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Top-10 Geiger Counters
Loved in the USA

Handpicked for quality & trusted by thousands of customers

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Nuclear Ra
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

#1
Top Rated in the USA
Nuclear Ra
GQ

Born in the USA

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

Fast Delivery
10.0
854 reviews

Solid Value from a Trusted Brand

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1 128 bought in past month

Sponsored

Nuclear Ra
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

#2
Smart Geig
Radiacode

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

6%OFF

Fast Delivery
9.4
487 reviews

Item still has Pre-Tariff price

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1 026 bought in past month
Last Purchases
Seb***ian
San Francisco, CA
4d ago
Ha***er
Phoenix, AZ
3d ago
Wi***am
Philadelphia, PA
1d ago
#3
GQ 600 PRO
GQ

Born in the USA

GQ 600 PRO Geiger Counter Nuclear Radiation Detector – Dosimeter for Alpha, Beta, Gamma, X-Ray – Portable Radiation Monitor with Real-Time Data, Global Data Sharing, LCD Display & USB

Fast Delivery
8.8
226 reviews

Solid Value from a Trusted Brand

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924 bought in past month
Well-made and worth every penny.
HannahAustin, TX
#4
Geiger Cou
imagesco

Born in the USA

Geiger Counter - Digital - Professional - Model # GCA-06W External Wand Probe - ANSI N323A Certification Ready- 0.001 mR hr Resolution - 1000 mR hr Range

Fast Delivery
8.8
48 reviews

Solid Value from a Trusted Brand

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822 bought in past month
Curated products trusted bytrust us brands
#5
Mazur Inst
Mazur Instruments

Born in the USA

Mazur Instruments PRM-9000 Geiger Counter and Nuclear Radiation Contamination Detector and Monitor, 0.001 to 125 mR hr Range, + -10 Percent Accuracy

Fast Delivery
8.2
110 reviews

Solid Value from a Trusted Brand

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720 bought in past month
#6
Alert Geig
Gamma-Scout

Alert Geiger Counter Gamma-scout Hand-held Radiation Detector - Alert model

Fast Delivery
7.9
2 reviews

Solid Value from a Trusted Brand

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618 bought in past month
#7
Geiger Cou
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

7%OFF

Fast Delivery
7.6
1 270 reviews

Item still has Pre-Tariff price

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516 bought in past month
#8
GQ GMC-500
GQ

Born in the USA

GQ GMC-500Plus Geiger Counter Nuclear Radiation Detector Monitor Dosimeter, White

Fast Delivery
7.6
1 844 reviews

Solid Value from a Trusted Brand

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414 bought in past month
#9
GQ GMC-300
GQ

Born in the USA

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

12%OFF

Fast Delivery
7.3
1 185 reviews

Item still has Pre-Tariff price

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312 bought in past month
#10
New GQ GMC
GQ

Born in the USA

New GQ GMC-320 Plus Geiger Counter Nuclear Radiation Detector Data Recorder Beta Gamma x-Ray Test Equipment

Fast Delivery
7.0
890 reviews

Solid Value from a Trusted Brand

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210 bought in past month

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Geiger Cou
MOESAPU

Geiger Counter with J321 GM Tube, Nuclear Radiation Detector with Click Sound for Beta Gamma X-ray, Uranium Glass Iodine Treatment Radioactive Dosimeter, Portable Alarm to Water Food, FS-5000

14%OFF

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163
verified reviews

Item still has Pre-Tariff price

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108 bought in past month
Geiger Cou
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

Fast Delivery
11
verified reviews

Solid Value from a Trusted Brand

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6 bought in past month
GQ GMC-500
GQ

Born in the USA

GQ GMC-500 Geiger Counter Nuclear Radiation Detector Beta Gamma X-Ray Dosimeter

Fast Delivery
236
verified reviews

Solid Value from a Trusted Brand

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GQ 320S Di
GQ

Born in the USA

GQ 320S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter

Fast Delivery
298
verified reviews

Solid Value from a Trusted Brand

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Sooguard G
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

Fast Delivery
125
verified reviews

Solid Value from a Trusted Brand

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Our Top Picks

#1

Winner

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

Rating
10.0
Chosen by1,128
Measurement Range
Display and Readout
Data Logging and Connectivity

Most important from
854 reviews

Measurement Range
Measurements are very accurate, with only tiny discrepancies compared to other professional equipment.
Display and Readout
The large color LCD display is bright and simple to see, even in low-light conditions.
Data Logging and Connectivity
The five different forms of alarms—sound, vibration, light, data recording, and email notification—offer versatile alert options tailored to various environments.
Battery Life
Battery life is commendable, lasting 2-3 days on a single charge and charging fully in less than an hour.
Durability and Build Quality
Despite being lightweight and plastic, the materials seem sturdy enough to endure everyday handling and occasional drops.

The GQ GMC-800 Geiger Counter is a solid choice for those needing to detect various types of nuclear radiation, including Beta, Gamma, and X-rays. A standout feature is its large color LCD display, which makes readings easy to see, even in bright sunlight. The device is designed for both personal and group use, making it versatile for different scenarios. It offers impressive sensitivity and accuracy, complying with U.S. national standards, which is crucial for reliable measurements.

