Calibration weight, SS

Catalogue number break down:
S - Chapter prefix
W - Weight
1 - Basic, 2 - Normal, 3 - Premium, 4 - Chromed Steel, 5 - Stainless Steel Rectangular
Class - 1 = E1, 2 = E2, 3 = F1, 4 = F2, 5 = M1, 6 = M2, 7 = M3
1 - milligrams, 2 - grams, 3 - kg
000 - Three digits to indicate the for range (eg. if the prefix is 1 (mg) then "001" = 1mg to "010" = 10mg to "100" = 100mg. However, 1.5kg would be 015, 1kg would be 010, and 10kg would be 100)
'C' suffixed items come with a SIMT or NIM Certificate; all these standards are available with this internationally acceptable certificate Ask 
Only NIM can issue the certificate of E1 class.

Calibration Weights Classification for Balances