File:Fotometer.jpg · Wikimedia Commons · See Wikimedia Commons
نورسنج
Sign in to savethumb|A photometer A photometer is an instrument for measuring photometric quantities such as luminous flux, illuminance, or luminance.
Wikidata facts
- Subclass of
- optical instrument
Show 3 more facts
- described by source
- Internet Archive
- Commons category
- Photometers
- P13411
- Ivan Ukhov
Sources (2)
via Wikidata · CC0