Check the listing for details. Nuclear Radiation Detector Geiger Counter Dosimeter Detect Marble Radioactivity. Condition: New. Listed at 109.90 USD. Nuclear Radiation Detector Geiger Counter Dosimeter Detect Marble Radioactivity Retail Portable Nuclear Radiation Detector Geiger Counter Tester Dosimeter Portable Size: This handheld nuclear radiation and electromagnetic radiation detector is portable in size and easy to carry, so you can put it in your bag and take it with you and grip it for use. 0.96 Inch TFT Display: This nuclear radiation detector features a large TFT display screen that allows you to read the detection data clearly and easily, and you can get results in time. Radiation Detect: The detector is used to measure X, γ and β rays radiation, it is optimal for measuring small changes in radiation levels, and has high sensitivity for most commonly used nuclides. Easy to Operate: The instrument features a G-M counting tube that enjoys a high flexibility and can measure the environmental backgrounds. The dose rate is measured in real-time, the cumulative dose and the AVG dose are displayed simultaneously, and it has a calibration function. Multifunctional Design: It also has an alarm feature with 3 types of alarm design, supporting sound, flashing light, vibrating alarm when over the limit ranges, and timely alarm to ensure safety use. Lithium Battery: Built-in rechargeable lithium battery, low consumption and support for repeat use, economical and practical. Wide Application: This radiation tester can be widely used in nuclear power plants, accelerators, the iron & steel industry, the chemical industry, isotope applications, radiology laboratories and ambient monitoring of nuclear facilities Colour:red/Black Material:aluminum alloy Package Contents: 1 x Portable Nuclear Radiation Detector