A professional who tests dyed roving or yarn to determine fastness of dye and uniformity of color. Respnsibilities include:

• Winds specified quantity of yarn or roving onto reel and binds sample skein with bleached cloth band.
• Boils test sample in detergent solution for specified length of time.
• Dries sample in humidity and temperature controlled drier.
• Winds dried sample onto sample card and compares test sample with standard sample to detect variations in color.
• Examines bleached cloth band for bleeding of dyes.
• Records test results and reports variations from standards to manager, quality control.
• Files samples according to color and type of material.