Gas Detection

Gas detection is a vital safety solution when working in potentially hazardous environments with a risk of toxic gases in the atmosphere. Here at Rockall, we have a generous variety of different devices available, which can be used to detect explosive atmospheres, oxygen deficiency, and toxic gases in the immediate working space.

Take a look at our gas detection safety news and advice for all the information you need regarding what applications gas detectors are needed for.

Specialising in a wide range of resources that are designed to minimise health and safety risks other than gas detectors, we also provide breathing equipment, fall arrest systems and confined space rescue tools that you can rely on through your day to day operations.

If you have any questions relating to our products or services, don’t hesitate to contact our dedicated sale staff on 0845 3300 447 or email our team at [email protected].

gas safety tips
21/04/2026

Top 5 Gas Safety Tips

Posted by Rhys Redrup
Top 5 Gas Safety Tips for the Workplace Working with a variety of gases can be dangerous, especially if you don't know how to detect / measure the concentration levels. Below are the top 5 gas safety tips recommended by Rockall Safety: 1) Choose the correct gas detector for the risk There are a range...
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what does lel mean
20/04/2026

What does LEL mean? (Gas detection)

Posted by Rhys Redrup
What does LEL mean? (Gas detection) The Lower Explosive Limit (LEL) is the lowest concentration of a gas or vapour in air that can ignite and lead to an explosion. For most flammable gases the LEL is usually below 5% by volume. This means that even a small amount of gas mixed with air can...
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What is the difference between filtered and non filtered LEL sensors
20/04/2026

What is the difference between filtered and non filtered LEL sensors?

Posted by Rhys Redrup
What is the difference between filtered and non filtered LEL sensors? Catalytic bead LEL sensors are widely used in portable gas detection because they offer reliable monitoring of combustible gases. Not all applications require the same level of protection which is why different sensor designs are used. BW and RAE Systems Technologies by Honeywell portable...
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Confined space entry - is portable gas detection worth it?
17/04/2026

Confined space entry – is portable gas detection worth it?

Posted by Rhys Redrup
Introduction to Confined space entry A confined space, as defined by the Health and Safety Executive (HSE), is any area that is fully or partially enclosed and presents a reasonably foreseeable risk to workers due to hazardous conditions within the space. These risks can include fire or explosion from flammable substances, loss of consciousness caused...
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