- Weight Class: UltraClass
- Style: Cylindrical with groove
- Material: 303 Stainless Steel
- Weight Value: 3 kg
- Certificate Type: NVLAP Accredited Certificate
- Dimensions: 2.718 x 4.125"
- Density: 7.85 g/cm³ at 20°C
- Tolerance: 3.8 mg
- Case Included: Yes
- Country of Origin: USA
- Troemner Part Number: 8022W
The weight tolerance is equal to ANSI/ASTM E617 Class 0 and exceeds OIML R 111 Class E2. This class is used as a reference standard for calibrating other reference standards and weights and is appropriate for calibrating high-precision analytical balances with a readability as low as 0.01 mg.