GQ GMC 500+ Geiger Counter Review and Tests

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Weaponsandstuff93

Weaponsandstuff93

Күн бұрын

GQ GMC 500+ Geiger Counter Review and Tests, the GQ GMC is a £110-120 range Geiger counter advertised as measuring from 0.01 microsieverts to 45 millisieverts. However it doesn't seem to manage that in my tests, however that may be due to the higher range tube being gamma only. I will have to run further tests with higher gamma sources to clarify this. Overall this is a good Geiger counter with lots of good functions. However it is a lot more expensive than second-hand pager style dosimeters or a bit cheaper than a new Terra-P, both of which can measure into the Sievert range.
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Пікірлер: 88
@davey3765
@davey3765 3 жыл бұрын
I was freaking out when testing an old camera lens that put off 17 uSv/h and here you are handling 300+.
@BaddaBigBoom
@BaddaBigBoom 3 жыл бұрын
Takumar 50mm/55mm? I have a few of those.
@Norsilca
@Norsilca 2 жыл бұрын
Why was the lens putting out that much radiation?
@MaRceL1412
@MaRceL1412 2 жыл бұрын
@@Norsilca some manufacturers coated their lenses with thorium to enhance contrast and as a sort of uv filter
@Astro-adventure
@Astro-adventure 3 ай бұрын
lol try 60,000 usv/h
@keeganplayz1875
@keeganplayz1875 3 жыл бұрын
I got this exact model for Christmas actually! So I came back to this video to learn more about it. It's a good little counter, will serve me well.
@keeganplayz1875
@keeganplayz1875 3 жыл бұрын
How do I calibrate it? I don't really have any sources..
@goatmeal5779
@goatmeal5779 Жыл бұрын
You got one for Christmas? No way
@keeganplayz1875
@keeganplayz1875 Жыл бұрын
@@goatmeal5779 i broke the display. Now it doesn't tell me how much radiation I'm measuring.
@trickstub1666
@trickstub1666 Жыл бұрын
@@keeganplayz1875lmao why / how
@Sarge51BG
@Sarge51BG Жыл бұрын
I have this Geiger counter and it is without a doubt the best one. The sound it makes is iconic unlike most handheld now which sound like digital watches.
@jayytee8062
@jayytee8062 Жыл бұрын
Doesn't pick up alpha though, does it?
@Jsh712
@Jsh712 5 ай бұрын
this is by far not the best meter
@someweirdkid8584
@someweirdkid8584 4 жыл бұрын
We need more people like you who do reviews on simple items like this.
@Weaponsandstuff93
@Weaponsandstuff93 4 жыл бұрын
Cheers, dunno if a Geiger is a simple item though.
@tmac4809
@tmac4809 3 жыл бұрын
@@Weaponsandstuff93 COULD YOU HELP ME WITH MY GMC 500 NOT WORKING ITS NOT READING RADIATION FROM MY MICROWAVE
@lennihaapala8169
@lennihaapala8169 3 жыл бұрын
@@tmac4809 its not supposed to
@theforge129
@theforge129 2 жыл бұрын
@@tmac4809 microwave radiation isn't ionizing; this is made for ionizing radiation (i.e the damaging one)
@goatmeal5779
@goatmeal5779 Жыл бұрын
@@tmac4809 Of course it doesnt detect your microwave, that's EMF
@SearinoxNavras
@SearinoxNavras 4 жыл бұрын
Partly disappointed to see that once the tube gets saturated it doesn't display "overload". I have a GMC 600 with the SBT-11 tube and based on what I've seen here I'm expecting that too will go quiet once it reaches about 3 mSv/h. If the radiation is too high I'd rather be alerted instead of dropping down to zero.
@qbaz8723
@qbaz8723 Жыл бұрын
what Geiger counter would show that? I'm looking for one, just in case...
@23dunmc
@23dunmc Жыл бұрын
@@qbaz8723the radiascan when overloaded shows >10mSv/h or greater than maximum dose. Instead of going back down to nothing.
