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Crowcon XgardIQ – the next generation

13 December 2016

Crowcon XgardIQ is a versatile transmitter and gas detector which takes a variety of flammable, toxic or oxygen gas sensors. XgardIQ sensor modules can be ‘hot swapped’ without a hot-work permit. XgardIQ reduces costs in new builds when installed with a sealed dummy module protecting the device until commissioning. The transmitter automatically configures when the sensor module is installed. 

Crowcon Detection Instruments, experts in gas detection technology, have developed XgardIQ, their most intelligent fixed point gas detector, to further increase safety in environments where operators may be exposed to gas hazards. This versatile transmitter and gas detector has a range of features designed to protect engineers and support facilities managers of oil, gas, chemical and petrochemical plants.


Modern day plant environments can be varied, requiring careful management and can sometimes present detection challenges. The XgardIQ is fitted with a variety of flammable, toxic or oxygen gas sensors, offering a wide field of application with one single product.

Enhanced Communication

Reliable communication of safety critical data is a key deliverable. The XgardIQ provides 4-20mA and RS-485 Modbus signals as standard and is also available with alarm and fault relays. This latest product development ensures compatibility with virtually any control system. With a comprehensive set of output interfaces the XgardIQ can easily communicate with gas detection panels, PLC’s DCS’s and SCADA systems. Intelligent information and data exchange is offered through the HART feature which facilitates diagnostic checking and maintenance locally, or remotely using industry standard communication tools. Using the HART feature also enables data transmitted from XgardIQ to be automatically logged and monitored on asset management systems.

Smart Design
Reducing the amount of time spent working in a hazardous environment is always a priority. The XgardIQ allows operators to minimise the time spent performing routine maintenance as the sensor modules can be ‘hot swapped’ without the need for a hot-work permit. The integrity of the sensor function is still maintained with the option to swap out the existing module for a new pre-calibrated module or, remove it temporarily for testing and calibration in a safe environment.

Increased safety

In new builds, the XgardIQ aids commissioning as it can be installed with a sealed dummy module which protects the device until commissioning takes place. The XgardIQ transmitter automatically configures to the correct gas type, scale and alarm levels when a functioning sensor module is installed. Easy to maintain, the XgardIQ is quick to test with fast and simple ‘Speedy Bump’ or ‘Smart ‘Bump’ options. These features protect engineers and promote safer working by allowing quick interim safety checks and overall, less exposure to hazardous gas.

Constant assurance

Crowcon’s unique Positive Safety™ feature, a constant bright blue LED light and OLED display, reassures operators that the XgardIQ is operating safely. Should the ambient temperature or gas concentration exceed sensor limits, the LED will flash and a warning message is displayed. This first class safety feature puts the Crowcon XgardIQ ahead of other detectors that may be incapacitated by sensor exposure to extreme conditions.

XgardIQ has been developed to address the challenges and objectives of operators in safety critical applications and to deliver real user benefits and keep their people and plant safe from gas hazards.

Learn more about XgardIQ

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