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Meditech EKG-312T User Manual

3 channel electrocardiograph
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3 CHANNEL
ELECTROCARDIOGRAPH
EKG-312T
I

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Summary of Contents for Meditech EKG-312T

  • Page 1 3 CHANNEL ELECTROCARDIOGRAPH EKG-312T...
  • Page 2 Statement Meditech owns all rights to this unpublished work and intends to maintain it as confidential information. This publication is used only for reference of operation, maintenance, or repair of our device. No part of this can be disseminated to others.

  • Page 3: Table Of Contents

    Contents Chapter1 Main Technical Specifications ................... 1 Chapter2 Safety Notes ........................3 Chapter3 Warranty Regulation ......................5 Chapter4 Product Main Characteristics .................... 7 Chapter5 Panel Sketch Map ......................8 Chapter6 Notes Before Operation ....................11 Chapter7 Preparations Before Operation ..................12 Chapter8 Notes During Operation ....................

  • Page 4: Chapter1 Main Technical Specifications

    Chapter1 Main Technical Specifications 1.1 Environment conditions Operation a) Environment temperature: +5℃~+35℃ b) Relative humidity: ≤80% c) Power supply: AC:100~240V,50/60Hz DC:7.4V, 3700 mAh rechargeable lithium battery d) Atmospheric pressure: 86kPa~106kPa Transportation and Storage a) Environment temperature: -10℃~55℃ b) Relative humidity: ≤95% c) Atmospheric pressure: 50kPa~106kPa 1.2 Input way: Floating and defibrillation protection 1.3 Lead: Standard 12 leads...
  • Page 5 1.18 Enduring polarization voltage: ±300mV 1.19 Noise level: ≤15µVp-p 1.20 Fuse specification: 2 pcs φ5×20mm AC time lag; T1.6A/250V(Power supply 220V) 1.21 Dimension: 315mm(L)×215mm(W)×77mm(H) 1.22 Net Weight: 2.25Kg...

  • Page 6: Chapter2 Safety Notes

    Chapter2 Safety Notes 2.1 The power supply should be grounded properly before operation. 2.2 If there is any question for the integrality of protective grounding cable, EKG312T must be run with built-in power supply. 2.3 Please pull out power supply plug before changing the fuse. 2.4 This device must be operated by medical staff trained technically and professionally, preserved by special person.
  • Page 7 (7) This device is designed with auto analysis function, which only analyses the ECG waveforms it gathers and does not reflect all patient's states. Its analysis results may be not in accordance with doctor's diagnoses. Therefore, the final conclusion concerning each patient is up to the doctor basing on analysis results , patient symptoms, and other examinations together.

  • Page 8: Chapter3 Warranty Regulation

    Chapter3 Warranty Regulation 3.1 In normal use, under strict observance of user manual and operation notes, in case of failure, please contact with our customer service department. Our company has the sales record and customer archives for each device. The customer has one year's warranty service from the date of purchasing according to the following conditions.
  • Page 9  Avoid contacting water, and using and storing EKG312T in places with higher air pressure, temperature and humidity beyond standard , bad aeration , excessive dust or in the presence of sulfuric acid, salt and alkali gas, or with leakage danger of gas and chemical medicine; ...

  • Page 10: Chapter4 Product Main Characteristics

    Chapter4 Product Main Characteristics 4.1 With high resolution thermal array printing system(8 dots/mm), it needs no adjustment, and the record frequency is up to 150Hz. 4.2 Real-time and continuously record clear and exact 3 channel ECG waveforms and remarks. The remarks include lead sign, sensitivity, paper speed and filter state,etc. 4.3 In auto mode, one button operation to complete record, which will improve work efficiency.

  • Page 11: Chapter5 Panel Sketch Map

    Chapter5 Panel Sketch Map 5.1 Each panel view and its components Front view Rear view...
  • Page 12 Bottom view 5.2 Key Definition Function key: This key turns EKG312T on or off. Function key: This key is used to adjust gain. Function key: This key is used to adjust paper speed. Function key: This key is used to select filter function. Function key:Menu key.
  • Page 13 When green, the light indicates EKG312T is powered by AC supply; while red and green, it indicates the battery is charging. Powering on indicator light.

