What is an ex camera zone?

Table of Contents

1. Introduction
2. Ex Camera Zone Definition
3. Safety Standards and Regulations
4. Technical Specifications
5. Pearmain Electronics Company Solutions
6. References

Introduction

An Ex Camera Zone refers to a specific area classified for its potential to contain explosive atmospheres. These zones are usually prevalent in industries such as oil and gas, chemical manufacturing, and mining where there is a risk of flammable gases or dusts being present in sufficient quantities to cause explosions if not managed properly.

Ex Camera Zone Definition

The term 'Ex' originates from 'explosive,' and zones are categorized based on the likelihood and persistence of an explosive atmosphere. According to the IECEx and ATEX directives, the zones are classified as follows:

• Zone 0: An area where an explosive atmosphere is present continuously or for long periods.
• Zone 1: An area where an explosive atmosphere is likely to occur in normal operation occasionally.
• Zone 2: An area where an explosive atmosphere is not likely to occur in normal operation but, if it does occur, will persist for a short period only.

Safety Standards and Regulations

Two primary international standards dictate the safety requirements for equipment used in Ex zones: the ATEX directive (European Union) and the IECEx system (International). Compliance with these standards ensures that equipment like cameras used in these zones do not become ignition sources. Specific standards include:

• EN 60079-0: General requirements for electrical equipment in explosive atmospheres.
• EN 60079-1: Equipment protection by flameproof enclosures.
• EN 60079-11: Equipment protection by intrinsic safety.

Technical Specifications

Cameras designed for Ex zones have specific technical features to ensure safety and reliability, including:

• Temperature ratings: Typically ranging from -40°C to 60°C to withstand harsh environments.
• Ingress protection: Must meet at least IP66 to protect against the ingress of dust and powerful water jets.
• Material construction: Made from stainless steel or other non-sparking materials to prevent ignition.
• Explosion-proof certification: Must have certifications such as ATEX or IECEx, displaying Ex symbols indicating zone suitability.

Pearmain Electronics Company Solutions

Pearmain Electronics offers innovative solutions specifically tailored for use in Ex Camera Zones. Their product line includes:

• ExC-500 Camera: A high-definition camera certified for use in Zone 1 and Zone 2 with an operating temperature range of -30°C to 50°C.
• ExC-800 Wireless System: Incorporates a robust wireless transmission module, suitable for Zone 2, with a range of up to 200 meters.
• Ex Monitoring Suite: Software designed to integrate seamlessly with their camera systems, allowing for real-time monitoring and alert systems in hazardous environments. Supports data encryption and remote access.

References

• IEC System for Certification to Standards relating to Equipment for use in Explosive Atmospheres (IECEx System) - www.iecex.com
• ATEX Directive 2014/34/EU - ec.europa.eu
• EN 60079 Series on Explosive Atmospheres Standards - Available through national standards bodies