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The Role of Legal Metrology in Modern Weighing Inspection Systems

The Role of Legal Metrology in Modern Weighing Inspection Systems

  • The Role of Legal Metrology in Modern Weighing Inspection Systems
The Role of Legal Metrology in Modern Weighing Inspection Systems
Datos del producto:
Place of Origin: CHINA
Model Number: Modern Weighing Inspection Systems
Pago y Envío Términos:
Minimum Order Quantity: 1 set
Precio: Negociable
Packaging Details: Caron box
Delivery Time: 10-30days
Supply Ability: 2000 set per month
Contacto
Descripción detallada del producto
Producto: El papel de la metrología legal en los sistemas de inspección de pesaje modernos Rango de capacidad: 1G-150 kg
Intervalo de escala de verificación (e): 0.1G-10G Número de intervalos de escala (n): 3.000-10,000
Repetibilidad: ≤1.0e Rango de temperatura: 0 ° C a 40 ° C
Rango de humedad: 15% a 85% RH Resistencia a la vibración: ≤0.2g rms
Clase NTEP: III Aprobación de OIML: Y (b)
Cumplimiento medio: Clase III Medición de Canadá: S.8
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The Role of Legal Metrology in Modern Weighing Inspection Systems
Introduction to Legal Metrology in Industrial Weighing
Legal metrology forms the foundation of trustworthy weighing inspection systems in modern manufacturing and trade environments. As global supply chains become more complex and regulatory requirements more stringent, the integration of legal metrology principles into weighing systems has evolved from simple compliance to a strategic quality assurance imperative.
Core Principles of Legal Metrology in Weighing
1. Metrological Traceability
  • Definition: Unbroken chain of calibrations to national/international standards
  • Implementation:
    • NIST (USA), PTB (Germany), or NIM (China) traceable certification
    • ISO/IEC 17025 accredited calibration procedures
    • Documentation of measurement uncertainty budgets
Industry-Specific Implementations
Pharmaceutical Manufacturing
  • Critical Parameters:
    • USP <41> compliance for balances
    • 21 CFR Part 11 electronic records
    • Measurement uncertainty ≤0.1% of tolerance
  • Validation Protocol:
    • 3-point calibration (min, nominal, max)
    • 99.7% confidence level (3σ)
Retail Weighing Systems
  • Key Requirements:
    • Automatic price calculation verification
    • Zero-tracking within ±0.25e
    • Mandatory sticker printing accuracy
  • Inspection Frequency:
    • Initial verification
    • Annual surveillance
    • 2-year recertification
Parameter Specifications
Capacity Range 1g-150kg
Verification Scale Interval (e) 0.1g-10g
Number of Scale Intervals (n) 3,000-10,000
Repeatability ≤1.0e
Temperature Range 0°C to 40°C
Humidity Range 15% to 85% RH
Vibration Resistance ≤0.2g RMS
NTEP Class III
OIML Approval Y(b)
MID Compliance Class III
Measurement Canada S.8
The Role of Legal Metrology in Modern Weighing Inspection Systems 0

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SMARTWEIGH INSTRUMENT CO.,LTD

Persona de Contacto: Shirley

Teléfono: +86-15851932889

Fax: 86-519-68781609

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