Instruments in Hazardous Environments (AIS03)

In Instrumentation

About this class



This comprehensive INVOLVE interactive multimedia training program was produced in association with the Instrument Society of America. (ISA).


This lesson demonstrates practices for working with hazardous materials, and the safe use of instruments in hazardous environments.




Prerequisites


This lesson is designed for participants with an understanding of industrial process control, personnel safety and working with hazardous substances, as well as a working knowledge of the elements in single-loop and multiple-loop control.

Description


This lesson explains the characteristics and importance of intrinsically safe, explosion-proof, and purged and pressurized systems. Installation and maintenance considerations for safety systems are taught, including project planning, wire runs, terminations, and grounding.

Objectives


Identify the causes of explosions. Identify the components of the combustion triangle. Describe how protective measures can reduce the probability of explosion. Describe non-incentive, encapsulation, and oil-filled safety methods. List and define area classification Details. Define intrinsic safety and identify intrinsically safe components and installations. Identify the principles of intrinsic safety. Define the function of a barrier. Identify process components that require certification for intrinsic safety. Demonstrate the ability to interpret documentation for proper intrinsic installation. Identify intrinsically safe wire runs. Explain the purpose of conduit seals. Identify proper terminations for intrinsically safe connections. Describe the installation and maintenance procedures associated with intrinsically safe systems. List maintenance conditions for intrinsically safe installations. Identify the correct tools and equipment to use on intrinsically safe installations. Identify the proper classifications and ratings for explosion-proof materials. Demonstrate the proper handling of explosion-proof covers, housings, and fittings, and the minimum precautions needed prior to the maintenance of explosion- proof equipment. Describe purging and pressurization.

Contents

This lesson explains the characteristics and importance of intrinsically
safe, explosion-proof, and purged and pressurized systems. Installation
and maintenance considerations for safety systems are taught, including
project planning, wire runs, terminations, and grounding.

  • Instruments in Hazardous Environments

Curriculum

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