Best Geiger Counter

Peter | 05-01-2026

With numerous Best Geiger Counter brands to select from – including big names like GQ,POROMETISTO,CHNADKS,FNIRSI – picking the right product can feel overwhelming. But we’re here to simplify your search for the perfect Best Geiger Counter.

We thoroughly tested and evaluated a wide range of top Best Geiger Counter contenders to help you navigate the crowded market. Our stand-out favorite is GQ Best Geiger Counter for its unparalleled quality and top-tier features. Below you’ll discover more of our top-rated Best Geiger Counter picks currently available.

Make sure to consult our buying guide too for valuable insights on choosing the ideal product for your needs. It covers all the key factors when shopping for a Best Geiger Counter. With our research backing your decision, you can confidently invest in a Best Geiger Counter you’ll truly love.

Editor's Choice
GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter
GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter
Premium Pick
Nuclear Radiation Detector GQ GMC-800 Geiger Counter USA Design Product US National Standard Large
Nuclear Radiation Detector GQ GMC-800 Geiger Counter USA Design Product US National Standard Large
Budget Pick
POROMETISTO ND01 Geiger Counter Radiation Detector,Portable Radiation Detector for Beta
POROMETISTO ND01 Geiger Counter Radiation Detector,Portable Radiation Detector for Beta

Top 10 Best Geiger Counter

We researched and compared the top products in the Best Geiger Counter category to provide you with these recommendations.

1. Nuclear Radiation Detector GQ GMC-800 Geiger Counter USA Design Product US National Standard Large

  • Nuclear radiation detectorGQ 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.
  • MultifunctionalTraditional 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.
  • The measurement accuracyis 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.
  • Five types of radiation alarmsVisual 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.
  • User Friendly Interface UIShorten 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.

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

  • 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

3. POROMETISTO ND01 Geiger Counter Radiation Detector,Portable Radiation Detector for Beta

POROMETISTO ND01 Geiger Counter Radiation Detector,Portable Radiation Detector for Beta
9.1

Porometisto

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  • The ND01 Geiger Counter Radiation Detector uses a Geiger-Muller counter.Counter for detecting the intensity of ionizing radiation(beta particles, gamma rays, and x-rays)is made based on the ability of radiation to ionize gases.Its does equivalent rate is 0.00-50000Sv/h(50mSv/h),its cumulative dos equivalent is 0.00Sv-5000mSv,its energy range is 48 keV-1.5MeVs30%(for 137Cs-),its sensitivity is 80 CPM/Sv (for Co-60),and its relativistic intrinsic error is -17-25%.
  • Three-in-one+3 Colors Alarm Function:The ND01 can achieve accurate value detection for health protection and risk management and control,average value detection for filtering interference for more accurate results,and real-time value detection for timely early warning for safety protection.It also features unique alarm functions:3-level alarm,rapid response,and safe detection enabled.Green indicates SAFE status, displayed in the range of 0.00-0.52 Sv/h; yellow indicates REMIND status, displayed in the range of 0.52-2.28 Sv/h; and red indicates DANGER status, displayed in the range of >2.28 Sv/h.
  • Humanization Design:Designed specifically for human needs,the ND01's compact size perfectly fits your pocket or backpack for easy carrying.It features an automatic power-off function,and its multi-value LCD screen ensures clear readability in both sunlight and low-light conditions.It consumes little power and features a low battery warning, making it easy for you to replace the battery in a timely manner.
  • Wide Range of Demands:ND01 is perfectly suited for a wide range of needs, including but not limited to: Nuclear Power Plant Detection, Radioactive Substance Detection, Laboratory Radioactive Detection, Marble Radioactive Detection, Antique Radioactive Detection, Jewelry Radioactive Detection, Seafood Radioactive Detection, Hospital Radiology Department Detection, and Customs Nuclear Radiation Detection.
  • Comprehensive After-Sales Service:What You Get:Nuclear Radiation Detector,2 x AAA batteries,User Manual,Packing box.The user manual contains detailed operating instructions and precautions.For inaccurate test results or operational issues,you can contact us through the platform,and we will provide you with comprehensive after-sales service.POROMETISTO will provide a two-year free replacement service for product quality issues.

4. Nuclear Radiation Detector GQ GMC-800 USA Design Product US National Standard Large Color LCD

  • Nuclear radiation detectorGQ 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.
  • MultifunctionalTraditional 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.
  • The measurement accuracyis 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.
  • Five types of radiation alarmsVisual 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.
  • User Friendly Interface UIShorten 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.

