Understanding Gases

Get to know your gases with the experts at Crowcon

Making the world a safer place

Our Crowcon experts know a thing or two about gases so thought it might be interesting to share some interesting facts with you!

Crowcon’s ‘Understanding Gases’ series will share with you some interesting facts and figures about the gases that pose a danger to us. We will also talk about how our products and systems work hard to protect people and the environment from the dangers and help our customers make the world a safer place.

Our Understanding Gases series will take you on a journey through the Crowcon periodic table and talk about the famous, infamous and downright weird gases that are all around us. We will also talk about how ensuring you have the right gas detection system in place can protect people and the environment.

Gases

Understanding Gases Articles

Why Do We Calibrate?
There are two main reasons for calibration. Firstly, gas detectors often operate in harsh environments: high and low temperatures and/...
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A Quick Guide To Bump Testing
A bump test is the only way to test that the whole gas detector unit is working properly. It checks ...
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Bump Testing: What do you need to know?
There are many reasons why a portable gas detector may not react to gas, some of which are not visibly ...
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Calibration: What are the basics?
Calibration of gas detectors is vital to be sure that they are in good working order and able to alert ...
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Knowing Cross-Sensitivities
In a perfect world, gas detector sensors would identify, isolate and measure specific gases and give precise readings for each ...
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The Basics of Gas Detection
The evolution of gas detection has changed considerably over the years. New, innovative ideas from canaries to portable monitoring equipment ...
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Combustion of Gases and Vapours
Most organic chemical compounds will burn. Burning is a simple chemical reaction in which oxygen from the atmosphere reacts rapidly ...
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Maintenance, cleaning and calibration of PIDs
The electronics in the PID sensor, designed to be maintenance-free, are not accessible. Periodic sensor maintenance is required for the ...
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Mitigate the health risks of welding
In February 2019 the UK Health and Safety Executive tightened up the requirement to protect workers from welding fume. The move ...
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Gas detectors: fixed versus portable
Flammable and toxic gas detectors are generally available in two formats – portable and fixed. Which version is right for you ...
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How not to use a gas detector
At Crowcon, we combine our expertise with emerging technologies to develop process insights and protection for our customers; improving operational ...
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Approvals for hazardous areas
Is there a significant risk that hazardous gases or dusts could be present at your site? If so, your operation ...
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Meeting the challenge of H2S monitoring
Hydrogen sulphide (H2S) is a hazardous gas that must be monitored around upstream oil and gas facilities. Detectors are ...
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What is LEL?
The Lower Explosive Limit (LEL) is the lowest concentration of a gas or vapour that will burn in air. The ...
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Why consider moving to an addressable fixed gas detection system?
Conventional analogue ‘point to point systems have been around for many years and for many gas detection operators, is still ...
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Fixed Systems Installation
Location of Gas Detectors and Relevant Standards There are no specific standards governing gas detector location (unlike fire detection systems); ...
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Oxygen Risk
The normal concentration of oxygen in the atmosphere is approximately 20.9% volume. Oxygen levels can be dangerous if they are too ...
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Characteristics of Toxic Gases
Gases and vapours produced, under many circumstances, have harmful effects on workers exposed to them by inhalation, being absorbed through ...
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Toxic gas exposure limits and alarm levels
Alarm Levels It is important to note that whereas portable gas detection instruments measure and alarm at the TWA levels, ...
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Monitoring for toxic gases
UK Health and Safety Executive (HSE) and COSHH Regulations Chemicals, fumes, dusts and fibres can under many circumstances have harmful ...
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Toxic Risk
Gases and vapours produced, under many circumstances, have harmful effects on workers exposed to them by inhalation, being absorbed through ...
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Flammable Risk
In order for gas to ignite there must be an ignition source, typically a spark (or flame or hot surface), ...
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What is gas?
The name gas comes from the word chaos, which neatly summarises the main feature of the simplest state of matter. ...
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