Olf (unit)
Encyclopedia : O : OL : OLF : Olf (unit)
- For other meanings of the word Olf, see OLF.
One olf is defined as the scent emission of an "average person", a sitting adult that takes an average of 0.7 baths per day and whose skin has a total area of 1.8 square metres; the scent emission of an object or person is measured by trained personnel comparing it to normed scents.
The olf should not be confused with the of scent imission (as opposed to emission), the decipol, which also takes into account the ventilation air flow.
Examples of typical scent emissions include:
| Person/object | Scent emission |
|---|---|
| Sitting person | 1 olf |
| Heavy smoker | 25 olf |
| Athlete | 30 olf |
| Marble | 0,01 olf/m2 |
| Linoleum | 0,2 olf/m2 |
| Synthetic fibre | 0,4 olf/m2 |
| Rubber gasket | 0,6 olf/m2 |
See also
References
- [Professor Ole Fanger]'s page at the Technical University of Denmark, includes curriculum vitae mentioning him proposing the unit called olf.
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