Grounding Continuity - GE LOGIC C2 Series Technical Publication

Care and Maintenance

Grounding continuity

DANGER
CAUTION
4-24
Electric Shock Hazard!
The patient or operator MUST NOT come into contact with the equipment
during this test.
Measure the resistance from the third pin of the attachment plug
to the exposed metal parts of the case. The ground wire
resistance should be less than 0.2 ohms. Reference the
procedure in the IEC60601-1-1 and/or IEC62353.
1. Ultrasound System
2. Ground Pin
3. Ohmmeter or Electrical Safety
Analyzer
Figure 4-2. Ground continuity test
Lacquer is an isolation barrier! Measure only on blank
accessible metal parts.
Ultrasound System
4. Accessible Metal Part such as:
• Potential equilibrium connector
• Monitor housing
• Probe connector
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Common Service Information
Direction 5444964-100 English Rev. 5