Operators Manual
Contents
1. Battery cycles Recharging Auxiliary Contact Quality Monitor Testing Feature 2 hour minimum 200 Instrument has internal automatic charger that is activated when unit is plugged into wall with power cord No external charger required The main test load section is used to perform a simple Auxiliary Contact Quality Monitor Testing Feature CQM operational check Display A hala yt LCD 7 segment Display SiZ ses es tet aeons ce ier Four full digits Overall display size 200 22440 nennen 2 0 x 0 75 Introduction and Specifications 1 General Specifications Front Panel Controls Pushbuttons Measurement Select 1 Load Select Increment test load one step Decrement test load one step Designations Generator output active 1 Generator output dispersive 2 Auxiliary HF leakage load 2 AAA A densa 4 mm 0 160 diameter safety sockets Input voltage liMit ooooonnoccnnnccnnnncccnnnccccnanccconanos 10 000 V peak Input current liMit oocooooccocnnncccnnncccnnacccnnnaccnanno 3 amperes rms Installation category Il Side Input connection Designations iaa ann Signal reference Oscilloscope Output Transformer coupled output Scale Factor coman iii uncalibrated A en BNC Calibration Period Calibration recommended every 12 months General Specifications Temperature Range Operatihgi senos asne dead 15 to 35 C DlOMAQE ii ii 0 to 50 C Humidity Range 90 non condensing2. HF Leakage Test 1 OPEN CIRCUIT TEST CONNECT ONE HF LEAD ONLY ESU Active ACTIVE OR ESU Dispersive DISPERSIVE SUPPLY MAINS l GROUND EARTH REFERENCE 9 WHILE IN BATTERY OPERATION MODE Use Lead from side battery ground banana TYPECF jack to earth reference point exz11 eps Figure 3 3 HF Leakage Test Number One 3 12 Operation Testing the ESU HF Leakage Current Test 2 The HF leakage test number two is an IEC earth referenced BF type leakage current test You perform the test by connecting a 200 ohm resistive test load from the ESU s active electrode to earth ground on the Analyzer High frequency leakage current is then measured through a second 200 ohm resistive load You can view the resulting measurement on the Analyzer s display See Figure 3 4 for a diagram of this test at the end of this section Test Procedures The procedures involved with this test include e connecting the ESU you want to test to the Analyzer e selecting a 200 ohm test load resistance e measuring the ESU s HF leakage current e ending the test To connect the ESU to the Analyzer 1 Connect the ESU Active electrode to the right gray jack aux HF leakage using one of the test leads from the set Part 1903307 2 Connect the ESU Neutral Dispersive electrode to the left blue jack dispersive using test lead Part 2772171 3 Connect a jumper between the yellow
3. 1903307 ESU Dispersive safety lead 1 2772171 ESU CQM safety lead 1 2772180 ESU Jumper safety lead 2 2772209 Ground pin adapter 1 2242165 Table 1 4 Optional Accessories for the Analyzer Watertight protective carrying case 2248587 Serial cable 2204472 RF303 Operators Manual Chapter 2 Installation Setup and Maintenance Contents Installation and Setup ccecccesceseceeceeeceeeeeeeeeeeeeeeeseeeeeneensees Power Up Sequence ceecceescecseeceeeeeceneeesseeceeeeseneeceeeeeaeeeeenes Operating the Analyzer Using Battery Power LED Backlight Display Operation een NE Connecting Test Leads between the ESU and the Analyzer Test Lead Set with Retractable Shrouds ESU Dispersive Safety Lead neenenseensenseneenennnnn ESU Jumper Safety Lead 0nersenseensennsennennnennnnn ESU CQM Safety Lead cocooooccnoconocccononnconncnnnonononnnonnnnanonnnnnos Maintenance consta ds Cleaning u energie Calibration 42 0 2 ae ee eel a ees Replacing FUSES cesccesessseeseeeseeeeeeeceeeeceeeeeeeeeeeeeeeeenseenaes 2 1 RF303 Operators Manual 2 2 Installation Setup and Maintenance 2 Installation and Setup Installation and Setup The Analyzer has a universal power supply and automatically operates with applied main voltages having a maximum range of 83 264 V ac You do not need to adjust voltage via jumpers or p
