Which type of LEL sensors are the best – IR or catalytic?

3. Which type of LEL sensors are the best – IR or catalytic?

The most common type of LEL sensors are infra-red (IR) and catalytic (often called cat’s) – both have their benefits. IR sensors are around 4-6 times more expensive than catalytic but are more stable, last longer and less resistant to contamination.

The main drawback of IR is that they are very solvent-specific which is a problem where different solvents are used. Catalytic are much better at monitoring a range of solvents and are more commonly used on presses.

If you would like to discuss any aspect of the information outlined in this question, please contact EPM at contact@epm.uk.com.

 

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