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The 8 Best geiger muller counters of 2025

Are you trying to find geiger muller counters among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling geiger muller counters on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 12 hours of research and did 33 geiger muller counters tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best geiger muller counters you can buy today

No. 1
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
  • 【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.
No. 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
No. 3
MightyOhm SBM-20 Geiger-Muller Tube - Black, Glass, Industrial & Scientific Geiger Counters, Detector, Geiger Tube, 1 Pack
  • This popular tube is used in many DIY Geiger Counter projects.
  • Sensitive to beta and gamma radiation.
  • Each tube is tested and carefully packaged.
No. 4
MightyOhm Geiger Counter Kit Bundle
  • Kit includes all components needed to build a working Geiger counter, including a high quality printed circuit board, sensitive Geiger-Muller tube, laser-cut acrylic case, and 2xAAA batteries.
  • Included SBM-20 Geiger tube is sensitive to beta and gamma radiation. LED and piezo speaker alert you to detected radioactivity.
  • Mute button for silent operation.
  • 100% Open Source Hardware (OSHW). Full schematics, PCB layout, and source code available online.
  • Expansion headers allow you to connect your kit to other devices, such as Arduino and Raspberry Pi. Supports data logging. Can be connected to a laptop or desktop PC using a USB-serial cable (not included).
No. 5
Geiger Muller Counter Tube Hard Beta Gamma SI3BG SI-3BG CI3BG СИ3БГ Soviet Tested for DIY Project
  • Small! Just 2 inch length
  • Durable! Not like thin film metal in SBM-20 or STS-5
  • Gamma sensitivity 188...235 Pulses/s/R/h
  • Low power consumption 0,015...0,02mA
  • Working Voltage 380...460V
No. 6
ITS RDX-1 Low Range Radiation Monitor & Detector | Geiger Muller Tube detects Gamma, Beta, and X-ray Radiation | Range: 0-100µSv/hr and 0-10mR/hr | not affected by EMP | Instant Reading
  • RANGE: Analog logarithmic 0-100µSv/hr and 0-10mR/hr: 3 CPM/0.03mR/h (background) and 100 counts per minute (CPM) /0.2mR/hChirps (clicks) for each gamma or Beta detected
  • EASY TO USE: Simply press the button. It will immediately begin detection of Beta, Gamma, and X-ray radiation displayed on an analog meter and audible clicks that increase frequency as radiation levels increase without any lag or delay
  • TRUSTED TECHNOLOGY: RDX Radiation monitors use the same Halogen-quenched Geiger Muller detector tube (Density is 28mg/cm2) technology used in meters costing thousands of dollars more
  • MADE IN USA QUALITY: ITS manufactures test products in their USA facility in an environment that allows for reproducibility, accuracy, and traceability based on good manufacturing practices. Components are tested by quality control personnel at each step and are rejected if they are outside of specifications.
No. 7
ERICKHILL Geiger Counter, Electromagnetic Nuclear Radiation Detector, Portable Beta Gamma X-ray Radiation Dosimeter with LCD Display for Home, Radioactive Mineral Mining, EGF02
  • Multifunctional Geiger Counter: Equipped with a clear LCD color display and a user-friendly operating interface, it allows you to quickly and easily take real-time readings and various values. ERICKHILL Geiger counters also provide various custom settings, such as Alarm Thresholds, Alarm Modes, Measurement Unit Settings, Screen Brightness, and Language Selection
  • Multi-Radiation Application: Three types of radiation detection, Y-ray, X-ray, and B-ray, can measure nuclear radiation emitted from radioactive places such as nuclear power plants, radioactive medical treatments, radioactive waste disposal sites, and radioactive mineral mining
  • Visual and Audible Alarm: The ERICKHILL Geiger meter has a backlit display and an audible alarm (which can be turned off). The intensity and frequency of audible alarms change according to the measured value. The Geiger counter dose detected exceeds the alarm threshold, the radiation monitor will automatically alarm, and the Detector will sound and flash a red screen warning
  • Multifunctional Detection: The 2.26-inch large backlit LCD display screen makes readings easy, Tests average, peak (maximum) readings, and accumulated values, also saves data for viewing with one click. and it comes with an automatic shutdown and low battery indicator to help conserve energy and automatically shuts down after 15 minutes without operation
  • Worry-Free After-Sales☺: ERICKHILL strives to build professional, high-quality detectors. Package includes 1×EGF02 Nuclear Radiation Detector, 3×AAA Batteries, 1×Storage case, 1×Color packaging box, and 1×User Manual. We provide a 3 year warranty and lifetime technical support. Don't hesitate to contact us with questions or problems while using the product.