One of the strengths is its user-friendly interface; it allows for quick navigation and immediate readings, reducing the learning curve for new users. The option for multiple alarm types (visual, audio, vibration, and voice) enhances safety, especially for those with disabilities, as users can tailor alarm levels according to their needs.

Battery life is also commendable due to its rechargeable feature, and the inclusion of data logging and connectivity options allows users to save and share data easily. With memory for up to ten years of data and compatible software for processing, it’s a great tool for long-term monitoring.

The GQ GMC-800 isn't without its downsides. While it’s lightweight and portable, its thin design may not be as durable as some sturdier models, which could be a concern in rugged environments. Additionally, the advanced features, while impressive, might be overwhelming for users who prefer a simpler device without all the bells and whistles. This Geiger Counter is perfect for professionals, hobbyists, or anyone concerned about radiation exposure, providing a good balance of features, accuracy, and usability, though potential users should consider how it fits into their specific needs and environments.

Rating
10.0
Chosen by1,128
Measurement Range
Display and Readout
Data Logging and Connectivity

Most important from
854 reviews

Measurement Range
Measurements are very accurate, with only tiny discrepancies compared to other professional equipment.
Display and Readout
The large color LCD display is bright and simple to see, even in low-light conditions.
Data Logging and Connectivity
The five different forms of alarms—sound, vibration, light, data recording, and email notification—offer versatile alert options tailored to various environments.
Battery Life
Battery life is commendable, lasting 2-3 days on a single charge and charging fully in less than an hour.
Durability and Build Quality
Despite being lightweight and plastic, the materials seem sturdy enough to endure everyday handling and occasional drops.
#2

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

Rating
9.4
Radiation Types Detected
Sensitivity
Display and Readout

Most important from
487 reviews

Radiation Types Detected
Its advanced isotope identification capability sets it apart, allowing users to distinguish between different radioactive materials with confidence.
Sensitivity
The device delivers radiation measurements with impressive speed and accuracy, making it easy to detect even subtle sources like uranium glass or low-level background radiation.
Display and Readout
The accompanying mobile app is intuitive and feature-rich, providing detailed graphs, spectrograms, and data logs that enhance tracking and analysis.
Data Logging and Connectivity
The GPS logging and radiation mapping features transform radiation detection into an interactive experience, perfect for exploring and documenting contamination zones.
Battery Life
Battery life is solid enough for extended use in the field, supporting thorough surveys without frequent recharging.
Durability and Build Quality
Lightweight and compact design makes it convenient to wear or carry during activities like biking, turning radiation monitoring into a seamless part of daily life.

The Radiacode 102 is a modern Geiger counter designed to detect radiation and identify specific nuclear isotopes like Cs-137, Ra-226, and U-238, a valuable feature for users needing detailed information. It uses a scintillation crystal detector combined with a fast microprocessor, allowing it to measure radiation up to 20 times faster than traditional devices. This speed is helpful for moving through areas quickly while obtaining reliable readings without missing spots.

The device also logs radiation levels with GPS, enabling the creation of detailed radiation maps—ideal for professionals or enthusiasts who want a clear overview of contamination zones. It connects to a smartphone or PC via apps, providing access to graphs, spectrograms, and data logs, which enhances usability for tracking and analysis. Additionally, it includes a unique function for checking if food is contaminated, adding a practical safety tool. The device compensates for environmental conditions like temperature changes, ensuring accurate readings in various weather.

Lightweight and compact, the Radiacode 102 is easy to carry. It is well suited for users who want fast, accurate radiation detection with advanced isotope identification and mapping, particularly professionals and serious hobbyists rather than casual or occasional users.

Rating
9.4
Radiation Types Detected
Sensitivity
Display and Readout

Most important from
487 reviews

Radiation Types Detected
Its advanced isotope identification capability sets it apart, allowing users to distinguish between different radioactive materials with confidence.
Sensitivity
The device delivers radiation measurements with impressive speed and accuracy, making it easy to detect even subtle sources like uranium glass or low-level background radiation.
Display and Readout
The accompanying mobile app is intuitive and feature-rich, providing detailed graphs, spectrograms, and data logs that enhance tracking and analysis.
Data Logging and Connectivity
The GPS logging and radiation mapping features transform radiation detection into an interactive experience, perfect for exploring and documenting contamination zones.
Battery Life
Battery life is solid enough for extended use in the field, supporting thorough surveys without frequent recharging.
Durability and Build Quality
Lightweight and compact design makes it convenient to wear or carry during activities like biking, turning radiation monitoring into a seamless part of daily life.
#3

GQ 600 PRO Geiger Counter Nuclear Radiation Detector – Dosimeter for Alpha, Beta, Gamma, X-Ray – Portable Radiation Monitor with Real-Time Data, Global Data Sharing, LCD Display & USB

Rating
8.8
Radiation Types Detected
Display and Readout
Data Logging and Connectivity

Most important from
226 reviews

Radiation Types Detected
Offers exceptional alpha detection with its pancake tube, delivering sensitive and accurate readings for various radiation types.
Display and Readout
The user interface is intuitive and customizable, featuring multiple display modes and screen rotation for easy readability.
Data Logging and Connectivity
Built-in WiFi enables seamless live data uploads to an online server, providing convenient remote monitoring and unlimited storage.
Battery Life
Battery life is outstanding, supporting extended use over months without needing frequent recharges.
Durability and Build Quality
Durability is impressive, withstanding accidental drops from several feet without damage.

