SE International, FRISKER, Radiation Alert Handheld Digital Radiation DetectorRadiation Alert® FriskerEasy to use, great general purpose radiation frisker for a wide array of applications. Ergonomic enclosure makes surveying people and objects a snap.The Radiation Alert® Frisker is a radiation contamination instrument that has been designed to meet the demands of today's radiation responder. By integrating the latest electronics with a proven and dependable Geiger-Mueller detector, S.E. International has created a rugged, ergonomic tool that addresses a number of radiological applications.IncludesDigital Radiation DetectorCarrying CaseProtective BootLanyardBatteriesDetectorHalogen-quenched GM tube with thin mica end window. Mica window density 1.5-2.0 mg/cm2. Effective diameter of window is 45 mm (1.77 in.). Side wall is .012 inch thick.Energy SensitivityDetects Alpha down to 2 MeV. Detects Beta down to .16 MeV; typical detection efficiency at 1 MeV isapprox. 25%. Detects Gamma down to 10 KeV through the detector window. 3340 CPM/mR/hr (137Cs). Smallest detectable level for 125I is .02 μCi at contact.Anti-SaturationReadout will OVERRANGE in radiation fields as high as 100 times the maximum reading.AlertPulsating beeper sounds the alert. Adjustable alert levels are used for μR/hr / CPM, and nSv/hr / CPS. DisplayBacklit liquid crystal display with mode indicators.Count LightRed LED flashes with each count.Audio IndicatorSounds with each count (can be switched off for silent operation)Protective boot fits most industry standard dose rate and compensation filters.