Class F1 10g Weight

• Calibrating high-precision laboratory balances, including analytical and semi-micro balances.
• Verifying the accuracy of industrial scales used in pharmaceutical and fine chemical production.
• Setting and checking the sensitivity of weighing instruments in quality control laboratories.
• Use as reference standards in metrology laboratories for inter-comparison and traceability.
• Ensuring compliance with regulatory standards requiring accurate weighing in various industries.

Weight Class

Typically Class F1, indicating high accuracy for precision applications.

Nominal Mass

This unit is 10g; other common nominal masses range from 1mg to 20kg for F1 class.

Material

Commonly high-grade stainless steel, offering good corrosion resistance and stability.

Construction

Often one-piece construction for stability and to prevent contamination, though some larger weights may have adjustment cavities.

Density

Typically around 7.9 g/cm³ for stainless steel weights, crucial for air buoyancy corrections.

Certification

Units of this type are commonly OIML (International Organization of Legal Metrology) certified, ensuring international standard compliance.

Packaging

Individual weights are typically supplied in protective wooden or plastic boxes to prevent damage and contamination.

• What does 'Class F1' signify for a calibration weight?

  Class F1 indicates a high-precision weight suitable for calibrating balances with a readability down to 0.01 mg to 0.001 mg. It offers a tighter tolerance than lower classes like F2 or M1.

• Why is the material (stainless steel) important for calibration weights?

• Is OIML certification necessary?

• How should calibration weights be handled and stored?

• Can this weight be used for balances with different readabilities?

Calibration weights and kits are essential for maintaining measurement accuracy across laboratories, biotech and pharmaceutical facilities. Buyers typically prioritise certified traceability, material quality and condition of surface finish when purchasing used sets. Industry sentiment favours equipment from established manufacturers with documented calibration history. Common strengths include durability and long operational lifespan when properly stored. When buying used, verify calibration certificates, inspect for corrosion or damage, and confirm all weights in the set are present and accounted for.

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