1.1 This test method covers a procedure for the determination of a spectral mismatch parameter used in the testing of photovoltaic devices.
1.2 The spectral mismatch parameter is a measure of the error, introduced in the testing of a photovoltaic device, caused by mismatch between the spectral responses of the photovoltaic device and the photovoltaic reference cell, as well as mismatch between the test light source and the reference spectral irradiance distribution to which the photovoltaic reference cell was calibrated. Examples of reference spectral irradiance distributions are Tables E 490, E 891, or E 892.
1.3 The spectral mismatch parameter can be used to correct photovoltaic performance data for spectral mismatch error.
1.4 This test method is intended for use with linear photovoltaic devices.
1.5 There is no similar or equivalent ISO standard.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
1.7 The values stated in SI units are to be regarded as the standard.
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ASTM E973M-96, Standard Test Method for Determination of the Spectral Mismatch Parameter Between a Photovoltaic Device and a Photovoltaic Reference Cell [Metric] (Withdrawn 2005), ASTM International, West Conshohocken, PA, 1996, www.astm.orgBack to Top