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The Role of Legal Metrology in Modern Weighing Inspection Systems

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The Role of Legal Metrology in Modern Weighing Inspection Systems

Model Number : Modern Weighing Inspection Systems

Place of Origin : CHINA

MOQ : 1 set

Price : Negotiation

Supply Ability : 2000 set per month

Delivery Time : 10-30days

Packaging Details : Caron box

Product : The Role of Legal Metrology in Modern Weighing Inspection Systems

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

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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)

The Role of Legal Metrology in Modern Weighing Inspection Systems

Product Tags:

legal metrology weighing systems

automatic checking weigher inspection

modern weighing inspection technology

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