What is a Pyranometer?
A pyranometer is a scientific instrument designed to measure solar radiation flux density (W/m²) from a hemispherical field of view. It plays a critical role in meteorology, climatology, solar energy systems, and agricultural research.
How a Pyranometer is Used to Measure Solar Radiation
By utilizing a thermopile sensor, a pyranometer is used to measure the total amount of short-wave radiation received from the sun, both direct and diffuse. It outputs a voltage signal proportional to the solar irradiance, which is then converted into measurable data.
Key Applications and Industries
Pyranometers are essential in solar power plants for efficiency monitoring, in weather stations for climate studies, and in agriculture to optimize crop growth based on sunlight exposure.
Frequently Asked Questions
What units does a pyranometer use?
It measures irradiance in watts per square meter (W/m²).
How is it calibrated?
Calibration is typically done against a standard reference under clear sky conditions.
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