Thermo Scientific NITON XL3t 500, User Manual

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Radiation and General Safety
Radiation Profile
3-10 NITON XL3 Analyzer User’s Guide Thermo Scientific
Radiation Profile
Table 3-4 , Table 3-5 , Table 3-6 and Table 3-7 below describes the external
radiation dose rates that are present at various points in space around the
NITON XL3t analyzer when it is being used.
Figure 3-4 illustrates where
these dose rate points are relative to the analyzer.
* G = Alloy, B = Alloy Electronics, F = Dental Alloy, P = Precious Metals, M = Mining, D = Soil,
J = Exploration, A = Lead Paint, E = Thin Sample, H = Plastic
Table 3-4. Primary Beam Dose Rates in mSv/hr
Max Power
Settings Max Power
Settings Window
Contact
Deep Window
Contact
Shallow 5 cm
Deep 30 cm
Deep
kVp
µ
A Max in Following
Modes* (Filter) (mSv/hr) (mSv/hr) (mSv/hr) (mSv/hr)
40 50 G, D, E, A, P, F, M, J
(Main Filter) 1,410 1,410 50.00 6.3
40 50 B (Main Filter) 750 2,250 40.00 5.4
50 40 H (Main Filter), D, E,
M, J (High Filter) 1,090 4,060 84.0 12.2
20 100 D, H, E, M, J (Low
Filter) 1,450 31,717 5.2 0.5
15 100 A, B (Low Filter) 133 10,567 4.3 0.42
Table 3-5. Primary Beam Dose Rates in Rem/hr
Max Power
Settings Max Power
Settings Window
Contact
Deep Window
Contact
Shallow 5 cm
Deep 30 cm
Deep
kVp
µ
A Max in Following
Modes* (Filter) (Rem/hr) (Rem/hr) (Rem/hr) (Rem/hr)
40 50 G, D, E, A, P, F, M, J
(Main Filter) 141 141 5.00 0.63
40 50 B (Main Filter) 75 225 4.00 0.54
50 40 H (Main Filter), D, E,
M, J (High Filter) 109 406 8.4 1.22
20 100 D, H, E, M, J (Low
Filter) 145 3,171.7 0.52 0.05
15 100 A, B (Low Filter) 13.3 1,056.7 0.43 0.042