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Radiacode is a next-generation "Geiger counter" that radically transforms the concept of detecting nuclear radiation. This device features Energy Compensation of the dose rate, allowing for equally precise measurement of both high-energy gamma radiation and low-energy X-rays. Measurement is conducted simultaneously in two channels: dose rate in microsieverts and impulses in CPS. In other words, one channel displays radiation intensity, while the other reflects the impact on living organisms.
Different isotopes and radiation sources affect organisms differently. Radiacode can recognize their energy and display accurate data regarding dose exposure. Importantly, for both CPS and μSv measurements, there is an alarm system that you can configure according to your preferences.
Furthermore, it holds significant importance if you happen to be in regions affected by the aftermath of the Chernobyl rains in 1986, as well as areas affected by nuclear tests and accidents. This impact extends to specific regions across Eastern, Western, and Northern Europe, the United States, Japan, Ukraine, Belarus, and Russia. The consumption of certain locally grown products from these lands could continue to pose health risks for the next 30 to 100 years, due to the presence of Cs-137 in these organic materials.
Every device has individual temperature calibration, ensuring consistent spectral recording even under significant temperature variations. The accuracy of the spectrum will be maintained regardless of temperature fluctuations. The spectrum resolution for Cs-137 is 8.2% ±0.4% Full Width at Half Maximum (FWHM), comparable to high-end laboratory equipment. For optimal visualization, you can view the spectrum chart on a Bluetooth-connected smartphone or PC.
Isotope Identification
Gamma spectrometry is a standout feature of Radiacode, making it a breakthrough in the realm of radiation detectors. Previously accessible only with costly laboratory equipment, this capability now fits into a pocket-sized device weighing just 67 grams. Now, you can identify radiation sources, whether it's Radium-226, Cesium-137, Thorium-232, Am-241, or a number of other isotopes. This is fascinating from a scientific perspective, as it immerses you in the mysterious world of nuclear physics and provides insight into the invisible matter around us. Study radiation sources, formulate hypotheses, engage in discussions within our communities of like-minded individuals, and make discoveries. It also has a vital practical applications. From a safety standpoint, this is essential. If you detect isotopes like Radium-226, Cesium-137, or Americium in an urban environment, it's a reason to alert emergency services.
Radiation Mapping
Radiacode's captivating feature is its ability to record radiation measurements on Google Maps or OpenStreetMap (OSM) when synchronized with a smartphone via Bluetooth. The device automatically captures radiation levels at user-defined intervals, creating a track composed of colored points on the map. The color of the track represents the radiation level at the corresponding location: shades of red signify higher levels, yellow indicates moderate levels, and blue and green show lower levels. This color-coding is as straightforward as a traffic light system. Additionally, you have the option to customize your own color palettes. You can also export your maps to share with other Radiacode users or import their maps directly into your application. Radiacode is your “sixth sense” in the world of radiation. You will discover places with elevated or reduced radiation levels, which may indicate interesting and unusual phenomena or objects.
Food Activity Monitoring
Radiacode has a specialized mode for measuring the presence of Cesium-137 in food products. Cesium-137 is the most common nuclear isotope worldwide, settling across large areas of our planet after numerous nuclear tests in the USA and USSR, as well as several nuclear accidents, including Chernobyl. Winds and rains have carried Cesium-137 over vast distances, and traces of it can even be found in Africa and Antarctica. The issue with Cesium-137 is that it's a synthetic isotope, never found in nature prior to its creation by humans. Living organisms mistake it for elements used in building organic tissues. Once it enters the human or animal body, it accumulates in the muscles, heart, and liver, where it can potentially remain throughout one's lifetime.
Spectrogram Functionality
A spectrogram is a collection of gamma spectra recorded at specified time intervals, presented as a colored array capable of storing thousands of spectra. Don't worry, the recording is done automatically, continuously, and essentially without user involvement but can be extremely useful in various situations. This mode assists in identifying the source of radiation if your alarm system suddenly starts and goes off, but you cannot immediately determine its cause. As an example, it is quite possible to identify the radiation source as individuals who have undergone radioisotope therapy or contrast imaging pass by. Typically, these individuals trigger the alarm briefly as they pass, after which the background radiation levels quickly return to normal, leaving the user seriously concerned about the reasons for the device's activation. In this case, the spectrogram operating in the background mode is likely to provide an explanation, having had time to record data about the event. By examining the recorded spectrogram at a convenient time, the user may discover that the source of the short-lived radiation spike was, for example, Technetium-99m.
