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ECGMAC VET-301, User Manual

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ECGMAC VET-301 User Manual Download Page 47

47

7.3 Buttons on the Control Panel not Working

Possible reason: The control panel and circuit board are not well connected due to the vibration in

transportation. Solution: Open the instrument cover and connect them again, if the problem still

exists, contact with our after sale service department or appointed maintenance center.

7.4 AC Interference

AC interference is interference which arises from super positioning of ECG wanted signal with sinusoidal
voltages with the mains frequency. Phenomenon shown as below:

Solutions:

Make sure the instrument is properly grounded

Electrode or animal cable is correctly connected

Applied electrode gel is enough

The metal bed is properly grounded

Keep the animal from physical contact with the surroundings.

There is no powerful equipment operating nearby, such as X ray or ultrasonic machine

The animal don’t wears decorations such as glass or metal

If interference still exists, please reset AC filter according to local AC frequency

7.5 EMG Interference

Phenomenon: Recorded ECG base line has irregular vibration, as shown in the following ECG
waveforms.

Summary of Contents for VET-301

Page 1: ...1 VET 301 Multi channel ECG Version 1 0 User Manual ...

Page 2: ...n Any part of the manual shall not be reproduced photocopied in any form without prior written permission from ECGMAC ECGMAC reserves the right to change update revise the product design specification and function at any time without notice Responsibility of the Manufacturer ECGMAC only considers itself responsible for any effects on safety reliability and performance of the equipment if Assembly ...

Page 3: ...sinfection and Maintenance 12 2 5 Intended Use 13 3 Structure and Principle 14 3 1 Product Structure 14 3 2 Electrodes Connection 18 3 3 Animal Cable Connection 20 3 4 Power Connection 20 3 5 Principle and Schematic Diagram 21 4 Operation Preparations 22 4 1 Applicable Fields 22 4 2 Inspection before Operation 22 4 3 Lead off Indication 22 4 4 Battery Installation 23 4 5 Recording Paper 24 4 6 Loa...

Page 4: ...e 47 7 5 EMG Interference 47 7 6 Baseline Drift 48 8 Warranty and After sale Service 49 8 1 Warranty 49 8 2 Customer Service 49 Appendix A Packaging and Accessories 50 A 1 Packing 50 A 2 Caution 50 Appendix B Product Performance 51 B 1 External Output 51 B 2 External DC Signal Input 51 Appendix C Specification 53 C 1 Technical Index 53 C 2 Dimension and Weight 54 C 3 Environment Conditions 55 Appe...

Page 5: ...nance imaging equipment Make sure the integrity of the external protective earth conductor in the room 1 2 Before Operation Check if the equipment is in good condition Check if the equipment is placed properly Check if all the lead wires are well connected and the equipment is properly grounded When the instrument is used with other instruments special attention should be paid to safety misdiagnos...

Page 6: ...this equipment Once this equipment is used be sure to remind people to turn off mobile phones and small wireless devices 1 5 2 The Influence of Impact and Electromagnetic Waves The high frequency noise made by other instruments may bring electromagnetic interference to the instruments via entering AC outlet Please identify the noise source and stop using the corresponding equipment If it can not b...

Page 7: ...EG metrological verification regulations 1 8 Discarding the Equipment Discard electronic materials packing materials battery and other declared waste according to the local laws Support the sorting recycling work of the local administration 1 9 Symbols Symbols Function Symbols Function USB Alternating current Battery recharging indicator Product serial number Manufacturer Date of manufacture Recyc...

Page 8: ...ou should know to avoid possible damage to the equipment 1 10 Recording Paper To guarantee the record quality of the ECG waveforms please use the high speed thermal paper supplied or appointed by ECGMAC Other paper may shorten print head s life And the deteriorated print head may lead to illegible ECG record and block the advance of paper etc Please do pay attention to the following aspects 1 Neve...

Page 9: ...hemicals Do not use the instrument near high voltage high static X ray ultrasonic electrosurgical equipment and other strong magnetic wave environment Only qualified service engineers can install this equipment And only service engineers authorized by ECGMAC can open the shell case Auxiliary equipments connected to the digital and analog interfaces must be certified according to IEC standards e g ...

Page 10: ...y and analysis result Under this situation it is suggested that the doctors should identify and analyze it according to the waveform To prevent burns high frequency electric knife contact point must be kept away from the electrodes If necessary plate electrodes can be chosen Its larger contact area can limit high frequency current density to an acceptable range The total leakage current should nev...

