[Milsurplus] RBZ vs RBZ Special?

[Al Klase]

Mike,

My decades out of calibration CD Victoreen 6B reads 0.1 mr/hr with the 
probe window closed from the outside of the case, and 0.3 with the 
window open.

YMMV,

Al


On 9/17/2013 2:39 PM, Mike Morrow wrote:
>> I passed a radiac set over my RBZ and RBZ Special and was shocked
>> to discover how "hot" they are
> Got any numbers (mR/hour)?  Gamma, beta, alpha?  I don't have a alpha-
> or beta-sensitive radiac.  My gamma-sensitive radiac indicates nothing
> from my two RBZ units, case off, probe held next to the dial rotor.  I
> used an AN/PDR-27, the same type of standard portable radiac used by
> operators in the US Navy's nuclear propulsion program.
>
> Alpha radiation, if present at all, can not penetrate the RBZ casing (even
> if the case were made from a sheet of paper).   Beta radiation would be
> extremely attenuated by the plastic casing.  The only radiation of concern
> is gamma radiation, which is very penetrative even through lead.  I detect
> no gamma.
>

-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/