Liquid Penetrant Testing

LPT Level I

To provide basic knowledge of LPT sufficient to enable a person to carry out tests in accordance with established procedures under the supervision of level II personnel.
LPT Level I Responsibilities
To carry out operations according to written instructions, set up the equipment, carry out the test, record, classify, and report the results. The level I personnel shell be not responsible for choice of test method nor for assessment of test results.
LPT Level I Course outline
Basics of Penetrant Testing Penetrant Groups Pre-cleaning Methods Penetrant testing methods and techniques Types of Developers Inspection Procedures Sensitivity & Resolution checking of test systems Types of Discontinuities LPT Level I Practical training
Visible (Red) and Fluorescent Penetrants of various types of different surfaces use of dry, wet, solvent suspended developers.

To provide the personnel with full theoretical and practical knowledge of PT process and related standards.
PT Level II Responsibilities
To perform and direct PT according to the established or recognized procedures, select test methods to be used, set up and calibrate equipment, interpret and evaluate result according to applicable standards. Develop PT techniques adopted to problems arising during testing, prepare written instructions, organize and report test results.
PT Level II Course outline
Review of Level-I course Selection of Techniques Manufacturing Process and Discontinuities Interpretation of Indications Preservation of Indications Evaluation of Test Equipment Penetrant materials quality control Codes, standards and Procedures PT Level II Practical Training
Same as for Level I + Interpretation