| unit | indicates the units used for the measurement, usually
      using the standard symbol for the desired units.| Zustand  | Optional |  | Datentyp  |  |  | Empfohlene Werte sind: | - m
 -  (metre) SI base unit of length
 - kg
 -  (kilogram) SI base unit of mass
 - s
 -  (second) SI base unit of time
 - Hz
 -  (hertz) SI unit of frequency
 - Pa
 -  (pascal) SI unit of pressure or stress
 - Ω
 -  (ohm) SI unit of electric resistance
 - L
 -  (litre) 1 dm³
 - t
 -  (tonne) 10³ kg
 - ha
 -  (hectare) 1 hm²
 - Å
 -  (ångström) 10⁻¹⁰ m
 - mL
 -  (millilitre) 
 - cm
 -  (centimetre) 
 - dB
 -  (decibel) see remarks, below
 - kbit
 -  (kilobit) 10³ or 1000 bits
 - Kibit
 -  (kibibit) 2¹⁰ or 1024 bits
 - kB
 -  (kilobyte) 10³ or 1000 bytes
 - KiB
 -  (kibibyte) 2¹⁰ or 1024 bytes
 - MB
 -  (megabyte) 10⁶ or 1 000 000 bytes
 - MiB
 -  (mebibyte) 2²⁰ or 1 048 576 bytes
 
  |  
  | 
| quantity | specifies the number of the specified units that
      comprise the measurement | 
| commodity | indicates the substance that is being measured| Zustand  | Optional |  | Datentyp  |  1–∞ Vorkommen von   <rng:ref name="data.word"/>
 
data.word  Durch Leerzeichen getrennt |  
  |