Top 10 Best geiger counters in 2026

Last Updated - 6/13/2026

🏆Best Choice

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

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【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.
•【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.
•【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.
•【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.

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$94.00

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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

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•【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.
•【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.
•【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.
•【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.

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$94.00

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

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•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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$67.98

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FNIRSI

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

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【Nuclear Radiation Detector】FNIRSI 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 Csγ)
•【Smart Alarm】3 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 Counter】Our 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 Principle】FNIRSI 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 Areas】Widely 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

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$56.99

$61.17

-7%

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CHNADKS

Geiger Counter Nuclear Radiation Detector,CHNADKS Upgraded Personal Dosimeter,Beta Gamma X-ray Portable Handheld Radiation Monitor,Battery Powered (0.08uSv – 50mSv)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•【High-Sensitivity Radiation Detection】Accurately monitors X, β, and γ rays with a 48mm Geiger-Müller tube, offering a wide measurement range of 0.08µSv to 50mSv and compliance with international standards.
•【Dual Alarm System & Customizable Thresholds】Features audible and visual alerts for immediate warnings. Set adjustable dose rate (0.6–300µSv/h) and cumulative dose (1–3000µSv) alarm thresholds via user-friendly buttons.
•【Portable & Long-Lasting Design】Ultra-compact pen-style device with a clip for easy carrying. Built-in rechargeable battery provides 50 hours of continuous operation and fast 2-3 hour charging via USB-C.
•【Real-Time Data Tracking】Displays real-time dose rate, cumulative dose, average/maximum values, and measurement duration (up to 100 hours) on a bright OLED screen with night visibility.
•【Durable & User-Friendly】Operates in extreme conditions (-4°F to 122°F) with automatic sensor fault detection. Simple one-button operation and menu navigation ensure hassle-free use for professionals and individuals alike.
•Please note: The sensor of this nuclear radiation detector is behind the lcd display, the value will be more accurate when monitoring close to behind of the instrument.

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$39.98

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Sooguard

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

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•【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/μSν.
•【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, β, γ, 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 Areas】Widely 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

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$42.89

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MOESAPU

Geiger Counter with J321 GM Tube, Nuclear Radiation Detector with Click Sound for Beta Gamma X-ray, Portable Clip 720H Standby Radioactive Dosimeter, 85dB Alarm Precise Meter to Water Food, FS-5000

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Measurement with Precision: Equipped with accurate J321 sensor, 1CPS/μSv/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 β, γ, 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 0.01μSv/h to 50mSv/h to follow exposure trends at glance with live graph. 0μSv-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>2.5μSv/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

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$59.99

$69.99

-14%

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Geevorks

Geevorks Geiger Counter Nuclear Radiation Detector, Pen-Type X Y β-Ray Detector Personals Dose Geiger Counter with Sound Light Alarm/Instantaneous Dose Rate Cumulative/Average Dose Rate

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•【3 Detection Modes】The Geiger counter uses an OLED display to show you three detection modes: instantaneous dose, average dose and cumulative dose to meet your different needs.
•【Sound and Light Alarm】If the detected data exceeds the preset value, it has the sound and light two alarm ways to alarm you. Built-in lithium battery to supplys power, you can recharge it in time.
•【Easy to Operate】One button open and measuring, you can get the results quickly and easily. Geiger counter can detect β, Y, X type rays, the measurement range is 0.05uSv-50mSv
•【Portable Nuclear Radiation Detection Pen】This nuclear radiation detector has the pen type design for you to carry it easily, you can even put it into your pocket to carry.
•【Wide Applications】This nuclear radiation detector can be widely used in nuclear physics, environmental monitoring and industrial fields.

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$41.99

$45.69

-8%

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FORENSICS DETECTORS FD

Geiger Counter + Radiation Test Card | Upgraded 20-Year Sensor Life | Radiation Detector | Beta, Gamma, & X-Rays | 10ft Drop Test Pass | Version 2.0 |

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•🚀 DETECT: Beta, Gamma, X-rays. Comes with Test Radiation Card.
•💪 SHOCK: ABS housing for 10ft drop test PASS.
•🌈 DISPLAY: Large color LCD screen.
•👫 USES: Dosimeter mode, CPM count mode, Graph mode.
•🕵️ TRUST: ** 1 Year Warranty ** USA Customer support in Los Angeles, California.

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$88.45

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AKSTEST

Nuclear Radiation Detector AKSTEST Geiger Counter Nuclear Radiation Detector，Portable Handheld Beta Gamma X-ray Rechargeable Radiation Monitor Meter，Radiation Dosimeter with Audible Flash Alarms

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•3-in-1 Radiation Detector: This high sensitivity Geiger counter nuclear radiation detector with a 48mm Geiger counter tube provides extremely accurate monitoring of X-rays, beta rays and gamma rays. with a measuring range of 0.08uSv to 50mSv, the radiation detector can be used in a wide range of scenarios and has an alarm response time of <10s, ensuring a quick response in critical situations
•Applications: nuclear radiation detector is widely used in home radiation, import and export of food, nuclear power plants, petrochemical industry, radiation therapy, radiology laboratories, etc. It is an indispensable monitoring equipment
•Sound and Light Alarms: The radiation meter is equipped with both sound and flash alarms, which can fully meet the alarm requirements in different scenarios. Moreover, the alarm threshold can be flexibly adjusted according to the actual situation, thus providing users with very personalised security
•Ultra Long Battery Life: This portable radiation detector automatically starts detecting when it is turned on, eliminating the need for complicated and cumbersome operating procedures. Its built-in rechargeable lithium battery can be continuously detected for up to 50 hours, providing users with long-lasting radiation monitoring protection
•Night Vsion Screen: The detector radiation is equipped with a white OLED screen, which makes it easy to see the contents of the screen without any visual obstacles, even at night. When the display automatically goes to sleep, measurements continue to be taken, providing you with uninterrupted monitoring around the clock
•You Will Get: Radiation Detector *1, Usb Charger *1, Box *1 ,Manual *1, we provide you with up to one year of high-quality after-sales service

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$37.59

$39.98

-6%

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