general/electromagnetic-radiation-meters
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Net radiometer
Instrument for measuring the net radiation on Earth's surface
Nichols radiometer
Tool for measuring radiation pressure
Microwave power meter
Electrical test equipment
Radiometer
Device for measuring the radiant flux (power) of electromagnetic radiation
Photometer
Instrument to measure light intensity
Microwave radiometer
Tool measuring EM radiation at 0.3–300-GHz frequency
Pyrgeometer
Device which measures infra-red radiation