GE Corometrics 250cx Series Service Manual

Revision C 250cx Series Maternal/Fetal Monitor 4-15
2036947-001
Maintenance: Electrical Safety Tests
F pass F fail
 US: Connect an US test body to the monitor’s front panel US input. The US test
body should be an ultrasound transducer wrapped in aluminum foil. Measure
the voltage breakdown.
F pass F fail
 US2: Connect an US test body to the monitor’s front panel US2 input. The US
test body should be an ultrasound transducer wrapped in aluminum foil.
Measure the voltage breakdown.
F pass F fail
Patient–to–Chassis Using AC Voltage for 1 Minute
Connect the monitor to the hi-pot tester as shown below.
NOTE: The hi-pot tester voltage is 2.5 kVAC.
Patient–to–Chassis Using AC Voltage for 1 Minute (2.5 kVAC)
 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.
120
240
CAUTION: FEDERAL
LAW RESTRICTS THIS
DEVICE TO SALE BY
OR ON THE ORDER OF
A PHYSICIAN.
J103
J102
J109
RS232C
J110
RS232C
J111
RS232C
!
J101
!
J104
PUSH
!
!
!
100 -120V ~ 50-60HZ 100W
Munzinger Strae 3-5; D-79111 Freiburg Germany
GE Medical Systems Information Technolgies GmbH
European Representative
8200 West Tower Avenue; Milwaukee, WI, USA
GE Medical Systems Information Technologies, Inc
0086
CANADIAN PATS. 1,057,360 1,214,143
U.S. PATS. 3,982,528 4,533,926 4,573,479

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 Front
Hi-Pot Tester
AC Out
Ground
Assembly Leakage Cable
250cx Series Monitor Rear Panel
Equipotential (Ground Lug)

GE Corometrics 250cx Series Specifications

General

Type	Fetal Monitor
Model	250cx Series
Manufacturer	GE Healthcare
Fetal Heart Rate Monitoring	Yes
Ultrasound Frequency	1 MHz
Recorder Speed	1, 2, 3 cm/min
Maternal Parameters	ECG, NIBP, SpO2
FHR Range	30-240 bpm
TOCO Range	0-100
Connectivity	RS-232
Power Source	AC Power
Display	Color LCD