EDAN SE-3 Service Manual
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EDAN SE-3 Service Manual

Electrocardiograph
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Summary of Contents for EDAN SE-3

  • Page 2 This manual will help you understand the operation and maintenance of the product better. It is reminded that the product shall be used strictly complying with this manual. User’s operation failing to comply with this manual may result in malfunction or accident for which EDAN INSTRUMENTS, INC. (hereinafter called EDAN) can not be held liable.
  • Page 3 Terms Used in this Manual This guide is designed to give key concepts on safety precautions. WARNING A WARNING label advises against certain actions or situations that could result in personal injury or death. CAUTION A CAUTION label advises against actions or situations that could damage equipment, produce inaccurate data, or invalidate a procedure.

  • Page 4: Table Of Contents

    Table of Contents Chapter 1 Warranty and Service....................1 Chapter 2 Safety Guidance ......................4 2.1 List of Symbols........................4 2.2 Safety Information........................6 2.3 Warnings and Cautions ......................7 2.3.1 Safety Warnings ....................... 8 2.3.2 Lithium Battery Care Warnings ..................9 2.3.3 General Cautions......................
  • Page 5 7.2 Disinfection .......................... 47 7.3 Care and Maintenance ......................47 7.3.1 Recharge and Replacement of Battery ................47 7.3.2 Recorder Paper ....................... 48 7.3.3 Maintenance of Main Unit, Patient Cable and Electrodes ..........49 Chapter 8 Renewal Parts......................51...

  • Page 6: Chapter 1 Warranty And Service

    Limitation of Warranty Direct, indirect or final damage and delay caused by the following situations for which EDAN is not responsible may void the warranty:  Groupware is dismounted, stretched or redebugged.
  • Page 7 After receiving the RMA form from the service department, the customer sends defective parts to EDAN in advance. We will analyze the problems and discuss with the customer about either repairing or replacing the part(s). Once the maintenance fee is invoiced and paid, we will make sure to dispatch good part(s) to the confirmed address.
  • Page 8 SE-3 Electrocardiograph Service Manual Warranty and Service NOTE: EDAN should not have any obligation to the end-user or the customer who returns the goods without the notification by EDAN’s service department. The sender takes full responsibility for the accounted fee.

  • Page 9: Chapter 2 Safety Guidance

    SE-3 Electrocardiograph Service Manual Safety Guidance Chapter 2 Safety Guidance This chapter describes important issues related to safely servicing SE-3. The service provider must read and understand all the information presented in this manual before servicing a unit. 2.1 List of Symbols...
  • Page 10 SE-3 Electrocardiograph Service Manual Safety Guidance Sensitivity switch key Recall key 1mV calibration key & Copy key Mode/RST switch key Lead switch key Print/Stop key ON/OFF key Menu key Up arrow/Down arrow key Left arrow/ Right arrow key Recycle Part Number...

  • Page 11: Safety Information

    SE-3 Electrocardiograph Service Manual Safety Guidance Serial Number Date of Manufacture Manufacturer Authorized Representative in the European Community The symbol indicates that the device complies with the European Council Directive 93/42/EEC concerning medical devices. The symbol indicates that the device should be sent to the special agencies according to local regulations for separate collection after its useful life.

  • Page 12: Warnings And Cautions

    SE-3 Electrocardiograph Service Manual Safety Guidance presence of flammable gas: of flammable gas Working mode: Continuous operation EMC: Group І, Class A Environment: Transport & Storage Working Temperature: -20 ºC ~ +55 ºC 5 ºC ~ 40 ºC 25% ~ 93%...

  • Page 13: Safety Warnings

    SE-3 Electrocardiograph Service Manual Safety Guidance 2.3.1 Safety Warnings WARNING 1. The service provider must read and understand all the information presented in the user manual and this service manual before installing or servicing a unit. 2. Only qualified service engineers can install this equipment, and only service engineers authorized by the manufacturer can open the shell.

  • Page 14: Lithium Battery Care Warnings

    SE-3 Electrocardiograph Service Manual Safety Guidance WARNING 13. In order to avoid being burned, please keep the electrodes far away from the radio knife while using electrosurgical equipment. 14. If reusable electrodes with electrode gel are used during defibrillation, ECG recovery will take more than 10 seconds.

  • Page 15: General Cautions

    SE-3 Electrocardiograph Service Manual Safety Guidance WARNING 3. Danger of explosion -- Do not reverse the anode and the cathode when installing the battery. 4. Do not heat or splash the battery or throw it into fire or water. 5. When leakage or foul smell is found, stop using the battery immediately. If your skin or cloth comes into contact with the leakage liquid, cleanse it with clean water at once.
  • Page 16 SE-3 Electrocardiograph Service Manual Safety Guidance CAUTION a) Inspect the equipment and accessories for mechanical and functional damage. b) Inspect the safety related labels for legibility. c) Inspect the fuse to verify compliance with the rated current and breaking characteristics.

  • Page 17: Cleaning And Disinfection Cautions

    SE-3 Electrocardiograph Service Manual Safety Guidance 2.3.4 Cleaning and Disinfection Cautions CAUTION 1. Turn off the power before cleaning and disinfection. If the mains supply is used, the power cord should be dragged out of the outlet. Prevent the detergent from seeping into the equipment during cleaning.

  • Page 18: Chapter 3 Operating Principle

    SE-3 Electrocardiograph Service Manual Operating Principle Chapter 3 Operating Principle This chapter describes the basic theory and the internal circuit structure of SE-3 to let the service provider understand the operating principle. 3.1 Basic Theory of ECG Operation The heart is a power organ of the blood circulation. Before the systole or the diastole, a cardiac impulse happens in the heart muscle, and a faint bioelectric signal is thus generated.

  • Page 19: Lead

    SE-3 Electrocardiograph Service Manual Operating Principle Figure 3-1 Composition of ECG P wave: the sequential activation (depolarization) of the right and left atria QRS complex: the right and left ventricular depolarization (normally the ventricles are activated simultaneously) ST-T wave: the ventricular repolarization U wave: the origin of this wave is not clear - but probably represents "after-depolarization"...
  • Page 20 SE-3 Electrocardiograph Service Manual Operating Principle Each lead represents a particular orientation in space, as indicated below (RA = Right Arm, LA = Left Arm, LL = Left Leg): Bipolar limb leads (frontal plane): Lead I: RA (-) to LA (+) (right left, or lateral)

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