Craig - If you go the cooled route, you may want to try the approach used by some CCD cameras. Put the detector and anything else to cool in a sealed chamber...
Has anyone had experience using gas proportional detectors like the Protean MPC-2000? I may have an opportunity to buy one and am wondering about the details....
Watching Stephen King's Rose Red last night and noticed that one of the actors was using what looked to be a mint PRI 107c for hunting ghosts.... Looked really...
Have seen a CDV 717 in the cheesy movie, "The Surge" and in "The Entity" a CDV 700 Model 6 a or b. On a paranormal investigators website I saw a CDV 715 for...
... Hoo boy, not! Ted Rockwell (Admiral Rickover's scientific advisor), who knows some of the Russian survivors that were "consulted" for the movie, reports...
I saw "K-19" a LONG, LONG, time ago, but if memory serves... A crewmember was shown using what I recall looked like a Soviet DP-5 series counter and they were...
Hi, I found the Mini-Monitor Serie 900 schematic diagrams. Had them layoing arround for 10 years. But finaly posted it. Just folow the link. Not sure if it is...
Jeff, Thanks for the offer, but I think I understand the physics involved from your description. Sounds workable. I'm not planning on any cooling for my...
please forward me thyat info, thanks. Geo ... _____________________________________________________________ Switch to Netscape Internet Service. As low as...
can't see it, please forward to K0FF@... Thanks Geo ... _____________________________________________________________ Switch to Netscape Internet Service....
Looks nice,no connection to seller. Geo 3831436630 _____________________________________________________________ Switch to Netscape Internet Service. As low as...
Hi Bob, The posted schematic should be completed. Copied 10 years ago out of a manual and was the only schematic in it. Didn't copied the whole manual that...
I'll be glad to receive whatever is ready, for my files and continuing research. Thanks Geo ... _____________________________________________________________ ...
Hi, I have a Nuclear Chicago 2590 serie Cutie-pie survey meters manual. Is anyone interested in some scans? Let me know and I will make them and post them...
as far as I know, that company is out of business, so there is no problem posting the schematics. Space IS running out now, and we may have to start PAGE3...
Another factor is the ability of the HV power supply in the meter to provide the needed current for lower value strings. Handheld meters have much less "oompf"...
Hi Bob, You could also consider an active divider network. < http://www.electron-tubes.co.uk/lit/pmdr001.html > gives a good tutorial with the second part...
Hi all, I just looked at the "active divider network" page. I have used the "stack of mosfets" circuit for a different purpose, but it does work just fine....
yes and I emailed you about it. All is well. ... _____________________________________________________________ Switch to Netscape Internet Service. As low as...
http://www.princeton.edu/%7Eglobsec/publications/index.shtml The Effects of Nuclear Weapons, Compiled and edited by Samuel Glasstone and Philip J. Dolan, Third...
None of my Raytheon data gives the Gamma sensitivity (counts per min/ mR per hour) of their Geiger-Müller tubes. The only similar thing listed are their...
Having redone the experiment, now the figure of 2000 CPM seems pretty close according to actual bench measurements. In the earlier post, I got the two Ratheon...
There has been a number of posts recently concerning dynode voltage divider issues, but nothing has been said about the special conditions required to run a...
... to provide the needed current for lower value strings. Yes, I was surprised at how much of a voltage drop I got on my ludlum handheld meters even using...
Just checking the NRC events, < http://www.nrc.gov/reading-rm/doc-collections/event- status/event/2004/20040806en.html > Some guy died, and his son found 19Kg...
Hi, Link was broken: http://www.nrc.gov/reading-rm/doc-collections/event-status/event/2004/20040806en.html This will do the trick. Cheers, Oscar ... From:...
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