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Overview
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
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; Troemner UltraClass |
Internal Calibration Certificate | Traceable Certificate |
Construction | Two-piece |
Density at 20°C | 7.95 g/cm3 |
Design | Cylindrical |
Dimensions | 2.5 in x 2 in (6.35 cm x 5.08 cm) (HxØ) |
Protective Case | Included |
Weight Material | 316 Stainless Steel |
Weight Tolerance | 0.037 mg |
Weight Value | 30 g |
Wgt Origin (USA) | USA |