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Hazardous Areas & Intrinsic Safety

Course Syllabus

  • Definition of Zone 0, Zone 1, Zone 2
  • Details of flammable materials
  • Explosive limits of vapours and gases
  • Flashpoint
  • Ignition temperature
  • Temperature classification and surface temperature relationship
  • Apparatus grouping: Group 1, Group IIA, Group IIB, Group IIC
  • Protection Types
  • Instrinsic Safety
  • Flameproof d
  • Pressurised purge p
  • Increased safety e
  • Special protection s
  • Oil filled o
  • Powder filled q
  • Encapsulation m
  • Type of protection n
  • Proposed ATAX 100 directive
  • Making requirements for apparatus
  • Identification of type of protection
  • Ingress protection code
  • IS apparatus fundamental requirements
  • IS certificates
  • Identification codes
  • Use of zenner systems
  • Opto-isolater systems
  • Conformity of loop to drawings
  • Reporting and recording of faults

Course Objectives

  • Define zones under area classification
  • Be aware of area classification procedures
  • Understand causes of fire or explosion
  • Understand temperature classification
  • Be aware of apparatus grouping
  • Understand types of protection
  • Recognise making of equipment
  • Dates available on request.

Course Content

Aim:
To introduce the trainee to the British Standards related to electrical appartus used in potentially explosive atmospheres.

PRE-REQUISITES
The delegate should be of Electrical or Instrumentation background, or have an understanding of one of them.

COURSE DURATION
The course is of 2 days duration.

OPTIMUM NUMBERS
The maximum number of delegates is 6.

TRAINING AIDS
Video, Handouts, PowerPoint.

 

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