Care and Maintenance
4-26 Ultrasound System – Common Service Information
Direction 5444964-100 English
Rev. 5
Generic procedure
The test verifies the isolation of the power line from the chassis.
The testing Electrical Safety Analyzer is connected from
accessible metal parts of the case to ground. Measurements
should be made under the test conditions specified in:
• Table 4-6 on page 4-20, or
• Table 4-7 on page 4-21, as applicable.
Record the highest reading of current.
1. Connect the Safety analyzer to wall AC wall outlet.
2. Plug the equipment under test into the receptacle on the
panel of the Electrical Safety Analyzer.
3. Connect the Electrical Safety Analyzer to an accessible
metal surface of the Ultrasound system using the cable
provided with the Electrical Safety Analyzer.
4. Select the “Chassis” or “Enclosure Leakage” function on the
Electrical Safety Analyzer.
5. Test opening and closing the ground with the Ultrasound
system on and off as indicated in Table 4-6 on page 4-20 or
Table 4-7 on page 4-21 as applicable.
NOTE: For more information, refer to the safety analyzer’s user
manual that will be used to perform the tests.
The maximum allowable limit for chassis source leakage is
shown in:
• Table 4-6 on page 4-20, or
• Table 4-7 on page 4-21, as Chassis/Enclosure Leakage.
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