift | +/- 2% FSD per year maximum |
| Ingress protection | IP65 (IP66 with weatherproof cap) |
| Approvals | ATEX and IECExEx II 2 G Ex db IIC T6 Gb
Ex tb IIIC T80ᶜ Db II 2 G Ex db IIC T6 Gb II 2 D Ex tb IIIC T80ᶜ Db Certificate numbers: TUV 16 ATEX 7908 X IECEx TUR16.0035 X |
| EMC Compliance | EN50270: 2015 |
| Standards | EN60079-0 :2012 + A11:2013 EN60079-1 :2014 IEC60079-0 :2011 Edition 6 IEC60079-1 :2014 Edition 7 |
| Zones | Certified for use in Zone 1 and Zone 2 areas |
| Gas | Units | Max Range |
Standard Range |
Alarm 1 level |
Alarm 2 level |
Temp range °C |
| MPS Flam | %LEL | 100 | 100 | 20 | 40 | -40 to +75 |
| Oxygen (O2) | %Vol | 30 | 25 | 19 (falling) | 17 (falling) | -20 to +50 |
| Carbon Monoxide (CO) | PPM | 1000 | 250 | 30 | 200 | -30 to +50 |
| Hydrogen Sulphide (H2S) | PPM | 100/200 | 25 | 5 | 10 | -30 to +50 |
| Hydrogen (H2) | %LEL | 100 | 100 | 20 | 40 | -40 to +75 |
| Methane (CH4) | %LEL | 100 | 100 | 20 | 40 | -40 to +75 |
| Pentane (C5H12) | %LEL | 100 | 100 | 20 | 40 | -40 to +75 |
| LPG | %LEL | 100 | 100 | 20 | 40 | -40 to +75 |
| Carbon Dioxide (CO2) | %VOL | 0-5% | 0-5% | 0-2% | 0-3% | -20 to +50 |
| PID (VOC) – Safe Area | PPM | 1000 | 1000 | 30 | 50 | -20 to +50 |
| Infra Red Methane (CH4) | %LEL | 100 | 100 | 20 | 40 | -40 to +75 |
| Infra Red Propane (C3H8) | %LEL | 100 | 100 | 20 | 40 | -40 to +75 |
| Ammonia (NH3) – Safe Area | PPM | 100 | 50 | 25 | 25 | -20 to +40 |
| Chlorine (CL2) – Safe Area | PPM | 10 | 5 | 1 | 3 | -20 to +40 |
| Ozone (O3) – Safe Area | PPM | 1 | 1 | 0.1 | 0.2 | -20 to +40 |
| Sulphur Dioxide (SO2) – Safe Area | PPM | 100 | 10 | 1 | 1 | -30 to +50 |
| Infra Red Butane (C4H10) | %LEL | 100 | 100 | 20 | 40 | -40 to +75 |
| Infra Red Pentane (C5H12) | %LEL | 100 | 100 | 20 | 40 | -40 to +75 |
| Infra Red LPG | %LEL | 100 | 100 | 20 | 40 | -20 to +55 |
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