Used as Primary Reference Standard for Calibration of other Reference Standards and Weights where the stability of
environment and careful handling are assured. Although very stable, One-Piece Construction Weights have no method of
adjustment and are not suitable for General Laboratory use. Class E1 weights can also be used to calibrate Class E1 &
Coarser weights.
We manufacture Austenitic Stainless Steel High Precision Laboratory Weights Sets & Weights in Accuracy Class "E1" as per
OIML R 111-1 Edition 2004 (E); Capacity Range from 1 mg to 50 kg.