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Balance Calibration Weights

Balance calibration weights are essential for ensuring the accuracy and precision of analytical and precision balances. These weights come in various classes, such as ASTM, OIML, and ANSI/ASTM E617, which denote their levels of accuracy and suitability for different calibration tasks.

Key Features:

Material: Typically made from high-quality stainless steel, these weights exhibit low magnetic susceptibility, high stability, and resistance to corrosion. For example, Troemner’s UltraClass weights are precision-crafted with a highly polished finish, ensuring long-term accuracy and durability.

Classes and Tolerances: Calibration weights are available in different classes, each indicating a specific level of tolerance. UltraClass weights, for instance, offer tolerances 50% greater than ANSI/ASTM E617 Class 1 standards, making them suitable for the most precise measurements.

Design: Weights below 5 kg are typically cylindrical, ensuring easy stacking and handling. Heavier weights (5 kg to 30 kg) feature a grip-handle design to facilitate manipulation. Weights from 10 g to 500 g are usually straight cylinders with an adjusting cavity at the bottom, while weights from 1 kg to 5 kg have a groove near the top for better handling.

Calibration and Adjustment: These weights include an adjusting cavity filled with the same material to maintain stability over time. This feature allows for precise adjustments during future calibrations, ensuring continued accuracy.

Protective Cases: Weights up to 5 kg are supplied in protective cases to prevent damage and contamination, which is critical for maintaining their accuracy and longevity

Balance Calibration Weights

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