Grounding Continuity - GE Voluson E Series Service Manual

10.6.4 Grounding Continuity

Danger : 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
Caution
Lacquer is an isolation barrier! Measure only on blank accessible metal parts.
Voluson E-Series Service Manual
5539550APB Revision 6
Figure 10-2 Ground Continuity Test
3 Ohmmeter
4 accessible Metal Parts such as:
•
Potential equilibrium connector
•
Monitor housing
•
Probe connector
Care and Maintenance
10-13