BNC SAM 935 Portable Gamma Spectroscopy System - Manual (Page 63)

SAM 935™ Instruction Manual 59
7.4 Manual MCA Report
The MCA report is available only in Manual mode of operation, which is described in Section 5.4.
MCA REPORT
DATE: 15-Jul-1999 13:28 BIAS: 768
EN CAL DATE: 15-Jul-1999 10:29 COARSE GAIN: 1
FINE GAIN: 1.62
BKG DATE: 15-Jul-1999 10:29 LOW DISC: 1.00%
GROSS CPM: 306479 HIGH DISC: 100.05%
NET CPM: 305978 ELAPSED LT: 146.43
GROSS INTEGRAL: 747963 ELAPSED RT: 152.90
NET INTEGRAL: 746740 DEAD TIME: 4.23%
FULL SCALE: 47384
PEAKS FOUND
CHN ENERGY GROSS AMBIENT CONTINUUM NET UNC
(keV) CPM CPM CPM CPM %
14 31.4 39114 20 5996 33097 ñ 0.38 Cs137
30 77.7 16519 75 14698 1745 с 4.72
56 205.4 32971 63 27766 5141 с 2.26
88 434.4 29850 24 21555 8270 с 1.34
111 656.6 91322 20 5293 86008 с 0.22 Cs137
130 871.3 343 17 320 5 с 211
141 1005.6 197 12 141 43 с 21.1
160 1270.7 126 11 31 83 с 8.93
2 OF 2 LIBRARY LINES FOR Cs137 FOUND Correlation =1.00
LINE PEAK INTENSITY NET CPM
32.9 31.5 7.12 33097
661.7 656.3 85.21 86008
NUCLIDES NOT PRESENT:
1 OF 2 LIBRARY LINES FOR Co60 FOUND Correlation =0.25
1 OF 7 LIBRARY LINES FOR Eu152 FOUND Correlation =0.10
0 OF 1 LIBRARY LINES FOR Co57 FOUND Correlation =0.00
LINES NOT ASSOCIATED WITH ANY NUCLIDE:
Energy Net CPM Eff Corrected
78.2 1745.1 8074.1 C
207.2 5141.2 31958.2 C
434.7 8270.0 116042.1 C
859.1 5.7 299.3 C
1012.9 43.8 2956.1 C
1271.9 83.6 6768.4 C