500 g Calibration Weight Set, ASTM Class 5

Key Highlights

• Designed to meet NIST Handbook 44 and ASTM E617-23 Class 5 tolerances.

• Stainless steel construction for durability and corrosion resistance.

• Sealing cavity for adjustment on most weights in the set.

• Nominal value clearly marked on each weight.

• Ideal for use as field standards for Class III scales or balances.

• Suitable for testing non-classified scale equipment and tolerance checking.

This calibration weight set is engineered to serve as a dependable field standard for technicians and quality control personnel. Its compliance with NIST Handbook 44 and ASTM E617-23 standards ensures that the weights are suitable for the legally-for-trade verification of Class III devices, as well as for the routine performance testing of non-classified industrial and commercial scales. The set provides a practical, traceable method for tolerance checking, helping to identify measurement drift and maintain operational compliance.

Constructed from stainless steel, the weights offer long-term stability and resistance to environmental factors encountered in field use. Each weight features a clearly marked nominal value for easy identification and is equipped with a sealing cavity. This design allows for precise adjustment to meet exact mass specifications and provides a means to secure the adjustment material, safeguarding the weight's calibrated value against tampering or contamination during transport and use.

Secure your essential calibration standard from an authorized Rice Lake dealer. Contact our team today to request pricing, confirm availability, or speak with a calibration specialist for your laboratory or metrology requirements.

Free shipping: To the 48 contiguous states (residential, farm and rural deliveries may carry a carrier surcharge).
Ship date: Rice Lake Weighing Systems products ship on the maker's own lead time; we confirm the date when you order, or call 844-735-5386 before you buy.
Tracking: Emailed the moment your order ships.
Questions: (844) 735-5386 or info@selletonscales.com.