Siemens MOBILETT XP, Instructions For Use Manual, Page: 99 / 109

Dosimetry
MOBILETT
SPR8-230.621.01.03.02
97
of 106
Exposure Points
Siemens Exposure Points Table
The table shows how the kV and mAs values translates into exposure points. The
exposure point system is used to easily manipulate film density and contrast.
For example:
Increasing the exposure points one step will yield 25% increased film density.
Increasing the exposure points one step with mAs and decreasing it one step
with kV will yield higher contrast but the same density.
KV Points mAs KV Points mAs KV Points mAs
– -3 0.5 55 8 6,3 96 19 80
– -2 0.63 57 9 8 102 20 100
– -1 0.8 60 10 10 109 21 125
40 0 1 63 11 12,5 117 22 160
41 1 1.25 66 12 16 125 23 200
42 2 1.6 70 13 20 133 24 250
44 3 2 73 14 25 – 25 320
46 4 2.5 77 15 32 – 26 400
48 5 3.2 81 16 40
50 6 4 85 17 50
52 7 5 90 18 63