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Technical information

LGM Products has a reputation for the very highest customer support and technical back up. With over 30 years’ experience in the industry, we are here to help.

These pages aim to help you choose the products that are most appropriate for your situation. Herein you will find information regarding ATEX regulations, Audible decibel levels, Linear Heat Detection, IP ratings and much more.

If you need further information about any product, email sales@lgmproducts.com or phone +44 1252 725257 and we’ll do all we can to help.

A general introduction to Intrinsic Safety

This document discusses “Intrinsically Safe” and various techniques to make products “Explosion Proof”.

A simple guide to barrier selection

A guide to selecting an appropriate model of Intrinsically Safe barrier and enclosure

Approvals for Signaline Linear Heat Detection; EN54 part 22 and EN54 part 28

Understand what approvals Signaline Linear Heat Detectors has and learn about Signaline FT-EN new EN54 part 28 approval

ATEX explained

This page explains ATEX, hazardous area and explains what the ATEX-approved product markings mean.

Choosing the right Intrinsically Safe barrier

This page explains the two types of intrinsically safe barrier that are frequently used: shunt-diode safety barriers and isolating IS interface units.

Conventional fire alarm systems myth buster

What are the advantages of using a conventional fire alarm system? Find out in our handy factsheet

IP Ratings: BS EN60529 1992

This page describes the Ingress Protection (IP) rating classifying the degrees of protection from dust and water afforded by electrical equipment and enclosures.

Signaline Linear Heat Detection basics

What are heat sensing cables and where are they used? What’s the difference between Signaline HD and Signaline FT, and which should be used where?

Sound pressure levels in dB(A)

This page shows you how to calculate the dB level required from a sounder to achieve a given alarm sound level at a known distance from the sounder.

What is the difference between intrinsically safe and flameproof equipment?

If a fault develops in a piece of electrical or electronic equipment located in an area where flammable gases are present the fault could cause a disaster.