5. Nuclear Radiation Detector, CHNADKS Upgraded Geiger Counter Radiation Detector,Rechargeable Beta

Nuclear Radiation Detector, CHNADKS Upgraded Geiger Counter Radiation Detector,Rechargeable Beta
8.9

Chnadks

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  • HFS-10 is a portable and accurate Geiger Counter Radiation Detector, mainly used for monitoring Gamma, Beta and X-rays
  • User-friendly:Handheld instrument with clear page and easy operation, covering two measurement alert methods and recording modes.Accessible for the disability
  • Technical Data:Use uses a Geiger-Miller counter tube for detecting the intensity of ionizing radiation (Beta particles, Gamma rays and x-rays), measurement range 0.08uSv-50mSv, measurement accuracy -17%... +25% based on 137Cs , standby for 20 days
  • Please note: The sensor of this geiger counter radiation detector is on right sides, the value will be more accurate when monitoring close to right sides of the instrument
  • Application occasions:Widely used in home radiation, irradiation processing enterprises, health epidemic prevention and other existence of ionizing radiation environment, personal received radiation dose supervision and protection occasions

6. Geiger Counter Nuclear Radiation Detector - FNIRSI Radiation Dosimeter with LCD Display, Portable

  • Nuclear Radiation DetectorFNIRSI GC-01 Geiger counter nuclear radiation detector with built-in GM sensor, able to detect Gamma, Beta and X-rays. Cumulative dose equivalent: 0.00 uSv-500.0 mSv. Energy range: 48 KeV-1.5 MeV plus/minus 30%for 137 Cs)
  • Smart Alarm3 modes of Light/Vibration/Sound. Geiger counter can set current dose alarm value and cumulative dose alarm value. Whether in sleep or active state, the radiation monitor will alarm if the detected radiation dose exceeds the alarm threshold
  • Multifunctional Geiger CounterOur the geiger counter has other various setting, such as alarm setting, system clock setting and unit setting & language change,you can operate in English (default) or Chinese. Easy one-handed operation
  • Working PrincipleFNIRSI GC-01 radiation meter uses a trachea or small room as a probe to detect ionizing radiation gamma/Beta/X-ray. Radiation ionization generates ion pairs, ions are enlarged and converted into electrical pulse counts to measure
  • Application AreasWidely applied in the environment where existing ionize radiation. Such as home improvement radiation, geological survey, iron, Inspection vehicles, nuclear power plants, industry, radiology, radiology laboratories and so on

7. Geiger Counter with J321 GM Tube, Nuclear Radiation Detector with Click Sound for Beta Gamma X-ray,

Geiger Counter with J321 GM Tube, Nuclear Radiation Detector with Click Sound for Beta Gamma X-ray,
8.5

Moesapu

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  • Measurement with Precision: Equipped with accurate J321 sensor, 1CPS/Sv/h in Geiger counter is more sensitive to detect Beta, Gamma, and X-ray radiation within energy range of 48KeV-1.5MeV in 0.5s response. It makes distinctive Click sounds, which corresponds to the detection of , , or X-ray particles, transforming invisible radiation into an intuitively audible experience, not just a numerical value you see in particle count
  • Comprehensive Dose Tracking: Advanced radiation detector provides real-time dose rate monitoring from 0.01Sv/h to 50mSv/h to follow exposure trends at glance with live graph. 0Sv-1000Sv in total dose is critical for assessing long-term health risks from radiation exposure. Timed dose is available to make cumulative dose controlled by strictly limiting the time spent in high dose rate area. Latest data is retained in memory even without power and can be downloaded via PC software
  • Personal Guardian Against Invisible Threats: Portable radiation detector with clip design makes journey more convenient. Engineered for precise monitoring in environments with ionizing radiation, special for detecting uranium glass radiation in antique collections, it adapts to diverse scenarios including home renovation material inspections, medical radiology departments,and nuclear facilities. Ideal for radiation safety professionals seeking reliable protection against radiological hazards
  • Up to 30 Days Runtime on Full Charge: Powered by rechargeable 1800mAh battery, radiation monitor offers 720 hours of standby time when choosing shortest backlight time to engage low-power mode during inactivity yet never stops working. Proactive low-battery alert provides ample warning, allowing for timely Type-C recharging. It ensures utterly reliable operation during vacations and power outages
  • Audio-Visual-Haptic Alarm for Safety: You get immediate warnings via sound, light, and vibration that is selectable when dose rate>2.5Sv/h or total dose>1mSv, which thresholds are customizable for your safe needs again. 6-level adjustable brightness TFT-LCD screen guarantees glare-free readability under the brightest sun and comfortable viewing in low-light conditions
  • What You Get: FS-5000 geiger counter, Type-C cable, and user manual. MOESAPU is dedicated to fulfilling your core desires by delivering relentless innovation, which is all crafted to provide you with nothing less than an extraordinary experience

