

The GDTP – 1994 Senior level - measures an individual’s ability to select and apply (“write”) geometric controls to drawings as defined in the Y14.5M – 1994 Standard. The GDTP – 1994 Technologist level - measures an individual’s ability to understand (“read”) drawings that have been prepared using the language of GD&T, as defined in the Y14.5M – 1994 Standard.


Two levels of GDTP certification for each Y14.5 standard: Those principles form an essential element of the design language for mechanical engineering.
ASME Y14.5 GEOMETRIC DIMENSIONING AND TOLERANCING PROFESSIONAL
Advance your career with two professional certifications to demonstrate your GD&T proficiency!ĪSME's GDTP (Y14.5) Professional Certification Program provides a means to demonstrate proficiency in the understanding and application of the geometric dimensioning and tolerancing (GD&T) principles expressed in ASME’s widely-applied Y14.5 Standard.