@electrichellion5946
@electrichellion5946 Жыл бұрын
I just got the 500+ and the therapy was double the price so that’s why I went with the 500+
@stevenblank563
@stevenblank563 4 жыл бұрын
The Terra-P reads higher does not means correct. The GMC-500+ reading can be calibrated to any high reading if you think that is correct. Under the menu Init Setup, Calibration item, you can change the conversion rate of uSv/h.
@southernknight9983
@southernknight9983 2 жыл бұрын
So why are you not worried about the amount of CPM from the objects that you are testing from? Wouldn't you want to be as far away from those test objects as possible, without some kind of protection? Are you not being exposed to the amount that the Geiger counter is detecting?
@ducatiist
@ducatiist Жыл бұрын
He's getting exposed but only locally and it maxed out at 3721 clicks per minute which only registered 24.18 microsieverts/hr. which is 580.32 microsieverts/day (locally exposed). So even if he wore it around his neck it for 24 hours strait it would still only be 0.58032 millisieverts. For comparison an abdominal CT is as high as 10 millisieverts. So basically even if he wore that compass 24 hours strait it would still be less than most medical imaging. I'm sure he doesn't wear it that very often and probably only to test his Geiger counter occasionally. Just don't get your micro and milli mixed up micro=10^-6 milli = 10^-3
@andreiandrei9059
@andreiandrei9059 Жыл бұрын
If the individual counters are calibrated to different sources with different energies spectrums, it is normal to show different values in Siverts for the same source.
@chrisvav
@chrisvav 3 жыл бұрын
What firmware revision did you have when running the tests? What hardware revision is your unit? Apparently an auto voltage feature has been enabled to improve high rate detection.
@spanmanuk
@spanmanuk 2 жыл бұрын
They all read wildly different. The terra-p+ clearly reads the highest of all but that doesn't actually mean it's correct does it? Which one of these counters, if any, are actually spot on, calibrated, and correct? How do you calibrate them correctly so you know they are accurate?
@jublywubly
@jublywubly 2 жыл бұрын
Eco Test's website says the Terra-P + is based on a military unit called a "MKS-05 TERRA". It would be great to get hold of one of those. There appears to be two version, though. One looks identical to a Terra-P +, but it's black. The other has blu-tooth and the screen is about three times as large, with extra information on it. The blu-tooth version seems to be about twice the price of a Terra-P +, but the non blu-tooth version seems to be about the same price as a Terra-P +, except I can only find them for sale from Ukraine, with writing in Ukrainian.
@spike178
@spike178 Жыл бұрын
Yeah dont trust buying from Ukraine.
@Steve211Ucdhihifvshi
@Steve211Ucdhihifvshi 2 жыл бұрын
facts about the si tube Working Dose Range: 300R/h (very high!) Working Voltage: 380-460V Working Current: 0,015-0,02 mA Plateau Length/ Inclination: 80V/0,25%/V Sensitivity to Gamma Radiation: 188 - 235 Pulses/s/R/h Own Background: 0,2 Pulses/s Working Temperature Range: -50 to +60 С Length: 55mm Diameter: 10mm
@bossybill7437
@bossybill7437 5 ай бұрын
As a newbie to detectors, I do wonder about this fascination across most YT channels, in regards high readings. Why I would want a detector, is to keep away from areas with high readings, as opposed to wondering how high it read, or which instrument is more accurate. High is high... that's all I to know.
@Dozymetria
@Dozymetria 3 жыл бұрын
Good Movie! I have a 320v4, 500+ and 600 version and each rotates the screen at high radiation :)
@melike7842
@melike7842 2 жыл бұрын
I bought 320plus. Will I be satisfied with it?
