4-channel amplifier user manual
Contents
1. 2 cece eee eee ene ee ee ee eee eee eee 11 eye eo o AAA AP A A 12 3 1 olas AAA o 2e a ETT S 12 3 2 Mechanical AS AIO rete een ene een Pen ne ida 12 3 3 electrical installation sli 12 3 4 TEI SS DDE D e EN E E A E E E A E A A A A E cee 12 3 5 STORE a a aa a a a a a a E E 13 chapiora4 Sire MOQUIE at eee cies ese A A 14 4 1 WINI esha occas ttre as sewer de eae ements Dee on de 14 4 2 termal SST cere ere een eee re er rrr te ee er eer ee er ere 15 4 3 calbratien ana adajistnentisa caia 17 4 4 typical Settings DY application SES etes bee tes ec be een 18 chapter 5 single lead ecg MOIS 19 5 1 OVEIVISW iernare ER 19 5 2 FON DNE ee ee ee EEE 19 chapter 6 standards leads ecg amplifier module ss 20 6 1 A A no on o eee 20 6 2 IFORE Di did 20 Ch OOO serra ered deseo peal aeeeeta ceeded pbadwiensgaa attaees 22 7 1 6 lead ecg in One SUPI C ea ses ce cess oe eee cee it 23 7 2 6 lead SCG in TWO SUDISCUS 28 een autonome dai 23 GnNabler OV OC CO arson esac cots ir ers dew espns i te terne on tte re mn ne 24 8 1 remover Modulo o gt Pee ne ee ene nee ee en ee ee eee ee E 24 8 2 ea nn 0 er ee eee ee 24 8 3 CHAOS cities 24 8 4 cleaning ecg CAD sta 25 Chapter TROUIIS SOON sda cacti Sse ne iS 26 Chapter 10 technical SpecifiCatiONS occcocccccccccccccnccncccnnnnnnnnnnnnnnnnnnnannnnnnnnnnnnnnnnnnnnnnnnaninnns 27 10 1 ARESE EEE 27 emka TECHNOLOGIES page 4 table of contents 10 2 Strat gade MOSS cion 27 1032. 4 strain gage module 4 1 overview Each strain gage module figure 4 provides a stable DC current to feed its transducer The input signal arrives in differential mode The strain gage module is supplied with a screw driver figure 5 for making certain adjustments ee the offset Component of the signal In the DC position the signal stays intact gh a gain potentiometer Used to set internal gain The range is 1xto 5x or 50x to 250 x depending on the position of the 500 1000 200 pgi jumper see section 4 2 Da AC DC switch In the AC position a high pass filter removes gain knob used to set multiplication factor of internal gain from 1 to 1000 10 steps available coarse balance potentiometer Used to coarsely adjust bridge equilibration fine balance potentiometer Used to finely adjust bridge equilibration ref out potentiometer Used to to tune the DC component of the signal for a small gain and without load on the transducer This adjustment only appears on the BNC outputs it has no effect on the chart recorder output use the supplied screwdriver figure 4 strain gage module figure 5 screwdriver supplied emka TECHNOLOGIES page 14 strain gage module 4 2 internal settings Several user adjustable settings are available on the printed circuit boards inside each module figure 6 To access the printed circuit board e switch off the mainframe e remove the power cable f
3. ECOL MOQUICS aio ee ee eee 28 10 4 CONNeETlOr DIN ASS IMSS unesco nce es sana ences cs en ea sc ae ae ia 28 chapiter Ti SA SUD OR iia 30 11 1 Check The WebDSItS cuenta 30 11 2 contact emka TECENOE SOS a E 30 11 3 a ee er nee er cre 30 chapter 12 customer teclbDaCkK pescsotsteussdtavenssesuecussbvaweesiotescyscdvasuadiasiweeddbevensdasamascsiaaendeanes 31 12 1 DO PO UN occ ese eee ee ren ee seen a eee ee 31 12 2 Te dback ON this User Malu as 32 123 general TESCO ACK TO Msi da awe eedeaeeae 33 emka TECHNOLOGIES page 5 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 table of figures gurel ADS SON fli etree A coceten nt aetech ete deaneest cece cceudennstatscsncetedamee sti csnccauecnstuescenetedeaneestseseccanctes 9 figure 2 amplifier back panel snscecoeseeeanescereweseieeatececeneaw iene nneteecasnteabessneten caste ameteeceeeaseieaseseeceaeesees 10 figure 3 assignment of connectors for chart recorder ss sssssssssessessesseeseesseeneeseesnes 11 gurea Stralneg ade MOUSE On 14 figure 5 screwdriver supplied is cnn ran n rr nan r nn nn nn nnnnnananans 14 figure 6 user adjustable settings on amplifier module ooococccccccccccccnccnncnncnnncnncnnnnnncnnnnnnrnnrnnrnnnrnnrnnnrnnraninnes 15 figure 7 front panel of single lead ecg amplifier module sise 19 figure 8 front panel of standard leads ecg amplifier module ss 20 figure 9 location of pgi and pg2 jumpers on standard l