Page 11: ...hen clean water at once If the leakage liquid gets into your eyes do not wipe them Irrigate them with clean water first and go to see a doctor immediately Opening the battery cover disassembling or replacing battery should be done according to the Operation Manual and only battery of same model and specification provided by the manufacturer should be used When the shelf life of battery is due or f...

Page 12: ...any evident defectiveness or aging symptom which may impair the safety or performance The frequency and voltage of the AC power should conform to it requires This ECG uses mains supply and built in rechargeable lithium battery For mains supply rated voltage 220V frequency 50Hz power 50VA For battery rated voltage 14 8V capacity 2200mAh power 50VA When using please follow the requests to supply pow...

Page 13: ...cal calibration regulation of electro cardiograph and electroencephalogram machine every year The instrument signal input output connector when needed must be connected with Class I equipment which is IEC60601 1 compliant and the total leakage current should be tested to be available by users themselves Electrical schematic diagram and parts lists are only available to qualified repair stations or...

Page 14: ...ecorder Load recording paper print ECG report B LCD screen Display operation interface and contents C Keyboard Function buttons input of numbers and letters The LCD screen can be damaged if place heavy object on it or hit it Please fold the screen to prevent accidental damage after use B A C ...

Page 15: ...s Internal heat dissipation channel D Product label Product information label E Fuse label Fuse specification label F Fuse compartment AC fuse installation Battery compartment The rated output voltage and capacity of built in rechargeable lithium batteries are as follow Rated output voltage 14 8V Rated capacity 2200mAh 3 1 3 Rear View B A C F E C A B D ...

Page 16: ...andard USB 2 0 port to connect external printer supporting PCL6 or connect to USB Barcode Reader E USB Slave Port Standard USB 2 0 port to connect PC optional F LAN socket Standard LAN port connect with network cable G Potential equalization When need to use potential equalization grounding cable to protect the security of electricity use grounding cable to connect this potential equalization term...

Page 17: ...kspace Delete the character to the left of the cursor E Input method Choose the input methods English Numbers F Five way navigation buttons Up down left right and action G Copy button Copy the last ECG signals when the system works in automatic model H ON OFF Turn on or off the ECG I Reset Make lead input fast and stable and reset lead print output J Recording mode Select recording modes manual au...

Page 18: ...sable electrodes old or new Different models cannot be used together otherwise it will seriously affect the accuracy of ECG record Electrodes or lead wire socket cannot touch other conductors such as metal beds All electrodes need to be replaced together during replacement 3 2 1 Limb Electrodes Connection Limb electrodes should be installed on the soft skin of right and left forelimb and right and...

Page 19: ...19 R RA connect right forelimb L LA connect left forelimb RF RL connect right hind legs F LL connect left hind legs 3 2 4 Lead Method and System Diagram ...

Page 20: ...dels animal cables socket is designed for ECG signal input only Do not use it for other Purpose The instrument has built in defibrillator protection circuit with supporting non defibrillation protection cables 3 4 Power Connection 3 4 1 AC power Plug one end of three core power cord to the power socket on the ECG and the other end to the socket on the wall as shown below 3 4 2 DC Battery Animal Ca...

Page 21: ...upler are received by CPU After digital filter sensitivity adjustment and print driver then the signals are sent to print controller for the waveform printing When printing finished the measurement and analysis will be processed by the CPU system Besides the CPU system will receive the interrupt signal and button codes to finish the interrupt processing And CPU system will handle lead off signal n...

Page 22: ...ted with corresponding electrodes No twisting with other cable Check if the electrodes are well connected No contact with each other Check if the animal is barking or moving or contacting the metal part of the bed Check if the environment is comfortable and if the bed is too small To ensure the animal safety and ECG reliability please check the above before operation 4 3 Lead off Indication The in...

Page 23: ...he polarization voltage to amplifier It will get the amplifier back to normal quickly If pressing reset button does not eliminate the alarm check the corresponding electrode and its connection If lead off alarm is displayed it means the electrocardiograph is inoperable due to anoverload If the waveform become straight line it means the electrocardiograph is inoperable due to saturation of any part...

