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].

22/04/2026

Top 5 key features & benefits of the Drager PAC 8000

Posted by Rhys Redrup

Introduction to the Drager PAC 8000 The Dräger Pac® 8000 is a robust, reusable personal single gas detector. It provides accurate detection of hazardous gas concentrations across 29 different gases, including critical substances such as nitrogen dioxide (NO₂), ozone (O₃), and phosgene (COCl₂). The device can be fitted with a wide range of sensors, including...

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22/04/2026

Understanding the dangers of Hydrogen Cyanide (HCN)

Posted by Rhys Redrup

What is Hydrogen Cyanide (HCN)? Hydrogen cyanide, also referred to as prussic acid, is a chemical compound with the formula HCN. It is a highly toxic, colourless, and flammable liquid that boils just above room temperature. What are the dangers of Hydrogen Cyanide (HCN)? Early signs are often non-specific and may include central nervous system...

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21/04/2026

Catalytic bead sensors, how do they work?

Posted by Rhys Redrup

Introduction to catalytic bead sensors Catalytic bead sensors (also known as pellistor sensors) are widely used to detect flammable gases. They function by measuring changes in resistance between a catalytically active bead and an inert reference bead when exposed to gas. Commonly found in sectors such as oil and gas, chemicals, power generation, waste management,...

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21/04/2026

Top 5 accessories for your portable gas detector

Posted by Rhys Redrup

Top 5 accessories for your portable gas detector There are a range of accessories to choose from for your portable gas detector, here are the top 5 in our opinion: 1) Calibration gas Calibration / bump test gas is one of the most important accessories in our opinion. Without it, you can't calibrate or bump...

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