4-14 250cx Series Maternal/Fetal Monitor Revision C
2036947-001
Maintenance: Electrical Safety Tests
Dielectric (Hi-Pot) Tests
CAUTION
POWER OFF—Turn off the monitor prior to performing any of
the hi-pot tests.
Patient–to–AC-Line Using DC Voltage for 1 Minute
Connect the monitor to the hi-pot tester as shown on in the figure below.
NOTE: The hi-pot tester voltage is 5.656 kVdc.
Patient–to–AC-Line Using DC Voltage for 1 Minute (5.656 kVdc)
FECG: Connect an FECG test body to the monitor’s front panel ECG input.
The FECG test body can be the assembly leakage cable. Measure the voltage
breakdown.
F pass F fail
MECG: Connect an ECG test body to the monitor’s front panel ECG input. The
MECG test body can be a shorted MECG cable or the assembly leakage cable.
Measure the voltage breakdown.
F pass F fail
IUP: Connect an IUP test body to the monitor’s front panel UA input. The IUP
test body can be a SensorTip cable (wrapped in aluminum foil) or the assembly
leakage cable. Measure the voltage breakdown.
F pass F fail
MSpO
2
: Connect an MSpO
2
test body to the monitor’s front panel MSpO
2
input. The MSpO
2
test body can be an MSpO
2
cable and sensor (wrapped in
aluminum foil) or the assembly leakage cable. Measure the voltage breakdown.
165
172
30
87
98%
MECG
MSpO2
03:22:45
US2
FECG
TOCO
Print Freeze Alarms Setup VSHX
25 mm/s
II 2x
FECG
HBC
130/ 85
NIBP
MAP (107)
03:15
15:00
FMD
250cx Series Monitor
Assembly Leakage Cable
Hi-Pot Tester
DC Out
Ground
120 Monitor
AC Power Cord
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