... Yes he had several, by not working he said he put a tube in them and they do not work he does not test them more then that. He will sell you one less GM...
Shine a small LED flashlight into the charger port of your CDV pen dosimeter and point the other end towards a wall or piece of white paper. The dosimeter...
Hi Dave, Interesting printout. I have discovered that the uR/hr readings on mine have no relation to the actual reading during the alarm event. It would be...
Spectrum lab is a freeware program which displays audio frequency vs time. The range of frequencies displayed can range from 1 to 50,000 cycles on one screen...
Lenox, On this unit the reading during alarm does not seem to change, but it logs alarm conditions instantly -- something I tried unsuccessfully to avoid with...
Awesome! I need to make a jig with a small prism to turn the image around again. ... dosimeter and point the other end towards a wall or piece of white paper....
Today I toured a parking lot of granite slabs with my PM1703 and to my amazement found one that averaged more than 200 uR/h with a rusty- colored hotspot at...
All, Put your statistian hats on for a moment....... Generally speaking greater than 31 random samples of a population can be treated as normally distributed...
I am looking for a few good men/women. I have developed an in house, and very detailed procedure, for alignment of the Ludlum 2221 (I don't call it a...
When you say 21 measurements, what time scale is each measurement? For example, I do 60 minute backgrounds, then subtract them proportionally from the source...
That's a good idea...they are having the Showcase of Overpriced, Under-designed Homes again this weekend. I will take my pager with me if we go see any, and...
Hello Al; There was no link for what the state Rad guy sent... Thanks for the other info. The PM 1703 manual had a nice response curve on the last page that...
I get that but I may be moving to the lower-48 in the next year or so and it is already going to be hard enough to move my geek commando lab. ... 350055945958...
I am not surprised at the rusty colored hotspot... here in the Northwest, in the Cascade Mountains, we have lots of granite and in prospecting for minerals...
Mike, If you go by that slab yard again, how about getting some info off that slab. It will most likely have a bar code sticker on one of the ends, name of...
... I thought of doing that, but I didn't see a label. For those interested it is in Tacoma, WA in the stone yard along S Center Street just west of S Union...
... The only events recorded on my PM1703 are "Calibration" "The device on" and "The device off." None of the alarms have ever been recorded, perhaps because...
... I have a small slab of granite with a rusty mark. My Monitor 4EC doesn't seem to notice any radiation coming from it. What does your PM1703 read when...
I don't have any vasoline glass or fiestaware. I do have a small GEOelectronics Radium watch hand test source that was certified by a reliable source to read:...
Hi, I finally put all the detectors I collect over the years on my website. It is still under construction. All text as far there is text is Dutch, but in...
Just came across an eBay auction (280221720527) for a 9" Fiestaware bowl being sold by antique_oddities, The fun thing about this is that the main picture...
that meter only has the mR/H scale. Geo ... From: mikela784 To: GeigerCounterEnthusiasts@yahoogroups.com Sent: Saturday, May 03, 2008 11:36 AM Subject:...
Your state rad guy is confused. The regulations in 10 CFR Part 20 (and ALL state equivalents) are limits on what a licensee can expose his workers and the...
Wow! What a nice collection. ... website. It is still under construction. All text as far there is text is Dutch, but in time.. ... tubes, NaI x-tal under...
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