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43192

Re: SBM-20 array that works on a CDV-700

Very nice "instructable". I like how easy it is to remove tubes from the circuit. That would make it easy to check to see how linear the response is to the
m1i8k3e6
May 24
#43192
 
43191

Re: SBM-20 array that works on a CDV-700

Very very good. That's basically what Detectron did with the DR 390, and its 24 ea. 6306 Bizmuth tubes, back in the 50s. They were used for Aerial
Robert Druecker
May 24
#43191
 
43190

SBM-20 array that works on a CDV-700

http://www.instructables.com/id/Homemade-SBM-20-gamma-detector-array/ All the parts listed. Since Radio Shack is going away, I used eBay and Home Depot for
David Nix
May 23
#43190
 
43189

Radio Shack CDV-700 parts deals

Radio Shack's going out of business discounts have gone to 50% lately. I got packs of 4.7k ohm resistors for 50 cents and their 9v battery powered speakers
David Nix
May 19
#43189
 
43188

Re: It's obvious. Real Vic 6993 tubes are wired differently [1 Attac

Dunno if it helps but I'm looking at the pins on three different tubes and one of them is a Vic with the yellow wrap still on it. The other is an EON. The
C. R.
May 11
#43188
 
43187

It's obvious. Real Vic 6993 tubes are wired differently

I have a Vic 6993 tube that only works in some of my CDV-700's. I wrapped a wire around 2 and 3 and that fixed it, so I was about to solder the wire in place.
David Nix
May 11
#43187
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43186

parts for sale update

Warren got the pile of parts with the cans. What is left is 7 complete probe housings pictured. None have a tube. The eBay seller that listed NOS tubes has no
David Nix
May 5
#43186
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43185

Re: CDV-700 Pulser Calibration

Cliff, Thanks for staying up to reply and thanks for the calibration sheet. Pretty interesting. I figured out the calibration constants for the 44-9 and 44-2
m1i8k3e6
May 5
#43185
 
43184

Re: parts for sale

The probe casings are separate. If you need some, ask.
David Nix
May 5
#43184
 
43183

Re: parts for sale

Its fine, just wish I could of seen the probe casings earlier and then we could of made the deal.
da348506bb74d915cc652dab21948a6d
May 5
#43183
 
43182

Re: parts for sale

I sold them to Warren. Sorry. On 5/5/15 10:02 AM, Christopher Smith the.littlehorn@...
David Nix
May 5
#43182
 
43181

Re: parts for sale

Send me your address. my paypal is the same as the email on the header here.
David Nix
May 5
#43181
 
43180

Re: parts for sale

This is an example of one. Some have original cables, some have replacement cables and some are bare metal with the cable and socket removed. All have a bit of
David Nix
May 5
#43180
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43179

Re: parts for sale [1 Attachment]

Yes, Please.. Christopher Smith On Mon, May 4, 2015 at 9:28 PM, David Nix dnix71@... [CDV700CLUB]
Christopher Smith
May 5
#43179
 
43178

Re: CDV-700 Pulser Calibration

Dear Mike, Yes, the selectable channels for detector 1 & 2 are specifically calibrated to their associated probes. Detector 1 is the 44-9 pancake probe.
Defender
May 4
#43178
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    M2241-2 with detectors March 2007 Rev 2.pdf
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    M2241-2 Calibration Procedures 19Jan00 OBS.pdf
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