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ASTM E913-82(1999)
Standard Method for Calibration of Reference Pyranometers With Axis Vertical by the Shading Method (Withdrawn 2005)
STANDARD published on 10.6.1999
The information about the standard:
Designation standards: ASTM E913-82(1999)
Note: WITHDRAWN
Publication date standards: 10.6.1999
SKU: NS-48456
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM E913-82(1999) :
Keywords:
Calibration-nuclear analysis instrumentation, reference pyranometers with axis vertical (by shading method), test,, Irradiance/irradiation-solar, Pyranometer method, Pyrheliometers, Radiation exposure-solar collectors/analysis, Shading method, Solar collectors, Solar spectral irradiance, calibration of reference pyranometers with axis vertical by vertical (by, shading method), test, ICS Number Code 27.160 (Solar energy engineering)
Additional information
| 1. Scope |
|
1.1 This method covers the calibration of reference pyranometers with field angles of 180° (2[pi] steradians) utilizing self-calibrating absolute cavity pyrheliometers having field angles of 5.0° and slope angles of 0.75 to 0.8° as the primary reference instrument. 1.2 This method is applicable to reference pyranometers regardless of the radiation receptor employed. 1.3 Two types of calibrations are covered: (1) Type I employs a self-calibrating absolute cavity pyrheliometer, and (2) Type II calibrations employ a secondary reference pyrheliometer as the standard instrument. 1.4 This standard calibration of reference pyranometers covers the sensitive element in the horizontal plane only, that is, with the axis vertical. The calibration of reference pyranometers at various tilt angles is covered in another ASTM standard (see Section 2.). 1.5 This method is only applicable to calibration procedures using light from the sun. |
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