Product Description
The METTLER TOLEDO ASTM Class 1 Analytical Reference Set is a premium calibration standard specifically engineered for the most demanding analytical and micro-balance applications. Focusing on the critical 10-milligram to 50-gram range, this 16-piece set delivers the supreme accuracy of ASTM Class 1 tolerances, making it an ideal primary reference for laboratories where measurement uncertainty at the analytical level must be minimized.

Key Features & Advantages:

• Optimized ASTM Class 1 Precision for Analytical Work: Provides the highest level of mass accuracy precisely where it matters most—for calibrating sensitive analytical and semi-micro balances—ensuring data integrity in quantitative analysis, formulation, and compliance testing.

• Enhanced Metrological Properties for Sensitive Environments: Features superior material specifications, including low magnetic susceptibility (X ≤ 0.03), to reduce potential interference in modern analytical balances with magnetic force restoration or inductive sensors, guaranteeing reliable performance.

• Robotic Manufacturing for Microgram Confidence: Produced using automated robotic systems, each weight achieves exceptional geometric and surface consistency, providing the inherent accuracy required for trustworthy calibration at the sub-gram and milligram levels.

• Sealed Cavity Design for Pristine Standards: The sealed adjusting cavity protects against dust and contamination, ensuring the long-term stability of these high-value reference masses, which are often used infrequently but must remain perfectly reliable.

• Cost-Effective Reference for Accredited Labs: Supplied without a certificate, this set offers significant value for ISO/IEC 17025 accredited laboratories that perform in-house calibration of their working standards or require custom traceability to their specific national measurement institute.

Technical Specifications:

Brand: METTLER TOLEDO
Model: WGT SET,10MG-50G,CL1,WO/CERT
Product No.: 11124014
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: 16 pieces (10mg to 50g)

Ideal For:
Pharmaceutical QC/R&D laboratories, chemical analysis labs, forensic metrology, accredited calibration labs specializing in analytical balances, and as a master set for generating in-house working standards.

Why Choose This Class 1 Analytical Reference Set?
It delivers METTLER TOLEDO’s highest precision grade in a purpose-built analytical range, offering a pristine set of reference standards for laboratories that demand the ultimate in accuracy for their most sensitive weighing instruments and manage their own calibration traceability.

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