Crowcon XgardIQ Fixed Gas Detector

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Description

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

The Crowcon XgardIQ is a versatile transmitter and gas detector and has a wide range of featuers that protect engineers and support facilities managers of oil, gas, chemical & petrochemical plants to name a few.  The XgardIQ is available with a variety of sensors for flammable, toxic, oxygen or fixed H2S gas detection.

Gas Sensor Type Units Max Range Standard Range Alarm Level 1+ Alarm Level 2+ Temperature range °C
Oxygen (O2) Electrochemical %Vol 30 25 19 (falling) 17 (falling) -20 to +50
Ammonia (NH3) Electrochemical ppm 100/1000 50 25 35 -20 to +40
Carbon Monoxide (CO) Electrochemical ppm 1000 250 30 200 -30 to +50
Hydrogen Fluoride (HF) Electrochemical ppm 10 10 1.8 3 +5 to +40
Hydrogen Sulphide (H2S) Electrochemical ppm 100/200 25 5 10 -30 to +50
Hight Temp (H2S) Electrochemical ppm 200 100 5 10 -30 to +70
Chlorine (Cl2) Electrochemical ppm 20 5, 10 or 20 0.5 1 -20 to +50
Ozone (O3) Electrochemical ppm 1 1 0.1 0.2 -20 to +40
Sulphur dioxide (SO2) Electrochemical ppm 100 10 1 1 -30 to +50
Hydrogen (H2) Pellistor %LEL 100 100 20 40 -40 to +75
Methane (CH4) Pellistor %LEL 100 100 20 40 -40 to +75
Pentane (C5H12) Pellistor %LEL 100 100 20 40 -40 to +75
Propane (C3H8) Pellistor %LEL 100 100 20 40 -40 to +75
Ethanol (C2H6O) IR %LEL 100 100 20 40 -20 to +55
LPG IR %LEL 100 100 20 40 -20 to +55
Methane (CH4) IR %LEL 100 100 20 40 -20 to +55
Pentane (C5H12) IR %LEL 100 100 20 40 -20 to +55
Propane (C3H8) IR %LEL 100 100 20 40 -20 to +55

 

Additional information

Dimensions

XgardIQ transmitter H278 x W140 x D89mm (10.9 x 5.5 x 3.5ins)

Weight

XgardIQ transmitter: 4.1kg (9lbs, stainless steel)

Enclosure

316 stainless steel

IP Rating

IP66

Connection

Three M20 or 1/2”NPT cable gland entries. Certified, removable plugs are fitted to left-hand and lower right-hand entries

Power

14-30Vdc. < 4W

Display

Indicators: Amber, Red and Green LEDs for detector status Blue Positive Safety LED, Main display: OLED 128 x 64 pixels, yellow text on black background

Electrical Output

4-20mA current sink or source (auto-sense or manual selection) Warning and fault signals are configurable NAMUR NE 43 compliant, HART 7 over 4-20mA signal and via local I.S. test points (optional), Relay configuration options Energised or de-energised Latching or non-latching Rising or falling Configurable On and Off delays for alarm relays, Relays (optional) Alarm 1, Alarm 2, Fault SPDT contacts rated 5A, 230Vac (Fault relay: SPST contacts), RS-485 Modbus RTU

Event Log

Records alarm, fault and maintenance events. Events can be viewed on-screen and downloaded to a PC

Subtype

Electrochemical, Infrared

Material

Stainless steel

Gas Type

ammonia sensor module (0-100ppm), ammonia sensor module (0-50ppm), carbon monoxide sensor module (0-1000ppm), carbon monoxide sensor module (0-250ppm), carbon monoxide sensor module (0-500ppm), hydrogen sulphide sensor module (0-100ppm), hydrogen sulphide sensor module (0-200ppm), hydrogen sulphide sensor module (0-25ppm), hydrogen sulphide sensor module (0-50ppm), IR ethanol sensor module (0-100% LEL), IR LPG sensor module (0-100% LEL), IR methane sensor module (0-100% LEL), IR pentane sensor module (0-100% LEL), IR propane sensor module (0-100% LEL)

HART

HART disabled & RS485, HART enabled & RS485