Top 10 Best lab geiger counters in 2026

Last Updated - 6/15/2026

🏆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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$99.00

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

9.7

ChoiceComparer.com Score

9.7

/ 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

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

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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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

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

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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$99.00

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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

9.2

ChoiceComparer.com Score

9.2

/ 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)
•【100% Satisfactory Service】 If you have any questions, you can contact us at any time, our technical experts are online 24 hours a day and can quickly answer any questions you have about this Nuclear Radiation Detector. Very happy to serve you! In addition, we are willing to provide you with unconditional return and exchange service within 90 Days. Please buy with confidence!

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$37.98

$39.98

-5%

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FNIRSI

FNIRSI GC-03 Geiger Counter Electromagnetic Detector, 3IN1 Nuclear Radiation Detector EMF Meter, Not Support RF Detection, Handheld Rechargeable Radiation Dosimeter, Beta Gamma X-ray Radiation Monitor

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•【3-IN-1 RADIATION DETECTOR】One device to detect it all—nuclear radiation, electric fields, and magnetic fields. GC-03 ensures all-around radiation monitoring to protect your health at home, work, or outdoors
•【Nuclear Radiation Detector】 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%
•【Electromagnetic Field Detector】 Magnetic fields (0.01μT - 99.99μT/999.9 mG), Electric fields (1V/m - 1999V/m) Frequency measurement range is 50M~3GHZ. Magnetic feld values are displayed only when the magnetic feld is cut;itis nomalfor no reading to be displayed in static magnetic felds,such as permanent magnets
•【3 DISPLAY MODES】Switch between curve, professional, and quick view modes for flexible monitoring. Visualize changes in radiation levels clearly to better assess environmental safety
•【DAY & NIGHT THEME DISPLAY】Equipped with both light and dark display modes for optimal readability in any lighting. Whether you're indoors or in low-light conditions, the screen remains clear and easy to read
•【REAL-TIME MONITORING & ALERTS】When nuclear radiation exceeds safety thresholds, Visual, Audible, and Vibration Alerts for Complete Awareness.Track Up to 50 Alarm History Sets for Ongoing Awareness
•【Note】For magnetic field and electric field alarms, the over-limit status will be displayed on the interface, There will be no vibration, sound or light prompts.

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$89.99

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AEGTEST

Radiation Detector AEGTEST Radar-5633 Portable Nuclear Radiation Detector with LCD Screen, Rechargeable Dosimeter for Beta Gamma X-ray Detection, Measures in CPM μSv/h μR/h μSv - Blue

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Nuclear Radiation Detector: The AEGTEST Radar-5633 Radiation Detector utilizes cutting-edge semiconductor sensors to rapidly and accurately detect ionizing radiation, including Beta, Gamma and X-rays. It features an energy response range of 33 keV to 3 MeV with an accuracy of -17% to +20% (for ¹³⁷Cs γ). The cumulative dose range spans 0.1 μSv to 9999 mSv, making it ideal for both professional use and everyday radiation protection
•Multi-Data Single Screen Display: Ready to use as soon as it's powered on, with no need to switch between screens—this dosimeter displays multiple data points (μSv/h, μR/h, CPM, and μSv) on a single clear interface. Effortlessly monitor real-time dose rate, average dose rate, count rate, and cumulative dose all at once, allowing you to easily track various radiation monitoring metrics
•Striking Alarm System: Stay safe with a powerful alarm system featuring visual & audible alerts and red indicator lights. You can set custom alarm thresholds to suit your needs. Whether the screen is active or in sleep mode, the detector will alert you immediately if radiation levels exceed the alarm threshold, giving you peace of mind
•History Data Logging & Powerful Battery: With a timed measurement function, the geiger counter automatically stores historical data after each session, allowing you to efficiently track and review radiation levels over time. Plus, the convenient Type-C charging supports an impressive battery life of up to 18 days (particle sound turned off) on a single charge
•User-Friendly Design: Enjoy a bright TFT color LCD screen, suitable for various environments. The intuitive and feature-rich menu design meets your personalized needs, allowing you to customize your own radiation detector. The package includes: 1×Radar-5633 Radiation Detector, 1×Storage Box, 1×Type-C Charging Cable, 1×Lanyard, 1×User Manual

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$48.44

$56.99

-15%

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CHNADKS

Upgraded Geiger Counter Nuclear Radiation Detector with LCD Display,CHNADKS Mini Monitor Dosimeter,Rechargeable Beta Gamma X-ray Portable Handheld Radiation Monitor

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•HFS-20 is an upgraded portable nuclear radiation detector , mainly used for monitoring X, β and γ 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 γ, 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

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$29.99

$42.98

-30%

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intendvision

Geiger Counter Intendvision Nuclear Radiation Detector - Portable Radiation Dosimeter Tester Beta Gamma X-ray Detector for Nuclear Wastewater Seafood with Backlit LCD Display, Audible & Visual Alarm

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【Nuclear Radiation Detector】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. A highly accurate professional radiation detector with the following specifications: Dose equivalent rate: 0.0-50000μSv/h(50mSv/h). Cumulative dose equivalent: 0.00mSv-5000.0mSv. Energy range: 48KeV-1.5MeV ≤ ± 30% (for 137Csγ). Sensitivity: 80CPM/μSv.
•【Visual & Audible Alarm】Supports both visual and audible alarms. When the detected value exceeds the alarm threshold, this nuclear radiation detector will emit a beeping sound and the screen red light flashing alarm, the sound and flashing frequency of the high alarm mode is higher. The alarm sound can be manually turned off. Ideal for various scenarios, including testing nuclear wastewater or seafood to ensuring safety, providing reliable radiation monitoring in diverse settings.
•【Practical Functions】Traditional Geiger counter function to find the instantaneous radiation flux on a location/spot. With a high definition LCD display, which can show the data more clearly, give you a better using experience. Supports auto power off function, you can also cancel auto power off function in case you need. Support Data Hold, convenient to record data during different measurement. It has a low battery alert function, a timely reminder that it is time to replace the battery.
•【Compact & Portable Design】Compact design, take this radiation detector wherever you go. This portable device allows for on-the-spot monitoring without compromising on performance. With an easy-to-understand interface, customers can operate it with one hand. Without complicated instructions, simple to use. Non-slip texture and ABS material makes it easy to hold. It is accessible to both professionals and enthusiasts, facilitating seamless operation. A carry bag is provided for storage.
•【Wide Application & Warranty】This nuclear radiation detector can be widely used in many areas, including Nuclear wastewater detection; Industrial nuclear radiation monitoring; Medical nuclear radiation detection; Radiological assessment of seafood and food; β, γ, x-ray radiation detector in marble and other stone materials. Out of the box you can rest assured of the nuclear radiation detector and just enjoy 3-Year Warranty provided by Intendvision.

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$65.99

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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

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

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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$45.69

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