Free tool

ATEX Marking Validator

Parse and validate ATEX / IECEx explosion protection markings against IEC 60079 rules. Explains each component.

What this tool checks

Checks

✓ ATEX marking structure (the "Ex" marking line on product labels)
✓ Equipment group (I = mining, II = surface industries)
✓ Equipment category (1, 2, 3 for group II; M1, M2 for group I)
✓ Protection type codes (e.g., Ex d, Ex e, Ex ia, Ex tb)
✓ Gas group (IIA, IIB, IIC) and dust group (IIIA, IIIB, IIIC)
✓ Temperature class (T1-T6) or max surface temperature for dust
✓ Equipment Protection Level (Ga, Gb, Gc, Da, Db, Dc, Ma, Mb)
✓ IP rating suffix (when present)

Does not check

✗ Certificate numbers or notified body references
✗ Specific ambient temperature ranges (Ta or Tamb)
✗ Whether the marking matches a specific product's certification
✗ Zone classification of the installation area
✗ Compliance with ATEX Directive 2014/34/EU administrative requirements

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Related guides

Glossary

How to Read an ATEX Marking: A Practical Guide

A step-by-step guide to reading and understanding ATEX equipment markings: the Ex symbol, equipment group, category, gas/dust classification, protection concepts, and temperature class.

Comparison

ATEX vs IECEx: European and International Explosion Protection Compared

Compare the ATEX and IECEx certification systems for explosion-protected equipment: marking differences, geographical scope, mutual recognition, and how to handle both in product data.