D
IRECTION FR091521, REVISION 1 VIVID S60N/VIVID S70N BASIC SERVICE MANUAL
10-22 Section 10-3 - Why Perform Maintenance Procedures?
PRELIMINARY
10-6-7 Isolated Patient Lead (Source) Leakage – Lead-to-Ground
10-6-7-1 Definition
This test measures the current which would flow to ground from any of the isolated ECG leads. The
meter simulates a patient who is connected to the monitoring equipment and is grounded by touching
some other grounded surface.
Measurements should be made under the test conditions specified in:
• Table 10-11 on page 10-17
or
• Table 10-12 on page 10-17
as applicable.
For each combination, the operating controls (such as the lead switch) should be operated to find the
worst-case condition.
10-6-7-2 Generic Procedure
1) Connect Safety analyzer to wall AC power outlet.
2) Plug the equipment under test power cable into the receptacle on the panel of the meter.
3) Connect the ECG cable to the Vivid™ S60/Vivid™ S70 ultrasound system and the Patient leads to
the analyzer.
4) Select the Patient lead leakage function on the meter.
5) Test opening and closing the ground with the scanner on and off as indicated in Table 4-6 on page
4-18 or Table 4-7 on page 4-18, as applicable.
NOTE: Refer to the safety analyzer’s user manual that will be used to perform the tests.
Measurements should be made under the test conditions specified in:
• Table 10-11 on page 10-17
or
• Table 10-12 on page 10-17
as applicable.
For each combination, the operating controls (such as the lead switch) should be operated to find the
worst-case condition.
Equipment damage possibility. Never switch the Polarity when the Ultrasound system is
powered ON. Be sure to turn the Ultrasound system power OFF before switching the
polarity using the POLARITY switch. Otherwise, the Ultrasound system may be damaged.
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