Page 24: ...re C 4 Close the battery cover and screw it tightly clockwise As picture D 4 5 Recording Paper VET 301 80mm width 20M thermal rolled paper 4 6 Loading Recording Paper 1 Press the Open Button to open the paper compartment cover according to the arrow shown in the figure 2 Take out the paper rollers from the paper compartment Insert the rollers into the rolled paper as shown below ...

Page 25: ... the Mains Supply Press ON OFF key about 3 seconds in the working state After the LCD screen display is off pull the power cord and grounding cable out 5 1 3 Startup and Shutdown with the Battery When power cord is disconnected the ECG will use the built in battery And the DC indicator is lit Then the same startup and shutdown operation with the mains supply 5 1 4 Battery Charge If the built in re...

Page 26: ...e filter setup interface C EMG filter Select it in the filter setup interface D Time and date Set it in the time and date setup interface E Power supply mode Indicate the current power supply mode AC or battery F Heart rate Current Heart rate value G Name Animal name no more than 20 characters H ID Animal ID no more than 10 digits I Leads and waveform display Display the waveforms F1 Patient Press...

Page 27: ...ace Press F5 in the first page the second page will be shown as the following figure on the LCD screen Identifier Name Description F1 Lead F1 Press F1 to enter the lead system and rhythm lead interface F2 Display F2 Press F2 to enter display setup interface F3 File F3 Press F3 to enter file management interface F4 Setup F4 Press F4 to enter system setup interface F5 More F5 Press F5 to return to t...

Page 28: ...d start recording the waveforms from it Rhythm mode under rhythm mode users can select rhythm lead group and record its rhythm waveforms 5 3 1 Manual Mode Under manual mode Manual 1 Manual 2 Manual 3 can be selected by pressing manual button Manual 1 ECG is set to display single lead The users can record the ECG waveforms for a single lead Manual 2 ECG is set to display two leads simultaneously Th...

Page 29: ...en waveforms are stable press START STOP button to start printing records record time is depend by users If needing to pause or stop the print press START STOP button 4 During the recording press Lead and Lead button to switch to another lead s recording Manual 2 Select Manual 2 mode by pressing manual button Users can choose any two lead in 6 leads and rhythm lead to display The display interface...

Page 30: ...thm Mode This mode is rhythm lead record mode Under the mode the ECG can acquire users defined rhythm Press Start Stop for recording and the record length is 0 60 seconds the ECG rhythm lead waveform with rhythm analysis will be printed out To select rhythm please refer to chapter 5 4 Select rhythm mode by pressing RYH button The ECG will acquire data of defined rhythm lead The display screen is s...

Page 31: ...10mm mV and 20mm mV 3 When waveforms become stable press Start Stop for recording and the record length is 0 60 seconds the ECG rhythm lead waveform with rhythm analysis will be printed out If needing to pause or stop the print press START STOP button 5 3 3 Auto Mode Under Auto Mode select 6 automatic display formats through display setup screen 3 CH 2 1R 3rows 2 columns 1 rhythm lead 5 4 Leads Se...

Page 32: ...32 5 5 System Setting On the second page of the main interface press F4 to enter system setup interface The interface is shown as the figure below ...

Page 33: ...Press button 1 9 to enter different items settings menu 1 Print setup 2 Auto analysis setup 3 Communication setup 4 Information setup 5 Administrator setup 6 Filter 7 Time and date 8 Lead setup 9 Others 5 5 1 Management Setup Press More F5 to enter next page can choose the language version update to new software and connect barcode reader and so on ...

Page 34: ...s among Printer Record order and ECG grids print and then use and to set Printer Thermal Printer Laser Printer and Ink Printer Printer with PCL6 langage is available to connecting to ECG machine Print Direction can be selected as horizontal or vertical when machine connecting to USB printer with PCL6 langage the printout will be in horizontal when set as horizontal Record order sequential and simu...

Page 35: ...the learning course the printing will be triggered automatically Otherwise no printout come out Periodic Mode Duration and Interval Sample mode is in periodic for the same data For example if Interval is set to 2 min and Duration is set to 24 min after pressing the START STOP key the printing will be performed every two minutes and come to 12 times Print time The total print time can be adjusted f...

Page 36: ... F2 button to cancel and return 5 5 4 Communication Setup Press 3 to enter communication setup at the system setup interface The interface is shown as figure below At the communication setup interface use and button to select setting items and use and number keys and letter keys to set and input Press F1 button to save communication setup and return or press F2 button to cancel and return 5 5 5 In...

