pyrheliometers
/ˌpɪrˌhiliˈɑmɪtərz/
noun
- Plural of pyrheliometer; instruments used to measure the intensity of direct solar radiation.
- The lab acquired several new pyrheliometers for the climate study.
- Different types of pyrheliometers are used in various solar research projects.
- Pyrheliometers must be calibrated regularly to ensure accurate readings.