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Open AccessArticle

A New and Inexpensive Pyranometer for the Visible Spectral Range

DIESIA, Escuela Politécnica Superior de la Universidad de Huelva, Ctra. Palos de la Ftra.-Huelva s/n, 21819, Palos de la Ftra. Huelva, Spain
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Sensors 2009, 9(6), 4615-4634; https://doi.org/10.3390/s90604615
Received: 20 May 2009 / Revised: 10 June 2009 / Accepted: 10 June 2009 / Published: 12 June 2009
(This article belongs to the Section Chemical Sensors)
This paper presents the design, construction and testing of a new photodiode-based pyranometer for the visible spectral range (approx. 400 to 750 nm), whose principal characteristics are: accuracy, ease of connection, immunity to noise, remote programming and operation, interior temperature regulation, cosine error minimisation and all this at a very low cost, tens of times lower than that of commercial thermopile-based devices. This new photodiode-based pyranometer overcomes traditional problems in this type of device and offers similar characteristics to those of thermopile-based pyranometers and, therefore, can be used in any installation where reliable measurement of solar irradiance is necessary, especially in those where cost is a deciding factor in the choice of a meter. This new pyranometer has been registered in the Spanish Patent and Trademark Office under the number P200703162. View Full-Text
Keywords: calibration; data acquisition; photodiode; pyranometer; solar irradiance; thermopile; visible spectral range calibration; data acquisition; photodiode; pyranometer; solar irradiance; thermopile; visible spectral range
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MDPI and ACS Style

Martínez, M.A.; Andújar, J.M.; Enrique, J.M. A New and Inexpensive Pyranometer for the Visible Spectral Range. Sensors 2009, 9, 4615-4634.

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