@batofgotham4383
@batofgotham4383 4 жыл бұрын
Great little thing. I like the display the click of it and this feature to simply hang it on the wall. Some people hanging a thermometer on the wall and some just having a radiation detector just so we know how much background radiation is there :-)) But to be honest personally I would go for the Radiascan-701A. A little more expensive but has all the features and range what we need.
@Weaponsandstuff93
@Weaponsandstuff93 4 жыл бұрын
Ah cool, saw the Radiscan being used to measure radium at 10mSv very accurately, the Terra P is still my favourite of every Geiger I've used.
@Steve211Ucdhihifvshi
@Steve211Ucdhihifvshi 2 жыл бұрын
the secondary russian tube si 3bg in them goes up to riddiculous high levels. you wont saturate it. the M4011 tube is for low level.
@dcooper314
@dcooper314 Жыл бұрын
Your not worried being around that much radiation 😮?
@СашаФролов-т2щ
@СашаФролов-т2щ 3 жыл бұрын
Thanks for the nice review and tests
@JAKOB1977
@JAKOB1977 4 жыл бұрын
Terra P seems to hold it own, just a shame with that dated interface. any reason that many of the more potent ones seem to go for very segmented and restricted display, as info is info, and the more the better at once..
@jeff34651
@jeff34651 4 жыл бұрын
Do you know of the Mazur Instruments PRM-9000? I really want one, but it's so expensive. I was just wondering if you have considered getting any of their Geiger Counters?
@camper1749
@camper1749 4 жыл бұрын
How can I store and maintain the floppy neoprene rubber on an M85 respirator, and is it true that it shrinks over time?
@Weaponsandstuff93
@Weaponsandstuff93 4 жыл бұрын
I've never heard of it shrinking but just store it out of sunlight and it should be fine.
@crisasi775
@crisasi775 4 жыл бұрын
20 dollars it's a good price for a rd 40 filtrer????
@RyouConcord
@RyouConcord Жыл бұрын
thank you for the review it helped a lot
@robertlogan511
@robertlogan511 3 жыл бұрын
Whats the model that just messures gamma like you said in the video?
@ThePgray5707
@ThePgray5707 2 жыл бұрын
Hey, love the video. What’s the model number of the gamma only one you showed? Thanks.
@Alan7997
@Alan7997 4 жыл бұрын
I purchased one online today.
@lucio0512
@lucio0512 4 жыл бұрын
If i get a replic of gp4 it work? And can o get an american filter or other than not contain abestoss and put on the mask?
@lucio0512
@lucio0512 4 жыл бұрын
And will protect me from the coronavirus if there is a with stripe on the filter or what color stripe i need to buy sorry for english im italian
@Weaponsandstuff93
@Weaponsandstuff93 4 жыл бұрын
There aren't replica GP-4 masks as far as I'm aware, it will just be a surplus one. Only GOST filters will fit it properly so get modern Polish, Russian or Chinese filters, then it will protect you from Corona.
@lucio0512
@lucio0512 4 жыл бұрын
@@Weaponsandstuff93 yea there is on amazon
@καρβουνοκαταμαυρο
@καρβουνοκαταμαυρο 2 жыл бұрын
Whats the firmware version ? I noticed that it responds very quickly! you have updated it ?
@Elvis_Pelvis
@Elvis_Pelvis Жыл бұрын
How do I calibrate it? I don't really have any sources..
@TaiganTundra
@TaiganTundra Жыл бұрын
Amazon says it's a dosimeter, but it's not?
@merlinflyer2190
@merlinflyer2190 3 жыл бұрын
I would like a GMC-500+ as I like the CPM reading, but I also like the terra p, I would like to use one to carry around with me but can't decide on any suggestions please
@Rich-ll8ce
@Rich-ll8ce Жыл бұрын
A year on, what did you go for ? As I can't decide either as I also would like CPM display and the Terra is £110 more than the GMC 500+
@merlinflyer2190
@merlinflyer2190 Жыл бұрын
@@Rich-ll8ce GMC-500+ love the display and i could not get the terra because of shipping problems.
