New Station in Crawley UK

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7 years 8 months ago #2357 by g1bvi
Using a NetIO counter kit.
currently using SBM-20 tube

Boxing it soon and then going mobile.
Nick

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7 years 8 months ago #2358 by g1bvi
Replied by g1bvi on topic New Station in Crawley UK
Wow
just put some Tesco tomatoes up to the tube and the count goes up !!!!

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7 years 8 months ago #2359 by Bert490
Replied by Bert490 on topic New Station in Crawley UK
If the count is consistently much above background for those tomatoes, I would not eat them, and I would wonder why they are radioactive. If you are just starting out with Geiger counters, know that there can be a wide variation over time due to the random nature. What values of CPM are you seeing?

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7 years 8 months ago #2362 by g1bvi
Replied by g1bvi on topic New Station in Crawley UK
back ground is 20 to 23 CPM
Xherry on the vine tomatoes from The Netherlands increase count to 30.
Not excesive but it did come as a surprise !

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7 years 8 months ago #2366 by mw0uzo
Replied by mw0uzo on topic New Station in Crawley UK
Wow, yes that is surprising!
I will add you to the system now :)

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7 years 8 months ago #2367 by mw0uzo
Replied by mw0uzo on topic New Station in Crawley UK
Ok its done, check your PMs for the password.

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