4. exhaustive Yes No clear easy to understand Yes No well organized Yes No useful Yes No If you have specific comments or suggestions for improving the manual please mention them here If there are any errors in the user manual please describe them here with page number section Thank you for your time Your feedback is valuable to us please return the form by post or fax emka TECHNOLOGIES corporate headquarters 59 bd G n ral Martial Valin 75015 Paris France fax 33 0 1 40 60 65 55 emka TECHNOLOGIES INC sales and support office for North America 307 Annandale Road suite 203 Falls Church VA 22042 USA fax 1 703 237 9006 emka TECHNOLOGIES page 32 Customer feedback 12 3 general feedback form emka TECHNOLOGIES strongly encourages feedback on its products and services This form may be used to provide feedback on any of our products and services This information will enable us to continue to provide quality products to meet your needs product or service concerned personal information name title company address fax phone please indicate which provide your feedback here Thank you for your time Your feedback is valuable to us please return the form by post or fax emka TECHNOLOGIES corporate headquarters 59 bd General Martial Valin 75015 Paris France fax 33 0 1 40 60 65 55 emka TECHNOLOGIES INC sales and support office for North America 307 Annandale Roa
5. V mV Z 10 41 strain gage transducer The strain gage cable has a 7 pin DIN connector The connector pin assignments of the strain gage cable are shown in table 3 measure ground feeding measure feeding nc nc table 3 connector pin assignments of the strain gage cable socket side 10 4 2 single lead ecg The single lead ecg cable has a 7 pin DIN connector Pin assignments are shown in table 4 positive input signal yellow not used shielding negative input signal red reference black nc NC table 4 pin assignments of the single lead ecg cable socket side emka TECHNOLOGIES page 28 technical specifications 10 43 6 lead ecg The 6 lead ecg cable has a 5 pin DIN connector Pin assignments are shown in figure 12 From the animal To the 6 laad modula Shleld Red 4 Yellow Black Green White figure 12 pin assignments of the standard ecg cable pins side emka TECHNOLOGIES page 29 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 Chapter 11 technical Support The answers to most technical issues are contained within this document In particular the troubleshooting and frequently asked questions chapters contain answers to the most commonly occurring issues If you cannot find a solution in this manual please e check the website e contact emka TECHNOLOGIES e respect the returns policy when returning equipment e fax back the s
6. d suite 203 Falls Church VA 22042 USA fax 1 703 237 9006 emka TECHNOLOGIES page 33 End of user manual emka TECHNOLOGIES emka TECHNOLOGIES SA 59 bd G n ral Martial Valin 75015 Paris France tel 33 0 1 40 60 7600 fax 33 0 1 40 60 65 55 emka TECHNOLOGIES INC 307 Annandale Road suite 203 Falls Church VA 22042 USA tel 1 703 237 9001 fax 1 703 237 9006 www emka fr www emkatech com O 2009 emka TECHNOLOGIES SA All contents Copyright All rights reserved Because emka TECHNOLOGIES has a policy of continuous product improvement we reserve the right to change design and specifications without notice
7. dule Ensure that the plastic inserts are in the correct position in order to fit in the upper and lower parts of the module Push the board firmly into the mainframe by applying pressure at the top and bottom of the front face Tighten the module screws 8 3 Changing the fuses emka TECHNOLOGIES Switch off the mains power Disconnect the mains power cable Insert an object with a thin flat tip e g a screwderiver into the ridge below and behind the fuse box figure 11 Gently pull the fuse box towards you it will slide outwards then downwards Change the fuses As a reminder you will need o either two 1A delayed fuses for 230 V power supply o or two 2A delayed fuses for 115 V power supply Push the fuse box into the mainframe page 24 procedures figure 11 changing fuses 8 4 cleaning ecg cable You must disconnect cables before cleaning them Use a damp cloth with standard disinfection products Do not put any liquid on the mainframe socket emka TECHNOLOGIES page 25 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 chapter 9 troubleshooting led does not go on when the power supply is turned on Ensure that power is reaching the mainframe by checking fuses on the power supply module fuses in the plug on off power switch etc See section 8 3 for details on how to access the fuses If the led remains off please contact emka TECHNOLOGIES none of the channels work Ch
