What does Class III refer to when discussing NTEP requirements?

Handbook 44 from NIST spells out rules and regulations for the weighing industry and separates weighing devices into five accuracy classes. Depending on the number and value of scale divisions, equipment can be either class I, II, III, IIIL, or IIII, with Class I having the highest precision. All Legal-for-Trade scales fall under one of these five classes.


What it’s saying basically is anything that doesn’t fall elsewhere would go here, providing the device meets the criteria for the quantity and size of divisions. Class III covers many different types of scales. It’s a bit of a catch-all. Produce scales would be one type of Class III application. While some jewelry scales are Class III if the Continue reading