A professional who verifies performance of yarn texturing machines for conformance to specifications, using test equipment and instruments. Responsibilities include:

• Reviews work order to determine machine to be checked and type of inspection required.
• Inspects machines for threading problems, such as incorrect placement of yarn and opened feed rollers.
• Measures operation of machine components, such as oil roller, transverse bar, and rotating shaft of feed roll, to measure operation of machine, using counter, speed indicator, and stopwatch.
• Observes and records factors, such as heat setting and package tube color of yarn.
• Determines amount of tension on yarn, using tensioner.
• Examines friction unit to ensure positioning of belt and to identify defects on unit, and measures speed of unit, using stroboscope.
• Measures level of humidity, using psychrometer.
• Compiles data of measurements taken of machine and machine operations and compares actual measurement with measurements from specifications book.
• Notifies specified personnel of deviations from specifications.