NTEP legal for trade Class III Definition

There are a number of questions that potential customers will often ask regarding NTEP legal for trade scales. How do I know if my scale is a NTEP legal for trade variety? Any NTEP approved scale manufactured after 1986 must be labeled Class III if it is commercial quality. It will have an identification plate with the serial number, the manufacturer’s name, a model number, maximum capacity, number of measurement divisions, CoC#, and size of the smallest measurement. Also, one other subject that is asked about is “classes” that are used in describing the legal for trade status of scales. Often you will see NTEP Legal for Trade Class III. But, what exactly is the definition of class 3? Handbook 44, the book that spells out rules and regulations for the weighing industry, separates weighing devices into five accuracy classes. Continue reading