Crowcon Xgard Bright Fixed Gas Detector

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Description

The Crowcon Xgard Bright is a fixed detector for flammable and toxic gas detection and oxygen monitoring. The Crowcon Xgard Bright is designed to provide ease of operation and reduced installation costs. The Xgard Bright provides analogue 4-20mA and RS-485 Modbus signals as standard, comes with an Alarm and Fault relay as standard as well as optional HART communications.

Using the Crowcon Xgard Bright lowers the cost of installation, and the 4-wire addressable implementation drastically reduces the cabling requirements. The large OLED display allows users to easily work with Xgard Bright during install, calibration and routine maintenance without the need to open the housing.

The Crowncon Xgard Bright is available with MPS (Molecular Property Spectomete) technology, and is suited for a wide range of gases and sensor types.

Range of flammable gases MPS 0-100% LEL
Hydrogen sulphide (H2S) Electrochemical 10, 20, 25, 50, 100, 200 ppm
Oxygen (O2) Oxygen 0-25% vol
Carbon Monoxide (CO) Electrochemica 0-25, 50, 100, 200, 250, 300, 1000, 2000 ppm
Methane (CH4) Pellistor 0-100% LEL
Pentane (C5H12) Pellistor 0-100% LEL
Hydrogen (H2) Pellistor 0-100% LEL
LPG Pellistor 0-100% LEL
Carbon Dioxide (CO2) Infra-Red 0-5% vol
VOC* PID 0-1000 PPM
Methane (CH4) Infra-Red 0-100% LEL
Propane (C3H8) Infra-Red 0-100% LEL
Ammonia (NH3)* Electrochemical 0-50, 100 ppm
Chlorine (CL2)* Electrochemical 0-5, 10 ppm
Ozone (O3)* Electrochemical 0-1 ppm
Sulpur dioxide (SO2)* Electrochemical 0-10 ppm
Butane (C4H10) Infra-Red 0-100% LEL
Pentane (C5H12) Infra-Red 0-100% LEL
LPG Infra-Red 0-100% LEL
Hydrogen Cyanide (HCN)* Electrochemical 0-25 ppm
Hydrogen Peroxide (H2O2)* Electrochemical 0-5 ppm

* Safe Area Only

Additional information

Enclosure

ADC 12 aluminum alloy

Dimensions

156 x 166 x 109mm (6.1 x 6.5 x 4.3inch)

Weight

Aluminum alloy 1kg (2.2lbs)

IP Rating

IP65, IP66 (with weatherproof cap)

Cable Entry

2x M20 (stopping plug fitted to left-side entry) or supplied with ½” NPT adapters

Power

10-30Vdc. 3W max

Electrical Output

4-20mA current sink or source, HART (optional), RS-485 Modbus RTU

Relays

Alarm 1, Alarm 2, Fault SPST contacts rated 1A 30Vdc

Sounder out

24Vdc (nominally), 250mA maximum load

Temperature Range

-40°C to +70°C

Relative Humidity

0 to 95% RH, non-condensing

Repeatability

+/- 2% FSD

Zero drift

+/- 2% FSD per year maximum

Approvals

ATEX/IECEx, Ex II 2D Ex tb IIIC T80°C Db, Ex II 2G Ex db IIC T6 Gb

Standards

EN60079-0:2012 + A11:2013, EN60079-1:2014, EN60079-31:2014, IEC60079-0:2017 Edition 7, IEC60079-1:2014-06, IEC60079-31:2013

Zones

Certified for use in Zone 1 and Zone 2 areas

EMC compliance

EN50270:2015

Subtype

Electrochemical, Infrared, Oxygen, Pellistor

Material

Aluminium

Gas Type

Carbon Monoxide 0-1000ppm, Carbon Monoxide 0-100ppm, Carbon Monoxide 0-2000ppm, Carbon Monoxide 0-250ppm, Carbon Monoxide 0-500ppm, Carbon Monoxide 0-50ppm, Hydrogen 0-100%LEL, Hydrogen sulphide (H2S) 0-100ppm, Hydrogen sulphide (H2S) 0-25ppm, Hydrogen sulphide (H2S) 0-50ppm, Hydrogen Sulphide 0-200ppm, Infrared Carbon Dioxide 0-5% VOL, Infrared LPG 0-100% LEL, Infrared Methane 0-100% LEL, Infrared Propane 0-100% LEL, LPG 0-100% LEL, Methane 0-100% LEL, Oxygen 0-25% VOL

HART

HART disabled, HART enabled