@paulshiels6287
@paulshiels6287 4 жыл бұрын
Great Video! I've never heard a Geiger scream as much as that! If you don't mind me asking where did you get the check sources from? I have a CDV-700 and a GMC 320 Plus.
@Weaponsandstuff93
@Weaponsandstuff93 4 жыл бұрын
Generally old Geiger counters/Ion chambers, often the check sources are removed for postage reasons but now and again you pick up old Units that still have very hot check sources inside. Craziest one I was sent was a Chinese Type 75 Geiger with it's SR-90 check source in that makes most of my Geigers totally stop reading, it was originally a 5 Roentgen per hour (Equivalent) dose in the 1970s when the Geigers were made.
@melike7842
@melike7842 2 жыл бұрын
I bought 320 plus. Will I be satisfied with it?
@FC-eo9tn
@FC-eo9tn Жыл бұрын
....THANK YOU! ....Where can i buy the Terra P+ in Germany? ....and what can i use to test it?
@FC-eo9tn
@FC-eo9tn Жыл бұрын
????
@kisaninfra2618
@kisaninfra2618 Жыл бұрын
Can someone share video or picture of graph view when there is gaama radiation
@_google_user_
@_google_user_ Жыл бұрын
Does it reset itself after 42,000?
@waynethebrain7053
@waynethebrain7053 2 жыл бұрын
Needs recalibrating 🧐
@donmaciusrgta5571
@donmaciusrgta5571 3 жыл бұрын
Where did you get cesium 137 from?
@rawvlogz4205
@rawvlogz4205 2 жыл бұрын
More cajoe gmv2 tests and comparison
@florianrassl2213
@florianrassl2213 2 жыл бұрын
wer can i get some cesium137 or similar staff for testing?
@redline8411
@redline8411 4 жыл бұрын
Also 90 people in the UK
@Weaponsandstuff93
@Weaponsandstuff93 4 жыл бұрын
Didn't they say they won't even report the numbers until every Friday at this point?
@redline8411
@redline8411 4 жыл бұрын
@@Weaponsandstuff93 they got to much flack from the public. Watching sky news it's now 116
@spike178
@spike178 Жыл бұрын
Brother buying the 500+, will wait for heavy discount. Terra P is 2x or 3x dearer now the £168 500+ gets on my nerves these prick hikes for massive profits.
@awfullyawful
@awfullyawful 2 жыл бұрын
Mine shows 0 CPM nearly all the time. Are there some initial settings I need to set?
@qbaz8723
@qbaz8723 Жыл бұрын
What would happen to GMC-500+ if the radiation was way off its maximum chart? Would it just go blank or what?
@pooaustn9291
@pooaustn9291 Жыл бұрын
655350 CPM is the max it can go to, and it wont go above it, and just stable at 655350 CPM if its higher then that level
@DaScheife
@DaScheife Жыл бұрын
655350. Not good, not bad.
@ExSpoonman
@ExSpoonman Жыл бұрын
You need to recalibrate.
@METALMAN4Wii
@METALMAN4Wii 3 жыл бұрын
See's thumbnail where do you live Chernobyl?
@bulutgultekin5631
@bulutgultekin5631 4 жыл бұрын
Nobody says where its made in, even the company. Do you know?
@Weaponsandstuff93
@Weaponsandstuff93 4 жыл бұрын
I'd assume China based on it using a Chinese GM tube
@OnTheRiver66
@OnTheRiver66 4 жыл бұрын
Some of this company’s products are made in the US. The GMC300E Plus is made in the US.
@stevenblank563
@stevenblank563 4 жыл бұрын
Made by GQ Electronics LLC. Located in Seattle, USA.
@arthurmead5341
@arthurmead5341 3 жыл бұрын
Assembled in WA with chinese components
@spike178
@spike178 Жыл бұрын
You love radiation 😆
@alxRo
@alxRo Жыл бұрын
Can you make a video with quarta radex?
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