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Overview
ASTM Reference Calibration Weight Sets
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
1 g and above - two-piece 500 mg and below - one-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.
Specifications
ASTM Class | UltraClass |
Internal Calibration Certificate | No Certificate |
Construction | One-piece |
Density at 20°C | Below 5 mg are 2.70 g/cm3; 500 mg to 5 mg are 7.95 g/cm3 |
Dimensions | 4.5 in x 3.5 in (11.43 cm x 8.89 cm) (HxØ) |
Protective Case | Supplied in a high quality polycarbonate case with a compartment for each weight as well as compartments for a brush, forceps and USB flash drive. |
Set Capacity | 1 g |
Set Contents | 100 mg; 10 mg; (2) 200 mg; (2) 20 mg; 50 mg; 500 mg |
Set Total Pieces | 8 |
Weight Material | Weights 5 mg through 500 mg are 304 Stainless Steel. Weights below 5 mg are 3003-H14 Aluminum. |
Weight Set Range | 500 mg - 10 mg |
Wgt Origin (USA) | USA |