this time, i am testing a small radiation detector for smartphones (which comes at a price of 45 euros).
my first test includes the android version of the detector, tested with Cs-137 and Ba-133, comparing dose rate (microsievert/hour) and cpm (counts per minute) readings to the automess (1600 euros) and gamma-scout (450 euros) devices.

further tests will include the GPS mapping feature as well as comparisons of the iphone version to the android version.

please visit http://www.radiation-watch.co.uk/ for more info about these detectors!

40 Comments

  1. Тигр Тигровый

    April 30, 2019 at 3:56 am

    Hi, what do you think about this device? Measures Alpha, Beta and Gamma Radiation with professional accuracy!

    Radiascan 701 A measures all these 3 types of radiation, both together and separately.
    https://mydozimetr.ru/catalog/dozimetry/indikator-radioaktivnosti-radiaskan-701-a/

    Reply

  2. edgeeffect

    April 30, 2019 at 3:56 am

    Any other Samsung owners think "my battery is low" whilst watching this? 😉

    Reply

  3. Nicholas Hamilton

    April 30, 2019 at 3:56 am

    Do you have any Geiger counters that you don't want anymore ?

    Reply

  4. madaboutbrens

    April 30, 2019 at 3:56 am

    @Bionerd23 a quick question about this device, I am looking for something to check for RA226 (I have an old ww2 radio which I want to check for the presence of radium before I work on them)

    Would the pocket Geiger work on RA226 ?

    Reply

  5. Abe Coulter

    April 30, 2019 at 3:56 am

    Where can I buy a Geiger Counter with international shipping

    Reply

  6. Chris Imbee

    April 30, 2019 at 3:56 am

    have u tried to remove the beta shield in the pocket geiger and then recalibrate it and check the measures with other items (I just got the pocket geiger type 6.

    Reply

  7. Chris Imbee

    April 30, 2019 at 3:56 am

    interesting but you cant compare CMP between a geiger counter and a solid state detector ; the geiger tube is more sensitive to different type of particules and photons ; the PW34 photodiode used here is mostly sensitive to gamma photons ; and is less sensitive in general than a geiger tube. And geiger tube arent very efficient in detecting high energy gamma photons..

    Reply

  8. Noo Name

    April 30, 2019 at 3:56 am

    My house has 58.0 CPM measured with same program

    Reply

  9. guguk2007

    April 30, 2019 at 3:56 am

    hello, where I want to ge the iPhone version of detector?

    Reply

  10. Raymond Doetjes

    April 30, 2019 at 3:56 am

    I actually hacked one this week for my quantum random generator (real random numbers based in decay).

    I found that they are pretty blind to radiation. I cut off the beta shield and noticed tart I was look at a ccd too. The aluminum tape covering the detector as well as a piece of plastic actually cause it to work.

    I noticed this when I cut of the aluminum tape and the little plastic shield that I wasn't detecting anything. When I stuck some aluminum tape back over it did count again. As well as a bit more beta because the plastic shield was cut off.
    It just counts photon pulses.

    I sat playing with cesium 137 and this counter and my gamma scout all day yesterday to finish the random generator software and this morning when that was all done. I had the courage to cut up the shield and amended it to go from 256cps to  544cps.

    So it's not very reliable and pretty blind but a pretty okay indicator.

    Reply

  11. Henri Pajuste

    April 30, 2019 at 3:56 am

    Bought it and it does not work for me, zero readings after 1 hour running. I tried the same on both two smartphone mess. What to do?

    Reply

  12. Simon

    April 30, 2019 at 3:56 am

    Good, I prefer the videos where you don't expose yourself to alpha emitting dust.

    Reply

  13. Sidj

    April 30, 2019 at 3:56 am

    I want to buy a geiger counter, but I don't know a device with a good price and quality.
    And I also want to ask you; do you think I can find a hot (or hotter than normal) source here in Norway?

    Reply

  14. ss2gamer

    April 30, 2019 at 3:56 am

     
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    ▂▄▅█████████▅▄▃▂           ☻/  This tank & Bob are against Google+
    Il███████████████████].      /▌   Copy and Paste this all over
      ◥⊙▲⊙▲⊙▲⊙▲⊙▲⊙▲⊙◤..      /   Youtube if you are with us

    Reply

  15. Collin Jernigan

    April 30, 2019 at 3:56 am

    I use to have a GPS radio.

    Reply

  16. highlander723

    April 30, 2019 at 3:56 am

    Holy Shit i want one!

    Reply

  17. dcvmnaturalist

    April 30, 2019 at 3:56 am

    Hello, bionerd23! I love all your videos and I purchased the Type 4 iPhone version for an upcoming trip to visit Chernobyl and some uranium ore for testing. Anyway, I asked the company if the plastic cover can be removed so I can take the shield out whenever necessary. I was told that removing the case should be easy, the shield can be removed and they offered to mail me a new case if I break it. I like this company!

    Anxiously awaiting your followup video… Thanks!

    Reply

  18. NOBOX7

    April 30, 2019 at 3:56 am

    its not a gps radio you fucking russian moron, there is no such thing as a gps radio you fucking idiot i never said one word about gps radio so no you didnt read the fucking comment and it wasn't even talking to you. dam russian morons

    Reply

  19. nationalmoon

    April 30, 2019 at 3:56 am

    Can you go inside the sarcophagus?

