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CDV700CLUB · The CDV 700 Club is a forum for like minded individuals that enjoy collecting, fixing up, and using geiger counters and other r
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Messages 28847 - 28877 of 31435   Oldest  |  < Older  |  Newer >  |  Newest
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28847
Ron, where you been, I thought you fell in the hole you were digging for your heating system. I'm game for anything to test this conversion. I don't get much...
robertdruecker@...
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Mar 1, 2009
3:10 pm
28848
Does anyone have any ideas for use of the 715, conversion. most minerals don't respond, autunite and tritium drive meter negative. custard glass went to 1,...
robertdruecker@...
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Mar 1, 2009
3:35 pm
28849
... Sounds like an electrometer responding to stray charge. Bet it likes a balloon rubbed on your head....
DH
revtkatt
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Mar 1, 2009
3:48 pm
28850
... Door stop? ;-) -- ... Chris Smolinski Black Cat Systems http://www.blackcatsystems.com...
Chris Smolinski
lastoneouttu...
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Mar 1, 2009
3:54 pm
28851
here is random thought from a non-tec: Take one cdv-720, open unit and remove rubber moisture seal (the black rubber band) and place it on the detection...
RODERICK arpin
rja3002...
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Mar 1, 2009
4:12 pm
28852
Radon is a fact of life - more so in some parts of the us than others. here in New England, where having your own well for water supply is not uncommon, radon...
RODERICK arpin
rja3002...
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Mar 1, 2009
4:26 pm
28853
I use a fogg-it water nozel and a 55 gallon drum to extract radon from well water cold. Tracy ... Radon is a fact of life - more so in some parts of the us...
Tracy Albert
thealbert1
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Mar 1, 2009
4:32 pm
28854
Thanks Rick, does anyone have a 720 botton can, that's an excellent idea. I don't need it to work, just the bottom. I'm doing an experiment now with water...
robertdruecker@...
Send Email
Mar 1, 2009
4:33 pm
28855
What do you do with the radon once you extract it? Bob ... From: Tracy Albert<mailto:thealbert@...> To:...
robertdruecker@...
Send Email
Mar 1, 2009
4:34 pm
28856
Thanks, I need a 720, at door stop prices, so I can continue experiments, does anyone have one. By the way, I didn't have a nightmare and dream up this...
robertdruecker@...
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Mar 1, 2009
4:47 pm
28857
... Right. Geo even used the 720 case bottom when he did this five years ago, as evidenced by the last picture in his workup, FYI....
csh
saturn1bguy
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Mar 1, 2009
5:40 pm
28858
I measure how much I got with the lucas cell. It may not be a accurate, But the difference between 60 PCi/l and 1700 PCi/l does tell lots. Tracy ...  What...
Tracy Albert
thealbert1
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Mar 1, 2009
5:44 pm
28859
Your absolutely right, but I'm not going to bust someones bubble, cause I might get one at a reasonable price, or maybe free for postage. We cant ,bust bubbles...
robertdruecker@...
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Mar 1, 2009
5:47 pm
28860
Thanks for doing that Tracy.This is really fun stuff. we need more inputs like yours and Steves. I gives the people something to think about and make up their...
robertdruecker@...
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Mar 1, 2009
5:52 pm
28861
I'm surprised this hasn't gotten commented on more. No Yucca dump means there are hundreds of closer sites with very nice Materials stored. ...
DH
revtkatt
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Mar 1, 2009
5:59 pm
28862
... I guess my point is that if folks used the search function on these chat groups more often, they would find all sorts of fascinating information, including...
csh
saturn1bguy
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Mar 1, 2009
6:12 pm
28863
Try pumping the radon ala: http://www.qsl.net/k0ff/Radon%20and%20Thoron%20Generator%20COWS/ Next, introduce some Thoron gas from Thorium mantles, then try to ...
Geo
K0FF
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Mar 1, 2009
6:24 pm
28864
Robert, ask me for a fresh storage bottom. Used the modified one for working periods only. Geo ... electronics. I was thinking about putting a soft rubber...
Geo
K0FF
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Mar 1, 2009
6:26 pm
28865
Ands so the LENi was born.......... Geo ... arrive ... tube. ... silicone ... silicone ... around ... solution ... bit ... the ... or ... circuit ... remaining...
Geo
K0FF
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Mar 1, 2009
6:28 pm
28866
All CDVs are somewhaqt similar but the ENi derives its low voltage from the same signal that drives the transformer. Fiddling with the oscillator changes the...
Geo
K0FF
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Mar 1, 2009
6:30 pm
28867
All CDVs are somewhat similar but the ENi derives its low voltage from the same signal that drives the transformer. Fiddling with the oscillator changes the...
Geo
K0FF
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Mar 1, 2009
6:30 pm
28868
Yes, it can also detect studs in the wall! Check the archives. Geo--- ... detect interference from High tension lines, broken line poles and other electric...
Geo
K0FF
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Mar 1, 2009
6:32 pm
28869
No patents. Everything I do is published on the web in an effort to encourgae others to repeat and improve. .....Geo ... cause I might get one at a...
Geo
K0FF
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Mar 1, 2009
6:40 pm
28870
George, could I have a fresh storage bottom, please? thank you, Robert ... From: Geo<mailto:GEOelectronics@...> To:...
robertdruecker@...
Send Email
Mar 1, 2009
7:40 pm
28871
... the ... was ... Many thanks to George and Cory for pointing out there are possible problems with the simple cure that my engineer friend and I came up with...
trilobitedoc
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Mar 2, 2009
3:04 am
28872
The same basic Lionel/ENI unit is still sold today by Arrow-Tech. Download the manual at www.dosimeter.com to find out how their engineers solved the problem....
wb0qna2000
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Mar 2, 2009
2:06 pm
28873
6 weeks, yeah, right! ... -- Nick A "You know what I wish? I wish that all the scum of the world had but a single throat, and I had my hands about it..."...
Nick Andrews
nicothefabulous
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Mar 2, 2009
4:59 pm
28875
... I went and took a peek. Both of the units I saw listed there had the same power supply circuit, and it's identical to the ENi circuit, save for four...
csh
saturn1bguy
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Mar 2, 2009
5:40 pm
28876
... A closer inspection will reveal that ENI's snubber/regulator zener diode (CR6) has been moved to a pure LV DC regulator position. The 160MOhm resistance...
wb0qna2000
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Mar 2, 2009
8:29 pm
28877
... Ah, good catch. Yes, the zener has been moved to the other side of the LV rectifier, CR4. I'm not sure this improves the HV performance, however. All the...
csh
saturn1bguy
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Mar 2, 2009
9:43 pm
Messages 28847 - 28877 of 31435   Oldest  |  < Older  |  Newer >  |  Newest
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