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Geiger Counter Comparison - October 2025
| 1 Best Choice  9.7Exceptional | 2 Best Value  9.6Exceptional | 3  9.5Excellent | 4  9.3Excellent | 5 9.2Excellent | 6  9.1Excellent | 7  9.0Excellent |
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ModelSmart Geiger Counter Radiacode-102 with Free Mobile App. Nuclear Radiation Detector | Model GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter | Model Nuclear Radiation Detector GQ GMC-800 USA Design Product US National Standard Large Color LCD Display 5 Alarm Types Dosimeter Data Save & Global Share Beta Gamma X-ray Portable Multifunction Device | Model Geiger Counter Nuclear Radiation Detector - FNIRSI Radiation Dosimeter with LCD Display, Portable Handheld Beta Gamma X-ray Rechargeable Radiation Monitor Meter, 5 Dosage Units Switched | Model Nuclear Radiation Detector GQ GMC-800 Geiger Counter USA Design Product US National Standard Large Color LCD Display 5 Alarm Types Dosimeter Data Save & Global Share Beta Gamma X-ray Portable Device | Model Geiger Counter Nuclear Radiation Detector,CHNADKS Upgraded d Personal Dosimeter,Beta Gamma X-ray Portable Handheld Radiation Monitor,Battery Powered (0.08uSv – 50mSv) | Model Sooguard Geiger Counter Nuclear Radiation Detector - Portable Handheld Beta Gamma X-ray Radiation Monitor Meter, Nuclear Wastewater, Seafood Detection Radiation Dosimeter with LCD Display,Rechargeable |
BrandRadiacode | Brand GQ | Brand GQ | Brand FNIRSI | Brand GQ | Brand CHNADKS | Brand Sooguard |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews | Reviews |
Tech Specs | ||||||
product dimensions5.71 x 4.13 x 1.38 inches 0.32 ounces | product dimensions 4.75 x 2.75 x 0.75 inches 8.15 ounces | product dimensions 2.75 x 4.92 x 0.59 inches 2.36 ounces | product dimensions 5 x 2 x 1 inches 0.71 ounces | product dimensions 2.75 x 4.92 x 0.59 inches 9.14 ounces | product dimensions 4.25 x 0.6 x 0.6 inches 3.17 ounces | product dimensions - |
batteries1 Lithium Polymer batteries required. included | batteries 1 Lithium Ion batteries required. included | batteries 1 Lithium Ion batteries required. included | batteries - | batteries 1 Lithium Ion batteries required. included | batteries 1 Lithium Ion batteries required. included | batteries 1 Lithium Ion batteries required. included |
Available On  | Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1RadiacodeSmart Geiger Counter Radiacode-102 with Free Mobile App. Nuclear Radiation Detector
Why we love it
Highly sensitive to radiation.
Supports mobile and PC apps.
Excellent customer service.
Main highlights- UP TO SEVEN ALARM MODES: two adjustable sound levels, LED indicator, vibration and three app-based sound and vibration alerts, measurements in CPS, CPM, μSv/h, μR/h, classic Geiger clicks, transflective blue-backlit display, gamma, X-ray and hard beta detection
- RADIATION MAPPING – real-time radiation maps in your Radiacode mobile application with GPS-logged CPS and µSv/h readings, color-coded levels on online Google Maps or offline Open Street Maps, you can save and share your tracked routes
- NUCLEAR ISOTOPE VISUALIZATION: Just imagine; it doesn’t just show there’s radiation — it helps you interpret which isotope is likely emitting it. Cs-137, Ra-226, Th-232, U-238, and many more. Spectral resolution (FWHM): 9.4% (+/- 0.4%).
- GAME-CHANGING DETECTION SPEED - measures up to 20 times faster than regular devices; crucial when you are on the move; makes you 20 times less likely to miss a radioactive spot; reference count rate 1 μSv/h = 30 cps on Cs-137
- FREE MOBILE AND DESKTOP APPS: access advanced features: dose rate graphs, spectrum analysis, radiation GPS tracking, spectrogram, event logs and food analyzer on iOS, Android, macOS and Windows with free continuous updates
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9.6
2GQ26% Off
GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter
Why we love it
Continuous real-time monitoring.
Great for hobbyists and collectors.
User-friendly and intuitive.
Main highlights- Rechargeable battery last longer
- Real-time data logging every second into internal memory.
- History data can be downloaded to computer
- Free data Viewer PC software
- Dosimeter mode, CPM count mode, Graph mode
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9.5
3GQ
Nuclear Radiation Detector GQ GMC-800 USA Design Product US National Standard Large Color LCD Display 5 Alarm Types Dosimeter Data Save & Global Share Beta Gamma X-ray Portable Multifunction Device
Why we love it
Quick and precise readings.
Portable for outdoor use.
Easy navigation for all users.
Main highlights- 【User Friendly Interface UI】Shorten learning curve, easy- to-navigate. The larger clear TFT color LCD display. Fast speed, immediate reading. Main screen simultaneously show reading in dosimeter units. User selectable color change scheme, customized light/dark mode for user preferences & visual comfort; Graphic, large font mode.
- 【The measurement accuracy】is ensured via compliant design meets USA national standard (NIST & NRC). The calibration is done to further strengthen the accuracy and data quality. Easy access rechargeable & replaceable battery. Type C data transfer & charging cable. Light, thin & anti-drop. Handheld, stand on both sides, or lay down at the surface.
- 【Nuclear radiation detector】GQ GMC-800 is the latest upgraded model of USA GQ Electronics Geiger Counters. Portable, personal & group use. Detect ionizing nuclear radiation Beta, Garma, X-ray. Quick, sensitive, precise & Easy-to-use. Simply power-on, reading instantly shows at screen. One press shortcut key transit among four function screens. Readable under the sun, suitable indoor & outdoor.
- 【Multifunctional】Traditional Geiger counter function to find the instantaneous radiation flux on a location/spot; Real-time & timeframe measuring function to display radiation data; Dosimeter function to obtain the real-time & accumulated radiation on human body; Radiation monitoring function to monitor radiation over time at a location.
- 【Five types of radiation alarms】Visual LED, Audio, Vibration, Voice. Four alarm types provide everyone including vision-impaired & hearing-impaired users. The alarm level threshold can be set by users. Exclusive Advanced Features are integrated in. Built-in Clock, Memory for data storage up to 10 years. Free data processing software & firmware updates & open protocol & online data storage & history data preview. Navigate menu & submenu to explore.
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Value for money
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