20 kg - 1 mg Calibration Weight, ASTM Class 0 (Kit with Case)

Key Highlights

• Designed to meet ASTM E617-23 specifications

• ASTM Class 0 accuracy for ultra-high precision calibration

• Supplied as a single calibration weight kit

• Packaged in a protective case or vial with handling glove

• Polished stainless steel finish for maximum mass stability

• Intended for primary reference and high-precision calibration use

• Suitable for laboratory and metrology applications
  
  

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 specifications, this Class 0 calibration weight is suitable for use as a primary reference standard in controlled laboratory conditions.

Each kit includes a single calibration weight supplied in a protective case or vial along with a glove to ensure proper handling and contamination control. The polished stainless steel finish supports long-term mass stability and resistance to surface contamination. In accordance with ASTM requirements, Class 0 weights do not bear nominal value markings or serialization, preserving their suitability for high-accuracy reference applications.

ASTM Class 0 calibration weights are commonly used for calibrating high-precision analytical balances and for maintaining traceability within laboratory mass standards programs.

Specifications

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