Weight 2P EB CYL 4kg UC No Cert TR - 30390291 Troemner UltraClass offers high accuracy with tight tolerances and uncertainties of less than 1/4 of the tolerance. Weight surfaces meet or exceed ASTM and have a highly polished finish. Available in high grade stainless steels including Troemner Alloy 8 which possesses closely controlled density, extremely low magnetic properties, good stability, and resistance to corrosion. Available with certificate options traceable to NIST including ISO/IEC 17025 Accredited Certificate or Traceable Certificate to aid in meeting SOP and regulatory requirements. Family Tag Line: Reference Calibration Weights and Mass Standards Adjusted to Troemner UltraClass Tolerances Family Name: ASTM Individual Reference Calibration Weights Applications: Use as a primary reference for calibrating other mass standards and use for traceability between national mass standards and ASTM Class 1 weights and lower. This class is appropriate for calibrating high-precision balances with readability as low as 0.01 mg. Construction: Two-Piece Design Features: Weights 50 kg through 1 g are cylindrical with handling knob. Weights 500 mg and below are flat with one end turned up for easy handling. Family Overview: ASTM Individual Reference Calibration Weights Model No.: Weight 2P EB CYL 4kg UC No Cert TR Calibration Certificate: No Certificate ASTM Class: UltraClass Weight Value: 4 kg Weight Set Range: Design: Cylindrical Weight Material: 303 Stainless Steel Protective Case: Polycarbonate Case Construction: Two-piece Density at 20°C: 7.85 g/cm3 Dimensions: 4.54 in x 2.98 in (11.532 cm x 7.57 cm) (HxØ) Dimensions in Case: 10.25 in x 6 in (26.035 cm x 15.24 cm) (HxØ) Set Capacity: Set Contents: Set Total Pieces: Standard Measurment Uncertainty: Uncertainty: Weight Tolerance: 4.9 mg Wgt Origin (USA): USA