25 kg - 1 g Calibration Weight, ASTM Class 4 (Kit with Case)

Key Highlights

• Designed to meet ASTM E617-23 specifications.

• Nominal value is marked on weight and sold as an individual part.

• Supplied as a single weight packaged in a case with a glove.

• Constructed with a stainless steel polished finish.

• Serial numbers applied to case (weights may be marked with symbol).

• Density of 7.95 g/cm³.

This 25 kg calibration weight is engineered as a precise mass standard in compliance with ASTM E617 Class 4 tolerances. It serves as a fundamental tool for the performance verification and calibration of scales and balances, ensuring weighing equipment operates within its required parameters for quality assurance and process control.

The weight is applicable for calibrating Class I and II balances, conducting tolerance testing, and performing routine verification checks. Its robust construction also makes it suitable for student laboratory use and rough weighing operations where a durable, known mass is required. The included protective case and handling glove facilitate proper storage and safe manipulation, preserving the weight's surface finish and stated accuracy for long-term reliability.

Order your certified calibration mass 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.