XGARD IQ

The XgardIQ is our most intelligent fixed gas detector, increasing safety by minimising the time operators must spend in hazardous areas.

This versatile SIL2 certified gas detector and transmitter has a range of features that protect people in oil, gas, chemical & petrochemical plants to name just a few.

Available fitted with a variety of sensors for flammable, toxic, oxygen or fixed H₂S gas detection.

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XgardIQ is an intelligent and versatile fixed detector and transmitter. Its remote sensor and universal transmitter means you have access to Crowcon’s full range of sensor technologies and improved detection. With its sensor range selection capabilities it means users can set the full-scale range of the sensor according to specific location requirements.

Available fitted with a variety of sensors for fixed flammable, toxic, oxygen or H₂S gas detection, this SIL2 certified detector is easy and safe to use, with OLED display for easy visibility of reading even in dark locations and a +Ve safety indicator to quickly confirm the detector is operating soundly at a glance.

The XgardIQ is optionally available with Alarm and Fault relays and HART communications.

Auto-sense & auto-configure function

Universal transmitter

+Ve safety indicator

Non-intrusive calibration

Remote sensor

Easy & Safe to Use

OLED display for bright, clear gas level indication and detector status even in dark locations
Non-intrusive calibration removing the need for a hot-work permit or any special tools
Positive Safety indicator confirms the detector is operating safely at a glance
Event log function stores all alarm, fault and maintenance events to provide a history of detector use
Remote sensor for improved probability of detection

Size	H278 x W140 x D89mm (10.9 x 5.5 x 3.5 in)
Weight	4.1Kg (9lbs)
Enclosure material	316 stainless steel
Ingress protection	IP66
Connection	Three M20 or ½”NPT cable gland entries.Certified, removable plugs are fitted to left-hand and lower righthand entries
Power	14-30 VDC. <4W
Display	Main display – OLED 128 x 64 pixels, yellow text on black background Indicators – Amber, Red and Green LED’s for detector status; Blue +ve Safety LED
Electrical output	4-20mA current sink or source (Auto-Sense or manual selection); warning and fault signals are configurable. NAMUR NE 43 compliant RS-485 Modbus RTU HART 7 over 4-20mA signal and via local I.S. test points (optional) Relays (optional) Alarm 1, Alarm 2, Fault SPCO contacts rated 5A, 230Vac Relay configuration options Energised or de-energised Latching or non-latching Rising or falling Configurable On and Off delays on alarm relays.
Event logging	Records alarm, fault and maintenance events. Events can be viewed on-screen and downloaded to a PC.
Operating temperature	Transmitter only: -40°C to +75°C (-40°F to +167°F)† Sensor type: Oxygen: (-20°C to +50°C ambient) Toxic: (-40°C to +50°C ambient) Pellister: (-40°C to +75°C ambient) Infra-red (IR): (-20°C to +55°C ambient) High temperature toxic: (-40⁰C to +70⁰C)
Humidity	0 to 95% RH non-condensing†
Repeatability	+/- 2% FSD
Zero drift	+/- 2% FSD per year maximum
Response time	Sensor dependant: contact Crowcon for specific sensor data.
Approvals	ATEX and IECEx: Ex II 2 G Ex db ia IIC T4 Gb (see above for temperature ranges)
Performance	Designed for compliance with: EN50104 (oxygen sensors) EN45544 (toxic gas sensors)* EN50271 (software) H2S performance standard
Functional safety	IEC61508, EN50402 SIL 2
EMC Compliance	EN50270:2015 FCC CFR47 Part 15B ICES-003

† Note: sensor operating temperature and humidity limits vary widely.

* Features outstanding at the time of issue, contact Crowcon for details.

Gas	Units	Max Range	Standard Range	Alarm 1 level	Alarm 2 level	Temp range °C
Oxygen (O₂)	%Vol	30	25	19 (falling)	17 (falling)	-20 to +50
Amoníaco	PPM	100/1000	50	25	35	-20 to +40
Monóxido de carbono (CO)	PPM	1000	250	30	200	-30 to +50
Hydrogen Fluoride (HF)	PPM	10	10	1.8	3	+5 to +40
Hydrogen Sulphide (H₂S)	PPM	100/200	25	5	10	-30 to +50
High Temperature Hydrogen Sulphide (H₂S)	PPM	100/200	25	5	10	-40 to +70
Ozone (O₃)	PPM	1	1	0.1	0.2	-20 to +40
Sulphur Dioxide (SO₂)	PPM	100	10	1	1	-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
Propane (C₃H₈)	%LEL	100	100	20	40	-40 to +75
Ethanol (IR sensor)	%LEL	100	100	20	40	-20 to +55
LPG (IR sensor)	%LEL	100	100	20	40	-20 to +55
Methane (IR sensor)	%LEL	100	100	20	40	-20 to +55
Propane (IR sensor)	%LEL	100	100	20	40	+10 to + 55

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