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A phot (ph) is a photometric unit of illuminance, or luminous flux through an area. It is not an SI unit but rather is associated with the older centimetre–gram–second system of units. The name was coined by André Blondel in 1921.
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unit illuminance units si ph system photometric retrieved 2006-07-21 luminous flux area rather associated older centimetre gram second name coined
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Phot | SAE units | 929 fc | 1.00 | infobox |
| Phot | SI derived unit | 10000 lx | 1.00 | infobox |
| Phot | Symbol | ph | 1.00 | infobox |
| Phot | Unit of | Illuminance | 1.00 | infobox |
| Phot | Unit system | CGS units | 1.00 | infobox |
| Phot | see also | IlluminanceLumen | 0.60 | section |
| Phot | see also | LuxPhotometry | 0.60 | section |
| Phot | see also | Light | 0.60 | section |
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