XgardIQ is an intelligent and versatile gas detector and transmitter compatible with Crowcon's full range of sensor technologies. Available fitted with a variety of flammable, toxic or oxygen gas sensors.

Providing analogue 4-20mA and RS-485 Modbus signals as standard, XgardIQ is optionally available with Alarm and Fault relays and HART communications. The 316 stainless steel are available with three M20 or ¹/₂"NPT cable entries.

Easy and safe to use

OLED display - Bright, clear display indicates gas level and detector status even in dark locations
Non-intrusive calibration - Zero and calibration functions are performed via the display and keypad, without the need for a hot-work permit or any special tools (e.g. no magnetic wand required)
+ve 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

Simple installation and maintenance

Universal transmitter - Common transmitter for Crowcon's full range of sensor technologies
Hot-swap sensor modules - Sensors can easily be replaced using one hand without requiring tools or a hot-work permit
Auto-sense function - Automatically detects whether the control system is 4-20mA current sink or source and sets itself appropriately, eliminating the risk of being incorrectly set
Auto-configure function - Detects when a sensor module is plugged-in and uploads the appropriate gas type, range, units and alarm levels

Reliability

Smart Bump and Speedy Bump test functions - Enable sensor health and response to be verified quickly and easily using test gas. Process is automated and provides a reminder when a bump test is due
Calibration due warning - Reminds the user when calibration is due to ensure that sensors remain operational and accurate at all times
Sensor range selection - User can set the full-scale range of the sensor via the display menu according to site or specific location requirements

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Details

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	14-32Vdc. <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) Foundation Fieldbus (option pending, contact Crowcon) 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	-40°C to +75°C (-40°F to +167°F)†
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 d ia IIC T4 Gb (-40 to +75°C)
Performance	Designed for compliance with: EN60079-29-1 (flammable gas sensors)* EN50104 (oxygen sensors)* EN45544 (toxic gas sensors)*
Functional safety	IEC61508, EN50402 SIL 2*
EMC Compliance	EN50270:2015 FCC CFR47 Part 15B ICES-003