10 Best geiger counters of 2025

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Best Choice

1

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

Advanced Radiation Detection
Ultrafast sensitive detector for Gamma, X-ray, and Beta radiation.

Ideal for Diverse Users
Optimal for beginners, professionals, and doomsday preppers.

Highly Praised Sensitivity
Most sensitive device for gamma/x-rays, praised by users.
Key specs
- Detection Range:Gamma, X-ray, Beta
- Battery Type:Lithium Polymer
- Sensitivity:Ultrafast sensitive scintillation
- Alarm Mode:N/A
- Measurement Units:N/A
9.7

Exceptional

Our Rating
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Value for Money

2

GQ
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
Main highlights

Portable and User-Friendly Design
The GQ GMC-800 is lightweight, handheld, and easy-to-use, featuring a large color LCD display and customizable interface for seamless operation.

Versatile Radiation Detection
Ideal for detecting Beta, Gamma, and X-ray radiation in various environments, making it suitable for personal, educational, and professional use.

Accurate and Reliable Performance
Praised for its accuracy, matching professional Geiger counters, and NIST certification ensures trustworthy radiation measurements.
Key specs
- Detection Range:Beta, Gamma, X-ray
- Battery Type:Lithium Ion
- Sensitivity:Quick, sensitive, precise
- Alarm Mode:LED, Audio, Vibration, Voice
- Measurement Units:Dosimeter units
9.6

Exceptional

Our Rating
3

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

Real-time Data Logging
Logs radiation data every second with internal memory, ensuring accurate and continuous monitoring.

Ideal for Thrift Store Finds
Perfect for testing items from thrift stores and uranium glass collections.

Ease of Use
Praised for being user-friendly and ready to use out of the box.
9.5

Excellent

Our Rating
4

GQ
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
Main highlights

Instant Accurate Readings
The GQ GMC-800 provides quick, precise radiation readings with an easy-to-read color LCD display, ideal for immediate environmental awareness.

Perfect for Outdoor Enthusiasts
This portable detector is perfect for campers, adventurers, and homesteaders, offering peace of mind during outdoor activities.

User-Friendly Interface
Customers praise the intuitive interface and easy navigation, making it accessible for both beginners and experts.
Key specs
- Measurement:Real-time & timeframe
- Alarm Modes:LED, Audio, Vibration, Voice
- Sensor Type:Geiger-Müller tube
- Power Source:1 Lithium Ion battery
- Dimensions:2.75 x 4.92 x 0.59 inches
9.4

Excellent

Our Rating
5

Mastfuyi

Mastfuyi Nuclear Radiation Detector, Rechargeable Geiger Counter Nuclear Radiation Dosimeter, Real Time Alarms, X-ray Gamma Beta Nuclear Radiation Monitor Meter, Large Color LCD Display
9.2

Excellent

Our Rating
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6

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
Main highlights

Fast Accurate Detection
FNIRSI GC-01 detects Gamma, Beta, X-rays with high precision.

Versatile Application
Ideal for home, industry, and radiology labs for radiation monitoring.

Portable and User-Friendly
Lightweight design praised for ease of use and portability.
Key specs
- Detection Range:Gamma, Beta, X-rays
- Battery Type:N/A
- Sensitivity:High accuracy
- Alarm Mode:Light/Vibration/Sound
- Measurement Units:uSv, mSv
9.0

Excellent

Our Rating
7

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

Compact and Lightweight Design
The nuclear radiation detector features a 48mm Geiger Muller tube counter, white OLED screen, and pen clip design, making it easy to wear and use.

Ideal for Educational and Personal Use
Perfect for teaching courses, monitoring radiation in survival scenarios, and testing various items such as uranium glass, water, food, and vintage items.

High Sensitivity to Low Levels of Radiation
Customers praise the device for its accurate sensitivity to low levels of radiation, easy-to-read display, and useful features like accumulated dose measurement.
Key specs
- Detection Range:0.08 uSv - 50mSv
- Battery Type:Lithium Ion
- Sensitivity:N/A
- Alarm Mode:Sound, flash
- Measurement Units:uSv, mSv
8.9

Very Good

Our Rating

9.3
Precision

8.7
Simple to use

8.0
Battery Duration
8

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
Main highlights

Fast Detection and High Sensitivity
Quickly detects Gamma, Beta, and X-rays with precision.

Versatile Application Scenarios
Ideal for home safety, geological surveys, and medical radiation monitoring.

Easy to Use and Reliable
Praised for clear display and ease of use by customers.
Key specs
- Detection Range:Gamma, Beta, X-rays
- Battery Type:Lithium Ion
- Sensitivity:80 CPM/S
- Alarm Mode:Sound, Vibration, Light, Display
- Measurement Units:uSv, mSv
8.8

Very Good

Our Rating
9

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

51% Off
8.5

Good

Our Rating
10

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

Fast Accurate Radiation Detection
The FS5000 Geiger counter offers fast response and high accuracy for detecting Gamma, Beta, and X-rays.

Ideal for Everyday Radiation Monitoring
Perfect for detecting radiation in nuclear water, reactors, and antique uranium glass.

Long Battery Life Praised
Users appreciate the 30-day battery endurance and USB-C charging.
Key specs
- Detection Range:0.01 Sv/h to 50 mSv/h
- Battery Type:Lithium Ion
- Sensitivity:High accuracy
- Alarm Mode:Light, Vibration, Audible
- Measurement Units:Sv/h, mSv/h
8.4

Good

Our Rating

10 Best geiger counters of 2025

1

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

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

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

4

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

5

Mastfuyi Nuclear Radiation Detector, Rechargeable Geiger Counter Nuclear Radiation Dosimeter, Real Time Alarms, X-ray Gamma Beta Nuclear Radiation Monitor Meter, Large Color LCD Display

6

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

7

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

9.3

8.7

8.0

8

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

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

10

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

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