Sam
Reviewed in the United Kingdom on March 23, 2025
Excellent sensitive beta and gamma pocket scintillation meter. However, if you use it in microsieverts per hour mode (rather than counts/second), beware (1) it responds to beta radiation so you get a misleadingly HIGH indication of deep tissue dose in typical situations where both beta and gamma are present (it is not an "energy compensated" gamma dose rate meter, so the detector is not shielded to mimic the shielding of soft beta and low energy gammas by the skin), and (2) even for high energy pure gamma emitters, it indicates free-air dose rates which are typically 50% higher than the shielded deep tissue/bone marrow dose rates. In summary, you will tend to get over-estimates of your actual deep tissue gamma dose, unless you correct for shielding by soft tissue. (So either use it in counts/second mode, or multiply dose equivalent readings by 2/3 to get accurate deep tissue dose in ~1MeV gamma ray energy fields.)Apart from that, it is a lightweight, senstitive gamma detector and spectrometer. All software and instructions are online. To turn on, hold the round button down. To turn off, you need to press the round button once to bring up the menu on the right edge of the screen, then scross down using the "bar" scroll switch (located between the screen and round button), select the on/off symbol (a line in a partial circle), and then press the round button!The rechargable 3.7v lithium ion battery is apparently glued inside the case, so eventually you will need to break it open to replace the battery (or use it permanently on USB power from an external USB power supply).
Scott R.
Reviewed in the United States on February 20, 2025
I purchased this after having one on order with the manufacturer for over a month on backorder. This delivered in three days and of course, the one from Cyprus landed a couple days later. While there has to be a lot under the hood, the main thing that impresses me hardware-wise is that it is not a run of the mill Geiger counter. It uses a GAGG(Ce) scintillator coupled with a photomultiplier tube. This is pretty next-generation technology!While impressive in its own right, the power of the device is brought forth with the software that is available for smartphones and desktop computers. That's where the big time analysis and pretty pictures can be found! You do get rudimentary activity/dose rate/dose information and (I believe) some background spectra analysis (haven't figured this out yet).Inside the box you have the detector and a USB-A to USB-C cable. There are a couple cards with basic safety information and a QR code to scan to get the software. The QR code doesn't work (as of 2/15/25) so it's just as easy searching for it through wherever you get your phone software. I highly recommend getting a case for it as well. Not only does it make it easier to travel with it, but it adds a layer of protection to your somewhat less cheap new toy. I picked up the EVA hard case with the one I got off Amazon and a silicone skin for the one I got from the manufacturer. Obviously the hard case will be more protective but the skin allows for quick use. I actually have it clipped to the carabiner on the backpack I take to work.This is ORDERS OF MAGNITUDE MORE sensitive and accurate than the "yellow box" Geiger counter made in China that you can pick up here and just about everywhere else. If you want something to look at everyday things, the Radiacode would be my recommendation. If you're serious about radiation detection, you need to put on your Big Boy Pants and get a Ludlum Model 3 or similar. But now we're talking (at least) an order of magnitude higher cost.
Jesús Almándoz Luquin
Reviewed in Spain on February 12, 2025
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Dicke Fix
Reviewed in Sweden on September 7, 2024
The Radiacode 102 stands as a remarkable achievement in engineering, showcasing state-of-the-art electronics and software clearly designed by a small team of passionate experts. Their dedication to creating the best possible product within budget constraints is evident, as is their enthusiasm, reflected in their active engagement with users on forums like Geigerzählerforum. This advanced yet user-friendly device revolutionizes the consumer market for radiation detection, making gamma spectroscopy accessible to a broad audience, including young physics enthusiasts. Its combination of affordability, performance, portability, and ease of use opens up fascinating opportunities to explore radioactivity using common sources such as thoriated gas lamp mantles, thoriated welding rods, uranium glass, and radioactive minerals like thorite and uraninite.The Radiacode 102 serves practical purposes too, quickly alerting users to increased gamma radiation levels during potential nuclear incidents, and capable of measuring weak radioactive contamination in environmental samples, though this requires extended measurement periods and lead shielding. As a scintillator detector, it not only measures radioactive radiation with high sensitivity but also identifies its origin, boasting approximately 7 times more sensitivity for gamma radiation than the Mazur PRM 9000 pancake Geiger counter and 20 times more than the GammaScout. However, it's less sensitive than Geiger counters for beta and especially alpha radiation detection.The device comes with versatile software options, including mobile apps for Android and iPhone, a Windows application (currently limited to USB connectivity), and compatibility with third-party software like BecqMoni for easy Bluetooth connectivity. It can also function independently, storing data in internal memory. In terms of performance, my unit achieves 9.8% resolution for Cs-137, sufficient for isotope identification, though it can't match the sensitivity and resolution of larger, more expensive scintillators. For highly sensitive measurements, such as detecting Cs-137 in food, I employ a NaI(Tl) detector with 50 times larger crystal from GammaSpectacular and a lead shield to suppress the background radiation.Overall, the Radiacode 102 represents a significant advancement in consumer-grade radiation detection technology, proving invaluable for both amateur enthusiasts and professionals in the field of radiation detection and analysis. I attach some spectra measured with the Radiacode-102 and the Android app: Radium 226, Thorium 232, Lutetium 176, Potassium 40, Cesium 137, Cobalt 60, Americium 241 and the beta emitter Strontium 90.
