Emitted Doses - Kodak 2200 User Manual

Intraoral x-ray system
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Emitted Doses

Table 24. Dose measured at extremity of 20 cm (8 in.) cone: film mode
t (s)
D
t (s)
(mGy)
0.010
0.09
0.260
0.020
0.17
0.270
0.030
0.26
0.280
0.040
0.34
0.290
0.050
0.43
0.300
0.060
0.51
0.310
0.070
0.60
0.320
0.080
0.68
0.330
0.090
0.77
0.340
0.100
0.85
0.350
0.110
0.94
0.360
0.120
1.02
0.370
0.130
1.11
0.380
0.140
1.19
0.390
0.150
1.28
0.400
0.160
1.36
0.410
0.170
1.45
0.420
0.180
1.53
0.430
0.190
1.62
0.440
0.200
1.71
0.450
0.210
1.79
0.460
0.220
1.88
0.470
0.230
1.96
0.480
0.240
2.05
0.490
0.250
2.13
0.500
Note
Dose accuracy: +/- 30% (mGy)
1 August 2006
To obtain the dose in mGy.cm
surface. The exposed surface depends on the collimator that is used and is
indicated in Table 28 on page 5-13.
70 kV—7 mA
D
t (s)
D
t (s)
(mGy)
(mGy)
2.22
0.510
4.35
0.760
2.30
0.520
4.43
0.770
2.39
0.530
4.52
0.780
2.47
0.540
4.60
0.790
2.56
0.550
4.69
0.800
2.64
0.560
4.78
0.810
2.73
0.570
4.86
0.820
2.81
0.580
4.95
0.830
2.90
0.590
5.03
0.840
2.98
0.600
5.12
0.850
3.07
0.610
5.20
0.860
3.15
0.620
5.29
0.870
3.24
0.630
5.37
0.880
3.33
0.640
5.46
0.890
3.41
0.650
5.54
0.900
3.50
0.660
5.63
0.910
3.58
0.670
5.71
0.920
3.67
0.680
5.80
0.930
3.75
0.690
5.88
0.940
3.84
0.700
5.97
0.950
3.92
0.710
6.05
0.960
4.01
0.720
6.14
0.970
4.09
0.730
6.22
0.980
4.18
0.740
6.31
0.990
4.26
0.750
6.40
1.000
2
, multiply values in the tables by the exposed
D
t (s)
D
(mGy)
(mGy)
6.48
0.010
0.06
6.57
0.020
0.12
6.65
0.030
0.18
6.74
0.040
0.24
6.82
0.050
0.30
6.91
0.060
0.37
6.99
0.070
0.43
7.08
0.080
0.49
7.16
0.090
0.55
7.25
0.100
0.61
7.33
0.110
0.67
7.42
0.120
0.73
7.50
0.130
0.79
7.59
0.140
0.85
7.67
0.150
0.91
7.76
0.160
0.97
7.84
0.170
1.04
7.93
0.180
1.10
8.02
0.190
1.16
8.10
0.200
1.22
8.19
0.210
1.28
8.27
0.220
1.34
8.36
0.230
1.40
8.44
0.240
1.46
8.53
0.250
1.52
SM701_K2200_2_en
60 kV—7 mA
t (s)
D
t (s)
D
(mGy)
(mGy)
0.260
1.58
0.520
3.17
0.270
1.64
0.540
3.29
0.280
1.71
0.560
3.41
0.290
1.77
0.570
3.53
0.300
1.83
0.600
3.65
0.310
1.89
0.620
3.78
0.320
1.95
0.640
3.90
0.330
2.01
0.660
4.02
0.340
2.07
0.680
4.14
0.350
2.13
0.700
4.26
0.360
2.19
0.720
4.38
0.370
2.25
0.740
4.51
0.380
2.31
0.760
4.63
0.390
2.38
0.780
4.75
0.400
2.44
0.800
4.87
0.410
2.50
0.820
4.99
0.420
2.56
0.840
5.12
0.430
2.62
0.860
5.24
0.440
2.68
0.880
5.36
0.450
2.74
0.900
5.48
0.460
2.80
0.920
5.60
0.470
2.86
0.940
5.72
0.480
2.92
0.960
5.85
0.490
2.98
0.980
5.97
0.500
3.05
1.000
6.09
t (s)
D
(mGy)
1.020
6.21
1.040
6.33
1.060
6.46
1.080
6.58
1.100
6.70
1.120
6.82
1.140
6.94
1.160
7.06
1.180
7.19
1.200
7.31
1.220
7.43
1.240
7.55
1.260
7.67
1.280
7.80
1.300
7.92
1.320
8.04
1.340
8.16
1.360
8.28
1.380
8.40
1.400
8.53
1.420
8.65
1.440
8.77
1.460
8.89
1.480
9.01
1.500
9.14
5-9

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