4. Connect the ESU Neutral Dispersive electrode to yellow jack active using test lead Part 2772171 3 Connect a jumper between the right blue jack dispersive and the left green jack ground earth reference using test lead Part 2772209 4 Connect a jumper between the right green jack ground earth reference and the left gray jack aux HF leakage using test lead Part 2772209 5 If operating under battery power attach a test lead from the set Part 1903307 from the battery ground on the side panel to the ground earth reference To select a 200 ohm test load resistance setting 1 Press the OHMS SELECT increase or decrease buttons as needed until the test load value 200 appears in the display After approximately one second the display returns to a blank screen Below is an example of a test load value as it appears in the display 3 16 Operation Testing the ESU O WATTS ann UU OHMS ET MODE SELECT OHMS SELECT exz07 eps To measure the ESU s signal HF leakage 1 Ifthe mA indicator lamp on the panel is lit go to Step 2 If it is not lit press the MODE SELECT ENT button to select mA and go to Step 2 2 Activate the ESU and view the signal HF leakage measurement on the display The measurement will be in milliamperes Here is an example O WATTS IDD O OHMS MODE SELECT OHMS SELECT exz18 eps To end HF leakage test number three Deactivate the ESU to en
5. electrode jack on most ESU panels 2 8 Installation Setup and Maintenance 2 Installation and Setup Note The mechanical pin is removed from the COM connector to disable COM during ESU generator output tests ESU Jumper Safety Lead Part 2772209 Color Black Quantity Two Both ends of these two short jumpers have fixed shroud 4mm banana plugs and are used to configure the Analyzer for the IEC Type BF Tests 1 and 2 which utilize the auxiliary HF load resistance 2000 Both jumpers are required to conduct these tests ESU CQM Safety Lead Part 2772180 Color Clear with blue and yellow connectors Quantity One One end of the test lead has two fixed shroud 4mm banana plugs to connect across the Analyzer test load The other end has a CQM style 2PIN connector that plugs directly into the neutral or dispersive electrode jack on most ESU panels Note The mechanical pin is intact to enable the COM function during COM testing Do not use this lead for output testing 2 9 RF303 Operators Manual Maintenance Follow the recommendations below to keep the Analyzer in good working condition Cleaning Moisten a clean cloth with a mild solution of detergent and water only and wipe the Analyzer clean A Caution To avoid damaging the Analyzer use only dilute mild detergent for cleaning Calibration Calibrate the Analyzer every 12 months Replacing Fuses The Analyzer contains two operator replaceable
6. Note The Analyzer should be charged overnight when the battery is fully drained 2 6 Installation Setup and Maintenance 2 Installation and Setup LED Backlight Display Operation The Analyzer s display lights when you select a load or when a test measurement is received by the instrument Ventilation The Analyzer requires proper ventilation so that it does not overheat during operation Always ensure that the two ventilation ports located on each side of the Analyzer are not blocked during use Maintain at least four inches 10 2 centimeters of clear space around each of these ports An internal fan located immediately behind the grille on the left side port supplies forced air ventilation Sensors measure the temperature of the load resistors and the fan accelerates as the load temperature increases Fan rotation is monitored also If the load temperature is excessive or if the fan is not functioning an error condition is indicated on the display and the audio transducer emits a beeping sound The error display codes are E 01 Temperature too high E 02 Fan not operating A Caution Permanent damage to the Analyzer can occur if you continue to apply a high level ESU signal after the alert has been activated Connecting Test Leads between the ESU and the Analyzer A complete set of test leads is supplied with the Analyzer Use these test leads to connect the ESU generator output to the Analyzer and to config
7. automatically turns off to protect the battery from damage This action is preceded by a warning interval of about 5 minutes indicated by a flashing red light of the battery status indicator When the ac power cord is connected between the Analyzer and an ac power source and the Analyzer is not powered on the battery charger is active However instrument controls and measurement circuits do not receive power See Table 2 2 below for a summary of battery operating status under various conditions 2 5 RF303 Operators Manual Table 2 2 Battery Operating Status Power Source to Analyzer On Off Switch Instrument Setting Controls and Measurement Circuits en m f oa minimal leakage e I on f ron one EEE er E Battery Status Light The battery status indicator light is labeled BATTERY STATUS Table 2 3 shows status light displays and their corresponding conditions Analyzer Connected to ac Power Source Battery Status Table 2 3 Battery Status Light Flashing green Battery is being qualified checked with medium charge or receiving full charge Voltage is OK Steady green Maintenance charge voltage OK or battery operation with voltage OK Flashing red and green Automatic shut down is pending battery is nearly exhausted Flashing red Automatic shut down is imminent Steady red When plugged in indicates that the battery is not charging and needs replacement by the Fluke Biomedical Service Center
