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REPORT COPYRIGHT VIOLATION IN REPLY
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Message Subject
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Any GLPers own or have access to CDV-715 Geiger Meter? People in Spain are measuring high levels of ionizing radiation with this apparatus.
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Poster Handle
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Red Hot Chilean Pepe |
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Post Content
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The Geiger tubes on these things are 65 years past their expiration dates.
If they can't reproduce the behavior on a modern meter then it's bogus.
Quoting: Anonymous Coward 80833944 The CVD-715 use a Ionization Chamber, not Geiger tubes, as detecting element. AFAIK, these can't expire. Plenty of other parts in there to go bad after 65 years. Ionization chambers go bad after about 10 years. They actually get more sensitive with age, which is why old smoke detectors go off all the time. Do you have any source to back up your disparaging statements? Or you are just making up numbers to discourage discussion of the topic because you dislike it? Because I have got a real interest in the subject and I have found documentation for all the models of Geiger Meters that appear in these videos, which by the way are still very popular and have plenty of people still using and trading them, without a single mention of parts going bad due to time. I also got the manuals for these instruments and again, no mention about time constraints. And please, to all who insist in calling these equipment “Geiger counters”, the apparatuses in the videos I have shared are not Geiger counters, these are Geiger METERS, specifically designed to detect Gamma radiation, while Geiger counters are for small / trace radiation sources, their entire measurement range would be the first line of the scale of a Geiger Meter. The CDV-715 was intended for radiological survey in a NUCLEAR WAR AFTERMATH, these are no ordinary Equipment.
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