Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Electrolytic conductivity in S/m | Absolute expanded uncertainty in S/m | Electrolytic conductivity in S/m | Absolute expanded uncertainty in S/m | |
aqueous solution | 0.15 to 0.5 | 8.0E-4 to 1.0E-3 | 0.15 to 0.5 | 8.0E-4 to 1.0E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
aqueous pH buffer | 9.5 to 10.5 | 5.9E-2 | 9.5 to 10.5 | 5.9E-2 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
aqueous pH buffer | 9.1 to 9.3 | 3.5E-2 | 9.1 to 9.3 | 3.5E-2 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Electrolytic conductivity in µS/cm | Absolute expanded uncertainty in µS/cm | Electrolytic conductivity in µS/cm | Absolute expanded uncertainty in µS/cm | |
aqueous solution | 200 | 1.1 | 200 | 1.1 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
aqueous pH buffer | 6.7 to 7 | 9.0E-3 | 6.7 to 7 | 9.0E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Electrolytic conductivity in µS/cm | Absolute expanded uncertainty in µS/cm | Electrolytic conductivity in µS/cm | Absolute expanded uncertainty in µS/cm | |
aqueous solution | 1000 | 3.3 | 1000 | 3.3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Electrolytic conductivity in µS/cm | Absolute expanded uncertainty in µS/cm | Electrolytic conductivity in µS/cm | Absolute expanded uncertainty in µS/cm | |
aqueous solution | 500 | 1.7 | 500 | 1.7 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
pH in | Absolute expanded uncertainty in | pH in | Absolute expanded uncertainty in | |
aqueous pH buffer | 4 to 4.2 | 7.0E-3 to 9.0E-3 | 4 to 4.2 | 7.0E-3 to 9.0E-3 |
Matrix or material | Dissemination range of measurement capability | Range of certified values in reference materials | ||
Electrolytic conductivity in mS/m | Absolute expanded uncertainty in mS/m | Electrolytic conductivity in mS/m | Absolute expanded uncertainty in mS/m | |
aqueous solution | 5 to 14.3 | 0.1 to 0.29 | 5 to 14.3 | 0.1 to 0.29 |
This metrology area covers the fields of acoustics, ultrasound and vibration.
This metrology area covers the fields of DC and AC measurements, impedance, electric and magnetic fields, radiofrequencies and measurements on materials.
This metrology area covers the fields of laser frequencies and dimensional metrology.
This metrology area covers the fields of mass standards, force, pressure, density, hardness, torque, gravity and viscosity.
This metrology area covers all fields relevant to chemistry and biology.
This metrology area covers the fields of dosimetry, radioactivity and neutron measurements.