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Research publications
Explore our online library of scientific publications
Calibration Laboratory Assessment Service (CLAS)
Explore the benefits of obtaining a CLAS Certificate
Instrument calibration and measurement services
Discover our calibration and measurement services
Canada's official time
Learn about our timekeeping systems
Certified reference materials (CRMs)
Explore our catalogue of traceable CRMs
Glow Discharge Mass Spectrometry (GD–MS) analysis
Discover our world-leading GD–MS facility
Why work with us
We have extensive scientific expertise in calibration and measurement. Working in high-performance laboratories and facilities, our experts tackle a broad range of measurement challenges, drive innovation and provide first-rate metrology capabilities.
We provide accurate, traceable measurements that define the national standard and are trusted and recognized internationally. We offer primary measurement services in established and emerging areas of metrology, including instrument calibration, chemical purity analysis and certified reference materials.
Our metrology expertise
Our metrology expertise
Aerosol and gas
Our experts research and develop new measurement capabilities and provide services for traceable aerosol and gas measurements
Biotoxin
Our experts develop cutting-edge analytical methods for measuring toxins produced by marine and freshwater algae
Dimensional metrology
The team provides accurate measurements of size and shape traceable to the SI units for length and angle
Electrical power measurements
The team maintains and develops primary standards for electrical power quantities
Electrical standards
The team realizes electrical units of measure and provides calibration services to national and international clients
Frequency and time
The team develops primary and secondary frequency standards, critical for realizing and disseminating UTC and the SI second
Inorganic chemical metrology
The team advances measurement techniques for the isotopic analysis of elements and produces certified reference materials
Mass and related quantities
The team develops, maintains and disseminates primary standards in mass, density, volume, pressure, acoustics, ultrasound and vibration
Medical and industrial dosimetry
Our experts conduct research related to the measurement of ionizing radiation
Nanoscale measurement
The work of our experts gives us a better understanding of new nanomaterials and facilitates their adoption
Organic chemical metrology
The team advances chemical analysis techniques in emerging areas and produces certified reference materials
Photometry and spectrophotometry
The team conducts research related to both optical radiation and optical spectroscopy measurements
Radiation, environment and security
The team conducts research related to ionizing radiation, focusing on personal and environmental radiation protection, radionuclide quantification, safety and security
Thermometry and radiometry
The team realizes the scales of temperature, optical power, primary spectral irradiance and humidity



