CROWCON XGARD IQ Fixed Gas Detector

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Description

XgardIQ

 

The CROWCON XGARD IQ Fixed Gas Detector 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.

CROWCON XGARD IQ Fixed Gas Detector 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.

 

Specifications:

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

 

Gas & range:

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
Ammonia PPM 100/1000 50 25 35 -20 to +40
 Carbon Monoxide (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

Additional information

Weight 1 kg
Gas

Oxygen (O2), Ammonia, Carbon Monoxide (CO), Hydrogen Fluoride (HF), Hydrogen Sulphide (H2S), High Temperature Hydrogen Sulphide (H2S), Ozone (O3), Sulphur Dioxide (SO2), Hydrogen (H2), Methane (CH4), Pentane (C5H12), Propane (C3H8), Ethanol (IR sensor), LPG (IR sensor), Methane (IR sensor), Propane (IR sensor)

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