Mirion Technologies UltraRadiac-Plus, User Manual, Page: 75 / 81

C. Display Units
Your unit’s display will show
R
or
Sv
*
3
. Any
unit can have larger and smaller subunits,
which are indicated by prefixes. As the Rate
and Dose change, the UltraRadiac-Plus will
automatically adjust its displayed units.
For example: The Rate may start with
µ
R/h
(natural background radiation is less than 20
µ
R/h
). If the Rate increases beyond 999
µ
R/h
,
the display will change to
mR/h
.
micro (
µ
)
µ
R
– one millionth of a
roentgen
milli (m) mR
– one thousandth of a
roentgen (or
µ
R
times
1000)
centi (c)**
cR
– one hundredth of a
roentgen (or
mR
times
10)
the base unit R
– one roentgen
(
cR
times 100)
3
The display units are set at the factory; they are not
user changeable.
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