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Authorised Gas Tester (OPITO Approved)

Please find the full course description further down the page.

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  • Duration

    240 Minutes

  • Language

    Multiple Languages

  • Course code


  • Price

    USD 165.00

    & Excl. 6.00 % SST

Covid-19 e-learning course included with all training booked! Read more

Authorised Gas Tester (OPITO Approved)


LO1: Confined space criteria
LO2: The type of operations being tested for flammable and toxic gases
LO3: The potential cumulative hazards of operations within an oxygen-enriched, oxygen-deficient, toxic or flammable environment and habitats
LO4: Carrying out a suitable and sufficient risk assessment before testing activities and confined space entry
LO5: Understanding responsibilities within safe systems of work
LO6: Nominating stand by person to raise the alarm and initiate emergency response
LO7: The implications of statutory requirements with respect to gas testing
LO8: How to interpret operational requirements
LO9: How to select, use and care for PPE for different toxic and flammable gases and other contaminants through risk assessment
LO10: Consideration of appropriate levels of respiratory protective equipment
LO11: The strengths and weaknesses of the various types of atmospheric flammable and toxic gas detection equipment
LO12: Determining the extent of the test boundaries
LO13: Calibrating the instruments used in atmospheric testing
LO14: Sources of assistance in the event of damaged or defective equipment
LO15: How to access and interpret the relevant operational instructions
LO16: The operating principles of atmosphere monitoring and measuring equipment
LO17: Frequently observed failure modes
LO18: How to correctly select between aspirating and non-aspirating detectors to obtain a representative sample of the atmosphere being tested
LO19: Equipment required for testing for hydrocarbons in inert atmospheres
LO20: Gas detector pre-start checks
LO21: How to document the results and advise relevant personnel
LO22: How to interpret the results, to include both normal and abnormal

+more. See brochure.

Target Group

Oil & Gas Industry


No prerequisites are required to sit this course.


This course is CPD approved. The assessment is taken during the course and is within the expected duration.

Course Contents

The course is available in the following languages: English; Brazilian Portuguese
This course is accredited to the OPITO Authorised Gas Tester standard and has been designed to equip delegates with the knowledge to conduct gas testing within confined spaces and awareness of associated confined hazards. The authorised gas tester role is critical in testing for and ensuring safe working atmospheres, in particular: permit-controlled confined spaces, and prior to and during hot work.

Our course has been developed in bitesize learning chunks for each topic. At the end of each unit, there will be an assessment. Delegates will need to pass each module at 80 percent or above. When you pass the course, you will be issued with a certificate which is valid for 3 years.

The aim of this course is to teach you the requirements associated with gas detection. On successful completion, you will have the basic knowledge necessary to allow you to operate as an Authorised Gas Tester. You will be given two attempts at each module, and you must score 80 percent to pass.

OPITO Standards Information
It is the responsibility of delegates taking an OPITO-Approved e-Learning Course to use the links below to access the appropriate Course Standard (on the OPITO website) so that they are aware of the requirements of the OPITO Standards.
Please click here: