50
20
002
0.1
{
1O
,
Gammo Intensity , r/hr
w
—
Qo
nN
oO
3
Figure B.1 GITR Model 103 low~range detector output pulse perioc
as a function of gamma intensity for Co™ and Cs#*. The longitudinal
axes of the detector and the beam were parallel. and the electronics
housing was directed away fromthe source.
Output Pulse Period, Seconds
Output Pulse Period , Seconds
100
Gamma Intensity , 10° r/hr
Figure B.2 GITR Mode! 103 high-range detector output
pulse period as a function of gamma intensity for Co™
and Cs¥’. The longitudinal axes of the detector and thu
beam were parallel, and the electronics housing was
directed away from the source.
93
100