No. 8
GQ GMC-300E Geiger Counter Nuclear Radiation Detector Data Recorder Beta Gamma X-ray
  • Newer GMC300EPlus Fulfill of gmc-300 series geiger counter for nuclear radiation
  • Text, graphic and large font mode provide visualized radiation changes
  • Usb connection for both communication and data communication
  • Package weight of the Product: 6 Ounces
No. 9
GOL-SIV Geiger Counter,Portable Nuclear Radiation Detector with LCD Display and Smart Alarm,Hand-held Geiger Meter Beta,Gamma,X-ray,5 Types of Dosimeter,Rechargeable
  • Reliable Radiation Detection - The GOL-SIV geiger counter features built-in Geiger Muller Tubes that ensure high accuracy in detecting beta, gamma, and X-ray radiation for precise readings
  • Continuous Power Supply - This accurate nuclear radiation detector boasts a rechargeable battery to maintain continuous power supply
  • Versatile Measurement - With a dose range of 0.01 μSv-1000 mSv and energy range of 50 keV-1.5 Mev ≤ plus/minus30%(for 137 CS-), easily switch between five dosage units for versatile measurements
  • Clear Display - The LCD display provides real-time readings of radiation levels, making it easy to monitor radiation levels
  • Portable and Convenient - With a handheld design, this radiation detector is both portable and user-friendly
  • Wide Applications - Ideal for use in environments with ionizing radiation, such as geological exploration, medical radiation dose monitoring, chemical enterprises, laboratories, iron ore detection, and nuclear power plants
SaleNo. 10
Geiger Counter of Next Generation Radiacode 102 Nuclear Radiation Detector and Personal Dosimeter with Scintillation Crystal for Isotopes Identification Fully Free App
  • 🎇 Isotope identifier 9,4 ±0.4% (FWHM) for Cs-137. Optimal for beginners and intermediate-level users and professionals. Suitable for doomsday preppers or survival supplies kit. 30 Times Faster then traditional Geiger Counter with Geiger Müller Tube
  • 🌎 [Radiation mapping] – Create radiation tracks compatible with Gооgle Maps or offline Open Source Maps using our Mobile app. Suitable for doomsday preppers or survival supplies kit
  • 📱 [Mobile and PC applications] – Available for Ios, Android and PC. Open extra captivating features, graphs, logs, maps etc.
  • 🔆❄️ [Energy and temperature compensation] – Accurate readings in any weather conditions, even in heat and frost.
  • 🥗 [Food examination] – Exclusive advanced feature to exclude the consumption of food products contaminated with nuclear radiation.
SaleNo. 11
RDX-2 High-Range Handheld Radiation Monitor & Detector | Geiger Muller Tube detects Gamma, Beta, and X-ray Radiation | Range: 0-1000 µSv/hr and 0-100 mR/hr | not affected by EMP | Instant Reading
  • RANGE: Analog logarithmic 0-1000 µSv/hr and 0-100 mR/hr: 3 CPM/0.03mR/h (background) and 100 counts per minute (CPM) /0.2mR/hChirps (clicks) for each gamma, x-ray, or Beta detected
  • EASY TO USE: Simply press the button. It will immediately begin detection of Beta, Gamma, and X-ray radiation displayed on an analog meter and audible clicks that increase frequency as radiation levels increase without any lag or delay
  • TRUSTED TECHNOLOGY: RDX Radiation monitors use the same Halogen-quenched Geiger Muller detector tube (Density is 28mg/cm2) technology used in meters costing thousands of dollars more
  • MADE IN USA QUALITY: ITS manufactures test products in their USA facility in an environment that allows for reproducibility, accuracy, and traceability based on good manufacturing practices. Components are tested by quality control personnel at each step and are rejected if they are outside of specifications.
No. 12
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
  • 【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!
SaleNo. 13
Geiger Counter Nuclear Radiation Detector,CHNADKS Upgraded Monitor Dosimeter,Rechargeable Beta Gamma X-ray Portable Handheld Radiation Monitor with LCD Display
  • 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 γ, 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
No. 14
Nuclear Radiation Detector Dosimeter Smart Wi-Fi Monitor Geiger-Müller Counter with 10000 Groups of Data Touch Screen Key
  • Measurement Capability: The nuclear detector dosimeter is designed for measuring β (beta), γ (gamma), and X-ray radiation. It can accurately detect and measure these types of radiation.
  • Sensitivity: The dosimeter is highly sensitive and can detect even subtle variations in radiation levels. It can effectively identify and measure radiation intensity.