8. Smart Geiger Counter Radiacode-102 with Free Mobile App. Nuclear Radiation Detector

Smart Geiger Counter Radiacode-102 with Free Mobile App. Nuclear Radiation Detector
8.7

Radiacode

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  • 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 Sv/h = 30 cps on Cs-137
  • RADIATION SOURCE SPECTRUM VISUALIZATION: Just imagine; it doesnt just show theres radiation it helps you recognize which isotope is likely emitting it. Cs-137, Ra-226, Th-232, U-238 and even the decay products of the radioactive gas Radon-222, like Lead-214 and Bismuth-214. Spectral resolution (FWHM): 9.5% (+/- 0.4%).
  • RADIATION MAPPING real-time radiation maps in your Radiacode mobile application with GPS-logged CPS and Sv/h readings, color-coded levels on online Google Maps or offline Open Street Maps, you can save and share your tracked routes
  • 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
  • UP TO SEVEN ALARM MODES: two adjustable sound levels, LED indicator, vibration and three app-based sound and vibration alerts, measurements in CPS, CPM, Sv/h, R/h, classic Geiger clicks, transflective blue-backlit display, gamma, X-ray and hard beta detection

9. Upgraded Geiger Counter Nuclear Radiation Detector with LCD Display,CHNADKS Mini Monitor

Upgraded Geiger Counter Nuclear Radiation Detector with LCD Display,CHNADKS Mini Monitor
9.1

Chnadks

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  • HFS-20 is an upgraded portable nuclear radiation detector , mainly used for monitoring X, and rays
  • User-friendly:Handheld instrument with LCD Display ,covering two measurement alert methods and recording modes.Accessible for the disability
  • Technical Data:Use GM counter tube as nuclear radiation, measurement range 0.08uSv-50mSv, measurement accuracy -17%... +25% based on 137Cs , standby for 14 days
  • Please note: The sensor of this nuclear radiation detector is on right sides, the value will be more accurate when monitoring close to right sides of the instrument
  • Application occasions:Widely used in home radiation, irradiation processing enterprises, health epidemic prevention and other existence of ionizing radiation environment, personal received radiation dose supervision and protection occasions

10. Sooguard Geiger Counter Nuclear Radiation Detector - Portable Handheld Beta Gamma X-ray Radiation

Sooguard Geiger Counter Nuclear Radiation Detector - Portable Handheld Beta Gamma X-ray Radiation
7.9

Sooguard

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  • Nuclear Radiation Detector Soogua Geiger Counter Nuclear Radiation Detector with built-in GM Sensor, fast response time, can quickly detect Gamma, Beta and X-rays. With high precision and sensitivity, it can be used in a variety of environments. Cumulative Dose Equivalent :0.00uSv-500.0mSv. Energy Range: 48KeV-1.5MeV 30%(for 137Cs-). Sensitivity: 80 CPM/S.
  • Wide range of applications Our Radiation Detector has a built-in 1800mAh high-capacity lithium battery, which supports long-time continuous work. Widely applied in the environment where existing ionize radiation.such as Home Improvement Radiation, Imported Food & Cosmetics, Medical Radiation, Geological Survey, Nuclear Power Plants, Chemical Laboratory, Outdoor Environment, Radiation Shining Manufacture Enterprises, , , X-ray radiation detector in marble and other stones, etc.. It is your reliable monitoring and protection partner in the nuclear radiation environment.
  • Multifunctional Geiger Counter Equipped with a clear LCD color display and an easy-to-read operating interface, it allows you to quickly and easily take real-time readings and various values. Our Geiger counters also provide you with a variety of custom settings, such as Alarm Thresholds, Alarm Modes, Measurement Unit Settings, Screen Brightness and Language Selection.
  • All-Round Alarm Our Nuclear Radiation Detector measure radiation levels quickly and accurately, even in low-dose environments. When the detected radiation dose exceeds the set alarm threshold, regardless of whether the detector screen is in sleep or working state, the Radiation Monitor will remind you of the existence of danger in the place through four alarm modes (Sound, Vibration, Alarm Light, Display Screen)
  • Application AreasWidely applied in the environment where existing ionize radiation. Such as home improvement radiation, geological survey, iron, Inspection vehicles, nuclear power plants, industry, radiology, radiology laboratories and so on

Peter

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