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5.1 The methods described represent the preferable means for calibration of field radiometers employing standard reference radiometers. Other methods involve the employment of an optical bench and essentially a point source of artificial light. While these methods are useful for...
5.1 This test method provides a means for determining the specific optical density of the smoke generated by specimens of materials, products, or assemblies under the specified exposure conditions. Values determined by this test are specific to the specimen in the form and thickness tested and are...
4.1 UV-A lamps are used in fluorescent penetrant and magnetic particle examination processes to excite fluorophores (dyes or pigments) to maximize the contrast and detection of discontinuities. The fluorescent dyes/pigments absorb energy from the UV-A radiation and re-emit visible light when...
The UV radiometers considered in this document are restricted to those designed for the wavelength range from 200 nm to 400 nm, i.e. in the spectral bands of UV-A (315 nm to 400 nm), UV-B (280 nm to 315 nm) and part of UV-C (200 nm to 280 nm). The radiation to be measured is also restricted...
5.1 This test method provides a means for determining the specific optical density of the smoke generated by specimens of materials, products, or assemblies under the specified exposure conditions. Values determined by this test are specific to the specimen in the form and thickness tested and are...
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...
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...
5.1 UV-A and visible light sources are used to provide adequate light levels for liquid penetrant and magnetic particle examination. Radiometers and light meters are used to verify that specified light levels are available. 5.2 Fluorescence is produced by irradiating the fluorescent...
4.1 UV-A lamps are used in fluorescent penetrant and magnetic particle examination processes to excite fluorophores (dyes or pigments) to maximize the contrast and detection of discontinuities. The fluorescent dyes/pigments absorb energy from the UV-A radiation and re-emit visible light when...
1.1 This practice covers procedures for measuring and compensating for reflected temperature when measuring the surface temperature of a specimen with an infrared imaging radiometer.2 1.2 These procedures may involve use of equipment and materials in the presence of heated or electrically...
5.1 The transmittance of an attenuating medium can cause errors for an infrared thermographer using an infrared imaging radiometer to measure the temperature of a specimen through the medium. Three test methods are given for measuring and compensating for this error source. 5.1.1 A procedure...
1.1 This practice covers procedures for measuring and compensating for emissivity when measuring the surface temperature of a specimen with an infrared imaging radiometer.2 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this...
5.1 It is the intent of this test method to provide a recognized procedure for testing and reporting the electrical performance of a photovoltaic concentrator module or system. 5.2 If an inverter is used as part of the system, this test method can provide a dc or ac rating or both. The dc or ac...
This practice covers procedures for measuring and compensating for transmittance when using an infrared imaging radiometer to measure the temperature of a specimen through an attenuating medium, such as a window, filter, or atmosphere.2 The values stated in SI units are to be regarded as...
This practice covers procedures for measuring and compensating for reflected temperature when measuring the surface temperature of a specimen with an infrared imaging radiometer.2 These procedures may involve use of equipment and materials in the presence of heated or electrically energized...
This practice covers procedures for measuring and compensating for emissivity when measuring the surface temperature of a specimen with an infrared imaging radiometer. 2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard....
4.1 The pyranometer is a radiometer designed to measure the sum of directly solar radiation and sky radiation in such proportions as solar altitude, atmospheric conditions and cloud cover may produce. When tilted to the equator, by an angle β, pyranometers measure only hemispherical...
4.1 Though the sun trackers employed, the number of instantaneous readings, and the data acquisition equipment used will vary from instrument to instrument and from laboratory to laboratory, this test method provides for the minimum acceptable conditions, procedures, and techniques required. 4.2...
This International Standard specifies the light source and radiometer used in the performance evaluation of semiconducting photocatalytic materials used under an indoor lighting environment in a laboratory. A light source of an indoor lighting environment does not include the sunlight...
This test method covers the calibration of ultraviolet light-measuring radiometers possessing either narrow- or broad-band spectral response distributions using either a scanning or a linear-diode-array spectroradiometer as the primary reference instrument. For transfer of calibration from...
