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100 Solar Constant Irradiance Standard

100 Solar Constant Irradiance Standard
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100 Solar Constant Irradiance Standard - 1

OL 100 Solar Constant Irradiance Standard General The OL 100 is a high-intensity standard consisting of a 1000-watt, DXW, tungsten-halogen lamp mounted in a slip-cast, fused silica reflector. The source has an effective radiating area of 3 x 5 cm. At a distance of 40 cm, the total irradiance is on the order of one solar constant (approximately 136 mW/cm2). Uniformity tests performed on a number of these units show that the irradiance in the 2 specified direction over an area of 4 cm is uniform to ± 0.25%. The standards can be obtained with calibrations for total irradiance, spectral irradiance and illuminance. All calibrations are based on standards supplied by the National Institute of Standards and Technology (NIST). The following table lists the type of calibrations available and their corresponding model number: NOTE: In order to ensure consistent and reliable results, Gooch & Housego (Orlando) standards should only be used with current sources that possess a ramp current feature. Contact: orlandosales@goochandhousego.com As part of our policy of continuous product improvement, we reserve the right to change specifications at any time Bulletin 3 / Rev 7-11 Page 1 of 2

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100 Solar Constant Irradiance Standard - 2

OL 100 Solar Constant Irradiance Standard Optional Accessories Total Irradiance (nominal) Nominal Irradiance at 1000 nm Illuminance (nominal) Long Term Stability - OL 56 Lamp Holder - OL 63 Adjustable Lamp Holder Mount - OL 83A Programmable Current Source Spectral Irradiance Total Irradiance * Relative to NIST Standards Optional Accessories The instrumentation and technique used by Gooch and Housego to transfer calibrations from a standard of spectral irradiance to an uncalibrated lamp is patterned after that used at NIST. The measurement procedure employs the highly accurate...

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