8. dispersive using the other test lead from the set Part 1903307 Continue to load selection To select the desired test load resistance l Press the OHMS SELECT increase or decrease buttons until the test load value you want appears in the display After approximately one second the display returns to a blank screen Below is an example of a test load value as it appears in the display O WATTS An o JUL O OHMS MODE SELECT OHMS SELECT exz03 eps Note The default or initial power up test load selection is 300 ohms 3 5 RF303 Operators Manual To measure the ESU s power output 1 Activate the ESU 2 Ifthe WATTS indicator lamp on the panel is lit go to Step 3 If it is not lit press the MODE SELECT ENT button to select WATTS and go to Step 3 3 View the power measurement on the display Here is an example wATTS JAN J UU OHMS ENT ES MODE SELECT OHMS SELECT exz04 eps To measure the ESU s current output 1 While the ESU is still activated press the MODE SELECT ENT button until the milliamperes mA indicator lamp lights 2 View the ESU s current output in mA Below is an example O WATTS YA dm p O OHMS ENT E MODE SELECT OHMS SELECT exz05 eps To end the generator output test Deactivate the ESU A Caution To avoid damage to the Analyzer and the ESU under test do not exceed the Analyzer s duty c
9. jack active and the left green jack ground earth reference using test lead Part 2772209 4 Connect a jumper between the right blue jack dispersive and the left gray jack aux HF leakage using test lead Part 2772209 5 If operating under battery power attach a test lead from the set Part 1903307 from the battery ground on the side panel to the ground earth reference To select a 200 ohm test load resistance setting 1 Press the OHMS SELECT increase or decrease buttons repeatedly until the test load value 200 appears in the display After approximately one second the display returns to a blank screen Below is an example of a test load value as it appears in the display 3 13 RF303 Operators Manual O WATTS g UU 7 O OHMS ENT E MODE SELECT OHMS SELECT exz07 eps To measure the ESU s signal HF leakage 1 Ifthe mA indicator lamp on the panel is lit go to Step 2 If it is not lit press the MODE SELECT ENT button to select MA and go to Step 2 2 Activate the ESU and view the signal HF leakage measurement in milliamperes on the display Here is an example WATTS JAS O OHMS E MODE SELECT OHMS SELECT exz18 eps To end HF leakage test number two Deactivate the ESU to end the HF leakage test A Caution To avoid damage to the Analyzer and the ESU under test do not exceed the Analyzer s duty cycle which is 30 seconds ON during any continuous one minute p
10. measuring generator output RFLKG for measuring HF leakage RARF for conducting CQM test Return Value Response Model Analyzer name and the version of the firmware Example MODEL Analyzer VERSION X XX Where X XX is the version number Firmware version number Example VERSION X XX Where X XX is the version number 3 23 RF303 Operators Manual Table 3 2 Available Duplex Mode Commands cont Command RDMODE EXITMODE SETLOAD parm RDLOAD RDPOWER 3 24 Description Parameters Return Value Required Response Prompts the Analyzer to None NONE transmit the current eae e s OUTPUT selected mode RFLKG RARF Prompts the Analyzer to None i exit the currently selected mode Note You must exit the current mode before entering another Sets the measurement Values of 50 test load resistance from 750 in 50 750 ohms in 50 ohm increments of increments Not 50 available in RFLKG mode Resistance value of the None RRRR ohms A vere RRA te load value in ohms Formatted to four digits with leading spaces as required Prompts an Analyzer None PPP P w power measurement in watts Not available in RFLKG and RARF modes Remote Operation via the RS 232 Function Operation 3 Table 3 2 Available Duplex Mode Commands cont RDCURRENT RDMETER Prompts an Analyzer current measurement in milliamperes Not available in RARF
