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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
제품 상세 정보:
Place of Origin: CHINA
Model Number: Modern Weighing Inspection Systems
결제 및 배송 조건:
Minimum Order Quantity: 1 set
가격: 협상 가능
Packaging Details: Caron box
Delivery Time: 10-30days
Supply Ability: 2000 set per month
접촉
상세 제품 설명
제품: 현대 계량 검사 시스템에서 법적 계측의 역할 용량 범위: 1G-150kg
검증 척도 간격 (e): 0.1G-10G 스케일 간격 수 (N): 3,000-10,000
반복성: ≤1.0e 온도 범위: 0 ° C ~ 40 ° C
습도 범위: 15% 내지 85% RH 진동 저항: ≤0.2g rms
NTEP 클래스: III OIML 승인: y (b)
중간 규정 준수: 클래스 III 측정 캐나다: S.8
강조하다:

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automatic checking weigher inspection

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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

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팩스: 86-519-68781609

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