20 kg - 1 mg Calibration Weight, ASTM Class 0

Key Highlights

• Designed to meet ASTM E617-23 specifications

• ASTM Class 0 accuracy for ultra-high precision calibration

• Supplied as a single calibration weight

• Case sold separately

• Polished stainless steel finish for maximum mass stability

• Weights are not individually marked with nominal value or serialized per ASTM E617-23

• Serial numbers applied to the case where applicable

• Intended for primary reference and high-precision laboratory use

The 20 kg – 1 mg Calibration Weight, ASTM Class 0 is engineered for the most demanding calibration environments requiring exceptional accuracy and stability. Designed in accordance with ASTM E617-23, this Class 0 calibration weight is suitable for use as a primary reference standard in controlled laboratory and metrology applications.

The weight features a polished stainless steel finish to support long-term mass stability and resistance to surface contamination. In compliance with ASTM requirements, Class 0 weights are not individually marked with their nominal value and are not serialized. Identification and traceability are maintained through serial numbers applied to the storage case, which is sold separately.

ASTM Class 0 calibration weights are commonly used for high-precision analytical balance calibration, reference mass standards, and laboratory traceability systems.

Specifications

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.