The GQ 600 PRO Geiger Counter is a solid choice for anyone needing a versatile and sensitive radiation detector. It can detect a wide range of radiation types, including Alpha, Beta, Gamma, and X-Ray, thanks to its advanced LND 7317 Pancake Geiger Tube. This makes it suitable for both professional use and general safety monitoring. Its sensitivity and real-time response mean you get accurate and timely readings whether indoors or outdoors.

The device features a clear LCD display with multiple viewing modes, making it easy to read and understand the data. A standout feature is its built-in WiFi, which allows you to upload radiation data continuously to an online map with unlimited storage; this is great for users who want to track and share readings remotely. It also logs data automatically every second and supports exporting this data via USB in common formats like Excel. The rechargeable battery with USB-C charging supports uninterrupted use, which is handy for longer monitoring sessions.

This geiger counter is well-suited for those seeking precise, connected radiation monitoring with flexible data handling, offering user-friendly software for data analysis and integration support for advanced users.

Rating
8.8
Radiation Types Detected
Display and Readout
Data Logging and Connectivity

Most important from
226 reviews

Radiation Types Detected
Offers exceptional alpha detection with its pancake tube, delivering sensitive and accurate readings for various radiation types.
Display and Readout
The user interface is intuitive and customizable, featuring multiple display modes and screen rotation for easy readability.
Data Logging and Connectivity
Built-in WiFi enables seamless live data uploads to an online server, providing convenient remote monitoring and unlimited storage.
Battery Life
Battery life is outstanding, supporting extended use over months without needing frequent recharges.
Durability and Build Quality
Durability is impressive, withstanding accidental drops from several feet without damage.

Buying Guide for the Best Geiger Counters

Choosing the right Geiger counter can be a bit overwhelming, but understanding the key specifications can help you make an informed decision. A Geiger counter is a device used to detect and measure ionizing radiation, which is important for ensuring safety in environments where radiation is present. Whether you need it for professional use, educational purposes, or personal safety, knowing what to look for will help you find the best fit for your needs.
Radiation Types DetectedThis specification indicates the types of radiation the Geiger counter can detect, such as alpha, beta, gamma, and X-rays. It's important because different applications may require detection of specific types of radiation. For example, if you are working in a medical environment, gamma and X-rays might be more relevant, whereas alpha and beta particles might be more important in a laboratory setting. Choose a Geiger counter that detects the types of radiation you are most likely to encounter.
SensitivitySensitivity refers to the Geiger counter's ability to detect low levels of radiation. This is crucial for ensuring accurate readings, especially in environments where radiation levels are expected to be low. Sensitivity is often measured in counts per minute (CPM) per unit of radiation. Higher sensitivity is better for detecting low levels of radiation, while lower sensitivity might be sufficient for environments with higher radiation levels. Consider your specific needs and the typical radiation levels you expect to encounter when choosing the sensitivity.
Measurement RangeThe measurement range indicates the minimum and maximum levels of radiation the Geiger counter can measure. This is important because it determines the device's capability to handle different radiation intensities. A wider range is beneficial for versatility, allowing the device to be used in various settings, from low-level background radiation to high-level radiation environments. Choose a Geiger counter with a measurement range that covers the expected radiation levels in your specific application.
Display and ReadoutThe display and readout feature refers to how the Geiger counter presents the radiation measurements. This can include digital displays, analog meters, or even audio signals. A clear and easy-to-read display is important for quickly understanding the radiation levels. Some models also offer additional information such as dose rate and cumulative dose. Consider how you will be using the device and choose a display type that is easy for you to interpret and suits your needs.
Data Logging and ConnectivityData logging and connectivity features allow the Geiger counter to record measurements over time and connect to other devices for data transfer. This is important for tracking radiation exposure over extended periods and for detailed analysis. Some models offer USB connectivity, Bluetooth, or even cloud storage options. If you need to keep detailed records or analyze data, look for a Geiger counter with robust data logging and connectivity features.
Battery LifeBattery life indicates how long the Geiger counter can operate on a single charge or set of batteries. This is crucial for ensuring the device is reliable and available when needed, especially in fieldwork or emergency situations. Longer battery life is generally better, but also consider the type of batteries used and whether they are easily replaceable or rechargeable. Choose a Geiger counter with a battery life that matches your usage patterns and ensures continuous operation when required.
Durability and Build QualityDurability and build quality refer to how well the Geiger counter can withstand physical wear and tear, as well as environmental conditions such as dust, moisture, and temperature variations. This is important for ensuring the device remains functional in various settings, especially in harsh or demanding environments. Look for models with robust construction, protective casings, and any relevant certifications for durability. Choose a Geiger counter that can handle the conditions you expect to encounter.

FAQ