Thermo Scientific SAM12, Руководство пользователя

Страница: 116 / 176

Technical Description - Physics Issue: 1.0
6-12 SAM12 User Manual Thermo Fisher Scientific
(8-10) (8-10)
A full Type Test Report is available from Thermo Fisher
Scientific on request.
Detection of 5,000 DPM (83 Bq)
60
Co.
Typical performance in 10
μ
R/hr (0.1
μ
Sv/hr) Background.
< 1 False Alarm in 1000 Measurements
(all figures typical )
Measurement
Confidence SAM11
Model
60
Co
Eff.
Typical
Background Monitoring
Time
6C-2L 61% 350 cps 4.5s
6C-1L 61% 550 cps 7.1s
99% (2.4
σ
)
4C-1L 45% 350 cps 8.5
6C-2L 61% 350 cps 3.3s
6C-1L 61% 550 cps 5.2s
95% (1.65
σ
)
4C-1L 45% 350 cps 6.1s
6C-2L 61% 350 cps 2.8s
6C-1L 61% 550 cps 4.4s
90% (1.3
σ
)
4C-1L 45% 350 cps 5.2s
A full Type Test Report is available from Thermo Fisher
Scientific on request.
Table 3- Probability - Sigma and %
Sigma Probability
0.0 50.00%
0.1 53.98%
0.2 57.93%
0.3 61.79%
0.4 65.54%
0.5 69.15%
0.6 72.57%
0.7 75.80%
0.8 78.81%
0.9 81.59%
1.0 84.13%
1.1 86.43%
1.2 88.49%
1.3 90.32%
1.4 91.92%
1.5 93.32%
1.6 94.52%
1.7 95.54%
Typical
60
Co detection
performance
Probability – Sigma and %