SR05-D1A3-PV manual v1801 10/83
The recommended calibration interval of pyranometers is 2 years. The registers
containing the applied sensitivity and the calibration history of the digital versions of
SR05 are accessible for users with a password. This allows the user to choose his own
local calibration service. The same register access may also be used for remotely
controlled re-calibration of pyranometers in the field. Ask Hukseflux for information on
this feature and on ISO and ASTM standardised procedures for field calibration.
The ASTM E2848 “Standard Test Method for Reporting Photovoltaic Non-Concentrator
System Performance” (issued end 2011) confirms that a pyranometer is the preferred
instrument for PV system performance monitoring. SR05 pyranometer complies with the
requirements of this standard. For more information, see our pyranometer selection
guide.
WMO has approved the “pyranometric method” to calculate sunshine duration from
pyranometer measurements in WMO-No. 8, Guide to Meteorological Instruments and
Methods of Observation. This implies that SR05 may be used, in combination with
appropriate software, to estimate sunshine duration. This is much more cost-effective
than using a dedicated sunshine duration sensor. Ask for our application note.
All SR05 versions should be used in accordance with the recommended practices of ISO,
WMO and ASTM.
See also
• view our complete range of sensors
• PMF01 pyranometer mounting fixture, compatible with SR05 ball levelling
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