11. mode Prompts the Analyzer to measure the applied signal of the ESU Prompts the Analyzer to return all measurements of the applied signal of the ESU MODE NONE Parameters Required None None Return Value Response AAAA mA Where AAAA is current in milliamperes I AAAA mA CF XX X KVPP XXX PWR PPP P w Where AAAA is the Current reading in milliamps XX X is the Crest Factor XXX is the peak to peak voltage in kVolts and PPP P is the power in watts 3 25 RF303 Operators Manual Table 3 2 Available Duplex Mode Commands cont Parameters Required Command 3 26 Description Prompts the Analyzer to return all measurements of the applied signal of the ESU MODE OUTPUT Prompts the Analyzer to measure the applied signal current of the ESU MODE RFLKG Prompts the Analyzer to return the current test load MODE RARF Return Value Response I AAAA mA CF XX X KVPP XXX PWR PPP P w Where AAAA is the Current reading in milliamps XX X is the Crest Factor XXX is the peak to peak voltage in kVolts and PPP P is the power in watts I AAAA mA Where AAAA is the Current reading in milliamps REM RESISTANCE RRR Where RRR is the load value in ohms Appendices Appendix Title Page A Load ISSUES ui tected Masti Ran eee B Interpretation of Fluctuating Readings eeeen C _ Abbreviations unesseessseessnsees
12. the Analyzer s yellow jack active 2 Connect the other banana plug to the Analyzer s left blue jack dispersive 3 Connect the 2PIN CQM REM connector on the other end of the test lead to the neutral dispersive electrode of the ESU To select a 50 ohm test load resistance setting 1 Press the OHMS SELECT increase or decrease buttons as needed until the test load value 50 appears in the display After approximately one 1 second the display returns to a blank screen Below is an example of a test load value as it appears in the display O WATTS SB O OHMS MODE SELECT OHMS SELECT exz12 eps 3 8 Operation Testing the ESU To observe the ESU s visual or audible alarm l With the 50 ohm test load attached to the ESU CQM REM input it should sense this level of resistance in the pass zone Depending upon the ESU device manufacturer this pass zone can extend from 135 to 250 ohms Test load settings over the pass zone activate the CQM alarm Note Refer to the technical support service manual of the ESU you are testing for the recommended check out procedure for the ESU COM feature Increase the test load from 50 ohms until the CQM alarm sounds The value at that point is the CQM alarm resistance Basic CQM Check Contact Quality Monitor X No connection ACTIVE DISPERSIVE Test load Q ESU CQM exz13 eps Figure 3 2 Ba
13. Altitude To 2 000 meters Ventilation Internal fan with variable speed control Over temperature detector Magnetic tachometer sensor to detect blocked fan motor RF303 Operators Manual Power Requirements Universal input switching supply 12 V dc output Operating Voltages SPOcied ccoo torero resta 115 V ac 230 V ac Maximum TaNQl ccccooociconoccnconocccnnnncnnananoncnnnninas 83 to 264 V ac Operating frequencies Spore ra 50 Hz 60 Hz Maximum range cccececeeceeeeeeseeeeeeeteeeeeeneees 47 to 63 Hz Maximum input requirement 60 VA Fusing External user replaceable Quantity ieie asat ninasi 2 250 V 3 15 A Type F L1 and L2 Case construction High impact plastic UL94 VO Weight 5 6 kg 14 15 Ib Dimensions 15 24 cm H x 34 24 cm W x 30 48 cm D 6 00 in H x 13 48 in W x 12 00 in D Intended Use Indoor Installation category II Pollution degree 2 Portable equipment Sound levels less than 65 db A Introduction and Specifications 1 Accessories Accessories Table 1 3 lists the accessories provided with the Analyzer and their corresponding Fluke part numbers Table 1 4 lists optional accessories and their part numbers Table 1 3 Accessories Provided with the Analyzer Analyzer Operaters Manual 2202027 Analyzer Accessory Kit 2202009 Includes quantity Fuse type F 3 15 A 250 V 2 2183792 Suregrip large alligator clip set 2 set 1610159 Test lead set with retractable sheaths 2 set
14. ES SOE aaea rennt Eee Installation Setup and Maintenance uuusunesunsnnnannnannennenn Installation and SetUp ooooocnncnnccnonnnononcnonncnnconccnnonononncononnnonncnncn nono conocio Power Up Sequences viii dina Operating the Analyzer Using Battery Power ei LED Backlight Display Operation cccceecseeceseeseeeeceseceeeseeeeees Ventilation oo eee eececcescesccesecesecseeeeceseceaecseeseeeeceseceaecaeeeeseaeceaeeneeeeeesees Connecting Test Leads between the ESU and the Analyzer Test Lead Set with Retractable Shrouds ESU Dispersive Safety Lead ESU Jumper Safety Lead ESU CQM Safety Lead Maintenance sarah Cleaning ca aia Calibration is Replacing FUSES s 5tsessdresecs caesazeldocd set steas eve sdvesath canes deusch otecdeasievesseeene OPO Neat ON siii The Signal Averaging Mode SAM c cesccsseesseesceseceseeseeeeceeenseeneees Testing the ESU ai Key to Panel Diagrams 0 cccecccceeceeeceseceeeecesecececseeeeeeseenseeseeaeees Generator Output Test u suessssnssssensessnsennesnensenssnennensensensnnennensussansne Basic Contact Quality Monitor CQM Test me HF Leakage Current Test 1 ccc ccceescessceecseeeeceeceseceeeeeceseenaeeneees RF303 Operators Manual HF Leakage Current Test 2 sesessssesessessesessessesesrtssssesocssssesoesossesesse HF Leakage Current Test 3 ccceccesccsseesceescesecsseeseeeeeese
