1. One hundred thousandth electronic balance selects E2 non-magnetic stainless steel weight

2, one ten thousandth electronic balance selects E2 grade or F1 grade non-magnetic stainless steel weight

3, one thousandth electronic balance selects F1 grade non-magnetic stainless steel weight

4, one percent electronic balance choose F2 grade stainless steel weight

5, one tenth of the electronic balance choose M1 grade stainless steel weight or M1 grade cast iron weight

6, 30kg-200T electronic scales select M1 grade cast iron weight