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Contact SupplierAn E2 Class Weight Box is a set of precision weights used for calibrating high-accuracy weighing instruments like analytical balances, typically containing weights ranging from 1mg to 200g, and classified as "E2 Class" due to their high accuracy level, making them suitable as a reference standard for calibrating lower class weights like F1 or M1 class weights; they are commonly used in quality control labs and research facilities requiring precise measurements.




