Handheld Portable 2in1 Nuclear Radiation Electromagnetic Radiation Detector Household Laboratory Hospital Multi-function Marble Radioactive Geiger Counter Digital Large Screen Nuclear Radiation Detector with Dose Alarm Function FS2011 radiation individual alarm device is collocated with highly flexible Geiger counting pipes as detector; it is mainly responsible for monitoring the radiation of X, γ ray in various radioactive work areas; it is featured as swift response and broad measurement scope, it is able to display the dosage equivalent rate in the work area; it is widely applied in the individual safety protections monitor and radioactive indication for work personnel in the following fields: nuclear power plant, accelerator, iron & steel industry, chemical industry, isotope application, radioactive laboratory and surrounding environment monitor of nuclear facilities. Features: Portable Size: This handheld nuclear radiation and electromagnetic radiation detector with portable size and easy to carry, you can put it into your bag to carry with you and grip it e. Large Display Screen: This nuclear radiation detector adopt large LCD display screen for you to read the detecting data clearly and easily, you can get the results in time. Chinese and English operational interface switchable. Easy to Operate: The instrument enjoys a high flexibility and can measure the environmental background. Real-time measurement and display of dosage rate and accumulative dosage. Multifunctional Design: Permanent data storage upon power cutoff. Low power consumption and battery under-voltage indication function. Three Selective Alarm Modes: sound, light and vibration prompt. The instrument can preset the alarm value of dosage rate and accumulative dosage. Wide Applications: This radiation tester can be widely used in nuclear power plant, accelerator, iron & steel industry, chemical industry, isotope application, radioactive laboratory and surrounding environment monitor of nuclear facilities. Specifications: Material: plastics Power: 2 * AA battery or or charging batteries (NOT INCLUDED) Detection ray: X, γ rays Measurement scope: Dosage equivalent rate: 0.01~1000  μSv/h Energy scope: 50 keV~1.5 MeV ≤ ±30 % (as for 137 Cs I) Relative innate error: ≤ ± 15 % (137 CS 1mSv/h) Flexibility: 80 CPM/μSv/h (as for Co-60) Alarm value: Dosage rate: Selection among 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0, 50.0, 100.0μSv/h at disposal. Accumulative dosage: Selection among 0.05, 0.5, 1.0, 1.5, 2.0, 5.0, 10.0, 20.0, 50.0, 100.0 m Sv at disposal. Unit of dosage rate: μSv/h Measurement display: The dosage rate is displayed per second; the protections alarm response is less than 5 seconds. Utilization environment: Temperature: - 10℃ to + 45℃ Relative humidity: ≤95% (+ 45℃) Item size: 142 * 72 * 26mm / 5.59 * 2.83 * 1.02in Item weight: 185g / 6.53ounce Package size: 186 * 100 * 38mm / 7.32 * 3.94 * 1.50in Package weight: 293g / 10.34ounce Packing List: 1 * Radiation Detector 1 * Guideline