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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	Troemner UltraClass
Internal Calibration Certificate	Traceable Certificate
Construction	1 g and above are two-piece; 500 mg and below are one-piece
Density at 20°C	Below 2 kg are 8.03 g/cm3; 2 kg and above are 7.95 g/cm3
Dimensions	11.7 in x 19.7 in x 24.6 in (29.718 cm x 50.038 cm x 62.484 cm) (LxHxW)
Protective Case	Included
Set Capacity	90 kg
Set Contents	(2) 2 g; (2) 200 g; 20 kg; 10 g; (2) 20 g; 100 g; 10 kg; 1 g; 30 kg; 50 g; (2) 2 kg; 5 g; 1 kg; 500 g; 5 kg
Set Total Pieces	19
Weight Material	≥2 kg are 316 Stainless Steel; Below 2 kg are Troemner Alloy
Weight Set Range	30 kg - 1 g
Wgt Origin (USA)	USA