3 kg and 5 kg Range, Calibration Weight Set, ASTM Class 1

Key Highlights

• Designed to meet ASTM E617-23 specifications for Class 1 tolerances.

• Supplied as a single, serialized set for complete traceability.

• Constructed from durable, polished stainless steel for long-term stability.

• Ideal for the calibration of Class I and Class II balances.

• Available in 3 kg and 5 kg ranges to suit various capacity requirements.

• Custom set configurations are available as build-to-order items.

This precision weight set is engineered for metrology professionals who demand reliable calibration standards. Each weight is manufactured from high-grade stainless steel with a polished finish, ensuring superior corrosion resistance and durability for consistent performance over time. The set’s tolerances conform strictly to ASTM E617-23 standards for Class 1, making it suitable for critical calibration tasks, tolerance testing, and verification checks in regulated environments.

Primary applications include the calibration and verification of high-precision analytical and semi-analytical balances (Class I and II). The set is also an excellent reference for checking ASTM Class 4, 5, and 6 weights, serving as a higher-class standard. Its robust construction allows for use in educational settings for student laboratories, as well as for rough weighing operations where a reliable known mass is needed. Each set is serialized for traceability, with the serial number applied to the accompanying protective case.

Place your order for this essential calibration standard. 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.