Here in Australia there are strict regulations concerning the production and processing of food and beverages. Naturally, these exist to protect the public from food products that have become contaminated with foreign bodies or bacteria.
String pots, string encoders, yo yo pot are all different names for a wire drawn linear position transducer. These devices detect & measure linear position by using a flexible wire and a spring loaded spool.
Determining the anticipated accuracy of a load cell takes some thought and a variety of factors need to be considered. A Load cell’s %RO accuracy specifications are a great starting point but so are a variety other factors, such as: