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Cairo University +20 2 35728232
Center of Hazard Mitigation, Environmental Studies and Research (CHMESR) Center of Hazard Mitigation, Environmental Studies and Research (CHMESR)
Calibration & Precision Instrumentation Department
الصفحات الرئيسية والفرعية (CMS Pages)

Calibration & Precision Instrumentation Department

Calibration of ambient air analyzers, calibration gas cylinders, and particulate monitors conforming to ISO/IEC 17025 standards.

Calibration & Precision Instrumentation Department
Calibration of ambient air analyzers, calibration gas cylinders, and particulate monitors conforming to ISO/IEC 17025 standards.

Calibration & Precision Instrumentation Department

The Calibration Department at CHMESR conducts all metrological calibration protocols for the continuous analyzers across Egypt's National Ambient Air Quality Network in technical partnership with the National Institute for Standards (NIS). The facility features integrated multi-gas dynamic calibrators, zero air generators, and flow standard calibrators conforming strictly to ISO/IEC 17025.

Strategic Vision of the Calibration Laboratory:

To serve as the primary national reference metrological hub delivering precision traceable calibration services with unmatched speed and guaranteed international traceability chains.

Core Responsibilities:

  • Designing, scheduling, and executing routine dynamic multi-point calibration programs across national monitoring stations.
  • Inspecting, testing, and calibrating air quality and emission instruments for industrial corporations and issuing certified calibration certificates.
  • Maintaining calibration routines for all testing laboratories according to ISO/IEC 17025 metrological standards.
  • Evaluating and verifying gas standards and dynamic dilution calibrators against primary reference standards.

Specialized Calibration Units:

  1. Real-time continuous gas analyzer calibration unit (CO, SO2, NOx, O3, H2S).
  2. Certified reference gas cylinder verification unit (Span & Zero calibration gases).
  3. Particulate monitor flow rate and sensor calibration unit (PM10 / PM2.5 flow standards).

Accredited Calibration & Metrology Units

Continuous Gas Analyzer Calibration
Criteria Gas Analyzers

Continuous Gas Analyzer Calibration

Multi-point dynamic calibration for criteria gas analyzers with rigorous metrological precision.
  • ±1% F.S.
Certified Reference Gas Verification
Reference Standards

Certified Reference Gas Verification

Traceability verification of zero and span reference gas cylinders via dynamic dilution systems.
  • NIST / NIS
Particulate Monitor Flow Calibration
Particulate Monitors

Particulate Monitor Flow Calibration

Precision volumetric flow calibration for PM10 and PM2.5 beta-gauges using certified reference flowmeters.
  • 16.67 L/min
ISO/IEC 17025 Calibration Certificates
Accreditation

ISO/IEC 17025 Calibration Certificates

Documenting metrological traceability chains and expanded measurement uncertainty under international accreditation.
  • ISO/IEC 17025

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