Geiger counters are machines used to measure the level of radiation from an object or emitted from a particular area. They make use of a Geiger-Muller tube which is capable of responding to ionizing radiation.

A Geiger counter is a relatively inexpensive way to measure many types of radiation, including those from alpha, beta and gamma particles. As people want to find out what kind of radiation is in their area, Geiger counters have become more famous.

This article is a small guide to help you find the best Geiger counter for your needs. You will find most of the useful and great products that have been selected based on their characteristics, reliability and convenience.

Right here we have selected the best Geiger counters that are listed below.

RANK NO. 1
GQ GMC-500Plus Geiger Counter Nuclear Radiation Detector Monitor Dosimeter,...
  • 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
RANK NO. 2
GQ GMC-300E Geiger Counter Nuclear Radiation Detector Data Recorder Beta Gamma...
  • 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
SaleRANK NO. 3
New GQ GMC-320 Plus Geiger Counter Nuclear Radiation Detector Data Recorder Beta...
  • Newly designed digital Geiger Counter/Data recorder,Record the radiation data. Play it back later
  • Text, Graphic and Large Font mode provide visualized radiation changes
  • Auto 180 degree swivel display provides a convenience reading when unit upside down.
  • Recharable battery,Alarm setting:alarm ON/OFF, alarm type, alarm level.
  • Money Back Guarantee. We ACCEPT RETURN for REFUND if you are NOT SATISFIED.
RANK NO. 4
Mazur Instruments PRM-9000 Geiger Counter and Nuclear Radiation Contamination...
  • American made LND 7317, Two-Inch Pancake GM Tube; detects alpha, beta, gamma and x-radiation
  • Scan items for radiation and detect Naturally Occurring Radioactive Materials (NORM)
  • Measurement Range 0.001 to 125 mR/hr (0.01 to 1,250 uSv/hr) with +/- 10 percent typical accuracy
  • Monitors Elapsed Time, Average, Minimum and Maximum dose rate in uR/hr, mR/hr, uSv/hr, CPS or CPM
  • LED, beeper and headphone jack; internal data logging, timed measurements, dose rate alarm
RANK NO. 5
GQ GMC-600 Plus Geiger Counter Radiation Detector Dosimeter Alpha Beta Gamma...
  • Detect alpha, beta, gamma, x-ray radiation
  • Large lcd display auto horizontal and vertical large font display advanced cpu on board built-in flash memory
  • Built-in Wi-Fi onboard speaker real time data logging unlimited server logging data storage rechargeable battery installed and...
  • Country of origin: United States
RANK NO. 6
IMI Inspector Alert V2 Geiger Counter
  • Alpha, Beta, Gamma, X-Radiation detection with premium "Pancake" GM sensor with mica window. Flat out the best detector for broad...
  • Easy to Use and Understand. Best Support and Warranty. Phone Support Standing by
  • A Real Professional Geiger Counter by a Company with 30 Year history of innovation. Designed and built in the USA
  • Exceptional battery life: 6 to 9 months 24/7 operation on a standard 9 volt battery
  • Fits in the palm of the hand with ease. Size: 150 x 80 x 30 mm (5.9" x 3.2" x 1.2")
RANK NO. 7
SOEKS EcoVisor F4 Geiger Counter Radiation Detector Dosimeter Nitrate Tester EMF...
  • Geiger Counter radiation detector and Dosimeter instantly alerts about all types of ionizing radiation in food, air, water,...
  • Food Nitrate Tester checks your favorite fruits, vegetables and meats for the excess amount of nitrates, using Patented Multi...
  • EMF Meter tests your house, environment, electronic devices and appliances for the harmful spectrum of Electric and Magnetic...
  • Water Tester helps to drink clean water knowing the number of particles in the water besides water, so you know when it's time to...
  • Tested and Certified by ROSATOM, RosTEST, CE, EAC, ISO:9001. Patented Technology by SOEKS
RANK NO. 8
3B Scientific Geiger Counter Radiation Detector, LCD Display
  • Versatile, easy to use and compact precision instrument for measuring Alpha, Beta and Gamma radiation
  • Standard mode for displaying the current radiation level
  • Pulse counting either permanent or with variable gate time; gate time adjustable in seconds, minute or hours
  • Integrated display of date and time for correct recording of measured radiation
  • The number of pulses registered is stored in the internal memory
SaleRANK NO. 9
GCA-07W Professional Digital Geiger Counter - Radiation Monitor - with External...
  • HANDHELD PERSONAL NUCLEAR RADIATION DETECTOR. Fast, Accurate and Easy To Use. Detects a broad spectrum nuclear radiation,...
  • NRC CERTIFICATION READY – Our NRC certification is available at additional cost from the manufacturer.
  • AMERICAN MADE GM TUBE: Detector Sensitivity LND712: Detects Alpha particles above 3 MeV in energy. Beta radiation above 50 KeV;...
  • COUNTING RESOLUTION AND RANGE: 1 Count Per Minute (CPM) - 10,000 Counts Per Second (CPS).
  • RADIATION RESOLUTION AND RANGE: 0.001 mR/hr resolution / 1,000 mR/hr Range (Imperial measurements); 0.01 uSv/hr resolution - 10...
SaleRANK NO. 10
Humdax Geiger Counter Nuclear Radiation Detector with LCD Display, High Accuracy...
  • HANDHELD NUCLEAR RADIATION DETECTOR: Humdax geiger counter with built-in GM sensors, fast response and high accurate. Gamma, Beta...
  • TWO MEASURING METHODS: Real-time measure and timing measurement function, you can set the "Measurement Time" range from 0 to 999...
  • SMART ALARM: Enter the option of alarm setting to set the alarm value of dosage rate.When the radiation value exceeds the set...
  • MULTIFUNCTIONAL GEIGER COUNTER: Our the geiger counter has other various setting, such as delete setting, sound setting, system...
  • APPLICATION AREAS: Widely applied in the environment where existing ionize radiation. Such as home improvement radiation,...
RANK NO. 11
MightyOhm Geiger Counter Kit Bundle
  • Kit includes all components needed to build a working Geiger counter, including a high quality printed circuit board, sensitive...
  • 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...
SaleRANK NO. 12
SOEKS Quantum Professional Radiation Detector Dosimeter Two Geiger Counter Tubes
  • #1 IN PRECISION DETECTION: QUANTUM features Dual Geiger-Muller Tubes (SBM-20-1), and upgraded processors, to deliver ultra-precise...
  • FOR PROFESSIONALS, AND PRO-ENTHUSIASTS: Accurately locate areas of radioactivity, or contamination of items such as scrap metal,...
  • PERSONALIZE YOUR DATA: Set your own personalized alert thresholds, and save data in the memory. The QUANTUM also allows you to...
  • EASY TO USE, JUST LIKE ALL SOEKS DEVICES – Simple menus, audible alarms, and colored alerts keep this Geiger Counter user...
  • ENJOY OUR FREE SOFTWARE: Whether it’s for work or home or doomsday prepper kits obviously the SOEKS QUANTUM is the right choice...

