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-the bureau of the Treasury Department responsible for tax collections. Internal Revenue Service. Department of the Treasury, Treasury Department, United States Treasury, Treasury-the federal department that collects revenue and administers federal finances; the Treasury Department was created in 1789.