Care and Maintenance
4-14 Ultrasound System – Common Service Information
Direction 5444964-100 English
Rev. 5
Electrical safety tests
Content in this section
The following topics and measurements are covered in this
section:
• ‘Uninterrupted Power Supply (UPS)’ on page 4-15
• ‘Safety test overview’ on page 4-16
• ‘Leakage current limits’ on page 4-19
• ‘Outlet test - wiring arrangement - USA and Canada’ on
page 4-23
• ‘Grounding continuity’ on page 4-24
• ‘Chassis leakage current test’ on page 4-25
• ‘Isolated patient lead (source) leakage–lead to ground’ on
page 4-29
• ‘Isolated patient lead (source) leakage–lead to lead’ on
page 4-31
• ‘Isolated patient lead (sink) leakage-isolation test’ on
page 4-33
• ‘Probe (Source) leakage current test’ on page 4-35
• ‘Isolated Probe (Sink) Leakage-Isolation Test’ on page 4-40
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