XR3 br-9c Handheld Nuclear Radiation Geiger Counter Marble Tester UK ❁UK

Nuclear radiation detection. Electromagnetic radiation detection. E 0-99.999 V/M (electric field strength). H 0-99.999 μT (magnetic field strength). E 0.01 V/M (electric field strength). H 0.001 μT (magnetic field strength).

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