Hazardous Area Classification Made Easy
Standards-based zone classification and safety calculation tools for engineers and safety professionals.
Substance database: 313 substances (ISO/IEC 80079-20-1:2017) + PubChem / NIST fallback
Available modules
Gas & Vapour Zone Classification
Full implementation of the IEC 60079-10-1:2020 procedure: release rate (Annex B), ventilation assessment (Annex C + EN 16798-7), dilution chart (Figure C.1), zone type (Table D.1), and zone extent (Figure D.1).
Inerting — Explosion Prevention
Swing inerting (pressure and vacuum) and flow-through purging calculations per CEN/TR 15281:2022 Annexes A and B. Determines the number of inerting cycles or purging time/flow required to reach a target O₂ concentration.
Modules in development
Battery Rooms — Stationary Batteries
Zone classification and ventilation requirements for rooms containing stationary secondary batteries (IEC 62485-2).
Battery Rooms — Traction Batteries
Zone classification and ventilation requirements for rooms containing traction battery installations (IEC 62485-3).
Spray Booth Classification
Hazardous area classification for spray application equipment and spray booths per EN 16985.