GQ gmc-320 Plus Geiger Counter Nuclear Radiation Detector Meter Beta Range X Ray Europe

I tried this item on a few products and the results were very good, a shame the front panel makes it look a bit like a toy.

Seems to work well, easily detecting a radium dial on a watch. Some sophisticated features for such an entry level price. Feels solid and well made, also comes with protection pouch.

A very basic radiation detector which is good enough to pick up the low level emissions from green glass. Not much else to say , it seems to work as a general area detection unit and should you wish you can log the reading online at their forum.

Good product, seems a little clunky to use however picks up the background radiation with ease. Sadly one of those products that unless you use within the nuclear industry or there's an attack (where these reviews will become useless) its difficult to give a review but happy with what I can see, use and detect so far.

What is to say, a very good device with tons of functions, well built and accurate. Great battery life.

Exactly what I wanted, and now I have accustomed myself to the settings I'm ready to use it. It's easy and straightforward to set up, and will be a very useful piece of equipment. Thanks.

The battery only lasts for about one day. It is possible to improve this to two or three days by selecting low power mode, where the device goes to sleep after about ten seconds. The manufacturer GQ Electronics appears to be based in Seattle but judging by all the spelling and grammatical errors on their website and documentation, I don't think this is really a US product.

Having watched Chernobyl, having a father who lives near a nuclear power station and generally being really interested in physics, I thought I would try this out. It seems to work well, although it didn't detect any potassium 40 beta decay in my bananas. The background radiation in my London kitchen is certainly higher than up on the 11th floor at work, or down at my father's house on the coast near the power station. It's also higher on the tube, but other commuters act weirdly when you take it out and start waving it around.

Çok güzel. Müthiş hassas. Test için duman sensörü aldım. Güneş vuran duvardaki radyasyon farkını bile ayırt edebiliyor.

De calidad. Hace su función perfectamente. En alguna ocasión se ha quedado bloqueado y he tenido que quitar las pilas para reiniciarlo. Gracias por todo.

Fonctionne très bien. Qualité/ Prix imbattable. Ce compteur Geiger est vraiment de bonne qualité et les mesures semblent fiables. Une calibration peut également être réalisée soit meme.

Un apparecchio semplice da usare e molto intuitivo che dovrebbe stimolare tutti quelli che lo acquistano ad avere maggiore consapevolezza sulle radiazioni. Non è un misuratore di campi elettromagnetici ne’ di radon quindi chi cerca questo genere di strumento non è nel posto giusto. E’uno strumento che misura le radiazioni di tipo ionizzante che scaturiscono da decadimenti beta, gamma e raggi x. Non rileva le particelle alfa che sono arrestate, ad esempio, dall’epidermide o da un foglio di carta. Poiché lo strumento non è in grado di distinguere il contributo di ogni decadimento, avremo una misura cumulativa di tutto quello che è in grado di misurare. Parliamo cioè del ‘fondo’, dal quale si parte per valutare eventuali incrementi. Lo strumento fornisce dunque misure relative la cui bontà è validata dalla presenza di un altro contatore Geiger: per fare delle rilevazioni di senso occorrono due strumenti (anche di marchi diversi). Per misurare gli eventuali incrementi bisogna procedere in due fasi che vado ad illustrare. Supponiamo di voler valutare la presenza di una radiazione ionizzante di una mela appena acquistata. Scegliamo un ambiente della casa dove posizionare lo strumento in posizione centrale, meglio se sospeso. Dopo una decina di minuti il contatore, grazie alla funzione della media che è integrata, sarà in grado di fornire il valore medio del fondo presente nella stanza. A questo punto si introduce l’oggetto di cui si vuole indagare il potenziale ionizzante e si osserva se le nuove misure rilevate differiscono dal valore medio del fondo. Per fare misure ‘serie’ ripeto la necessità di avere due strumenti e non solo uno. Con un solo strumento potremmo rilevare delle criticità o no in base alla bontà della taratura e avere tutto sommato misure qualitative. Se lavoriamo con due stazioni allora i dati cominciano ad avere anche valore quantitativo. Per questo motivo è sempre bene un simile controllo prima di allarmarsi. Se invece siete già a conoscenza di un corpo in grado di emettere radiazioni e volete osservare il fenomeno con lo strumento, apprezzerete un incremento delle misure.

The quick review of this unit is I absolutely love it. I can and do recommend its advertised purpose of detecting Beta, Gamma or XRay Radiation. However, while its a great little device I wouldn't recommend it if your life is depending on it or anything. Generic usage to test specific items, background levels of radiation, etc. I would recommend this to everyone. :) For instance while they're are vents cut in the case to allow radiation through to the tube, the plastic case its in blocks the majority of beta radiation from making it inside. Also I wanted to mention that there are some errors in the GMC comparison guide, it's kind of a mess. So I wanted to point out that this version doesn't have WIFI. If you want wifi make sure you get the v5 device. What Features does the GMC-320+ have? * Accelerometer (The LCD will flip over so you can read it if you turn the device upside down. Allowing you to mount it on top or bottom) * LCD easily displays graphs, readouts and basic graphics. * Customizable LCD displays, you can choose what you want to display on it. Different types of graphs, etc. * Can read onboard sensors raw data easily and also add it to serial output. * Easy to add additional I2C sensors to the device! * Rechargeable Battery comes installed, and you can replace it down the road if it fails. * USB-Mini Power Cord to power the device, recharge batteries and output serial data. * On board data logging and history * USB Serial output, This is huge for me and anyone that requires dumping the data to your computer or an online service that monitors radiation across the world. It shows up generally on ttyUSB0 on linux. I'm using mine to monitor radiation in our condo by dumping the data to Home Assistant and I've found this works awesome. So all in all I am content with the device! As for battery life, I generally have the device connected via USB to my home assistant setup and as such I dont use the battery all that much. In fact I am going to remove it for now so I don't kill it needlessly. That being said, I was on day 3 of using it on battery and it was still running strong. So I would expect it to go for at least 5 days before needing a recharge. Side note: If you're not satisfied with the sensitivity of the M4011 tube, it's very easy to swap it out with another tube. For example the SBM-20 tube has been confirmed to work. Images Attached: * Reading the raw serial data in home assistant and utilising the results. * Device connected to my home assistant computer. The LCD is wonderfully visible however I have left the plastic on it, sorry!