NukeWorker Forum
Career Path => Radiation Safety => Topic started by: wlrun3@aol.com on Dec 13, 2011, 04:36
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Re: shipping survey meter choice?
« Reply #31 on: Today at 04:28:35 PM »
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Quote from: Marlin on December 06, 2011, 06:21:42 PM
I think ya'll are over thinking the energy dependence thing. To be used as a dose rate instrument a GM must be calibrated for the energy range it is used in. Yes it is a count rate meter but even a frisker can be used to guestimate doserate in a gamma field, about 1200 to 1500 cpm/mr-hr in a Co60 gamma flux and about 3000 cpm/mr-hr in a uranium produced gamma flux.
An ion chamber is energy independent because it does not matter what the energy of the flux is.
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