    Reply

  20. bionerd23

    April 30, 2019 at 3:56 am

    i believe it works with the ipad, but you'd have to try to be sure… or, at best, contact the manufacturers about it.
    if you pay with e.g. paypal, your currency will automatically converted, so it'll tell you the price in GBP as well as the conversion in $USD, for example. should not be an issue in these modern days of online payments. if you put "XX GBP TO USD" into google, you'll even get an instant conversion at the current rate.

    Reply

  21. Black Burton

    April 30, 2019 at 3:56 am

    Can you make a version where it costs Dollars (for people who aren't in UK)
    and for other devices like Kindle Fire or I pad ?

    Reply

  22. 4gTL-PM

    April 30, 2019 at 3:56 am

    Love all your videos, I was first intrigued by Chernobyl when playing Call Of Duty: 4, and from then on I was obsessed with Chernobyl. And with the help of your videos, I get to see what it is like in person! Keep up the good work!

    Reply

  23. Syko

    April 30, 2019 at 3:56 am

    have you been inside the sarcophagus?

    Reply

  24. bionerd23

    April 30, 2019 at 3:56 am

    1. never and 2. at approx. 500 mSv/h maybe, depends how large the area is, e.g. if it's a point source that i can inspect and just be away from, or if i'd need to walk for minutes or longer in order to get to lower dose rates.

    Reply

  25. bionerd23

    April 30, 2019 at 3:56 am

    should work, no problem. but i'll write it down to include in the next video.

    Reply

  26. Nomwisegangy

    April 30, 2019 at 3:56 am

    Hey I have a 2 part question for Ms Nerd, Have you ever had to fall back from an area of intense exposure and what would you say is the point of turning back, IE when it would become too extreme interms of exposure?

    Reply

  27. madaboutbrens

    April 30, 2019 at 3:56 am

    Hey, can you video some checks on old dial faces for example the warbird altimeter.. Reason I ask is I have to work on old ww2 vehicles and want to be able to check why dials are radium luminised and what are not… I only realised a gauge was radium coated after working on it all day unshielded and now I am a bit freaked out when working with them… If the device works on this element I will get the iPhone version

    Reply

  28. bionerd23

    April 30, 2019 at 3:56 am

    i've already been there twice. check out my channel for the video series. 🙂
    …but yeah, i am also planning on going again in the future!

    Reply

  29. Rytis

    April 30, 2019 at 3:56 am

    are you planing to go to Chernobyl in the future?

    Reply

  30. JessicaAtreides37

    April 30, 2019 at 3:56 am

    MADE IN JAPAN… lol… we are FUKED… love to all xx

    Reply

  31. Albert Michall

    April 30, 2019 at 3:56 am

    Thank you,
    Good report
    I too am interested in data for west coast USA
    I would like data on more geiger units
    al

    Reply

  32. Lemmy

    April 30, 2019 at 3:56 am

    wo hast du denn das cesium her?

    Reply

  33. Kurt Story

    April 30, 2019 at 3:56 am

    I live near Seattle and have wondered the same thing. But throughout the period of possible fallout being carried by the jet stream from Fukushima, I have not seen any data which suggests any significant dosage reaching the PNW. Check out radiationnetwork or Google "radnet Seattle 2011". From what I can see, Seattle has some of the lower background radiation in the US.

    Reply

  34. bionerd23

    April 30, 2019 at 3:56 am

    i havent been there myself to measure whats going on, so all i could do is google and then tell you what somebody else claims, but this may be false just as it may be true, so i dont want to spread that stuff around as "information from myself". sorry i dont have any further info.

    Reply

  35. bionerd23

    April 30, 2019 at 3:56 am

    i agree, for normal background radiation and / or cars, that is an issue. i always keep disregarding cars for appliances, as i dont own one, let alone having a driver's license.
    however, when walking around in a contaminated area (e.g. fukushima), i figure it should be sufficient to give you a "radiation map" in the end. hopefully i will get to test this for myself soon… 🙂

    Reply

  36. bionerd23

    April 30, 2019 at 3:56 am

    well, you can abuse any tube with a vacuum to produce x-rays… even an ordinary lightbulb. though that bulb will just burn in and leak very easily; thus, a high voltage tube, such as a shunt stabilizer triode from an old tv set, is ideal for creating x-rays. there have been quite a lot of experiments about this by many people before, i even have a book which mentions how to do this, and how to get the needed high voltage from everyday appliances, heh. gotta love this stuff.

    Reply

  37. bionerd23

    April 30, 2019 at 3:56 am

    yeah, i figure alpha rays (or e.g. a proton beam, that could even make it through the case) would severely damage the detector. thus, it's a good thing alpha radiation cannot strike the detector. i did a test on this with another type of similar detector, my webcam… watch?v=jFNvYA7731o

    Reply

  38. bionerd23

    April 30, 2019 at 3:56 am

    yeah, there are actually some studies that show faulty bits appear e.g. within memory (such as a camera's SD-card) when exposed to very high levels of radiation, especially very low energy x-rays. however, x-raying the devices like i did – or an airport x-ray scan, even if done 100 times a year – does not seem to cause noticeable effects as far as i can tell.

    Reply

  39. bionerd23

    April 30, 2019 at 3:56 am

    yes, i discussed that with the manufacturers. they claim it should not be a problem; we shall see. 🙂

    Reply

  40. Ilovewinter

    April 30, 2019 at 3:56 am

    I have to ask if you can find radiation counts for Washington State or the West Coast area around Washington, I do not know how to read the Data, I know we have not been getting the facts about the Radiation from Fukushima, and I want to hear the truth from some one I trust. Tired of all the Rumors, and misinformation so if you could I would very much like that thank you.

    Reply

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