  • Geiger-Müller (GM) Counter Tube: The dosimeter utilizes a Geiger-Müller counter tube as its detection mechanism. This tube registers ionizations produced by each ray passing through it, enabling the device to detect radiation.
  • Real-time Monitoring: The app provides real-time data and information about radiation levels, displaying measurements and alerts on the smart device.
  • Data Recording: Allows for the storage and recording of up to 10,000 groups of data.
No. 15
Sunydog Assembled Geiger Counter Kit,Assembled Radiation Detector System,DIY Miller Tube Tube Nuclear Radiation Detector Geiger Counter Kit Module Experimental Module
  • This kit is compatible with Arduino.
  • Made of premium quality materials, it will not rust and is durable.
  • Supports most of the Geiger tube: M4011, STS-5, SBM20, J305, etc. (the 330~600V operating voltage of the Geiger tube can be supported).
  • Support the computer (PC) data acquisition, Matlab analysis and processing.
  • Good kit for MCU software developers that just want to drive Geiger Tube for their own software.
No. 16
ALLmeter Rechargeable Portable Geiger Counter Radiation Detector – Digital and Analog Display, Beta Gamma X-ray Monitor, Triple Alarms, USB-C Charging, Compact Design for Home and Outdoor Use
  • Accurate and Fast Radiation Detection: Equipped with a high-sensitivity Geiger-Müller sensor, this radiation detector ensures rapid and precise detection of gamma, beta, and X-rays across a wide energy range of 48KeV to 1.5MeV with ≤±30% accuracy for 137Csγ, making it ideal for laboratory, home, and hospital use
  • User-Friendly and Rechargeable Design: With six intuitive buttons and a large backlit LCD, this compact detector is easy to operate even in low-light conditions. Its rechargeable battery provides up to 4 hours of continuous use, and the 10-minute auto-shutdown feature helps conserve power
  • Dual Display and Triple Alarm Modes: The radiation monitor features digital and analog displays, allowing users to track trends in radiation levels easily. With visual, audible, and vibration alarms, it ensures safety alerts are clear and customizable based on user preferences
  • Robust and Portable Construction: Designed with a silicone protective case, this lightweight detector is resistant to wear and easy to grip. Its portable size and included storage bag make it convenient for various settings, from geologic surveys to everyday home use
  • Wide Range of Applications: Ideal for detecting ionizing radiation in food, environmental samples, and industrial equipment, this versatile Geiger counter serves hospital staff, DIY enthusiasts, and homeowners seeking reliable radiation detection
SaleNo. 17
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
  • 【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
No. 18
MHK-G80 Geiger Muller Counter and UVAB Light Meter 240 to 395 nm, Nuclear Radiation Detector Monitor Dosimeter Beta Gamma X-ray
  • Install Geiger Muller tube to detect ionizing radiation. Detect ionizing radiation such as Beta, Gamma, X-Ray. Range of dose rate is 0.00~1000.00 µSv/h, 0.00~100.00 mR/h. Detectable Energy Range is 0.1~1 MeV.
  • Using Gallium Nitride Based Material Photovoltaic sensor to detect UVAB light. Display UVI, and UVAB ultraviolet radiation intensity simultaneously.
  • Numeric Display contains ionizing radiation level reading in CPM, radiation level in µSv/h or mR/h, average CPM and µSv/h of a specific time frame, total count since power on, ionizing radiation level (Normal/Medium/High), and UVI, UV (UVA+UVB) ultraviolet radiation intensity readings . Display Type: 2.2" TFT Display.
  • Support Timed Count mode. Support a data log function that provides up to 8 hours history of ionizing radiation level in Graphic Display.
No. 20
GQ GMC-500Plus Geiger Counter Nuclear Radiation Detector Monitor Dosimeter, White
  • Enhanced model, dual geiger tubes sensor, independent calibration factors
  • Push the detection range upper limit 10 times higher
  • Large informative LCD Display with auto horizontal and vertical large font display
  • Built-in flash memory. Onboard speaker and audio output,Rechargeable battery installed.
  • With unlimited server logging data storage.Submit data to any server in the world automatically

How to choose a good geiger muller counters

Does the idea of finding a fantastic geiger muller counters make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in geiger muller counters. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top geiger muller counters products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top geiger muller counters on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top geiger muller counters brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top geiger muller counters based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the geiger muller counters were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good geiger muller counters, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your geiger muller counters.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting geiger muller counters for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our geiger muller counters. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what geiger muller counters should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on geiger muller counters.