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    ASTM G183 - 15

    Standard Practice for Field Use of Pyranometers, Pyrheliometers and UV Radiometers

    Active Standard ASTM G183 | Developed by Subcommittee: G03.09

    Book of Standards Volume: 14.04


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    1. Scope

    1.1 This practice describes deployment conditions, maintenance requirements, verification procedures and calibration frequencies for use of pyranometers, pyrheliometers and UV radiometers in outdoor testing environments. This practice also discusses the conditions that dictate the level of accuracy required for instruments of different types.

    1.2 While both pyranometers and UV radiometers may be employed indoors to measure light radiation sources, the measurement of ultraviolet and light radiation in accelerated weathering enclosures using manufactured light sources generally requires specialized radiometric instruments. Use of radiometric instrumentation to measure laboratory light sources is covered in ISO 9370.

    Note 1: An ASTM standard that is similar to ISO 9370 is under development and deals with the instrumental determination of irradiance and radiant exposure in weathering tests.

    1.3 The characterization of radiometers is outside the scope of the activities required of users of radiometers, as contemplated by this standard.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E772 Terminology of Solar Energy Conversion

    G7 Practice for Atmospheric Environmental Exposure Testing of Nonmetallic Materials

    G24 Practice for Conducting Exposures to Daylight Filtered Through Glass

    G90 Practice for Performing Accelerated Outdoor Weathering of Nonmetallic Materials Using Concentrated Natural Sunlight

    G113 Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials

    ISO Standards

    ISO 877 Plastics--Methods of Exposure to Direct Weathering, Indirect Weathering Using Glass-Filtered Daylight and Indirect Weathering by Daylight Using Fresnel Mirrors Available from International Organization for Standardization (ISO), 1, ch. de la Voie-Creuse, CP 56, CH-1211 Geneva 20, Switzerland, http://www.iso.org.

    ISO 9060 Solar Energy--Specification and Classification of Instruments for Measuring Hemispherical Solar and Direct Solar Radiation

    ISO 9370 Plastics--Instrumental Determination of Radiant Exposure in Weathering Tests--General Guidance

    ISO TR 9901 Solar Energy--Field Pyranometers--Recommended Practice for Use

    WMO Reference

    World Meteorological Organization (WMO), 1983 Measurement of Radiation, Guide to Meteorological Instruments and Methods of Observation, seventh ed., WMO-No. 8, Geneva


    ICS Code

    ICS Number Code 17.240 (Radiation measurements)

    UNSPSC Code

    UNSPSC Code 60104814(Radiometer); 12131600(Pyrotechnics)


    Referencing This Standard

    DOI: 10.1520/G0183-15

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM G183-15, Standard Practice for Field Use of Pyranometers, Pyrheliometers and UV Radiometers, ASTM International, West Conshohocken, PA, 2015, www.astm.org

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