Imaging Sciences i-Cat 17-19 - Scatter Measurements for 20 Second PAN Scan, Large 2 X2

17-19 Operators’ Manual
990400 Rev C 2010 May 1
13-6
Scatter Measurements for 20 Second PAN Scan,
Large 2x2
NOTE: Measurements of ND denote “non-detectable”, less than
0.001 mR.
Location
Distance in
Feet
[meter]
Exposure
(mR)
Exposure
(R)
Exposure
mR/mAs
10
scans/wk
mR/wk
25
scans/wk
mR/wk
50
scans/wk
mR/wk
0
o
3 [0.91m] 0.115 115.0 1.15 1.15 2.88 5.75
6 [1.82m] 0.033 33.0 0.33 0.33 0.83 1.65
9 [2.74m] 0.013 13.0 0.13 0.13 0.33 0.65
315
o
3 [0.91m] 0.120 120.0 1.20 1.20 3.00 6.00
6 [1.82m] 0.028 28.0 0.28 0.28 0.70 1.40
9 [2.74m] 0.012 12.0 0.12 0.12 0.30 0.60
270
o
3 [0.91m] 0.099 99.0 0.99 0.99 2.48 4.95
6 [1.82m] 0.021 21.0 0.21 0.21 0.53 1.05
9 [2.74m] 0.008 8.0 0.08 0.08 0.20 0.40
225
o
3 [0.91m] 0.025 25.0 0.25 0.25 0.63 1.25
6 [1.82m] 0.004 4.0 0.04 0.04 0.10 0.20
9 [2.74m] ND 0.0 0.00 0.00 0.00 0.00
180
o
3 [0.91m] 0.031 31.0 0.31 0.31 0.78 1.55
6 [1.82m] 0.006 6.0 0.06 0.06 0.15 0.30
9 [2.74m] 0.002 2.0 0.02 0.02 0.05 0.10
135
o
3 [0.91m] 0.029 29.0 0.29 0.29 0.73 1.45
6 [1.82m] 0.005 5.0 0.05 0.05 0.13 0.25
9 [2.74m] 0.001 1.0 0.01 0.01 0.03 0.05
90
o
3 [0.91m] 0.095 95.0 0.95 0.95 2.38 4.75
6 [1.82m] 0.021 21.0 0.21 0.21 0.53 1.05
9 [2.74m] 0.008 8.0 0.08 0.08 0.20 0.40
45
o
3 [0.91m] 0.128 128.0 1.28 1.28 3.20 6.40
6 [1.82m] 0.032 32.0 0.32 0.32 0.80 1.60
9 [2.74m] 0.012 12.0 0.12 0.12 0.30 0.60
3 Feet above
0.010 10.0 0.10 0.10 0.25 0.50
3’ up/down and 3’ out
0.244 244.0 2.44 2.44 6.10 12.20