# photometer

> instrument that measures the strength of electromagnetic radiation in the range from ultraviolet to infrared and including the visible spectrum

**Wikidata**: [Q690868](https://www.wikidata.org/wiki/Q690868)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Photometer)  
**Source**: https://4ort.xyz/entity/photometer


## References

1. Freebase Data Dumps. 2013
2. Integrated Authority File
3. BabelNet
4. KBpedia
5. GF WordNet
6. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
7. Wikibase TDKIV