30 kg-1 mg Single Calibration Weight, ASTM Class 5

Key Highlights

• Designed to meet NIST Handbook 44 and ASTM E617-23 specifications.

• Stainless steel construction ensures durability and corrosion resistance.

• Class 5 tolerance provides the necessary accuracy for many calibration applications.

• Sealing cavity for adjustment on most weights to maintain certified mass value.

• Nominal value clearly marked on the weight for easy identification.

• Supplied as a single, traceable calibration weight.

This single calibration weight is a fundamental tool for establishing and verifying the accuracy of weighing instruments with high capacities. Its construction from high-grade stainless steel offers excellent stability and resistance to environmental factors that could compromise its mass value over time. The adherence to ASTM E617-23 Class 5 tolerance ensures it meets recognized standards for accuracy, providing confidence in your calibration processes.

Engineered for professional use, the weight includes a sealed adjustment cavity. This design allows authorized metrology technicians to make precise adjustments to bring the weight back to its exact nominal value if necessary, supporting long-term investment protection. The clear, permanent marking of its nominal mass simplifies inventory management and prevents misidentification in the lab or warehouse, streamlining daily operations and compliance documentation.

Get your precise calibration process started with this industry-standard weight. 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.