8. e transducer e single lead ecg amplifier module 1 lead ecg signal e standard leads ecg amplifier module 6 ecg limb leads This module is twice as wide as the other two modules and takes up two slots siok Lead calibration ECG Amplifier 01 bipolari fo a 200 00 Gain x1000 s sa q 0 25 SH Standard leads strain gage single lead ecg standard leads ecg chapter 4 chapter 5 chapter 6 Before plugging in the amplifier please comply with installation instructions emka TECHNOLOGIES page 8 product overview Chapter 2 product overview The main components of the amplifier are e a metallic mainframe available as a desktop model or a rackable model 19 x 2 units e power supply module e amplifier module s The modules consist of a front panel and a printed circuit board hidden from view during use in the Eurocard format They are fitted inside the mainframe The amplifier is delivered with e 4BNC BNC cables e a screw driver for making adjustments on the strain gage module AN caution do not connect or disconnect cables or transducers when the amplifier is switched on 2 1 front The amplifier shown in figure 1 is fitted with 4 strain gage modules figure 1 amplifier front panel 1 strain gage amplifier module 2 module screws 4 per power module 2 per amplifier modules For fixing module to mainframe 3 board screws For fixing the printed circuit board
9. ead ecg module chapter 5 single lead ecg module 5 1 overview The single lead ecg amplifier module provides ecg amplification and filtering with or without external reference allowing both in vivo and in vitro studies on isolated heart The single lead ecg amplifier module is delivered with a 3 wire ecg cable positive negative reference with 5 pin standard DIN plug This plug connects to the 7 pin socket of the mainframe Output is available on the rear panel both on the BNC output and the analog output to chart recorder 5 2 front panel Several user adjustable settings are available on the front panel figure 7 O Single Lead ECG Amplifig OV CAR 1 mv Lo pass Filter 100Hz rei i Ne gt r 35Hz IA Hi pass Filte qe 0 5Hz 0 05Hz 4 Gain x1000 0 5 calibration switch Used to generate a O V or 1 mV 0 1 calibration pulse The output signal is determined by the gain For example if the gain is set at 0 5 the output signal will be 1 mV x 0 5 x 1000 500 mV low pass filter knob 2nd order filter 40 dB decade Four settings 35 Hz 100 Hz 200 Hz 500 Hz hi pass filter knob 1st order filter 20 dB decade Four settings 0 05 Hz 0 2 Hz 0 5 Hz 1 Hz gain selection knob Five steps are available from 0 25 to 4 Actual gain is 1000 x higher than shown For example when the knob is set 2 an amplification of 2000 x is provided so that 1 mV of input gives 2 V of output fig
10. eads modules 22 figure 10 pgi and pg2 jumper settings for 6 lead ecg recording in two subjects oooocccccccccccccnccnncancnnncnnnnnos 23 toure NCAA SS AP oe e scoala ws ea ARSE 25 figure 12 pin assignments of the standard ecg cable pins side ss 29 emka TECHNOLOGIES page 6 about this manual about this manual conventions The conventions listed below are used in this manual N note note Text in this font alerts you to a note comment or specific information i important important note Text in this font alerts you to important information ji caution caution note Text in this font warns you of precautions to take to avoid danger injury the loss of data or a system crash related documentation The documents listed below contain useful information iox user manual equipment symbols The different types of symbols on the device are described below AN Attention consult accompanying documents 3 Battery Device fals within the scope of the European Unions Waste Electrical and Y Electronic Equipment WEEE Directive 2002 95 EC Customers should segregate the product from other waste at end of life emka TECHNOLOGIES page 7 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 Chapter 1 introduction The amplifier is used to amplify different types of signals according to which modules are fitted 4our slots are available e strain gage amplifier module signal from a forc
