[ RadSafe ] SI units

[PATTERSON Melissa]

Spencer,

You have a good point.  I work for Canberra and the units issue actually
leads to increased product development and manufacturing costs for us.
We are and must be a global products and services provider.  The US
economy and the nuclear/ radiation measurement market specifically is
the largest single market in the world.  But the sales opportunity in
the rest of the world which uses SI units is bigger.

This means that we either develop 2 versions of new instrument models or
we develop instruments that allow the user to select the units they wish
to display in.  

-Melissa

-----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] On
Behalf Of FISHER Spencer -NUCLEAR
Sent: Tuesday, January 16, 2007 2:05 PM
To: idias at interchange.ubc.ca; sandyfl at cox.net; nssihou at aol.com
Cc: radsafe at radlab.nl
Subject: [ RadSafe ] SI units

Last November I attended three Categorical Courses in Diagnostic
Radiology Physics at the RSNA/AAPM meeting in Chicago.  The courses were
on X-Ray Imaging and Radiation Dose Optimization.  All the units given
in the course were in SI units.  All of the speakers were Americans, and
all of the examples shown were US exampled.

In addition, almost all of the machines that display the Dose Area
Product do so in cGy and rad, since 1 cGy = 1 rad.  This includes many
of the machines that are manufactured in the USA.  The x-ray companies
are multinational and want a product that can be used anywhere.

Spencer M. Fisher
Health Physicist- Field Support
Radiation Protection Department
1549 Victoria St. E.
Whitby, Ont
L1N 9E3
905-430-2215 ext 3290
Fax: 905-430-8583
Pager: 416-372-9353
Cell Phone: 416-508-7216 


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