Main Page | See live article | Alphabetical index A scintillometer measures ionizing radiation. The sensor is a crystal that fluoresces when ionizing radiation hits it. A sensitive photocell measures the light from the crystal. The photocell is attached to an electronic amplifier and possibly other electronic equipment. Scintillometers are the most sensitive known radiation detectors. See also radiation, Geiger counter and dosimeter. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.