Checking X-Ray Tube High Voltage, Tube Current And Mas Values - Siemens MAMMOMAT 1000 Nova Installation And Start-Up Instructions Manual

Checks with high voltage

Checking X-ray tube high voltage, tube current and mAs values

1. System "ON".
2. Set the "cassette loaded" switch to "OFF" with the Service Program:
3. Trigger test exposures with the following exposure values and check the kV
4. Replace the jumper previously removed from sockets X3 and X4 on P.C. board
Siemens AG
Medical Solutions
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Configuration Miscellaneous
values and tube current characteristic on the oscilloscope (see oscillograms).
The accuracy of the kV is
For mA values < 50 mA, the accuracy of the kV is
5 ms.
The tube current must rise quickly to the set value at the beginning of the expo-
sure and run linearly during the exposure.
The accuracy of the mAs product must be
D710.
Register 3
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Cassette loaded check
5% plus 1.5 kV during the first 5 ms of the exposure.
& &
10%.
&
SPB7-230.033.11
Rev. 06 05.06
.
5% plus 2 kV during the first
& &
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