15. FLUKE Biomedical RF303 Electrosurgical Analyzer Operators Manual PN 2202027 April 2007 2007 Fluke Corporation All rights reserved Printed in USA All product names are trademarks of their respective companies Warranty and Product Support Fluke Biomedical warrants this instrument against defects in materials and work manship for one full year from the date of original purchase 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 Bio medical This warranty does not apply if the product has been damaged by acci dent or misuse or as the result of service or modification by other than Fluke Bio medical INNO EVENT SHALL FLUKE BIOMEDICAL BE LIABLE FOR CONSEQUENTIAL DAMAGES Only serialized products and their accessory items those products and items bear ing a distinct serial number tag are covered under this one year warranty PHYSICAL DAMAGE CAUSED BY MISUSE OR PHYSICAL ABUSE IS NOT COVERED UNDER THE WARRANTY Items such as cables and nonserialized modules are not covered under this warranty Recalibration of instruments is not covered under the warranty This warranty gives you specific legal rights and you may also have other rights which vary from state to state province to province or country to country This warranty is limited to repairing the instrument to Fluke Biomedical s specif
16. TERS ERR 03 PARAMETER OUT OF RANGE OR SYNTAX ERROR ERR 04 COMMAND NOT AVAILABLE FROM THIS MODE ERR 05 DEACTIVATE ESU BEFORE ADJUSTING ERR 06 ACCESS DENIED The received command requires parameters and there were none or they were not recognized The command did not include the correct number of parameters One or more of the parameters were out of the correct range or there was an error in the syntax of the command The Model Analyzer is not in the special sub mode within the remote that is required for the command There is an ESU signal present at the meter inputs that is not allowed for the command to be executed The command is a calibration command and the calibration jumper is not connected Table 3 2 describes various commands available in Duplex Mode 3 22 Remote Operation via the RS 232 Function Operation 3 Table 3 2 Available Duplex Mode Commands Command Description Parameters Required GOTOREMOTE GOTOLOCAL IDENT SETMODE parm Places the Analyzer in the duplex remote mode Returns the Analyzer to normal local mode operation exits duplex remote mode Identifies the Analyzer model and firmware version number Identifies the firmware version number Changes the format of the Analyzer response to the RDMETER command Separate the command from the desired mode parameter using a colon Refer to RDMETER below Example SETMODE OUTPUT OUTPUT for
17. als cables accessories etc and in as new and resalable condition Products not returned within 90 days of purchase or products which are not in as new and resalable condition are not eligible for credit return and will be returned to the customer The Return Procedure see below must be fol lowed to assure prompt refund credit Restocking Charges Products returned within 30 days of original purchase are subject to a minimum restocking fee of 15 Products returned in excess of 30 days after purchase but prior to 90 days are subject to a mini mum restocking fee of 20 Additional charges for damage and or missing parts and accessories will be applied to all returns Return Procedure All items being returned including all warranty claim shipments must be sent freight prepaid to our factory location When you return an instrument to Fluke Biomedical we recommend using United Parcel Service Federal Express or Air Parcel Post We also recommend that you insure your ship ment for its actual replacement cost Fluke Biomedical will not be responsible for lost shipments or instruments that are received in damaged condition due to improper packaging or handling Use the original carton and packaging material for shipment If they are not available we recommend the following guide for repackaging Use a double walled carton of sufficient strength for the weight being shipped Use heavy paper or cardboard to protect all