11. eck the connection between the amplifier mainframe and the PC or chart recorder one strain gage channel does not function Check the transducer Check the connection between the amplifier and the transducer Swap the non functioning module with a functioning module of another channel If the new module works properly in the slot the problem is with the first module in this case check fuses ff and f2 located on the first module If the new module does not work the problem is with the mainframe back panel the signal is saturated out of dynamic range When using an ecg amplifier make sure it is not set to calibration mode For the strain gage module check that the signal is zero for the lowest gain then increase the gain and adjust the balance at each step see strain gage chapter for more information emka TECHNOLOGIES page 26 technical specifications chapter 10technical specifications 10 1 mainframe O or Loan fo r freroo 2 wor A A E IO EE c a 9 ow table 2 specifications of the mainframe 10 2 strain gage module notes low cut off frequency 0 075 0 25 high cut off frequency 5000 V mV Can be switched of for DC emka TECHNOLOGIES page 27 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 10 3 ecg modules The specifications apply to e single lead ecg amplifier module e standard leads ecg amplifier module parameter value 10 4 connector pin assignments notes
12. emka TECHNOLOGIES France emka TECHNOLOGIES USA erm ka 59 boulevard du G n ral Martial Valin 307 Annandale Road suite 203 75015 Paris France Falls Church VA 22042 USA tel 33 0 1 40 60 76 00 tel 1 703 237 9001 fax 33 0 1 40 60 65 55 fax 1 703 237 9006 TECHNOLOGIES emka emka fr emkatech emkatech com E m A a Rene t tools swift ser AA o ee nnd aes 4 channel amplifier user manual version 1 1 rev 1 SEPTEMBER 2009 www emka fr 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 Product information and technical support www emka fr www emkatech com For additional Support and information refer to the chapter of this user manual dedicated to technical support emka TECHNOLOGIES corporate headquarters emka TECHNOLOGIES SA 59 bd G n ral Martial Valin 75015 Paris France phone 33 0 1 40 60 76 OO fax 33 0 1 40 60 65 55 Sales and support office for North America emka TECHNOLOGIES INC 307 Annandale Road suite 203 Falls Church VA 22042 USA phone 1 703 237 9001 fax 1 703 237 9006 Please send your comments and or feedback about this user manual to documentation emka fr 2009 emka TECHNOLOGIES sa All rights reserved emka TECHNOLOGIES page 2 important notice important notice disclaimer verification warranty safety warning copyright All the hardware and software materials described in this user manual are not inte
13. l IL aVF aVR aVL gain A a 108 Standard leads i M E F Pie f M figure 8 front panel of standard leads ecg amplifier module N note when using the 6 lead ecg card the BNC connector in the back of the amplifier is not used emka TECHNOLOGIES page 20 standards leads ecg amplifier module 6 3 inputs and outputs The inputs from the electrodes to the standard leads ecg amplifier module are shown in table 1 IEC electrode AAMI electrode color color Europe US Japan electrode 1 on left arm LA electrode 4 on right leg RL table 1 inputs for standard leads module The mainframe calculates the output signals as follows LA RA II LL RA IIl LL LA Il aVF y 1 4 gt 1 aVR 11 aVL 1 tay 2 LA RA and LL are the signals from the electrodes Leads and ll are used to calculate the remaining 4 leads which therefore do not have to be measured directly emka TECHNOLOGIES page 21 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 Chapter 7 recording ecg The amplifier offers several possibilities for recording ecg data e 1 lead ecg in one to four subjects The mainframe is fitted with one to four 1 lead amplifier modules e 6 lead ecg in one subject The mainframe is fitted with 1 standard leads ecg amplifier module Slots 3 and 4 remain empty e 6 lead ecg in two subjects The mainframe is fitted with 2 standard leads ecg amplifier m