  • Page 14: Chapter6 Notes Before Operation

    Chapter6 Notes Before Operation 6.1 To use EKG312T safely and effectively, you should read the user manual carefully before operation. 6.2 Notes for installation and storage: EKG312T shall be keep away from high voltage cable, X-ray equipment, ultrasound device or electrotherapeutics machine,etc. Avoid using and storing EKG312T in the places with high air pressure, temperature and humidity beyond standard, bad ventilation, excessive dust or salt-alkali gas and chemical medicine.

  • Page 15: Chapter7 Preparations Before Operation

    Chapter7 Preparations Before Operation 7.1 Ensure EKG312T is grounded and all the cables are connected reliably. 7.2 Ensure the electrodes, directly connected with patient, are placed correct and reliable. 7.3 If you have selected to purchase UPS, check whether the output voltage is normal or not. 7.4 Electric gel coat should be separated and chest electrodes should not connect with each other , so as to avoid short circuit.

  • Page 16: Chapter8 Notes During Operation

    Chapter8 Notes During Operation 8.1 Pay attention to the patient and device status at any moment. 8.2 Patient and device can only be connected through ECG lead cables. 8.3 Keep close observation of the patient and device to make sure they are still during operation. 8.4 Turn off EKG312T after using.

  • Page 17: Chapter9 Usage Of Recording Paper

    Chapter9 Usage of Recording Paper 9.1 When recording EKG312T will stop paper trace in case of paper lack, and the LCD screen will display as the figure below to prompt paper lack. 9.2 It is recommended to use the thermal recording paper specified by our company to ensure ECG waveforms of good effect.

  • Page 18: Chapter10 Electrode Placement

    Chapter10 Electrode Placement It is better to attach chest electrodes first, then the limb electrodes. 10.1 Chest Electrode Placement( See the figure below) Attach the chest electrodes to the locations as following: V1: Fourth inter-costal space at right border of sternum. V2: Fourth inter-costal space at left border of sternum.
  • Page 19 Electrode Location Electrode Symbol Plug No. Right Arm RA/R Left Arm LA/L Left Leg LL/F Right Leg RL/N Chest 1 Vl/Cl Chest 2 V2/C2 Chest 3 V3/C3 Chest 4 V4/C4 Chest 5 V5/C5 Chest 6 V6/C6 Notes:  You had better ensure to attach the lead cables in power off status. ...

  • Page 20: Chapter11 Grounding And Power Connection Of Device

    Chapter11 Grounding and Power Connection of Device Make sure power supply is off, plug the 3-line connector in the device, the other end into power receptacle which should be center grounded. It is prohibited to use water pipe or other pipeline as grounding cable.

  • Page 21: Chapter12 Battery Operation Notes

    Chapter12 Battery Operation Notes 12.1 EKG312T is designed with built-in full-sealed and non-maintained rechargeable lithium battery, also equipped with perfect auto-charging-discharging monitor system. When EKG312T is connected to AC power supply, the battery will be charged automatically. Battery status will be displayed on right edge of LCD screen(see 12.4) in powering on state.

