What if electroBOOM and diodegonewild made a calibration

@michaelfisher9671

4 жыл бұрын

Collaboration actually

@ramadavince6611

3 жыл бұрын

@Bear gay dont have wife. Stupid

@user-vo6yr8rf4c

Жыл бұрын

*collaboration

@blvckbytes7329

Жыл бұрын

More saaaaaaaalt, probably, xDD

Is there anything this guy doesn't know???!!! Genius and brilliant to watch. Uranium glass marbles though...BLOODY HELL!!!

Damn im learning a lot with ur videos...

Thank you for sharing this. Love this

Hello, beware the galvnometer contains radium paint. It is clearly visible on the value points and on the needle. Do not breathe the dust of this painting. Have a nice day ;)

Beautiful object !

You are goood taecher i love your electronic teaching

mmmm-hmm.......i would not mind getting my hands on that! i love that old-school tech!!!

An interesting and sturdy piece of tech, definitely well designed and built. It uses high reliability military electrolytics - C11, C15 etc. Worth restoring IMO. You could make a plugin piezo speaker to use with this counter instead of the headphone.

Thats a nice heavy duty die cast aluminium case. Unusual looking components, solid looking. I also thought that big TO3 cased transistor was the main part in an oscillator to provide a high voltage. NPN perhaps?

@DiodeGoneWild

7 жыл бұрын

In the RBGT-62, all 3 transistors are actually PNP. For some reason, the oldest transistors were always PNP. But the newer version RBGT-62A contains 1x PNP and 3x NPN.

Is there a schematic online anywhere for your geiger tube tester? I like the outer casing.... it sounds like a cow-bell. Interesting construction on the inside. It's somewhere in between point-to-point construction and PCB.

Great explanation . This device was very interesting . I have one geiger counter made by Radiometer Copenhagen but it was a simple Alpha/Beta particle counter , with a simple chamber made by a golden wire into a large rounded box . I collect some device used into Hospitals about 50 years ago and more. Ur geiger tube was very strange and it's a ugly new thing for me.

Pls Make a video about how to make the tester

Where can i get one of these???:))

I am trying to repair an rbgt-62a. The output voltage is too low and the needle can't reach K.N. I tried moving the black circular potentiometer beside the voltage stabilizer tube. It moved the needle past K.N but the humming sound stayed at the same volume.

@DiodeGoneWild

7 жыл бұрын

The sound of the inverter in the earphone is probably normal. I also hear it in all of my pieces.

@annelieseocallaghan801

7 жыл бұрын

Ok, but why is the voltage too low?

@DiodeGoneWild

7 жыл бұрын

It can be a lot of things. Bad battery or poor battery contacts. Poor contact in a pot or switch. It can be damaged transisor in the inverter or damaged diode. It can be faulty regulation tube (the glow voltage regulator). Don't measure this voltage with multimeter, it will make the voltage go lower. The internal resistance of the inverter is very high. The voltage should be 400V, but the voltmeter won't show this. If the needle is at K.N., the voltage is ok.

@annelieseocallaghan801

7 жыл бұрын

At first the tube didn't glow , so I turned the black potentiometer. Now it glows, but only a little. The glow is very weak, is this ok?

@DiodeGoneWild

7 жыл бұрын

The gas is probably not neon, so it doens't glow much. It is not designed to produce ligth. So it may be ok.

Danyku?

@DiodeGoneWild

6 жыл бұрын

Jo? :)

What is the main purpose for uranium beads?

@haidtrex8678

4 жыл бұрын

They are radioactive?

Why this geiger counter did not worked ?

Interesting system that three way level adjustent. I have vintage Finnish Wallac Geiger counter which has similar battery compartment and as robust construction but it has a handle where to carry it and it has a speaker as well. I have a small radioactive mineral which I use when coarse calibrating these and checking if they are working. I remember that it has Mullard tube. I wonder if your instrument has Phosphorescent paint as it looks similar. Have you measured the scale? It deteriorates quite fast and the radiation may be small now.

@DiodeGoneWild

6 жыл бұрын

This one doesn't have any handle because soldiers used to carry it in a leather case. (it originally came with a case). This one has a phosphorescent scale, but it's not radioactive. It glows just for some time after exposed to light. There's no Ra in it.

Danyku,zase jiná identita? :)

👍👍👍

This is that device I have seen in Godzilla movie when the old sailor men is rescued in france by American army

Jak je mozne ze nekdo ukradl tu trubku?

Have you ever tested the radiation of a common banana

Here is a website where you can order the Geiger counter tube.www.goldmine-elec-products.com/prodinfo.asp?number=G21689

my Russian Military DP-5V Geiger Counter or Ecotest terra-p

I think nothing happens if you put that probe into ~220V power outlet - it is just a capacitor filled with inert gas and working with 450V so 220 AC should do no harm to it. On the other hand what happen if you put finger in that probe socket ? :)

@DiodeGoneWild

7 жыл бұрын

The headphone plug is simmilar to a mains plug, not the probe plug. The probe socket has 400VDC in it, but it is hard to put a finger into it and there's a very high value resistor in series (I think 10M) anyway. This would only result in 0.04mA through your body. You wont even notice such current.

@vant4888

7 жыл бұрын

oops

@jirisatelitakxy7718

6 жыл бұрын

:)

"This one would be still working if the Geiger tube wasn't stolen from this one." This one sounded really funny for some reason. Also, how sensitive such tools are? Will they react to direct sunlight, or radon in the basement?

@DiodeGoneWild

7 жыл бұрын

This doesn't react to sunlight. The tube is made of metal and so the visible / IR / UV light can't get in. The STS-5 tube is sensitive to gamma and beta. I have never tried to detect radon. Maybe an alpha sensitive tube would be needed. Maybe a ionisating chamber would be better. I'm also not sure if the level of radon radiation would be detectable. It is possible that for proper detection you need to absorb the radon (or likely some elements in its decay chain) into some material (carbon?) and then measure the material (carbon).

@Norzel7

7 жыл бұрын

Well, sun emits some gamma (tiny amounts, to be honest, more with flares), but i guess it's not enough for most tools to notice. Radon, while relatively abundant, have alpha decay, so it basically directly ionizes surrounding air without any noticeable penetration - so, by measuring ionization levels radon amounts can be measured indirectly. And ionization levels can be measured with some kind of magnetic field geterator which will force charged particles from recombining by pulling them in opposite directions - towards some kind of ion detector, probably just grounded probe with ampermeter, and quite possibly some amplifiers in between. But then, noises will most likely just obliterate currents caused by charged particle movement. I guess some other ion detector is needed.

@novano1d

7 жыл бұрын

Even a alpha sensitive geiger counter will not detect radon in the air, because there are such small amounts.

@Norzel7

7 жыл бұрын

Sensitivity is relative. We can ramp it up indefinitely if we can offset the noise.

wtf you have uranium in just plastic bag xD?

@DiodeGoneWild

7 жыл бұрын

Those are uranium glass balls/marbles/beads. Those are legally sold and by law they contain less than 1% of uranium, but usually just about 0.1 or 0.2%. They are a safe Geiger counter test source :).

@MesutAtmaca

7 жыл бұрын

DP-5V Geiger Counter prob radioactive check source Strontium-90 ( Beta )

Note en.wikipedia.org/wiki/Odrow%C4%85%C5%BC_family.

CCCP 2.0 rsrs

Kepesitr

Mňa by zaujímalo čo sa nachádza vlastne v tej tube😄