UV Irradiance Detectors. UV-37 series detectors are high sensitivity irradiance detectors for UV radiometric applications involving polychromatic optical radiation. Each detector is supplied with a diffuser window and shadow ring for a cosine corrected field-of-view.
International Organization. The term âInternational Organisationâ means any international organisation or wholly owned agency or instrumentality thereof. This category includes any intergovernmental organisation (including a supranational organisation) that is comprised primarily of governments;
IRS location sign on Constitution Avenue, Washington, D.C. The Internal Revenue Service (IRS) is the revenue service of the United States federal government. The government agency is a bureau of the Department of the Treasury, and is under the immediate direction of the Commissioner of Internal Revenue.