---
product_id: 503840024
title: "GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter"
brand: "gq"
price: "$234.10"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/503840024-gq-gmc-300s-digital-nuclear-radiation-detector-monitor-meter-geiger
store_origin: US
region: United States of America
---

# Visual real-time graph & data playback Long-lasting rechargeable battery 1-second real-time data logging GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter

**Brand:** gq
**Price:** $234.10
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay ahead of invisible threats with precision and style!

## Quick Answers

- **What is this?** GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter by gq
- **How much does it cost?** $234.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/503840024-gq-gmc-300s-digital-nuclear-radiation-detector-monitor-meter-geiger)

## Best For

- gq enthusiasts

## Why This Product

- Trusted gq brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Power Through Your Day:** Rechargeable lithium-ion battery ensures extended use without interruptions.
- • **Data at Your Fingertips:** Seamlessly download and analyze radiation history with free PC software.
- • **Smart & Portable Design:** Compact, lightweight, with LED indicators and speaker control for on-the-go precision.
- • **Instant Radiation Insights:** Logs radiation data every second for unmatched real-time monitoring.
- • **Versatile Monitoring Modes:** Switch effortlessly between dosimeter, CPM count, and graph modes for tailored readings.

## Overview

The GQ GMC-300S is a cutting-edge digital Geiger counter designed for professionals demanding precise, real-time radiation monitoring. Featuring 1-second interval data logging, rechargeable battery power, and versatile display modes, it offers seamless data download and analysis via dedicated PC software. Compact and user-friendly, it’s ideal for industrial, scientific, and environmental applications where accuracy and reliability are non-negotiable.

## Description

The GQ gmc-300S digital Geiger counter is the latest general purpose Geiger Counter. It is developed by GQ Electronics LLC, USA.  As an enhanced version of GMC-300E Plus, it has higher sensitivity to facilitate a lower level radiation detection. It also has LCD contrast control, front LED indicator, analog data port output, new graphic display, speaker on/off features. This product can be used for industrial, commercial or Test equipment, such as universities, laboratories, environment evaluation measurement, hospital research, scientific analytical applications, antique evaluation, building material testing research and so on. comparing to other brand products, the most prominent advantages of this product are: having most features and cost effective. It also has unique features, such as, record data first play it back later; open protocol for easy application integration; visualize real-time graph, data logging. portable and convenient with built-in audible and visual signals, it features automatic data recording. It is able to continually monitor the radiation and log the data each second into internal memory. When connected to a PC, GQ software can download the radiation history data to the computer and the user is able to analyze those data later. the device uses USB port for communication and power. The internal battery can be charged via wall adapter or car adapter. Using the adapters, continuous data monitoring is possible and no worry about batteries charge or any data loss. The main board has a real time clock for time related data logging purposes. the USB port communicates with GQ Geiger counter data viewer software.

## Features

- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | GQ |
| Manufacturer | GQ Electronics LLC |
| Model number | GMC-300S |
| Number of Memory Sticks | 1 |
| Item Weight | 222 g |
| Product Dimensions | 12.07 x 6.99 x 1.91 cm; 222 g |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Item model number | GMC-300S |
| Item Height | 0.75 Inches |
| Item Width | 2.75 Inches |
| Voltage | 220 Volts (AC) |
| Included Components | cable |
| Are batteries included? | Yes |
| Lithium battery energy content | 2.96 Watt Hours |
| Lithium Battery Packaging | Batteries contained in equipment |
| Lithium battery weight | 0.85 Grams |
| Number of lithium ion cells | 1 |

## Images

![GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter - Image 1](https://m.media-amazon.com/images/I/615ZNdooHgL.jpg)

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- GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-05*