18. always end with the colon character and a parameter plus the parameter For example the setup command SETLOAD requires the colon followed by the load value in ohms SETLOAD 50 e Multiple commands or parameters are separated by commas All possible command parameter choices are shown Unless otherwise stated the default parameters are listed first e As mentioned earlier every command returns a value as a response The return value may be a string of alphanumeric characters Commands that do not require any special return value will show the star character simply to indicate that the command has been executed e After the Analyzer receives a command it will ignore all other commands until after it has responded to the first command e Ifyou do not enter a command and just press the Enter key carriage return on the computer keyboard the Analyzer will return the question mark character 3 21 RF303 Operators Manual e All responses are uppercase followed by CR and LF e Measurement readings from the Analyzer are returned identically as they would appear on the Analyzer s display that is as numbers with or without a decimal point and followed by any appropriate unit of measurement e Errors always return a response beginning with ERR XX plus the description Table 3 1 lists each of the error responses Table 3 1 Error Responses ERR 01 BAD OR MISSING PARAMETERS ERR 02 ILLEGAL NUMBER OF PARAME
19. aneous feedback loops which constantly adjust the output and can cause an oscillating effect This result is also satisfactory and is considered normal for these devices e Insome cases fluctuating ESU power output is evidence of a problem Fluctuating output on some ESUs may indicate the weakening of output from power transistors or other ESU ailments and is not acceptable If an ESU normally has fluctuating output then operating the Analyzer in one of the Signal Averaging Modes SAM may be desirable SAM significantly reduces fluctuating readings on the display of the Analyzer making it easy to read an average value B 1 RF303 Operators Manual B 2 Appendix C Abbreviations Abbreviations The following list includes abbreviations used in this document ANSI AAMI BLU BPM dB C CQM DMM EEPROM ECG ESU EUT F GRA GRN Hz ampere American National Standards Institute Association for the Advancement of Medical Instrumentation blue color beats per minute decibel degrees Celsius centigrade Contact Quality Monitor digital multimeter electrically erasable PROM electrocardiograph or electrocardiogram Electrosurgery Unit equipment under test degrees Fahrenheit gray color green color hertz C 1 RF303 Operators Manual kg kHz kQ LED LCD MHz MO mA mm mV p p REM YEL yA uV C 2 inch kilo 10 kilogram kilohertz kilohm pound light emitting diod
20. ceeeseeeeeeaes Connecting an Oscilloscope to the Analyzer ai Remote Operation via the RS 232 Function Setting Up and Operating the Analyzer in Simplex Mode Setting Up and Operating the Analyzer in Duplex Mode Appendices A Load Issue ida B Interpretation of Fluctuating Readings C ADDrEVIATONS cricosnoocneicacsconizedinsojrornnocanira dado canon nat o z o WBWNNNE EHS a I END TI List of Tables Symbols Controls and Connections uueseesensesnennesensesnennesennenennnnsennense nennen ACCESSOTIES ve fucsscedssevsvssesisvce cesses EAER AAEE AEE Optional Accessories for the RF303 sete Power Up Error Condition Codes uunesnennesnnnesennnnnennenensnnnne nennen Battery Operating Status uesenssesseensennensnensnnnnennnnnnnennennnnnnnennenen Battery Status Light Error Responses cceseceeeeeereeeeeeeeee Available Duplex Mode Commands iii RF303 Operators Manual List of Figures Figure Title Analyzer Control and Interface Panels no FUse CoVEbi angeln ud noni Generator Output Test Basic CQM Check HF Leakage Test Number One HF Leakage Test Number TWO oooooconccnonococonccononononnconcnnnonnnonnconcnnccn conos HF Leakage Test Number Three Burst Waveform on Oscilloscope Display Www ww q Ry DU E UND RF303 Operators Manual vi Chapter 1 Introduction and Specifications Contents EC Direct
21. chnical assistance center at 800 648 7952 Key to Panel Diagrams The Analyzer uses lights to indicate whether the value displayed in the window represents watts mA or ohms The diagrams in this section resemble the Analyzer panel The key is as follows O Analyzer panel light is off O Analyzer panel light is on Generator Output Test The Analyzer provides an effective method of attaching a resistive load to the ESU under test and displays the output directly in either watts or HF current of the applied ESU signal See Figure 3 1 for a diagram of the generator output test Test Procedures This test involves e connecting the ESU you want to test to the Analyzer e selecting a test load resistance e measuring the ESU s power output e measuring the ESU s current output e ending the test To connect the ESU to the Analyzer for a monopolar output test 1 Connect the ESU Active electrode to the yellow jack marked active using one of the test leads from the set Part 1903307 3 4 2 3 Operation Testing the ESU Connect the ESU Neutral Dispersive electrode to the left blue jack dispersive using the test lead Part 2772171 Continue to load selection To connect the ESU to the Analyzer for a bipolar output test l 3 Connect the ESU Bipolar 1 electrode to the yellow jack marked active using one of the test leads from the set Part 1903307 Connect the ESU Bipolar 2 electrode to the left blue jack