Page 37: ...cancel and return 5 5 6 Admin Configuration Press button 5 to enter Admin setup configuration at the system setting interface Type in password 123456 and press F1 to enter The interface is shown as figure below Use and button to select setting of ID generation way Language Save options etc and use and to set After administrator setup press F1 button to save and return or press F2 button to cancel ...

Page 38: ... and EMG Filter use and to set Baseline Drift Filter OFF 0 05Hz 0 16Hz 0 25Hz 0 32Hz 0 5Hz 0 67Hz EMG Filter OFF 45Hz 40Hz 35Hz 30 Hz 25 Hz 20Hz AC Filter OFF 50Hz 60Hz Low Pass Filter OFF 75 Hz 100 Hz 150 Hz Press F1 button to save filter setup and return or press F2 button to cancel and return 5 5 8 Time and Date Setup Press button 7 to enter time and date setup at the system setup interface The...

Page 39: ...e format 24 hour and 12 hour Press F1 button to save time and date setup and return or press F2 button to cancel and return 5 5 9 Others Press button 9 to enter other setup at the system setup interface the interface is shown as below At the other function setup interface use and button to select setting items among keypad tone Beep volume QRS Beep Power save and LCD backlight off time and use and...

Page 40: ...the file via Network Delete Delete the animal data selected Print print the file selected Preview preview the animal file selected Press more to next page Edit Edit the animal information here it is able to edit the name ID etc ...

Page 41: ...41 Query query the animal data by ID Name Sex Age and check time Replay Press F4 to Freeze the waveform displayed on the main interface Press More to next page ...

Page 42: ...lug the power cord from the AC outlet if main supply applied 1 Cleaning the main unit and animal cable Wipe the exterior of the main unit and animal cable with a damp cloth using mild non caustic neutral detergent diluted in water Then wipe it with a dry cloth 2 Cleaning the electrodes Remove the residual gel from the electrodes with a clean soft cloth first Take off the clip and suction ball from...

Page 43: ...ted before cleaning the ECG machine Do not use high temperature high pressure steam ionizing radiation methods for disinfection Do not use chlorine containing disinfectant for disinfection such as chlorinated lime and sodium hypochlorite etc 6 3 Care and Maintenance 6 3 1 Battery Capacity Charging and Replacement Inappropriate operation may lead battery to be hot ignited exploded damaged or capaci...

Page 44: ... compartment and replace the battery Only the battery of same model and specification provided by manufacturer should be used Battery has to be disposed and recycled according to the local regulation 6 3 3 Maintenance of Main Unit Animal Cable Electrodes The following safety checks should be performed at least every 12 months by a qualified person who has adequate training knowledge and practical ...

Page 45: ...aintenance departments to check the ECG instrument regularly 2 Animal Cable 1 Check the animal cable is well collected according to the following table The resistor between the electrode plug and plug pin of the animal cable plug should be less than 10Ω Note the resistance or of animal cable with the function of defibrillating protection is around 10KΩ Wire plug symbol R L F RF Plug pin location 9...

Page 46: ...out Waveform Printout This phenomenon might be caused by following issues When the animal cable is connected with animal if the instrument start record before ECG waveforms and data become stable it might leads to data value saturation or overflow in the baseline stable software Solution repeat operation There is failure with animal cable Check the animal cable by the methods in chapter 6 3 Contac...

Page 47: ...nusoidal voltages with the mains frequency Phenomenon shown as below Solutions Make sure the instrument is properly grounded Electrode or animal cable is correctly connected Applied electrode gel is enough The metal bed is properly grounded Keep the animal from physical contact with the surroundings There is no powerful equipment operating nearby such as X ray or ultrasonic machine The animal don ...

Page 48: ...bvious effect for the weakening of R wave 7 6 Baseline Drift Phenomenon The baseline of the recorded ECG waveforms wandering as shown in the following ECG waveforms Solutions Make sure the electrodes are well connected The lead wire and electrodes are well connected Check the cleaning of the electrode and animal skin Electrode gel is applied on the electrodes and skin Keep the animal from motion o...

Page 49: ...for use when the defective product is being repaired This warranty does not cover damage caused by a Damage caused by alteration or repair by anyone not authorized by ECGMAC b Replacement or removal of serial number label and manufacture label c Subsequent damage caused by improper operations storage or transportation d Damage caused by accidents 8 2 Customer Service If the user has any questions ...

