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Summary of Contents for Fluke MPS450
- Page 1 MPS450 Multiparameter Simulator Service Manual PN 2243361 February 2005 2005 Fluke Corporation, All rights reserved. Printed in USA All product names are trademarks of their respective companies.
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Page 2: Notices
Biomedical. All Rights Reserved Copyright 2005, Fluke Biomedical, a division of Fluke. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language without the written permission of Fluke Biomedical. - Page 3 During the warranty period, we will repair or, at our option, replace at no charge a product that proves to be defective, provided you return the product, shipping prepaid, to Fluke Biomedical. This warranty does not apply if the product has been damaged by accident or misuse or as the result of service or modification by other than Fluke Biomedical.
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Page 4: Safety Considerations
Authorized service personnel should service Fluke Biomedical's MPS450 Multiparameter Simulator (hereafter referred to as the MPS450). For safety reasons, although the power output from the MPS450 is not potentially dangerous, only an experienced technician should open the unit to access the inner electronics. -
Page 5: Abbreviations And Symbols
MPS450 SERVICE MANUAL ABBREVIATIONS AND SYMBOLS Abbreviations and Symbols blood pressure BrPM breaths per minute cubic centimeters digital-to-analog converter °C degrees Celsius (centigrade) hexadecimal mercury hertz kilohertz kilohm kΩ left arm (lead) liquid crystal display left leg (lead) milli- (10... -
Page 6: Table Of Contents
Control ..................5 ECG and Respiration ..............5 Blood Pressure ................5 Temperature................5 Cardiac Output ................5 MPS450 Functions ................6 Circuit Description................8 Introduction................8 Digital Printed Circuit Assembly ..........8 Analog Printed Circuit Assembly..........9 ECG Post Printed Circuit Assembly ......... 9 3 SCHEDULED MAINTENANCE Inside This Chapter................ - Page 7 MPS450 SERVICE MANUAL TABLE OF CONTENTS 4 CALIBRATION Inside This Chapter................ 12 General Calibration/Verification Information ....... 13 Warranty Disclaimer ............... 13 Required Equipment..............13 Calibration Instructions..............14 Setup for Calibration............... 14 Calibration Procedure ............. 14 Verification of Specs ..............19 Setup for Verification..............
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Page 8: General Information
Chapter 1 General Information Inside This Chapter PURPOSE AND SCOPE RELATIONSHIP OF THIS MANUAL TO OTHER PUBLICATIONS EQUIPMENT DESCRIPTION EQUIPMENT-RELATIONSHIP ILLUSTRATION... -
Page 9: Purpose And Scope
MPS450 features an RS-232 serial port and a connection for a battery eliminator. The left side of the MPS450 features a full set of universal ECG jacks, enabling the connection of any 3-, 5-, or 12-lead ECG device. AHA and IEC color-coded dots run along the left side of the face of the unit as an aid in connecting the corresponding U.S. -
Page 10: Equipment-Relationship Illustration
MPS450 SERVICE MANUAL GENERAL INFORMATION EQUIPMENT-RELATIONSHIP ILLUSTRATION The following diagram illustrates the relationships of the MPS450 top-level-assembly equipment: PN 2220532 PN 2179737 KEYBOARD DISPLAY EXTERNAL- BATTERY KEYBOARD DISPLAY RS-232 POWER CONNECTOR CONNECTOR CONNECTOR CONNECTOR CONNECTOR PN 2073578 DIGITAL ASSEMBLY ANALOG ASSEMBLY... -
Page 11: Functional Description
Chapter 2 Functional Description Inside This Chapter THEORY OF OPERATION MPS450 FUNCTIONS CIRCUIT DESCRIPTION... -
Page 12: Theory Of Operation
The MPS450 generates physiological waveforms simulating actual conditions in a patient. CON TROL The MPS450 is controlled by a microcomputer (MCU). The MCU runs its own embedded program. It obtains user input from the keyboard or serial port, writes to the display, and controls the circuits that generate patient simulations. -
Page 13: Mps450 Functions
MPS450 FUNCTIONS The MPS450 provides control over a wide array of testing parameters. The variety of normal and abnormal ECG waveforms replicated by the MPS450 can be used not only for testing arrhythmia-detection systems, but also for training medical personnel, hospital administrators, and staff. - Page 14 RS-232 serial port MPS450 features include a built-in RS-232 serial port Computer control that, when connected to a computer, enables instrument control through remote commands. In addition, a special command can be used to operate the MPS450 remotely in the numeric-control mode.