14. n cords auto transformer etc between the amplifier and the facility power outlet for a continuous earth ground path To prevent damage to the device ensure that instrument voltage and fuses are the correct type Unless otherwise specified at the time of purchase the amplifier is shipped from the factory with two 1 A delayed action fuses for operation on 230V AC Amplifiers configured for 115 V AC are shipped with two 2A delayed action fuses 3 4 device environment Specifications are valid at a temperature of 25 C 5 C Do not use the device in the following conditions e ambient temperature outside the range O C to 50 C e abnormal humidity e volatile atmosphere Here are some simple measure to increase the lifetime of your amplifier e keep the amplifier away from heat sources e avoid excessive mechanical vibration e keep the amplifier away from devices that could create electrical disturbances emka TECHNOLOGIES page 12 3 5 installation getting started Once you have taken the above precautions you can connect up as follows Connect all the transducers and ecg cables to their specific amplifier modules Connect the power supply cable to the amplifier and to the main power supply Switch the amplifier on A caution do not connect or disconnect cables or transducers when the amplifier is switched on emka TECHNOLOGIES page 13 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 Chapter
15. nd connection If in doubt about the quality of your ground connection please ask your in house electrician to test the ground connection This manual contains all information about which precautions to take to avoid injury due to electrical shock Please read this manual before using the 4 channel amplifier In any case never open the amplifier the amplifier should be opened by authorized emka TECHNOLOGIES representative only Under the copyright laws this publication may not be reproduced or transmitted in any form electronic or mechanical including photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of emka TECHNOLOGIES SA emka TECHNOLOGIES page 3 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 table of contents 4 channel amplifier ias ennemie a encens eee 1 OP a o 3 E a E o A E A o 0 A 3 VS OS ute 3 LUE NES DIE Zener Se Orne etre ee E eee ee ee ee en 3 sal NV Wal NG AAPP REE R 3 COO VOU ossssupcarato tocador E case aon 3 la a o A A PA o on a ee 4 table Or UQUISS esta a 6 ADO TS Il as 7 as gus yA q enn PPP PA q ea ee 7 related documental EE A a a a 7 equipment YIMDOIS csr nana ERE AEA oceano 7 chapter 1 RO eii a y PPM E E E A E d T 8 hapter2 Product OVI CW cia A A A AA 9 2 1 A A NN o o E esse oesetane ts 9 2 2 Power modular 10 2 3 EE AA e A O oo Pro A 10 2 4 chart recorder connector AaSSIQNMEN1
16. nded to be used and should not be used in human experimentation or applied to humans in any way emka TECHNOLOGIES hardware and software are extensively tested and calibrated before leaving our factory or warehouse Researchers should independently verify the basic accuracy of materials delivered emka TECHNOLOGIES materials we deliver are WARRANTED against defects in materials and workmanship for a period of one year from the date of shipment as evidenced by receipts or other documentation emka TECHNOLOGIES will at its option repair or replace equipment that proves to be defective during the warranty period This warranty includes parts and laboratory Warranty applies only if material is used in a way specified by this user manual emka TECHNOLOGIES believes that the information provided in this document is accurate Our document has been reviewed for technical accuracy In the event that technical or typographical errors exist emka TECHNOLOGIES reserves the right to make changes to subsequent editions of this document without prior notice to holders of this edition The reader should consult emka TECHNOLOGIES if errors are suspected lf hardware materials are used in a way not specified by this user manual the protection provided by the hardware material may be impaired caution To preclude injury or death due to electrical shock make sure that you connect the 4 channel amplifier to a socket which includes a fully functional grou
