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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
Détails sur le produit:
Place of Origin: CHINA
Model Number: Modern Weighing Inspection Systems
Conditions de paiement et expédition:
Minimum Order Quantity: 1 set
Prix: Négociable
Packaging Details: Caron box
Delivery Time: 10-30days
Supply Ability: 2000 set per month
Contact
Description de produit détaillée
Produit: Le rôle de la métrologie légale dans les systèmes d'inspection moderne Plage de capacité: 1g-150kg
Intervalle d'échelle de vérification (E): 0,1 g-10g Nombre d'intervalles d'échelle (n): 3 000 à 10 000
Répétabilité: ≤1,0e Plage de température: 0 ° C à 40 ° C
Plage d'humidité: 15% à 85% Rh Résistance aux vibrations: ≤0,2 g RMS
Classe NTEP: III Approbation OIML: Y (b)
Conformité moyenne: Classe III Mesure Canada: 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

Personne à contacter: Shirley

Téléphone: +86-15851932889

Télécopieur: 86-519-68781609

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