Knowledge Areas Assessed in Certification Examination

1. Interpret Design Documents and Requirements

• Interpret Blueprints
• Interpret CAD
• Interpret GD&T
• Convert units of measure
• Reference appropriate standards
• Determine accuracy and resolution

2. Measurement Device Knowledge

• Evaluate environmental conditions
• Evaluate size requirements / volume parameters
• Evaluate required accuracy of resolution
• Identify appropriate accessories (adapters, etc.)
• Identify ergonomic issues
• Evaluate material constraints
• Evaluate time constraints
• Evaluate accessibility
• Demonstrate knowledge of types/applications of common metrology equipment

3. Pre-measurement Planning

• Determine error budget
• Optimize equipment stations (including fixturing)
• Determine data collection/sampling
• Plan reference system
• Determine order of measurement
• Estimate data collection time
• Determine naming conventions
• Identify safety requirements
• Plan coordinate systems
• Plan traceability and documentation
• Create a documentation plan
• Develop a mitigation plan for environmental factors
• Plan subject temperature compensation strategy
• Maintain equipment

4. Performing Measurement Operations

• Verify calibration status
• Setup equipment (including fixturing)
• Install reference features
• Perform in-situ equipment check
• Determine and mitigate environmental influence on instrument
• Measure reference features to create a coordinate system
• Measure features of interest
• Re-check reference features
• Manage temperature influence on part (scale)
• Perform device move if required
• Perform quality assurance of data set
• Manage measurement data
• Establish traceability

5. Analyzing Data and Ethics

• Compare measurement data to design specifications
• Evaluate GD&T
• Combine and evaluate alignment of multiple data sets
• Register data sets to known reference system
• Optimize data
• Construct geometry
• Calculate uncertainty and its impact on measurement task
• Describe statistical process control (SPC)