17. ntiometer in order to obtain a positive value close to O V If jumper pg6 in position 1 5V added you need to aim for a value close to 5V If this adjustment has no effect with the signal stuck at the top constant 5V or at the bottom constant 5V common Causes are e a damaged transducer e avery out of tune amplifier In this case you cannot see the effect of your adjustments because the signal is out of range The remedy is to first use the coarse balance potentiometer to move the signal trace to the screen Then use a combination of the coarse balance potentiometer and ref out potentiometer to make the trace visible again then bring it to the required value close to O or close to 5V e aproblem with the interface box acquisition card connection First check that the cable is properly connected You should also visually inspect the pins of the connectors on the interface box and the acquisition card If any are bent use a thin or pointed object to very carefully straighten them Adjust the gain Knob step by step to the highest value for which there is no saturation ie for which the signal does not extend beyond the 5 to 5V display of the iox calibration pane Adjust the coarse balance potentiometer then fine balance potentiometer to keep the output close to O V or 5V Repeat steps 4 and 5 until you reach the required gain Take the low calibration point without any physical stress applied to the transd
18. odules When the standard lead ecg amplifier module is used jumpers pg1 and pg2 must be set according to the ecg configuration used figure 9 pgi pg2 jumper jumper 11 i A care FNE AAA Er wl E ho LE Alam rr de ALICE aia is i Boo me an e ES E _ T nil M A figure 9 location of pg1 and pg2 jumpers on standard leads modules emka TECHNOLOGIES page 22 recording ecg 6 lead ecg in one subject Jumper pg1 must be present Jumper pg2 must be absent 6 lead ecg in two subjects Jumpers pgi and pg2 must be absent on one or both of the standard leads modules figure 10 a _ a pgi and pg2 jumpers absent SEE OO figure 10 pgi and pg2 jumper settings for 6 lead ecg recording in two subjects emka TECHNOLOGIES page 23 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 chapter 8 procedures 8 1 removing a module panel BON Switch off the mains power Disconnect the mains power cable Unscrew upper and lower module screws on the module panel Gently remove the module panel by pulling the grip 8 2 inserting a module i Remove the old module panel Gently slide in the new mo
19. rom the power socket e unscrew the two module screws on the front panel e pull out the module pg pg5 pg4 pg2 pg3 pg6 com3 E ELLE ae HE 13000554 iad Dl a pg9 pgi pg fi f2 figure 6 user adjustable settings on amplifier module Jumper pg is used to adjust the internal gain e position X1 gain stays the same e position X50 gain is multiplied by 50 Jumpers pg2 and pg3 are used to adjust the cut off frequency of the low pass filter e position 1 500 Hz e position 2 35 Hz e position 3 10 Hz e position 4 0 1 Hz The fall off is 40 dB decade Jumper pg4 is used to suppress the action of the high pass filter on the chart recorder output J2 connector e jumper present no filter e no jumper filter applied N note jumper pg4 is only present on older modules which do not have an AC DC switch emka TECHNOLOGIES page 15 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 Jumper pg5 is used to suppress the action of the high pass filter on the BNC outputs e jumper present no filter e no jumper filter applied N note jumper pg5 is only present on older modules which do not have an AC DC switch Jumper pg6 is used to add an offset of 5V on the analog outputs of the BNC connectors In this way O V on the transducer will have a 5 V output this is useful with some acquisition cards e position 1 addition of 5 volts Used for example when using iox software
20. to the front panel of the module Normally this screw should not be touched 4 power module emka TECHNOLOGIES page 9 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 5 power led Is on when the amplifier is powered on panels not shown Unusued slots have a metallic protective plate fitted 2 2 power module The amplifier requires a mains power supply in the range of 100V 240 V 1 6A 0 5A at a frequency of 50 Hz or 60 Hz No internal adjustment is required for the voltage of the power supply 115 V or 230 V caution although there is no internal switch for the power supply voltage fuses of different rating are used for a 115 V and 230 V power supply as described in section 2 3 The power module generates 15V DC voltage from the mains power supply 2 3 back The back panel of the amplifier is shown in figure 2 eu JG FOR LABOTATONY USE gt MOT POR USE ON HURLAR DERMVICE OY AUTHORIZED ers coa ARPAESENTATIVE ONLY HO USDA SERVICEABLE PART INSIDE MARK OF ELECTRICAL HAZARD IF OPENED 7 WEA MANUAL DEFORD OPERATING THIS DEVICE DISCONNECT POWER CORD BEFORE REPLACING Pune PODA CORD PROTECTIVE GROUNDING CONDUCTOR MUST DE CONNECTED TO GROUND figure 2 amplifier back panel 1 power assemby switch fuses power socket power switch fuse box power socket type CEE22 Contains two 1A _ delayed fuses for 230V power supply or two 2 A delayed fuses for 115 V power supply 2 din 7 socke