Everything You Need to Know About Geiger Counter

What Is the Geiger Counter?

Geiger counters are devices now within reach of all that allows us to detect radioactivity. They can measure the level of radiation of the natural outdoor background, that present in the environment, in homes and on materials of various kinds, such as building materials that are often slightly radioactive.

The operating principle of the Geiger counter is based on the ionizing radiation detector tube, so-called: “Geiger Muller tube”. But it must be said that not all of these sensors are comparable in both reliability and performance.

The Price of A Meter Depends on The Characteristics of The Installed Geiger Tube

The potential buyer must know that the amount of these probes and consequently also of the radioactivity detectors that use them are directly comparable with the intrinsic sensitivity and the ability to be able to detect the various kinds of nuclear radiation.

The Economic Geiger Counters.

In general, economy class Geiger meters are not able to detect all types of nuclear radiation, namely: Alfa, Beta and Gamma, because they mount low-quality Geiger probes, made of low-cost materials that generally cannot be traversed by radiation Low energy alpha and beta.

In practice, they can only reveal gamma radiation and very energetic beta. In the worst cases, it might happen to come across tools that to contain the prices mount old vintage pipes that are not very sensitive and with questionable reliability.

Bout Geiger Muller Pipe Installed.

Another vital point that must be considered before purchasing a Geiger meter is the sensitivity of its “tube” to the various types of detectable radiation, i.e. the minimum level of detectable activity that is generally expressed by the manufacturer of the Geiger tube as a function of a specific radionuclide.

Another parameter that can give a general idea is the value of the activity of the so-called natural fund detected by the instrument in an open environment.  It is necessary to be able to distinguish Geiger tubes with high performance from ordinary ones.

For example, there are Geiger tubes of excellent high quality that detect the activity of the natural bottom of about 40-60 CPM, compared to 10/20 CPM of the industrial machines.

The Guardian Ray Professional Geiger Counter with Alpha, Beta, Gamma, Xray Pancake Probe

For example, our Professional Guardian Ray Smart Geiger counter uses a sensitive and precise Geiger Muller Pancake Tube LND7317 as a probe for radioactivity. It is also equipped with unique software algorithms to exacerbate the already high precision and sensitivity of these particular American-made probes.

The Two Leading Technologies Used in Geiger Counters.

There are two types of Geiger counters: analogue equipped with a vintage needle instrument characterized by the so-called parallax error and a brief indication of radioactivity, based not on the actual count of the particles detected by the Geiger tube. But by an analogic process of integrating the impulses.

The digital counters are instead governed by a more or less powerful micro-controller and a modern numerical display.

The digital Geiger counter is the latest generation, certainly much more reliable than the analogue one, it is capable of exact counting of the radioactive particles detected by its Geiger tube.

The Economic Geiger Counters

Poor quality Geiger detectors typically have measurement error levels between 30 and 40% of the actual value of the measured radioactive activity. A reliable instrument should have at least an accuracy of between 20 and 25%,

The Professional Geiger Counter

A Geiger counter can be fully defined as “Professional” and reliable, first of all, if it can carry out radioactivity measurements in standard mode with a tiny margin of error on the real activity of the source, or with discards between 5 and 6%, a level of negligible error which is practically insignificant.

Things to Consider Before Buying Geiger Counter

Before taking a look at what the market offers, let’s try to understand what it takes to know to get the right counter for your needs.

1. Detection Method

The detection method can usually be a standard Geiger-Muller tube or a so-called pancake tube which is very same but has different types.

When selecting a meter, you have to check the types of devices as it has a certain degree of relevance. The pancake tube is great at catching beta and gamma radiation while it is not good for alpha radiation.

2. Display

These devices have displays to show vital measurements, so finding one with a bright, clear screen is important for effective data control.

3. Specific Use

As with the other things you buy, an essential question you need to ask yourself is: why do you need a Geiger counter? Are you a hobbyist or do you simply want it for educational needs? Does it have to do with your job or, for some reason, are you concerned about radioactivity in your area? The process of choosing the best radiation detection device has a lot to do with these questions.

These are the most important factors to consider when going to buy a Geiger counter. The products on this list have been carefully researched and analyzed to ensure that they represent the best value. Thanks to the right level of diversification, you can also find the right one for your specific needs.

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