PQ
From WikiHIT
A Physical Quantity specializes QTY and is essentially composed of a value and a unit of measure.
[edit] components
- value is the numerical value of the measurement
- unit is the units used.
- translation provides the same value using another code/units system.
The unit of measure should conform to http://aurora.rg.iupui.edu/UCUM, although ISO+ is commonly used and shares essentially the same units.

