Product Description
The METTLER TOLEDO Custom 1 mg ASTM Class 1 Sheet Weight is a precision calibration accessory designed to expand an ASTM CarePac calibration set. This ultra-fine, sheet-form weight meets ASTM E617 Class 1 tolerances and is individually certified, making it essential for advanced balance performance tests such as minimum weight determination and precise sensitivity verification for analytical and micro balances in regulated laboratories.

Key Features & Advantages:
Critical for USP Minimum Weight Determination: This 1 mg weight is indispensable for performing the USP <41> and <1251> minimum weight test, allowing laboratories to accurately establish the smallest reliable sample mass for their specific high-precision balances.
ASTM Class 1 Accuracy for Regulated Environments: Manufactured to stringent ASTM Class 1 specifications with controlled magnetic susceptibility (X ≤ 0.03), providing the certified accuracy required for compliance in pharmaceutical, chemical, and accredited laboratory settings.
Sealed Knob Design for Long-Term Stability: Features a unique design that resists dust and moisture intrusion, and is polished to a high gloss, ensuring exceptional long-term stability and preserving its calibrated value.
Customizable Addition to Your CarePac: Serves as an optional "third weight," enabling laboratories to tailor their calibration set to specific testing protocols and balance requirements without purchasing a full set of weights.
Individually Certified with Advanced Calibration: Each weight is robotically calibrated and supplied with its own calibration certificate, ensuring the highest level of traceability and reliability for critical measurements.

Technical Specifications:
Brand: METTLER TOLEDO
Model: Custom 1 mg ASTM Class 1 Sheet Weight
Product No. / Material No.: 11123144
Weight: 1 mg (0.001 g)
Design: Sheet (Knob weight)
Material: 316 Stainless Steel
Density (ρ): 7950 (± 140) kg/m³
Magnetic Susceptibility (X): ≤ 0.03
Calibration: Supplied with calibration certificate
Storage: Included plastic box
Standard: ASTM E617 Class 1

Ideal For:
Pharmaceutical quality control and R&D labs, analytical research facilities, calibration service providers, and any laboratory requiring a certified, ultra-fine weight to perform rigorous balance qualifications, minimum weight tests, and high-sensitivity calibration in accordance with ASTM standards.

Why Choose this Custom 1 mg ASTM Weight?
It provides the certified precision necessary at the milligram level to meet stringent regulatory requirements and perform definitive balance performance tests, ensuring data integrity in the most sensitive analytical applications.

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