top 5 accessories for your portable gas detector
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...
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...
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...
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...