CIPM - SI Reference Point
- Units
Lists the named SI units
- Prefixes
Lists the SI prefixes
- Defining Constants
Returns the defining constants of the SI
- Decisions
Returns the decisions of the CGPM and the CIPM bearing directly upon definitions of the units of the SI, prefixes defined for use as part of the SI, and conventions for the writing of unit symbols and numbers.
Quantities
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This service provides PIDs for the kinds of quantity included in the SI Brochure and the KCDB, including a parsing tool for the PID and semantic model for compound quantities, and shows the related Service Categories in the KCDB.
- Quantities
Lists the kinds of quantity included in the KCDB.
- Quantity expressions
A parsing tool to provide the PID and semantic model for compound quantities.
- Service Categories
This service shows the related service categories (KCDB) by quantity.
KCDB CMCs
- This service returns the KCDB record for a given Calibration and Measurement Capability (CMC) identifier.
- KCDB Service Categories
- This service provides information about CMC service categories in the following Metrology Areas:
- AUV
Acoustics, Ultrasound and Vibration
- EM
Electricity and Magnetism
- L
Length
- M
Mass and Related Quantities
- PR
Photometry and Radiometry
- T
Thermometry
- TF
Time and Frequency
- RI
Ionizing Radiation
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Nuclides Service