Troemner ASTM Class 1-4 offer 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 certification or traceable certification to aid in meeting SOP and regulatory requirements.

Applications

Use Class 1 as a primary reference to calibrate other mass standards and for traceability between national mass standards and ASTM Class 2 weights and lower. Suitable for calibrating high-precision balances with readability as low as 0.1mg.

Construction

One-piece

Design Features

Knob style weights 50kg-1g are cylindrical with knob. Cal-Pak 5kg weight is a grip handle weight. Cylindrical style weights 1kg-5kg have groove. Cylindrical grip style weights 4kg-30kg have recessed grip. Cylindrical weights 10g-600g are straight cylinder.