Emitted Doses
To obtain the dose in mGy.cm2, multiply the values listed in table 3-6 by the exposed surface. The exposed surface depends on the collimator type used as indicated in table 3-7.
Table 3–6 Measured Dose at the End of the 20 cm (8 in.) Cone
|
70 kV - 7 mA |
60 kV - 7 mA |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
t(s) |
D mGy |
t(s) |
D mGy |
t(s) |
D mGy |
t(s) |
D mgY |
t(s) |
D mGy |
t(s) |
D mGy |
t(s) |
D mGy |
t(s) |
D mgY |
|
0.010 |
0.09 |
0.260 |
2.22 |
0.510 |
4.36 |
0.760 |
6.49 |
0.010 |
0.06 |
0.260 |
1.58 |
0.520 |
3.17 |
1.050 |
6.40 |
|
0.020 |
0.17 |
0.270 |
2.31 |
0.520 |
4.44 |
0.770 |
6.58 |
0.020 |
0.12 |
0.270 |
1.64 |
0.540 |
3.29 |
1.100 |
6.70 |
|
0.030 |
0.26 |
0.280 |
2.39 |
0.530 |
4.53 |
0.780 |
6.66 |
0.030 |
0.18 |
0.280 |
1.71 |
0.560 |
3.41 |
1.150 |
7.01 |
|
0.040 |
0.34 |
0.290 |
2.48 |
0.540 |
4.61 |
0.790 |
6.75 |
0.040 |
0.24 |
0.290 |
1.77 |
0.580 |
3.53 |
1.200 |
7.31 |
|
0.050 |
0.43 |
0.300 |
2.56 |
0.550 |
4.70 |
0.800 |
6.83 |
0.050 |
0.30 |
0.300 |
1.83 |
0.600 |
3.65 |
1.250 |
7.62 |
|
0.060 |
0.51 |
0.310 |
2.65 |
0.560 |
4.78 |
0.810 |
6.92 |
0.060 |
0.37 |
0.310 |
1.89 |
0.620 |
3.78 |
1.300 |
7.92 |
|
0.070 |
0.60 |
0.320 |
2.73 |
0.570 |
4.87 |
0.820 |
7.00 |
0.070 |
0.43 |
0.320 |
1.95 |
0.640 |
3.90 |
1.350 |
8.22 |
|
0.080 |
0.68 |
0.330 |
2.82 |
0.580 |
4.95 |
0.830 |
7.09 |
0.080 |
0.49 |
0.330 |
2.01 |
0.660 |
4.02 |
1.400 |
8.53 |
|
0.090 |
0.77 |
0.340 |
2.90 |
0.590 |
5.04 |
0.840 |
7.17 |
0.090 |
0.55 |
0.340 |
2.07 |
0.680 |
4.14 |
1.450 |
8.83 |
|
0.100 |
0.85 |
0.350 |
2.99 |
0.600 |
5.12 |
0.850 |
7.26 |
0.100 |
0.61 |
0.350 |
2.13 |
0.700 |
4.26 |
1.500 |
9.14 |
|
0.110 |
0.94 |
0.360 |
3.07 |
0.610 |
5.21 |
0.860 |
7.34 |
0.110 |
0.67 |
0.360 |
2.19 |
0.720 |
4.38 |
1.550 |
9.44 |
|
0.120 |
1.02 |
0.370 |
3.16 |
0.620 |
5.29 |
0.870 |
7.43 |
0.120 |
0.73 |
0.370 |
2.25 |
0.740 |
4.51 |
1.600 |
9.75 |
|
0.130 |
1.11 |
0.380 |
3.25 |
0.630 |
5.38 |
0.880 |
7.52 |
0.130 |
0.79 |
0.380 |
2.31 |
0.760 |
4.63 |
1.650 |
10.05 |
|
0.140 |
1.20 |
0.390 |
3.33 |
0.640 |
5.47 |
0.890 |
7.60 |
0.140 |
0.85 |
0.390 |
2.38 |
0.780 |
4.75 |
1.700 |
10.36 |
|
0.150 |
1.28 |
0.400 |
3.42 |
0.650 |
5.55 |
0.900 |
7.69 |
0.150 |
0.91 |
0.400 |
2.44 |
0.800 |
4.87 |
1.750 |
10.66 |
|
0.160 |
1.37 |
0.410 |
3.50 |
0.660 |
5.64 |
0.910 |
7.77 |
0.160 |
0.97 |
0.410 |
2.50 |
0.820 |
4.99 |
1.800 |
10.97 |
|
0.170 |
1.45 |
0.420 |
3.59 |
0.670 |
5.72 |
0.920 |
7.86 |
0.170 |
1.04 |
0.420 |
2.56 |
0.840 |
5.12 |
1.850 |
11.27 |
|
0.180 |
1.54 |
0.430 |
3.67 |
0.680 |
5.81 |
0.930 |
7.94 |
0.180 |
1.10 |
0.430 |
2.62 |
0.860 |
5.24 |
1.900 |
11.57 |
|
0.190 |
1.62 |
0.440 |
3.76 |
0.690 |
5.89 |
0.940 |
8.03 |
0.190 |
1.16 |
0.440 |
2.68 |
0.880 |
5.36 |
1.950 |
11.88 |
|
0.200 |
1.71 |
0.450 |
3.84 |
0.700 |
5.98 |
0.950 |
8.11 |
0.200 |
1.22 |
0.450 |
2.74 |
0.900 |
5.48 |
2.000 |
12.18 |
|
0.210 |
1.79 |
0.460 |
3.93 |
0.710 |
6.06 |
0.960 |
8.20 |
0.210 |
1.28 |
0.460 |
2.80 |
0.920 |
5.60 |
2.100 |
12.79 |
|
0.220 |
1.88 |
0.470 |
4.01 |
0.720 |
6.15 |
0.970 |
8.28 |
0.220 |
1.34 |
0.470 |
2.86 |
0.940 |
5.72 |
2.200 |
13.40 |
|
0.230 |
1.96 |
0.480 |
4.10 |
0.730 |
6.23 |
0.980 |
8.37 |
0.230 |
1.40 |
0.480 |
2.92 |
0.960 |
5.85 |
2.230 |
14.01 |
|
0.240 |
2.05 |
0.490 |
4.18 |
0.740 |
6.32 |
0.990 |
8.45 |
0.240 |
1.46 |
0.490 |
2.98 |
0.980 |
5.97 |
2.240 |
14.62 |
|
0.250 |
2.14 |
0.500 |
4.27 |
0.750 |
6.41 |
1.000 |
8.54 |
0.250 |
1.52 |
0.500 |
3.05 |
1.000 |
6.09 |
2.500 |
15.23 |
 |
Note: Dose accuracy: +/- 30% (mGy). |
