Pyranometer | Wikipedia audio article

Описание: This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Pyranom...


00:00:43 1 Explanation
00:01:54 2 Classification of pyranometers
00:02:55 2.1 Thermopile pyranometers
00:04:01 2.1.1 Design
00:06:15 2.1.2 Usage
00:07:06 2.2 Photodiode-based pyranometer
00:07:54 2.2.1 Design
00:08:36 2.2.2 Usage
00:09:18 2.3 Photovoltaic pyranometer
00:11:02 2.3.1 Design
00:11:50 2.3.2 Usage
00:12:23 3 Standardization and calibration
00:12:41 3.1 Thermopile pyranometers
00:14:41 3.2 Photovoltaic pyranometers
00:15:23 4 Signal conditioning
00:16:49 5 See also



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SUMMARY
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A pyranometer is a type of actinometer used for measuring solar irradiance on a planar surface and it is designed to measure the solar radiation flux density (W/m2) from the hemisphere above within a wavelength range 0.3 μm to 3 μm. The name pyranometer stems from the Greek words πῦρ (pyr), meaning "fire", and ἄνω (ano), meaning "above, sky".
A typical pyranometer does not require any power to operate. However, recent technical development includes use of electronics in pyranometers, which do require (low) external power.