Crowcon XgardIQ

Crowcon XgardIQ Gas Detector

The Crowcon 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.

Features:

  • 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
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Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

Simple Installation & 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.

Specs

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)
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 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)

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)
Functional safety IEC61508, EN50402 SIL 2*
EMC Compliance EN50270:2015
FCC CFR47 Part 15B
ICES-003