This standard specifies the system composition, product model, requirements, test methods, inspection rules, as well as marking, packing, transportation and storage of the feed proportioning system.
This standard is applicable to the feed proportioning system (hereinafter referred to as "proportion system") with the hopper as the loader and being combined with the sensor to form the weighing hopper and with the microcomputer or the electronic weighting indication controller as the control core for weighing and indicating.
2 Normative References
The provisions in the following documents, through reference in this standard, constitute the provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties coming to an agreement according to this standard are encouraged to research whether the latest editions of these labels are applied or not. For undated references, the latest editions of the normative documents are applicable to this standard.
GB/T 20803-2006 The following standards are cited：
