Ametek Dycor 100 AMU Multiplier, Руководство пользователя

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4-4 | DYCOR LCD RESIDUAL GAS ANALYZER WITH SYSTEM 2000 SOFTWARE
ture needed to maintain a pressure of 10
-5
Torr in the quadrupole region.
Aperture Size (microns) = 50/(sample chamber pressure)
.5
aperture Size pressure Ratio max. Sample
(Microns) Chamber Pressure (Torr)
2 6.0 x 10 7 600
5 1.0 x 10 7 100
10 2.5 x 10 6 25
20 6.0 x 10 5 6
50 1.0 x 10 5 1
100 2.5 x 10 4 .25
200 6.0 x 10 3 6.0 x 10 -2
500 1.0 x 10 3 1.0 x 10 -2
1000 2.5 x 10 2 2.5 x 10 -3
No Aperture 70 7.0 x 10 -4
Figure 4-3.
pressure reduction
ratios for aperture
inlet diameters.