Héctor Daniel Cortés González
Reviewed in Mexico on August 15, 2024
Radiacode 102 -- he detectado K-40, Lu-176, y por supuesto, la aleación W-Th (WT-20)Excelente.
Ghost
Reviewed in the United States on June 18, 2024
* Photos are of a spectrum using my Radiacode 103 inside a homemade lead castle, reducing background radiation by about 90%. After testing a raw tuna sample from Japan for 9 hours, no Cesium 137 is detected!The Radiacode 103 is an excellent scintillation detector. It's well-built, affordable, very sensitive, and versatile. It can be used as a dosimeter to measure both dose rate and total dose accumulation. But what really sets it apart from normal geiger counters is the fact that it can be used to identify what radioactive isotopes you are detecting. The app is extremely well designed and useful. It even includes a feature that allows you to automatically calculate how many becquerels of gamma radiation a food sample you are testing has. Unless you need an instrument that can detect alpha and beta radiation, I strongly recommend getting the Radiacode 103 over the GQ-GMC 600. Both are about the same price, but the Radiacode 103 build quality and components are MUCH better, plus it's a much more versatile instrument.Finally, keep in mind that if you are looking for a survival radiation detector, none sold on Amazon are capable of detecting very high levels of radiation that you would most likely encounter during a nuclear war. For that purpose, I recommend either the Ecotest DKG-21 or DKG-21M detectors. They are able to accurately measure gamma radiation dose rates accurately up to 1 Sievert/hour (1,000,000 microsieverts/hour). Very few new gamma radiation detectors available on the market today are able to accurately measure levels this high. Both detectors are made in Ukraine and the build quality is excellent.
Terry Lawrence
Reviewed in Canada on March 1, 2024
This unit is the one to buy if you are a "Cry Once" type of shopper. You will not need to buy the cheaper/simpler ones to finally realize that this is the one for 99% of your nuclear exploring.The Android app is spectacular and feature packed. The rechargeable battery life is excellent ( over 180 hours ). It is one of my everyday carry items which makes seeing my daily exposure statistics simple and very cool. i am not an Apple guy, but I hear that the iphone app is getting close to release.The manufacturer is exemplary in support and the quality of the device is excellent. Ordering and shipping was painless and very fast. From Cyprus to my hands in 4 days!
Mr. Yikes
Reviewed in the United States on February 12, 2024
This is an interesting device. I've had a bit of time to tinker with it and have taken it out in the field. It's not a geiger counter. A geiger counter uses a geiger-mueller tube. A typical thin-walled geiger tube can only really register beta and pick up that there is radiation present, not its energy. It's basically numbers of clicks of ionizing radiation without being able to tell you anything about it. This is a scintillator that mostly picks up gamma and tracks voltage of counts in kev. It tracks these counts in spectra, spectrograms over time, and location. It's not quite a lab-grade device, but it puts this sort of monitoring and tracking into an affordable device. It's the kind of device you can carry with you and track radiation levels and doses around your location. You can put it next to an emitter, take a spectrum and identify the type of emitter. If you have an alpha or beta source, like uranium or thorium, it doesn't necessarily read it directly, but records the gamma emissions of decay chain products to identify the source. It's very sensitive to these types of sources in a way that a cheaper geiger tube device usually isn't. I think that the intended "killer ap" would be using it to monitor food sources down wind of Chernobyl. It's a European product in that way. That's not as much of a concern for me. For me, it can be a bit of a toy where I can take spectra of common emitters, like uranium glass, vintage dishes, lantern mantles. I've figured out that my downtown areas is slightly more radioactive than where I live. However, it's not a toy. It's a pretty serious device. There's a feature in the app that lets you identify emitter types through the differing peaks on a spectrum. You can take a baseline background reading and subtract it from your spectra to really make the source type more clear. It really does do a lot for the money. I use it as a safety device when I replace smoke detectors for people. I can check them for radiation emitters before disposing of them so i don't expose myself and others. As well, I run a desert education group and it helps in identifying minerals in the field. I found out one of my camera lenses is a beta emitter (thorium glass) which doesn't change much, but I'm happy that I know not to carry it in my vest pocket for 12 hours a day.My heads up is that the Android app is much more mature than the iOS app. The iPhone app is missing a lot of features, but it seems like they are updating about once a month. As of February 2024, the tracks feature works and the radiation level and dose rate features are working. You can take spectra but can't save them yet. I hope this gets fixed quickly, since this is maybe the best feature for me. The android app has pretty modest requirements, so I borrowed an old Android phone to save spectra and do background subtraction until these features are added. I don't think this is a deal killer. Also, the Android app has some odd English locutions so it might take some time to figure out what these features are, and you might need to refer to the documentation a few times before getting comfortable. So far, the iOS app is much more intuitive, though it is a work in progress.
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