In This Article
- ATEX Certification Explained: A Guide to Hazardous Area Computing Standards
- What is ATEX Certification?
- ATEX, IECEx and C1D2 – What’s the Difference?
- ATEX vs IECEx vs C1D2 Comparison
- Understanding ATEX Hazardous Area Zones
- Why ATEX-Certified Computing Matters
- Common Application Areas for ATEX Systems
- Choosing the Right Hazardous Area Computing Solution
- Explosion-Proof Industrial Computing Solutions from BVM
- Contact BVM Today
ATEX Certification Explained: A Guide to Hazardous Area Computing Standards
In hazardous industrial environments, safety is critical. Industries such as oil and gas, chemical processing, mining, pharmaceuticals, food production, and energy generation often operate in areas where explosive gases, vapours, or combustible dusts may be present. In these environments, standard computing equipment is simply not enough.
That is where ATEX-certified industrial computing solutions play a vital role. Designed to operate safely in hazardous areas, ATEX systems help reduce the risk of ignition while delivering reliable computing performance for demanding industrial applications.
What is ATEX Certification?
ATEX is a European certification standard designed for equipment used in potentially explosive atmospheres. The term “ATEX” comes from the French phrase ATmosphères EXplosibles. The certification ensures that equipment has been designed, tested, and approved to minimise the risk of sparks, excessive heat, or electrical faults that could ignite hazardous gases, vapours, or dust particles.
ATEX-certified Industrial Computers, Panel PCs, Displays and Embedded Systems are specially engineered to operate safely in environments where explosive materials may be present during normal operation or under fault conditions.
ATEX, IECEx and C1D2 – What’s the Difference?
While ATEX is widely recognised across Europe, other international hazardous area standards also exist. Two of the most common are IECEx and C1D2.
ATEX is the European Union directive for equipment used in explosive atmospheres. It is mandatory for products sold within the EU for hazardous area applications.
IECEx is an international certification scheme that provides globally recognised standards for explosive atmosphere equipment. It is based on IEC standards and is commonly accepted in many countries outside Europe.
C1D2 is a North American hazardous location standard commonly used in the United States and Canada. It focuses on areas where flammable gases or vapours may only be present under abnormal conditions.
Although ATEX, IECEx, and C1D2 all aim to improve safety in hazardous environments, they use different classification systems and regional standards.
ATEX vs IECEx vs C1D2 Comparison
| ATEX | European Union | Gas, vapour, dust | Industrial environments in Europe |
| IECEx | International | Gas, vapour, dust | Global hazardous area compliance |
| C1D2 | USA & Canada | Gas and vapour | North American industrial sites |
Understanding ATEX Hazardous Area Zones
Hazardous locations are divided into zones depending on how frequently explosive atmospheres are present. These classifications help determine the level of protection required for equipment operating within the area.
| Zone | Hazard Type | Description |
|---|---|---|
| Zone 0 | Gas & Vapour | Explosive gases or vapours are continuously present, present for long periods, or occur frequently during normal operation. |
| Zone 1 | Gas & Vapour | Explosive gases or vapours are likely to occur occasionally during normal operation. |
| Zone 2 | Gas & Vapour | Explosive gases or vapours are not normally present during operation, but may appear briefly under abnormal conditions. |
| C1D2 | Gas & Vapour | Equipment is designed to prevent sparks or ignition sources in areas where explosive gases or vapours may occasionally exist. |
| Zone 20 | Dust | Combustible dust is continuously present, present for long periods, or frequently occurs during normal operation. |
| Zone 21 | Dust | Combustible dust may occasionally be present during normal operation. |
| Zone 22 | Dust | Combustible dust is not normally present, but may occur for short periods under abnormal conditions. |
| C2D2 / C3 | Dust | Equipment is designed to prevent ignition in environments containing potentially explosive dust particles. |
Why ATEX-Certified Computing Matters
Industrial computing systems used in hazardous areas must do far more than deliver performance. They must also maintain safe operation under extreme conditions.
ATEX-certified industrial and embedded computers are typically designed with:
- Fanless cooling systems to reduce ignition risks
- Rugged enclosures for harsh industrial environments
- Wide operating temperature support
- Sealed connectors and ingress protection
- Reliable 24/7 operation
- Long lifecycle availability for industrial projects
- Compliance with hazardous area regulations
These systems help businesses improve operational safety while maintaining reliable data collection, monitoring, automation, AI processing, and industrial control functions.
Common Application Areas for ATEX Systems
ATEX and hazardous area-certified computing solutions are used across industries where explosive atmospheres may occur.
Used on offshore platforms, refineries, pipelines, and drilling operations where flammable gases are present.
Supports process control, automation, and monitoring systems in facilities handling volatile chemicals.
Provides rugged computing solutions for underground and surface mining operations exposed to combustible dust and gases.
Used in controlled production environments where fine powders and chemical vapours may create hazardous conditions.
Protects systems operating in environments containing combustible dust from flour, sugar, grain, or powders.
Supports monitoring and automation systems in power plants, fuel storage sites, and renewable energy facilities.
Choosing the Right Hazardous Area Computing Solution
Selecting the correct ATEX or hazardous area-certified system depends on several factors, including:
- Required certification: Must meet relevant ATEX, IECEx, or C1D2 certification for the hazardous environment.
- Hazard classification zone: Equipment must be suitable for respective zones (e.g. Zone 0, 1, 2 or dust zones).
- Environmental conditions: System must operate reliably under temperature, humidity, vibration, and gas or dust exposure.
- Computing performance: Hardware must provide adequate processing power for control, monitoring, or AI tasks.
- Mounting and installation: System must fit the necessary installation method, such as panel, wall, or enclosure mount.
- Long-term reliability: Solution must support continuous 24/7 operation with low maintenance and long lifecycle.
Working with an experienced industrial computing supplier can help ensure the correct solution is selected for both safety compliance and operational performance.
Explosion-Proof Industrial Computing Solutions from BVM
BVM supplies a wide range of rugged, ATEX-certified, IECEx, and hazardous area industrial computing solutions designed for demanding industrial environments. From explosion-proof panel PCs and industrial displays to embedded AI systems and rugged computers, we provide reliable solutions for mission-critical applications.
With over 35 years of experience in industrial and embedded computing, our team can help identify the right hazardous area system for your project requirements.
Contact BVM Today
Contact us for all your explosion proof Industrial and Embedded Computing needs. You can contact our sales team on 01489 780144 or email sales@bvmltd.co.uk. BVM has over 35 years’ experience supplying, designing, and manufacturing Industrial and Embedded hardware for harsh, hazardous, and mission-critical environments.
Ready to Discuss Your Project?
Contact BVM for all your Industrial and Embedded Computing, OEM/ODM design, UK manufacturing or distribution needs. With over 35 years of experience, we supply standard hardware and design custom solutions tailored to your requirements.
Reach our expert sales team on 01489 780144 or email us at sales@bvmltd.co.uk.