Product Description
The METTLER TOLEDO ASTM Class 1 Master Weight Set represents the highest echelon of mass standards, providing unparalleled precision from 1 milligram to 500 grams. This comprehensive 24-piece set is engineered for national metrology institutes, accredited calibration laboratories, and industries where the smallest measurement uncertainty is critical, serving as a primary reference for the most demanding verification tasks.

Key Features & Advantages:

• ASTM Class 1 Precision Across Maximum Range: Combines the tightest tolerance grade with an extensive 1mg to 500g capacity, creating an all-in-one master set capable of servicing and calibrating the entire spectrum of high-accuracy analytical, precision, and semi-industrial balances.

• Reference-Grade Material Specifications: Manufactured to the highest metrological standards with low magnetic susceptibility (X ≤ 0.03) and controlled density, ensuring minimal environmental interference and making it suitable for use as a primary or secondary reference standard.

• Robotic Manufacturing for Inherent Excellence: Produced in a state-of-the-art automated facility, each weight guarantees exceptional dimensional stability, surface finish, and mass consistency, providing a flawless foundation for any calibration hierarchy.

• Full Sealed Cavity Design: Every weight features a sealed adjusting cavity, offering superior protection against contaminants and guaranteeing long-term mass stability—a critical requirement for assets used infrequently as ultimate references.

• Core Asset for Metrology and Accreditation: Delivered without a certificate to reduce initial cost, this set is the ideal acquisition for laboratories that perform their own accredited calibrations or will obtain certification traceable to their specific national standards.

Technical Specifications:

Brand: METTLER TOLEDO
Model: WGT SET,1MG-500G,CL1,WO/CERT
Product No.: 11124006
ASTM Class: 1
Material: 316 Stainless Steel
Design: Adjusting cavity
Density (ρ): 7950 (± 140) kg/m³
Magnetic Susceptibility (X): ≤ 0.03
Calibration Certificate: No
Storage Case: Plastic box (included)
Set Composition: 24 pieces (1mg to 500g)

Ideal For:
National measurement institutes, ISO/IEC 17025 accredited calibration labs, pharmaceutical metrology, aerospace and defense manufacturing, and as a corporate master standard for multinational quality programs.

Why Choose This Class 1 Master Set?
It is the definitive investment in measurement integrity, offering METTLER TOLEDO's supreme Class 1 accuracy across the widest practical laboratory range, designed exclusively for establishing and maintaining the highest levels of traceable precision.

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