What Is a Pyranometer?
A what is pyranometer is a scientific instrument designed to measure solar radiation flux density from a hemispherical field of view. It plays a critical role in meteorology, climatology, solar energy systems, and agricultural research.
How Does a Pyranometer Work?
Pyranometers operate based on the thermoelectric effect. They use a blackened surface that absorbs solar radiation, causing a temperature difference between the surface and the instrument body. This generates a voltage signal proportional to the solar irradiance.
Key Applications and Uses
These devices are essential for monitoring and optimizing solar panel performance, weather forecasting, and environmental research. Accurate solar radiation data helps in efficient energy harvesting and climate studies.
Frequently Asked Questions
What units does a pyranometer measure in?
Pyranometers measure irradiance in watts per square meter (W/m²).
How is it different from a pyrheliometer?
While pyranometers measure global solar radiation, pyrheliometers specifically measure direct beam radiation.
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