Description

Crowcon Xgard Type 3

Require Install, Commissioning, Calibration or Servicing?

Safety Gear Store are able to install, commission and service your fixed gas detection system. We offer a professional service from fully trained, certified and manufacturer approved engineers, we are also one of the only suppliers with engineers that carry spares in their vehicles to ensure a quick and efficient service that will enable you to continue using your facility.
For more information on what we offer please visit one of the below pages:

Fixed Gas Detection System Install and Commissioning

Fixed Gas Detection System Calibration and Servicing

Click Here to view all Crowcon Xgard Accessories.

The Xgard range is a comprehensive selection of fixed point gas detectors that meet the diverse requirements for gas detection in industries throughout the world. This includes many water treatment, oil and gas, power, research facility and manufacturing installations.

Overview:

Intrinsically Safe (I.S.) or Flameproof (Exd) versions are available, with case options comprising high-grade alloy, stainless steel or chemically resistant GRN polymer. Certifications include IECEx, ATEX, UL and GOST-R.

Low cost of ownership

Designed for easy installation and maintenance – keeps costs down
Three junction box options – designed to make replacement of sensors and sinters extremely simple. Spare sensors simply plug-in
Many spare parts are common to all Xgard models – keeps spares holding requirements to a minimum

Flexible installation options

Designed for either wall or ceiling mounting – no need for additional brackets
Can accommodate M20, 1/2″ NPT or 3/4″ NPT cable glands – suits all site requirements
High temperature models are available for hot environments (up to 150oc)
Accessories are available for duct mounting and sampling applications as well as remote gassing – simple sensor checking

Wide range of sensors

Poison resistant pellistors, for all flammable detection needs including hydrocarbons, hydrogen, ammonia, jet fuel, leaded petrol and vapours containing halogens
Electrochemical sensors are used to detect a vast range of toxic gases and oxygen
Thermal conductivity sensors are available to monitor % volume concentrations of gases

Rugged and reliable

Manufactured using a choice of three materials: glass reinforced nylon, highly durable aluminium with a tough polyester coating, or 316 stainless steel for ultimate corrosion resistance – designed to operate even in the harshest environments
Spray deflectors and weatherproof caps are available for use in areas subject to regular wash-downs, or offshore environments
All models have been validated to the functional safety standard IEC 61508 (SIL 1 to SIL 3)

Specifications:

	Type 1	Type 2	Type 3	Type 4	Type 5	Type 6
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)
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)
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
Ingress protection	IP65			IP54	IP65
Cable entries	1 x M20, 1/2 “NPT or 3/4 NPT* on right-side
Terminations	0.5 to 2.5mm2
Sensor type	Electrochemical		Catalytic bead	316 S/S sensor housing with catalytic beads	Catalytic bead	Thermal conductivity
Operating temperature	-40 to +50 °C (-40 to 122 °F) (sensor dependant)	-20 to +50°C (-4 to 122°F)	-40 to +80°C (-40 to 176°F)	-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
Repeatability Zero drift	<2% FSD (Typical)<2% FSD per Month (Typical)
Response time	T90 <15s OxygenT90 <30s to 120s Toxic(sensor dependant)		T90 <15s (Typical)
Operating voltage	8-30V dc		2.0V dc +/- 0.1V (Typical)		10-30V dc
Power requirements	24mA maximum		300mA (Typical)		50mA at 24V dc 1.2W
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)
Approvals	ATEX: II 1 G Exia IIC T4 Ga (Tamb -40 to +55°C) UL/cUL: Class I, Div. 1 Groups A, B, C, D IECEx GOST-R	ATEX: II 2GD Exd IIC T6 Gb (Tamb -40 to +50°C) UL: Class I, Div. 1 Groups B, C, D IECEx GOST-R	ATEX: II 2 GD Exd IIC T4 Gb (Tamb -40 to +80°C) Exd IIC T6 Gb (Tamb -40 to +50°C) Ex tb IIIC T180°C Db UL: Class I, Div. 1 Groups B, C, D IECEx GOST-R	ATEX: II 2 GDExd IIC T3 Gb (Tamb -40 to +150°C)	ATEX: II 2 GDExd IIC T6 Gb (Tamb -40 to +50°C) Exd IIC T4 Gb (Tamb -40 to +80°C) Ex tb IIIC T180°C Db UL: Class I, Div. 1 Groups B, C, D IECEx GOST-R
EMC compliance	EN 50270 FCC Part 15 ICES- 003

*3/4 ” cable entry only available on aluminium juntion boxes.