21. ts transducers or ecg cables are connected here 3 analog output to chart recorder emka TECHNOLOGIES page 10 product overview 4 BNC connectors for output to data acquisition card on computer or other device Internally each BNC connector is linked to the din 7 socket just above 2 4 chart recorder connector assignment The amplifier can be connected directly to a chart recorder The connector assignment is shown in figure 3 ag a 1 channel 1 g O ground S 2 channel 2 a O ground r 3 channel 3 p O ground M 4 channel 4 O ground figure 3 assignment of connectors for chart recorder emka TECHNOLOGIES page 11 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 chapter 3 getting started 3 1 inspection After unpacking the device visually inspect all external parts for possible damage to connectors surface areas etc If damage is discovered file a claim with the carrier and the provider The shipping container and packing material should be stored in case reshipment is required 3 2 mechanical installation Ensure that all screws are tight and that any free slots are covered by a protective metallic plate 3 3 electrical installation A caution for your safety please read this section very carefully To avoid injury or death due to electrical shock the third wire earth ground must be continuous to the facility power outlet Before connecting to the facility power outlet examine extensio
22. ucer Take the high calibration points while applying a known physical stress to the transducer known weight or pressure etc In ox software the calibration is performed in 2 points sampled mode please refer to the ox user manual for step by step instructions resolution choose the low and the high values so that they cover the measuring range For N note you may also use a non zero value as low point of your calibration For better example to measure forces between O and 6g calibrate between O and 5g or O and 10g rather than between O and 1g if you change any settings in gain or balance you must re calibrate page 17 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 4 4 typical settings by application application isolated isolated pulmonary cardiovascular cardiovascular tissue tissue dpt and ppt fluid filled Millar organ by organ transducers catheters Mikro Tip emka or wpi by Grass e g blood catheters IT 1 FORT FT 03 pressure pleural e g left pressure ventricular pressure blood a pg1 internal gain pg2 amp pg3 position 2 position 2 position 2 position 1 position a low pass filters pg6 position 1 aes 1 position 2 position 1 a 1 offset pg7 position A position ill position A position A position hal excitation voltage pg8 pg9 position 1 position 1 position 2 position 1 position 1 high pass filters emka TECHNOLOGIES page 18 single l
23. upport form in the customer feedback chapter 11 1 check the website For technical support please go to www emka fr and then the sections services faq or services knowledge base For customers with a private account you can obtain technical Support from your assigned sales representative and exchange files in a confidential manner If you do not have an account we recommend that you apply for one go to services my account 11 2 contact emka TECHNOLOGIES If you still need a solution contact emka TECHNOLOGIES corporate headquarters emka TECHNOLOGIES SA tel 33 0 1 40 60 76 OO 59 bd G n ral Martial Valin fax 33 0 1 40 60 65 55 75015 Paris France North American office emka TECHNOLOGIES INC tel 1 703 237 9001 307 Annandale Road suite 203 fax 1 703 237 9006 Falls Church VA 22042 USA 11 3 returns policy The support team may decide that it is necessary to return the equipment to our workshop for further evaluation In this case you will be given an RMA return material authorization number to indicate on the packaging An RMA number is compulsory for all returns Before returning equipment to emka TECHNOLOGIES it must be cleaned and also disinfected sterilized where necessary to eliminate the risk of contaminating our premises and the people who work there and handle the equipment For these reasons non clean equipment will not be evaluated but immediately returned to the sender who
