Stainless Steel Standard Calibration Weight Set E1 Class

This E1 class precision weight set comprises 23 calibrated weights ranging from 1 milligram to 200 grams, designed for high-accuracy calibration and mass metrology applications. Conforming to OIML R111 standards, the E1 classification ensures the highest level of precision, suitable for analytical balances, reference standards, and scientific laboratories requiring minimal measurement uncertainty. Key Features: Material: Highly polished non-magnetic stainless steel Tolerance: As per specified class – F1, E2, E1 Surface finish and shape optimized for minimal air buoyancy error Supplied in a high-quality protective case with tweezers and gloves for safe handling Optional traceable calibration certificate available Configuration: 200g x 2, 100g x 1, 50g x 1, 20g x 2, 10g x 1, 5g x 1, 2g x 2, 1g x 1, 500mg x 1, 200mg x 2, 100mg x 1, 50mg x 1, 20mg x 2, 10mg x 1, 5mg x 1, 2mg x 2, 1mg x 1