Sensors available are:

Sensor Code	Description
SJ	Ammonia 0-1000ppm NH3 (-20C min)
SG	Ammonia 0-100ppm NH3 (-20C min)
AR	Ammonia 0-100ppm NH3 (-40C min)
SH	Ammonia 0-250ppm NH3 (-20C min)
SI	Ammonia 0-500ppm NH3 (-20C min)
SF	Ammonia 0-50ppm NH3 (-20C min)
AS	Arsine 0-1ppm AsH3
AT	Bromine 0-3ppm Br2
AM	Carbon monoxide 0-1000ppm CO
AI	Carbon monoxide 0-100ppm CO
AN	Carbon monoxide 0-2000ppm CO
AJ	Carbon monoxide 0-200ppm CO
AK	Carbon monoxide 0-250ppm CO

AL	Carbon monoxide 0-500ppm CO
AH	Carbon monoxide 0-50ppm CO
SE	Chlorine 0-100ppm Cl2
SB	Chlorine 0-10ppm Cl2
SC	Chlorine 0-20ppm Cl2
SZ	Chlorine 0-3ppm Cl2
SD	Chlorine 0-50ppm Cl2
SA	Chlorine 0-5ppm Cl2
AX	Chlorine dioxide 0-1ppm ClO2
AY	Diborane 0-1ppm B2H6
TC	Ethylene oxide 0-100ppm C2H4O
TA	Ethylene oxide 0-10ppm C2H4O
TB	Ethylene oxide 0-50ppm C2H4O
TD	Fluorine 0-1ppm F2

AQ	Hydrogen 0-2000ppm H2
AP	Hydrogen 0-200ppm H2
TF	Hydrogen 0-40000ppm (0-100% LEL) H2
SW	Hydrogen chloride 0-10ppm HCl
SX	Hydrogen chloride 0-25ppm HCl

SY	Hydrogen cyanide 0-25ppm HCl
AV	Hydrogen fluoride 0-10ppm HF
AG	Hydrogen sulphide 0-1000ppm H2S
AC	Hydrogen sulphide 0-100ppm H2S
TJ	Hydrogen sulphide 0-10ppm H2S
AD	Hydrogen sulphide 0-200ppm H2S
TK	Hydrogen sulphide 0-20ppm H2S
AE	Hydrogen sulphide 0-250ppm H2S
AA	Hydrogen sulphide 0-25ppm H2S
AF	Hydrogen sulphide 0-300ppm H2S
AB	Hydrogen sulphide 0-50ppm H2S
TI	Hydrogen sulphide 0-5ppm H2S
SP	Nitric oxide 0-100ppm NO
SN	Nitric oxide 0-25ppm NO
SO	Nitric oxide 0-50ppm NO
SM	Nitrogen dioxide 0-100ppm NO2
SK	Nitrogen dioxide 0-10ppm NO2
SL	Nitrogen dioxide 0-50ppm NO2
HA	Ozone 0-1ppm O3
TN	phosgene, 0-1ppm
TM	Phosphine 0-1ppm PH3
TP	Silane 0-1ppm SiH4
ST	Sulphur dioxide 0-100ppm SO2
SQ	Sulphur dioxide 0-10ppm SO2
SR	Sulphur dioxide 0-20ppm SO2
SV	Sulphur dioxide 0-250ppm SO2
SS	Sulphur dioxide 0-50ppm SO2
TO	Volatile organics 0-100ppm VO
OA	Oxygen 0-25% vol O2

Accessories:
Below is a small selection of the accessories available for the Crowcon Xgard. For a full list please contact Us.

Spray Deflector

Spray deflector - C01052 - For outdoor installations and protection from water sprays, for example in water treatment or food processing plants. Includes accessory adaptor. (Not suitable for use with Xgard Type 4)

Sun Shield

Sun shield - C011063 - Protects against excessive heat build-up due to direct sunlight. Supplied with fixing rivets.

Collector Cone

Collector Cone - C01051 - For aiding detection of light gases such as methane. 38cm/15″ Dia. Includes accessory adaptor. (Not suitable for use with Xgard Type 4)

Weatherproof Cap

Weatherproof cap - C01442 - For offshore or other extremely wet environments. Includes accessory adaptor. (Not suitable for use with Xgard Type 4)

Flow adaptor

Flow adaptor - C01339 - For use where a gas sample is being piped to the detector.

Calibration adaptor

Calibration adaptor - C03005 - To enable calibration gas to be applied to the detector. One adaptor can be used for several detectors.

Duct mounting kit

Duct mounting kit - S011918 - Allows sampling within tubes and ducts. Stainless steel plate with 6mm remote calibration fitting. Maximum duct airflow: 6 metres per second. (Not compatible with Stainless Steel Xgard or Xgard Type 4.)

Products specifications

Attribute name	Attribute value
Xgard Type	Xgard Type 3
Gases Detected	Acetylene (C2H2), Ammonia (NH3), Butane (C4H10), Ethylene Dichloride (EDC), Ethane (C2H6), Ethanol (C2H5OH), Ethylene (C2H4), Hexane (C6H14), Hydrogen (H2), Combustible Gases, Methane (CH4), Methanol (CH3OH), Pentane (C5H12), Propane (C3H8), Toluene (C7H8), Vinyl Chloride (VCM) (C2H3Cl)

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