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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 22899 - 22929 of 31433   Oldest  |  < Older  |  Newer >  |  Newest
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22899
Hi Keith, It's not all Americans here ;-) Am241 also has a weak gamma emission, very handy for checking thin crystal NaI(Tl) scintillators like the...
Robert Atkinson
robert8rpi
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Mar 1, 2007
11:59 am
22900
I can't comment too much on this but see no reason that I can't repeat some history. I used to make a brass holder for the pellets removed from smoke ...
Geo
K0FF
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Mar 1, 2007
3:59 pm
22901
I was wondering if the electronics could be used for other projects. Does anyone have information on the specs for the detection circuitery? Thank you Edward...
mdi48161
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Mar 1, 2007
4:22 pm
22902
Making EWBs, Electronics Wiring Boards. http://www.eham.net/articles/16053 Enjoy, Geo>K0FF...
Geo>K0FF
K0FF
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Mar 1, 2007
4:29 pm
22904
* Death from across the galaxy: Explosions called gamma-ray bursts could beam lethal radiation across a galaxy, frying life forms along the way, a study has...
J. Marshall Reber
groschen1936
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Mar 2, 2007
3:23 pm
22905
I *HATE IT* when that happens. no fun Geo...
Geo
K0FF
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Mar 2, 2007
5:42 pm
22906
... Yeah, me too ;-) Actually the finding that GRB's can wipe out any nearby life it not that new. Considering the enormous radiation they produce, it's no...
Hannes Mayer
al_birdie_2000
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Mar 2, 2007
8:29 pm
22907
Why does a pair of stars colliding produce a *beam* ? Similarly, why do other spinning cosmic things emit beams out of their spin-axes? Is this because there...
DH
revtkatt
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Mar 3, 2007
1:29 am
22908
... material ... They shouldn't have said gold. Now some yahoo will try recovering gold from them. Which will work, but.....
DH
revtkatt
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Mar 3, 2007
2:02 am
22909
... circuitery? See http://www.eskimo.com/~eresrch/detecting_random.pdf for a good analysis. Its an open-chambered ionization meter....
DH
revtkatt
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Mar 3, 2007
3:07 am
22910
... The neutron star theory is still not verified, but it is one possibility. Neutron stars are not like any regular star. See:...
Hannes Mayer
al_birdie_2000
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Mar 3, 2007
8:24 am
22911
I scored a strange kit recently, in a military-ish wooden box stencilled with the above. It contains a leather-cased small box into which you can plug various...
DH
revtkatt
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Mar 4, 2007
1:53 am
22912
Anyone have any experience repairing the meter movement of a CDV-700 or other CDV family meter? I've got a 700 and the meter movement is dead (but everything...
jimmy_a_71
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Mar 4, 2007
4:43 pm
22913
Anyone have any experience repairing the meter movement of a CDV-700 or other CDV family meter? Hi Jimmy, I think you're on the right track... There's no easy...
Tom Herman
n1bec
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Mar 4, 2007
5:30 pm
22914
... You can buy a CDV700 without the GM tube for cheap. Salvage the meter from it. The GM tube is the limiting factor. I actually don't know if there's an...
DH
revtkatt
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Mar 4, 2007
9:57 pm
22915
The manual on my strange european contami/detector set says there's a 'compartiment de dessiccatif', 'droogpatroon', aka 'trackenpairane' in my gizmo. I...
DH
revtkatt
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Mar 4, 2007
10:06 pm
22916
If you can send over the German scan of it I will take a crack at it, and translate it over. Let's put the high-school German and the Langenschedit Wörterbuch...
njh621
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Mar 4, 2007
10:57 pm
22917
Thank Tom and DH for the suggestions. I had already checked the continutity of the movement, about 1.8 KOhm, which I believe is reasonable for a 50uA movement....
jimmy_a_71
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Mar 4, 2007
11:07 pm
22918
Cool find! My parents are German, and you're right, Dutch sounds and looks almost like German. "Droogpatroon" is Dutch for "pattern" (altavista translation)....
F. McCay
fmccay03
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Mar 5, 2007
12:02 am
22919
I'l also take a crack at it, my German's a bit rusty, but still there.... Rabid Uncle Rabid ( http://www.unclerabid.com ) We Repair Electronic Speed...
Jim RabidWolf
rahantubbe
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Mar 5, 2007
7:53 am
22920
I'l also take a crack at it, my German's a bit rusty, but still there.... Hi Jim, My German is terribly rusty as well, but droogpatroon seems to be Dutch......
Tom Herman
n1bec
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Mar 5, 2007
2:22 pm
22921
... However, my Latin comes in handy, and the Italian appears to indicate "dessicant chamber", so the strange stick may very well be a sacrificial metal rod...
DH
revtkatt
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Mar 5, 2007
3:59 pm
22922
I recentlt got ahold of a surplus Victoreen CDV-715 1B, inserted a battery, the meter zeros OK, check circuit OK, needle stays at zero on the X100 setting, a...
dtrrman1
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Mar 5, 2007
5:34 pm
22923
That would indeed sound Dutch wouldn't it - probably a plot between the Waloons and the Flemish in Belgium to do one or the other in <G> ... From: Tom Herman ...
Jim RabidWolf
rahantubbe
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Mar 5, 2007
6:06 pm
22924
In a message dated 3/5/2007 11:34:31 AM Central Standard Time, msd1955@... writes: I recentlt got ahold of a surplus Victoreen CDV-715 1B, inserted a ...
troglodite@...
injuneer314159
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Mar 5, 2007
6:09 pm
22925
I've just heard that Thermo Electron (Eberline) is closing their Santa Fe operations. All design, production, repair parts and service personnel there are...
J. Marshall Reber
groschen1936
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Mar 5, 2007
6:11 pm
22926
In a message dated 3/5/2007 12:12:29 P.M. Central Standard Time, jmarshall.reber@... writes: People replaced by robots - - - where will it end? Oh...
lnmolino@...
lnmolino
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Mar 5, 2007
7:17 pm
22927
Hi, The strange stick is just a dessicator. They normally have a silica gel filling but some use a solid ceramic like material. The aluminium is actully porous...
Robert Atkinson
robert8rpi
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Mar 5, 2007
8:58 pm
22928
THE UNTHINKABLE Can the United States be made safe from nuclear terrorism? by STEVE COLL http://www.newyorker.com/fact/content/articles/070312fa_fact_coll ...
DH
revtkatt
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Mar 5, 2007
11:27 pm
22929
Droogpatroon = "dry stick"? ... From: "Robert Atkinson" <robert8rpi@...> To: <CDV700CLUB@yahoogroups.com> Sent: Monday, March 05, 2007 2:57 PM Subject:...
Jim RabidWolf
rahantubbe
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Mar 6, 2007
5:36 am
Messages 22899 - 22929 of 31433   Oldest  |  < Older  |  Newer >  |  Newest
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