F-Gas Detector
Available for detecting a range of different refrigerant gases and also sulphur hexafluoride (SF6), the F-Gas Detector can be connected to any control system that accepts an analogue signal.
Features:
- Range – 0-1000 ppm.
- Power – 12-28Vdc.
- Output – 4-20mA current source.
- Response time – 30 seconds approx.
Xgard
The Xgard range is a comprehensive selection of fixed point gas detectors that meet the diverse requirements for gas detection in industries throughout the world. This includes many water treatment, oil and gas, power, research facility and manufacturing installations.
Features:
- Designed for easy installation and maintenance – keeps costs down.
- Three junction box options – designed to make replacement of sensors and sinters extremely simple. Spare sensors simply plug-in.
- Electrochemical sensors are used to detect a vast range of toxic gases and oxygen.
- Thermal conductivity sensors are available to monitor % volume concentrations of gases.
XgardIQ
The new XgardIQ, our most intelligent fixed-point gas detector, increases safety by minimising the time operators must spend hazardous areas.This versatile transmitter and gas detector has a range of features that protect engineers and support facilities managers of oil, gas, chemical & petrochemical plants to name a few.Available fitted with a variety of flammable, toxic or oxygen gas sensors.
Features:
- Main display – OLED 128 x 64 pixels, yellow text on black background.
- Output – 4-20mA current sink or source (Auto-Sense or manual selection); warning and fault signals are configurable.
- Response time – Sensor dependent: contact Crowcon for specific sensor data.
- Power -14-30 VDC. <4W.
Xgard Bright
Xgard Bright is a versatile platform offering flammable and toxic gas detection and oxygen monitoring, while providing ease of operation and reduced installation costs.
Providing analogue 4-20mA and RS-485 Modbus signals as standard, Xgard Bright comes with an Alarm and Fault relay as standard as well as optional HART communications. Lowering the cost of installation, the 4-wire addressable implementation drastically reduces cabling requirements. The large OLED display allows users to easily work with Xgard Bright during install, calibration and routine maintenance without the need to open the housing.
Features:
- Power – 10-30Vdc. 3W max.
- Output – 4-20mA current sink or source
RS-485 Modbus RTU
HART (Optional). - Certified for use in Zone 1 and Zone 2 areas.
TXgard-IS+
TXgard-IS+ is a Intrinsically Safe (I.S.) toxic and oxygen gas detector with local LCD display. A very wide choice of sensors are available for use in a variety of applications. TXgard-IS+ is ATEX certified for use in Zone 0,1 or 2 hazardous areas and also UL and cUL certified for use in Division 1 or 2 hazardous areas.
Features:
- 4-20mA current sink – works with a wide selection of control panels.
- Extensive range of electrochemical sensors for toxic gases and oxygen.
- Power – 8-32Vdc, 4-20mA loop-powered.
Flamgard Plus
A flameproof (Ex d) pellistor based detector with display & 4-20mA output, for hydrocarbons, hydrogen & petrol vapours.
Features:
- 4-20mA current sink or source – works with a wide selection of control panels.
- Power – 10-30Vdc, 210mA max (relay version)
160mA max (non relay). - Response time – T90 <15 seconds typically.
Open Path Gas Detectors
Crowcon offers open-path infra-red (IR) gas detection systems based on well-proven technology for fast detection of combustible gases and vapours over a line-of-sight up to 200m long.
Features:
- HART capability for digital communication.
- The magnetic mode selector is used in the field to change the detector’s modes for alignment and calibration procedures.
- Is used for simple on-site alignment of the detector with the light source.
Xsafe
Manufactured using a choice of three materials: glass reinforced nylon, highly durable aluminium with a tough polyester coating, or 316 stainless steel for ultimate corrosion resistance – designed to operate even in the harshest environments. Spray deflectors and weatherproof caps are available for use in areas subject to regular wash-downs, or offshore environments. All models have been validated to the functional safety standard IEC 61508.
Features:
- Operating Voltage – mA: 10-30V dc
mV: 2.0V dc. - Output – mA: 3- wire 4-20mA (current sink or source)
mV: 3- wire mV bridge. - Sensor type – Catalytic bead.