  • Page 22: Chapter13 Control Panels And Key Instructions

    Chapter13 Control Panels and Key Instructions 13.1 Main Interface is shown below. Power status：Please refer to 12.4 Function Buttons： Click to enter the sampling interface, when powered on, EKG312T will automatically enter this interface. Click to enter case management interface, where you can query , modify or delete case information Click to see the sketch map for electrode placement Date and time settings...
  • Page 23 13.2 Sampling Interface Select in the main interface or use shortcut key on the keyboard to enter sampling interface. Note: Because of the setup about information input time in system settings, it needs to input case information before sampling (refer to 13.3 Case Information Input). Sampling interface provides several lead display modes, including: 3 leads, 6 leads,and 12 leads, and the following interface displays 12 leads.
  • Page 24 Adjust paper speed:With the speed adjusting button on the key panel ,you can adjust paper speed among 5mm/s, 6.25mm/s, 10mm/s, 12.5mm/s, 25mm/s, 50mm/s. In auto and rhythm mode, 5mm/s, 6.25mm/s, 10mm/s, 12.5mm/s are not selectable. Switch filter:With the filter selection button on the key panel ,you can switch filter among no filter, .AC, EMG, DFT, AC+EMG, AC+DFT, EMG+DFT, AC+EMG+DFT.
  • Page 25 Here, click 【OK】 to apply new setup and return to sampling interface; while click 【Cancel】 not to apply and directly return to sampling interface. Each item, its options and explanation are shown in the table below. Item Options Explanation AC Filter [ON]/[OFF] Set up whether to use AC Filter or not.
  • Page 26 follows. Here press【Caps】button to switch between character/capital letter and number/small letter; press 【Space】 to input a space; press 【Bkspace】 to delete the character input last; press 【OK】 will confirm input and exit this interface. According to the limits of information, the screen keyboard has some character input limits, which will be showed in gray and are unavailable, as shown in the figure below: 13.4 Case Management Select the button...
  • Page 27 : Select it , and the case list will turn to the former page . : Select it , and the case list will turn to the later page . 13.5 Case Querying Select 【Adv-opr】 in case management interface to show the menu below. Select 【Query】...
  • Page 28 After ensure the selection, click 【Review】 to enter the review interface shown below, which is similar to the gathering interface. Here in this interface, you can adjust the duration of waveform display with . Each time pressing the button, the waveform will roll 1 second to corresponding aspect. You can also change the gain and paper speed.(Refer to 13.2 Sampling Interface) You can enter or exit from the diagnosis interface by You can switch print mode by...
  • Page 29 Here, click 【OK】 to apply new setup and return to sampling interface; while click 【Cancel】 not to apply and directly return to sampling interface. Each item, its options and explanation are shown in the table below. Item Options Explanation [Auto 4×3]/[Auto 3×4]/[Auto 2×6]/ The system will choose the mode Print mode [Rhythm 2]or other print modes suited...
  • Page 30 In this interface, you can switch options through , and use to edit option content. 13.8 System Settings In the main interface, select button, and system settings dialogue box shown below will pop up. Here, click the button【Default】, and the system settings will back to default. Each item, its options and explanation are shown in the table below.
  • Page 31 [50Hz/35Hz]/[50Hz/25Hz] Set up the parameter compoundings of AC Filter and EMG Filter Freq /[60Hz/25Hz]/[60Hz/35Hz] Filter. Language [English]/[Chinese]etc Set up the language displayed. Hospital Fill in it yourself. Fill the hospital name in it. Select to activate key-press sound, and not select to dumb K-B Sound On/Off Select to make the system operate in demo mode, or in...
  • Page 32 below. The setup here will affect real-time analysis, case review and diagnosis prompt of print report when it is sampling. Here, select the button【Default】, the sampling settings will go back to the default. Each item, its options and explanation are shown in the table below. Item Explanation Rhythm Lead...
  • Page 33 Click the button【Default】, the print settings will go back to the default. Each item, its options and explanation are shown in the table below. Item Options Explanation [Auto 3×4+1]/[Auto 3×4]/ [Auto 2×6+1]/[Auto 2×6]/ The selection will be used as the default printing Print Mode [Auto 4×3]/[Auto 3-2]/ mode.
  • Page 34 Click any key to exit this interface. 13.13 About Us Select the button in the main interface, the interface shown below will pop up, which contains information related to this device. This interface shows EKG312T name, version number, company name, copyright and our contact details.

  • Page 35: Chapter14 Troubleshooting

    Chapter14 Troubleshooting 14.1 Powering off automatically ① Whether or not the battery capacity is nearly exhausted? Battery overdischarge protection circuit is activated. ② Whether or not AC supply voltage is too high? Overvoltage protection circuit is activated. ③ Whether or not AC interference is too large or fixed knob in lead cable socket is tightened? Overload protection circuit is activated.
  • Page 36 ① Whether or not the electrode placement is instable? ② Whether or not the electrodes or lead cables are connected reliably? ③ Whether or not the electrodes and patient skin are cleaned and smeared enough electric gel? ④ Whether or not it is caused by patient's movement and breath? ⑤...

  • Page 37: Chapter15 Maintenance

    Chapter15 Maintenance 15.1 Do not open the enclosure of EKG312T to avoid possible electric shock. Any maintenance and future upgrades to this device must be carried out by personnel trained and authorized by our company. The repair should be for our company's original components only. 15.2 Please pull out the power plug when it is power cut.

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