D
IRECTION FR091521, REVISION 1 VIVID S60N/VIVID S70N BASIC SERVICE MANUAL
10-20 Section 10-3 - Why Perform Maintenance Procedures?
PRELIMINARY
10-6-6 Chassis Leakage Current Test
10-6-6-1 Definition
This test, also known as Enclosure Leakage current test, measures the current that would flow through
a grounded person who touches the accessible conductive parts of the equipment during normal and
fault conditions.
The test verifies the isolation of the power line from the chassis.
The testing meter is connected to parts of the equipment, easily contacted by the user or patient.
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.
Record the highest reading.
10-6-6-2 Generic Procedure
The test verifies the isolation of the power line from the chassis.
The testing meter is connected from accessible metal parts of the case to ground.
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.
Record the highest reading of current.
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 meter to an accessible metal surface of the Vivid™ S60/Vivid™ S70 ultrasound system
using the cable provided with the meter.
4.) Select the Chassis or Enclosure leakage function on the meter.
NOTE: For more information, refer to the safety analyzer's user manual.
5.) Test opening and closing the ground with the Vivid™ S60/Vivid™ S70 ultrasound system ON and
OFF as indicated in Table 10-11 on page 10-17 or Table 10-12 on page 10-17 as applicable.
DANGER ELECTRIC SHOCK HAZARD. WHEN THE METER'S GROUND SWITCH IS OPEN, DON'T
TOUCH THE ULTRASOUND SYSTEM!.
Equipment damage possibility. Never switch the Polarity and the status of Neutral when the
Ultrasound system is powered ON. Be sure to turn the Ultrasound system power OFF before
switching them using the POLARITY switch and/or the NEUTRAL switch. Otherwise, the
Ultrasound system may be damaged.
To Next Page
Loading...
Need help?
General
