Key Specifications

Weight

222 g

Battery

Lithium‑Ion

Memory

Yes

Modes

Dosimeter / CPM / Graph

Radiation

Beta / Gamma / X‑ray

Connectivity

USB

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1165 reviews

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GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter

Free Shipping

2-Year Warranty

30-Day Returns

Real-time data logging every second into internal memory.

History data can be downloaded to computer

Rechargeable battery last longer

Free data Viewer PC software

Dosimeter mode, CPM count mode, Graph mode

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