GE Corometrics 250 Series - Technical Specifications of the Corometrics 250 Series Monitor

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Revision D 250 Series Maternal/Fetal Monitor A-1

2020551-001

A Technical Specifications

This section contains a detailed list of the technical specifications for the 250 Series

Monitor.

Main Page

Table of Contents7
Introduction15
Revision History15
Safety Information17
Responsibility of the Manufacturer17
Responsibility of the User17
References to Persons, Places, and Institutions17
Hazard Definitions18
Product Specific Hazards19
Cautions22
Electromagnetic Interference23
Equipment Symbols24
Service Requirements25
Equipment ID25
Intended Audience25
Intended Use26
Related Manuals27
Equipment Overview29
Equipment Description31
Front Panel Description32
Front Panel Displays35
Display Example36
Setup Screens36
Softkeys36
Mode Title Softkeys36
Waveform Softkeys37
Dedicated Softkey Area37
Rear Panel Description40
Optional Components42
Software Upgrades42
Adding Spectra Alerts42
Adding Fetal Movement Detection42
Peripheral Components42
Nellcor® Puritan Bennett Model N-200 Maternal Pulse Oximeter42
Nellcor Puritan Bennett Model N-400 Fetal Pulse Oximeter43
DINAMAP® Models PRO Series 100-400 and Procare43
Quantitative Sentinel/Perinatal System44
Theory of Operation46
Systems Overview46
Installation55
Tools Required57
Connections57
Fetal Acoustic Stimulator57
Remote Marks Connector57
ECG out Connector57
J101 Connector (Model 340 Telemetry System Interface)58
J109, J110, and J111 Connectors (RS-232C)59
Power60
Self-Test Routine61
Battery-Backed RAM Status62
Setup63
Loading Strip Chart Recorder Paper63
Mounting a Strain Gauge66
Setup Screens66
Service Mode Screens66
Service Lock Screen67
Install Options Screens68
Printing System Setup Information74
Communications Setup Screen75
Baudrate75
Mode75
Configuration Switches76
Factory Defaults77
Maintenance81
Maintenance Schedule83
Visual Inspection84
Cleaning85
Monitor Exterior85
Display86
Tocotransducer and Ultrasound Transducer86
Leg Plates and MECG Cables86
Maternal NIBP Cuffs and Hoses87
Periodic Thermal Printhead Cleaning88
Cleaning the UA Strain Gauge88
Disposal of Product Waste89
Patient Applied Parts89
Packaging Material90
Monitor90
Electrical Safety Tests90
Initial Conditions90
AC Line90
Ground Impedance90
Unit to Primary Leakage90
Patient-To-Ground Leakage for ECG91
Patient-To-Line Leakage for ECG92
Patient-To-Ground Leakage for IUP92
Patient-To-Line Leakage for IUP93
Patient-To-Ground Leakage for Mspo93
Patient-To-Line Leakage for Mspo94
Patient-To-Ground Leakage for US94
Patient-To-Line Leakage for US95
Patient-To-Ground Leakage for US295
Patient-To-Line Leakage for US296
Ground Continuity96
Dielectric (Hi-Pot) Tests96
Checkout99
General99
Equipment Required100
Self-Test Routine100
Front Panel Button Test102
Connecting the Simulator102
MECG Test103
FECG Test106
Ultrasound Test109
Fetal Movement Detection Test111
Ultrasound Transducer Test112
Uterine Activity Test113
Testing the Tocotransducers115
Strain Gauge Transducer Test116
Pattern Memory Test117
Dual Heart Rate Test (Non-Pattern)118
FECG/US Modes118
Dual Ultrasound Modes119
Alarm Test120
Mspo Test122
NIBP Calibration and Testing123
Purpose123
Required Hardware123
General Calibration Sequence123
Calibration Verification124
Calibrate Transducers124
Overpressure Detection125
System Leakage125
Display Check125
Checking a Display126
Verifying the DSP Board Operation126
Maternal Spo Calibration127
Hardware Switches127
Main Board SW1 Switch Settings128
J102 Analog Output Connector DAC Static Test128
Verification129
RS-232C Connector Loopback Test131
Making a Loopback Test Connector131
Testing the Port(S)131
Calibration132
Before You Begin Electronic Calibration133
General133
Handling Precautions133
Power Supply Voltages-Verification133
Main Board Power Supply Voltages133
Isolated Power Supply Board Voltages134
Isolated FECG/UA Board Voltages134
Recorder Photosensor Calibration135
Adjusting the Paper-Low Photosensor135
Adjusting the Paper-Out Photosensor135
Adjusting the Paper-Loading Sensor136
Repair Log137
Preventative Maintenance Inspection Report138
Configuration138
Tools Required138
Visual Inspection138
Comments141
Troubleshooting143
Diagnostic Tests145
Main Motherboard and DSP Board Self-Test145
Monitor Self-Test145
Error Log Screen145
Diagnostic Control Screen147
Recorder Calibration Test148
CPU Version148
DSP Version148
Run Time149
Recorder Time149
Recorder Servicing149
Faqs158
System Troubleshooting179
General Troubleshooting188
Ultrasound Troubleshooting189
FECG Troubleshooting189
External Uterine Activity Troubleshooting190
Internal UA Troubleshooting191
MECG Troubleshooting191
Blood Pressure Troubleshooting192
Maternal Pulse Oximetry Troubleshooting193
Parts List, Drawings, and Replacement195
Ordering Parts197
Service Parts197
Field-Replaceable Units (Frus)198
FRU List198
FRU Main Reference Guide Drawing200
Assembly/Disassembly of Frus202
2025177-003 Speaker202
2025177-004 Main Board202
2025177-005 DSP Board203
2025177-006 Main Power Supply203
2025177-007 Dual Ultrasound Board204
2025177-008 FECG/UA Board205
2025177-009 Isolated Power Supply Board205
2025177-010 Spo2 Carrier Board with Nellcor Mspo2 Module206
2025177-011 Spo2 Carrier Board with Masimo Mspo2 Module206
2025177-012 Spo2 Carrier Board with Trusignal Mspo2 Module207
2025177-013 Front-End Motherboard208
2025177-014 Chassis209
2025177-016 COMM Board212
2025177-017 Recorder Assembly212
2025177-018 Recorder Board213
2025177-019 Cables215
2025177-020 Pneumatics Assembly216
2025177-021 Display Assembly217
2025177-022 Front Bezel217
2025177-023 Keypads220
2025177-026 Trim Knob and Encoder221
2025177-027 Power Switch Assembly222
2025177-028 Main Power Supply222
2025177-029 MECG Board224
2025177-031 Top Cover Gasket224
Technical Specifications228
General Monitor229
Operating Modes230
Strip Chart Recorder237
Alarms Summary240
Electromagnetic Compatibility245
Guidance and Manufacturer's Declaration - Electromagnetic Emissions245
Guidance and Manufacturer's Declaration - Electromagnetic Immunity246
Recommended Separation Distances248
Compliant Cables and Accessories249

GE Corometrics 250 Series - Technical Specifications of the Corometrics 250 Series Monitor

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