This part of IEC 60904 sets the requirements for calibration procedures intended to establish
the traceability of photovoltaic reference solar devices to SI units as required by IEC 60904-2.
This standard applies to photovoltaic (PV) reference solar devices that are used to measure the irradiance of natural or simulated sunlight for the purpose of quantifying the performance of PV devices. The use of a PV reference solar device is required in the application of IEC 60904-1 and IEC 60904-3.
This standard has been written with single junction PV reference solar devices in mind, in particular crystalline Silicon. However, the main part of the standard is sufficiently general to include other technologies. The methods described in Annex A, however, are limited to single junction technologies.
BS EN 60904-4:2009 Referenced Document
IEC 60904-2 Photovoltaic devices - Part 2: Requirements for photovoltaic reference devices*， 2023-06-19 Update
ISO 9059 Solar energy; calibration of field pyrheliometers by comparison to a reference pyrheliometer
ISO 9846 Solar energy; calibration of a pyranometer using a pyrheliometer
ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories [Standard in French]*， 2017-11-01 Update
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
BS EN 60904-4:2009 history
2010BS EN 60904-4:2010 Photovoltaic devices. Reference solar devices. Procedures for establishing calibration traceability
2010BS EN 60904-4:2009 Photovoltaic devices - Reference solar devices - Procedures for establishing calibration traceability