Dictionary
Derived quantity
A quantity in a system of quantities defined in terms of the base quantities of that system — speed, force, pressure. VIM (JCGM 200:2012…
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Dictionary
Derived unit
A measurement unit for a derived quantity, formed as a product of powers of base units — the newton (kg·m·s⁻²) or the…
Dictionary
System of units
A set of base and derived units, with their multiples and submultiples, defined under given rules for a given system of quantities. VIM (JCGM…
Dictionary
Sensitivity coefficient
The partial derivative ∂f/∂xᵢ of the measurement model with respect to an input quantity, evaluated at the estimates: it converts an input standard…
Documents
SOP 29 — Assignment of Uncertainty
…Scenario testing can be done to determine the impact and quantify specific variables on the final measured quantity. The knowledge gained in this step…
…Volume is derived from the mass of the mass standards, the density of pure water, appropriate air buoyancy corrections, and thermal and pressure expansion…