24. ure 7 front panel of single lead ecg amplifier module emka TECHNOLOGIES page 19 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 chapter 6 standards leads ecg amplifier module 6 1 overview The standard leads ecg amplifier module provides ecg amplification and filtering on 6 standard leads allowing both in vivo and in vitro studies The 6 standard leads are leads Il and Ill Einthoven bipolar leads and leads aVR aVL aVF Goldberger unipolar leads The standard leads ecg amplifier module is supplied with a 5 wire ecg cable 3 measurement points shield reference The ecg cable is fitted with a 5 pin standard DIN plug which connects to the 7 pin socket of the mainframe 6 2 front panel calibration switch Used to generate a O V and a 1 mV 40 1 calibration pulse The output signal is determined by the gain For example if the gain is set at 4 the output signal will be 1 mV x 4 x 1000 4000 mV low pass filter 2nd order filter Cut off frequencies 35 Hz 100 Hz 200 Hz 500 Hz 40 dB decade high pass filter 1st order filter Cut off frequencies 0 05 Hz 0 2 Hz 0 5 Hz 1 Hz 20 dB decade l gain selection button Five steps are available from 0 25 to 4 Actual gain is 1000 x higher than shown For example when the knob is set to 4 an amplification of 4000 x is provided so that 1 mV of input gives 4 V of output outputs BNC connectors for output of leads 1 U
25. will also be charged the delivery costs Unauthorized returns i e without an RMA will be handled in the same manner emka TECHNOLOGIES page 30 Customer feedback chapter 12customer feedback 12 1 support form Photocopy this page and fill it out each time you encounter problems Completing this form accurately helps us to answer your question more effectively personal information name title function company address fax phone please indicate which describe the problem here Please return the form by post or fax emka TECHNOLOGIES corporate headquarters 59 bd G n ral Martial Valin 75015 Paris France Fax 33 0 1 40 60 65 55 emka TECHNOLOGIES INC sales and support office for North America 307 Annandale Road suite 203 Falls Church VA 22042 USA Fax 1 703 237 9006 emka TECHNOLOGIES page 31 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 12 2 feedback on this user manual emka TECHNOLOGIES strongly encourages feedback on its products and services Please let us Know what you think about this user manual by returning the form below This information will enable us to continue to improve our documentation My feedback concerns 4 channel amplifier user manual v 1 1 revision 1 SEPTEMBER 2009 personal information name title function company address fax phone please indicate which Please tell us whether you think that this manual is circle your answer
26. with a force transducer e position 2 no addition Used for example with chart recorders or pulmonary applications Jumper pg7 is used to select the voltage for feeding the gauge bridge of the transducer e position A 10 V e position B 5 4 V Jumper pg8 is used to adjust the cut off frequency of the high pass filter for the chart recorder output e position 1 0 075 Hz e position 2 0 25 Hz e position 3 1 Hz This adjustment is useful only if pg4 is not present Jumper pg9 is used to adjust the cut off frequency the high pass filter for the BNC outputs e position 1 0 075 Hz e position 2 0 25 Hz e position 3 1 Hz This adjustment is useful only if pg5 is not installed The com3 switch inverses the DC voltage polarity feeding the gauge bridge e position 1 inverted voltage position of the mark on the card e position 2 non inverted voltage normal position f1 and f2 are the two fuses whose rating depends on the power supply e fora 230 V power supply two 1 A delayed fuses e for a 115 V power supply two 2 A delayed fuses Section 8 3 gives the procedure to change the fuses emka TECHNOLOGIES page 16 4 3 4 3 1 4 3 2 emka TECHNOLOGIES strain gage module calibration and adjustment adjustment calibration Connect the transducers to the inputs Connect a voltmeter or acquisition software to the output Set gain knob to 1 With the screwdriver adjust the ref out pote
Download Pdf Manuals
Related Search