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Portable Nuclear Radiation Detector GM Geiger Counter Tube β γ X-Ray Dosimeter

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1x Nuclear Radiation Detector. Detector: Energy Compensation GM Tube. Dose Equivalent Rate: 0.0-10000μSv/h(10mSv/h). Cumulative Dose Equivalent: 0.00μSv-500.0mSv. 1x User Manual.

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