Page 50: ...ies and user manual and then check the instrument 3 If the instrument does not work properly contact the sales department or customer service department 4 Please use the accessories supplied by ECGMAC Accessories from other suppliers may damage the instrument and affect its performance and safety Before using the accessories from other suppliers please consult our customer service first 5 To enabl...

Page 51: ...ast three grade 5 10 20mm mV Tolerance 5 by shifting 1 9 2 Anti polarization Voltage Applying 300mV DC polarization Voltage the tolerance of sensitivity is 5 1 9 3 Minimum testing signal Testing the energy of deviated sine signal of 10Hz 20μV summit 1 10 Noise Level By paralleling impedance of 0 047μF capacitor and 51kΩ resistance which is connected between input terminal and neutral electrode Wit...

Page 52: ... 5 40 baseline drifting should be no more than 0 5mm 1 16 Paper Speed 5mm s 6 25 mm s 10mm s 12 5 mm s 25 mm s 50 mm s tolerance 5 1 17 The impact of AC to DC conversion The DC indicator should be lit when changing AC to DC conversion All operation should be normal 1 18 Printing resolution Thermal matrix printing Y axis 8 dots mm X axis 32 dots mm Paper speed 25 mm s 16 dots mm Paper speed 50 mm s...

Page 53: ...1R Filter Baseline Drift Filter OFF 0 05Hz 0 16Hz 0 25Hz 0 32Hz 0 5Hz 0 67Hz EMG Filter OFF 45Hz 40Hz 35Hz 30 Hz 25 Hz 20Hz AC Filter OFF 50Hz 60Hz Low Pass Filter OFF 75 Hz 100 Hz 150 Hz Input Circuit Current 0 1 μA Animal Leakage Currency 10μA Time Constant 3 2 s Frequency Response 0 05 150 Hz 3 dB Noise Level 15 μVp p Paper Speed 5mm s 6 25 mm s 10mm s 12 5 mm s 25 mm s 50 mm s Tolerance 5 Stan...

Page 54: ...r 4 Others Leads Standard 6 Leads with defibrillator protection Safety Level Class I CF Type Power Supply AC 100 240 V 50 60Hz 30 VA 100 VA DC 14 8 V 2200 mAh built in rechargeable lithium battery When the battery is fully charged it can work normally about 5 hours and it can continually print about 3 hours in the manual mode Necessary battery charge time is 5 hours from depletion to 90 charge in ...

Page 55: ...sult in increased electromagnetic emissions or decreased electromagnetic immunity of this equipment and result in improper operation Warning Portable RF communications equipment including peripherals such as antenna cables and external antennas should be used no closer than 30 cm 12 inches to any part of the equipment detail model name including cables specified by the manufacturer Otherwise degra...

Page 56: ... 61000 4 2 8 kV contact 2 kV 4 kV 8 kV 15 kV air 8 kV contact 2 kV 4 kV 8 kV 15 kV air Electrical fast transient burst IEC 61000 4 4 Power supply lines 2 kV input output lines 1 kV Power supply lines 2 kV Surge IEC 61000 4 5 line s to line s 1 kV line s to earth 2 kV 100 kHz repetition frequency line s to line s 1 kV 100 kHz repetition frequency Voltage dips short interruptions and voltage variati...

Page 57: ...tion Modulatio n W Distance m IMMUNI TY TEST LEVEL V m 385 380 390 TETRA 400 Pulse modulation 18 Hz 1 8 0 3 27 450 380 390 GMRS 460 FRS 460 FM 5 kHz deviation 1 kHz sine 2 0 3 28 710 704 787 LTE Band 13 17 Pulse modulation 217 Hz 0 2 0 3 9 745 780 810 800 960 GSM 800 900 TETRA 800 iDEN 820 CDMA 850 LTE Band 5 Pulse modulation 18 Hz 2 0 3 28 870 930 1720 1 700 1 990 GSM 1800 CDMA 1900 GSM 1900 DECT...

Page 58: ...CGMAC Medical Electronics Co Ltd Factory Address 2nd Floor of Block 2 Haoye Industrial Park Tiegang Road Xixiang Street Baoan District 518102 Shenzhen China Tel 86 755 27697821 27697823 27948579 Fax 86 755 27697823 616 Website www ecgmac com Email info ecgmac com ...

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