Fluke Biomedical 37-040 - Manual (Page 14)

Nuclear Associates 37-040 & 37-041
Operators Manual
1-10
Table 1-4. Optical Density* of GAFCHROMIC Media at Various Temperatures
Wavelength 400nm 500nm 580nm
Absorbed Dose Temperature Temperature Temperature
10°C 25°C 40°C 10°C 25°C 40°C 10°C 25°C 40°C
50 kRads 0.257 0.266 0.284 0.416 0.437 0.493 1.190 1.265 1 .453
100 kRads 0.353 0.370 0.408 0.723 0.775 0.895 2.142 2.300 2.659
500 kRads 0.825 .0.890 0.913 2.306 2.540 2.632
1,000 kRads 1.135 1.180 1.201
* Data read 24 hours after irradiation.
Table 1-5. Post-Irradiation Density Growth at 25°C
Wavelength 400nm 500nm 580nm
Absorbed
Time After
Irradiation Time After
Irradiation Time After
Irradiation
Dose kRads 5 Hrs 24 Hrs 5 Hrs 24 Hrs 5 Hrs 24 Hrs
5.1 0.165 0.166 0.138 0.173 0.208 0.212
10.0 0.177 0.177 0.140 0.175 0.315 0.325
20.0 0.197 0.198 0.232 0.237 0.560 0.575
30.0 0.220 0.221 0.300 0.305 0.801 0.815
40.0 0.239 0.241 0.361 0.370 1.021 1.040
50.0 0.264 0.266 0.427 0.437 1.232 1.265
60.0 0.284 0.286 0.498 0.505 1.464 1.485
70.0 0.306 0.311 0.563 0.575 1.684 1.715
80.0 0.325 0.329 0.629 0.640 1.896 1.935
90.0 0.346 0.351 0.696 0.710 2.097 2.137
100.0 0.363 0.370 0.760 0.775 2.263 2.300
200.0 0.529 0.535 1.346 1.365
300.0 0.680 0.690 1.791 1.825
400.0 0.790 0.802 2.166 2.205
500.0 0.876 0.890 2.487 2.540
600.0 0.944 0.962 2.791 2.852
700.0 1.008 1.025
800.0 1.063 1.080
900.0 1.114 1.135
1000.0 1.160 1.180
1500.0 1.343 1.380
2000.0 1.494 1.535
2500.0 1.603 1.662
3000.0 1.708 1.770
3500.0 1.783 1.860
4000.0 1.856 1.940