Shawcity provides a flexible range of fixed-point detectors. We can design, install, commission and service standard and bespoke systems to suit every need.

Systems are available in flameproof, intrinsically safe or safe area formats as required. Various housing options are available, including weather caps for extreme environments such as wet weather or direct sunlight.

These systems normally comprise of:

Gas Detection Heads

Installed in hazardous areas to detect the presence of the target gas and transmit it back to a Control Panel. A wide range of target gases are available including toxic, flammable, oxygen and volatile organic compounds for use in safe areas and IS or ATEX rated zones (common example gases are Ammonia, Chlorine, Ozone, Hydrogen Sulphide, Hydrogen Cyanide, Sulphur Dioxide, Phosphine, Nitric Oxide, Nitrogen Dioxide, Carbon Monoxide, Volatile Organic Compounds (VOCs), Carbon Dioxide, Ethylene Oxide, Chlorine Dioxide, Methane, Pentane, Propane, Hydrogen, Ethanol, Flammable Gases, Methanol and Butane).

Control Panels

Receive data from the gas detection heads and display results on an LCD screen. These are normally located in a safe area but can be installed in IS/ATEX zones. They handle Gas Detection Head inputs (up to 64) and can be networked to a central point so that multiple control panels/systems can be monitored remotely. Locally the control panel has relays and signal output to interface with Building Management Systems (BMS) or Programme Logic Controller (PLC) as well as actuate equipment (e.g. shut-off valves) and alarms.

Shawcity have a range of systems available from Honeywell, GDS, Crowcon, RAE Systems and GFG.

To view how each option works together to create a system, please click here.

For more information on fixed gas detection systems visit our Knowledge Hub for frequently asked questions and answers.

Fixed Gas Detection Systems

 

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ATEX is the name commonly given to the two European Directives for controlling explosive atmospheres.

ATEX certification ensures that equipment is fit for use within explosive atmospheres and is supplied with adequate information to ensure it can be used safely.

For more information visit: hse.gov.uk/fireandexplosion/atex.htm