Siemens MOBILETT XP Digital Maintenance Instruction page 63

Inspection and maintenance
The mAs value can be calculated with the help of the oscilloscope display.
Calculating the mAs value (example):
Fig. 29: mAs calculation
Surface "A" corresponds to the mAs value.
mAs
mAs
PMF kV accuracy 40 kV, 5 mAs
PMF kV accuracy 81 kV, 2 mAs
PMF kV accuracy 133 kV, 10 mAs
•
Calculate and record the mAs values.
mAs meter method:
Use of the mAs jumper on PCB D907 directly on the single tank.
•
Remove the cover from single tank and connect the mAs meter to D907
(1/Fig. 30 / p.
•
Follow the same procedure as described in the "Oscilloscope method" section.
For more information on the measuring technique, refer to the user manual for the mAs
meter.
Siemens AG
Medical Solutions
= Tube current x Exposure time
= 340 mA x 0.006 s
64).
SPR8-230.831.30.03.02
11.05
= 2.0 mAs
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MOBILETT XP Digital