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Page 15: Circuit Description
Analog Assembly ECG Post Assembly Each of these circuit blocks is described below. (See also the MPS450 PCA images, available in the section called “Top-Level Assembly” in Chapter 6, “MPS450 Parts.”) D IG I TAL PR INT ED C IRCU I T A SS E MB LY... -
Page 16: Analog Printed Circuit Assembly
MPS450 SERVICE MANUAL FUNCTIONAL DESCRIPTION ANA LOG PR INT ED C IRCU I T A SS E MB LY The Analog PCA is the location of all patient-simulation circuits, which are controlled by the microcomputer on the Digital PCA: ECG-wave generation... -
Page 17: Scheduled Maintenance
Chapter 3 Scheduled Maintenance Inside This Chapter SCHEDULED MAINTENANCE REQUIREMENTS INSTRUCTIONS FOR PERFORMING SCHEDULED MAINTENANCE... -
Page 18: Scheduled Maintenance Requirements
Use only two new 9-volt alkaline batteries. (Note that the MPS450 operates continuously for 8 or more hours on two new 9-volt batteries.) INSTRUCTIONS FOR PERFORMING SCHEDULED MAINTENANCE... -
Page 19: Calibration
Chapter 4 Calibration Inside This Chapter GENERAL CALIBRATION / VERIFICATION INFORMATION CALIBRATION INSTRUCTIONS VERIFICATION OF SPECS... -
Page 20: General Calibration/Verification Information
Fluke Biomedical for factory calibration and service. However, if you choose to calibrate the MPS450, it is important to be aware that the warranty on the unit becomes void if the tamper-resistant Quality Seal on the rear panel is broken – Step # 3 in the calibration-setup instructions below –... -
Page 21: Calibration Instructions
NO by pressing the [F2] key. CA LIBRATION PROCEDUR E Following are calibration instructions for the MPS450. (Instructions to “Zero the DMM” refer to pressing the button [on the DMM] that nulls the reading.) NOTE: The following step numbers match the calibration step numbers displayed on the LCD screen of the MPS450 during the calibration procedure. - Page 22 (The display also indicates the DMM connections, the name of the step, and the required DMM reading.) Select UP or DOWN (by pressing the [F2] or [F1] keys) to adjust the MPS450 so that the DMM reads 5.0 ± 0.005 mV.
- Page 23 Connect the +DMM to the brown wire, and connect the –DMM to the yellow wire. Change the DMM setting to read 30 V DC with Null off. Adjust the power supply (NOT the MPS450) for 10 ± 0.01 V. (Note that this is the only adjustment that is not made on the MPS450.) Move the +DMM connection to the orange wire, and the –DMM connection to the blue wire.
- Page 24 CALIBRATION 13) BLOOD PRESSURE 2 –– 5 µV 240 mm: Select UP or DOWN (by pressing the [F2] or [F1] keys) to adjust the MPS450 so that the DMM reads 12 ± 0.012 mV. Select NEXT by pressing the [F4] key.
- Page 25 Select NEXT by pressing the [F4] key. 21) BLOOD PRESSURE 4 –– 5 µV 100 mm: Select UP or DOWN (by pressing the [F2] or [F1] keys) to adjust the MPS450 so that the DMM reads 5 ± 0.005 mV.
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Page 26: Verification Of Specs
3. Turn on the MPS450 by depressing the green button. 4. Wait until the power-up sequence has completed (6 seconds). VER IFICATION PROC EDUR E The following tables comprise verification procedures for the MPS450, using the terms below: EFERENCE Connections Refers to the connections to the DMM, such as “RA-RL”... -
Page 27: Verification Of Respiration-Baseline Specs
MPS450 SERVICE MANUAL CALIBRATION VERIFICATION OF RESPIRATION-BASELINE SPECS SETUP 1. Press the SETUP key. 2. Select RESP. 3. Select to select baseline impedance for the following steps. BASE STEPS ERIFICATION ONNECTIONS ISPLAY ETTING EADING RESPIRATION-BASELINE IMPEDANCE RA-RL IMPEDANCE RA-RL 3000 Ω... - Page 28 MPS450 SERVICE MANUAL CALIBRATION 6. Select EXE. The unit is now in a special calibration-test mode. The second line on the display shows the test name. 7. Select PREV or NEXT to scroll through the tests, and then select EXE to execute the test displayed on the LCD screen.
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Page 29: Verification Of Blood-Pressure Specs
4. Change the DMM setting to read 30 V DC with Null off. 5. Adjust the power supply (NOT the MPS450) for 10 ± 0.01 V. 6. Move the +DMM connection to the orange wire, and the –DMM connection to the blue wire. -
Page 30: Verification Of Cardiac-Output Specs
µV/V/mmHg LOW RANGE PEAK 4.87 – 5.13 VERIFICATION OF CARDIAC-OUTPUT SPECS SETUP 1. Connect the MPS450 temp/CO cable to CO/TEMP. 2. Connect the +DMM to the brown wire, and connect the –DMM to the blue wire. STEPS DMM R ERIFICATION... -
Page 31: Verification Of Temperature Specs
1. To exit the special calibration mode, press the ESC key several times. 2. To access the TEMPERATURE MENU, press the TEMP key. 3. Connect the MPS450 temp/CO cable to CO/TEMP. 4. Select UP or DOWN to set the temperature as indicated in the following steps. -
Page 32: Troubleshooting
Chapter 5 Troubleshooting Inside This Chapter TROUBLESHOOTING TIPS... -
Page 33: Troubleshooting Tips
Check the MPS450 BP-wiring diagram, and compare it with the monitor specification. Suggestion 3: The monitor may not be zeroed. Zero the MPS450 BP channel. Then, zero the monitor. Suggestion 4: The monitor sensitivity (scaling) may not be correct. Adjust scaling on the monitor, near the range simulated (e.g., 120 mmHg, etc.). - Page 34 There is no temperature reading. Suggestion 1: A temperature cable from the incorrect series may be in use. Check the manufacturer’s series for the thermistor used. Choose the correct Fluke Biomedical temperature cable for either the YSI 400 or 700 Series. FUNCTION:...
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Page 35: Mps450 Parts
Chapter 6 MPS450 Parts Inside This Chapter PARTS LIST... -
Page 36: Parts List
MPS450 SERVICE MANUAL MPS450 PARTS PARTS LIST Following is the parts list for the top assembly of the MPS450 Multiparameter Simulator: ESCRIPTION UMBER DISPLAY LCD 20 X 4 LINE 2179737 CONN HEADER 1X14 CES-114-01-S 2194494 LUG LOCK TERM #6 2194989...
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