22. d the HF leakage test A Caution To avoid damage to the Analyzer and the ESU under test do not exceed the Analyzer s duty cycle which is 30 seconds ON during any continuous one minute period 3 17 RF303 Operators Manual Earth Reference Leakage Type BF Test 3 Load from active electrode to earth ESU RF303 ESU Active ACTIVE Aux HF Leakage 200 Q Jumper DISPERSIVE SUPPLY C MAINS ESU Dispersive EARTH Ena ES Jumper TYPE BF WHILE IN BATTERY OPERATION MODE GROUND Use Lead from side battery ground banana EARTH jack to earth reference point REFERENCE exz10 eps Figure 3 5 HF Leakage Test Number Three 3 18 Operation 3 Connecting an Oscilloscope to the Analyzer Connecting an Oscilloscope to the Analyzer You can connect an oscilloscope to the Analyzer Connect a standard coaxial cable to the scope out BNC connector located on the top left of the panel Adjust your oscilloscope to view the applied waveform Refer to Figure 3 6 to see a typical burst waveform A HHI Wh I L CEEE ce ee EET exz17 bmp Figure 3 6 Burst Waveform on Oscilloscope Display Remote Operation via the RS 232 Function You can operate the Analyzer locally or remotely Local mode is the default you manually control the Analyzer by pressing the buttons on the panel Set the desired test load and indicate whether to measure in watt
23. e liquid crystal display meg a 10 megahertz megohm meter milli 107 milliampere millimeter millivolt peak to peak Return Electrode Monitor second yellow color micro 10 microampere microvolt ohm
24. e key sequence again selects the two second signal averaging mode F 2 appears on the display Initiating the key sequence again brings the unit back to the default instantaneous mode F 0 appears on the display and so on Testing the ESU The sections that follow describe the specific ESU tests you can perform using the Analyzer Test procedures prompt you to manually connect test leads in the required configuration A A Warning To avoid possible electric shock burning of the skin or personal injury follow these guidelines Retractable end of test leads are for use on ESU only No probes or accessories supplied with the analyzer are intended for handheld use Set up using the safety test leads and stand clear when activating the ESU with the footswitch The Analyzer does not internally configure the test leads You can view functional block diagrams for each test at the end of each test procedure section in this chapter Additional information about test leads is given in Installation 3 3 RF303 Operators Manual Note The Analyzer can test a wide range of electrosurgical units for basic operation and performance It is compatible with both isolated and earth ground referenced outputs and with both monopolar and bipolar outputs If you have any questions about testing an ESU you can review Specifications and the technical service manual for the ESU you want to test In addition you can contact our te
25. erating the Analyzer in Duplex Mode In Duplex Mode you control operation of the Analyzer from a remote terminal or computer by issuing specific remote commands that control all features of the Analyzer You can view test data received as a result of sending a remote command on the host controller s display In Duplex Mode all panel keys are locked out to allow all functions to be under full direction of the host controller To set up and operate in Duplex Mode follow these steps 1 Connect the Analyzer to the computer with a serial interface cable Part 2238659 3 20 Operation 3 Remote Operation via the RS 232 Function 2 Set the computer to communicate with a baud rate of 2400 with 8 data bits no parity and 1 stop bit Note Serial port flow control uses neither XON XOFF signals nor hardware flow control RTS CTS 3 Power up the Analyzer without pressing any keys 4 Toset the Analyzer in Remote Mode send the GOTOREMOTE command After the command is received by the Analyzer four horizontal bars appear on the display Since the controlling computer always receives a return value a response the asterisk will be displayed on the monitor 5 Control the Analyzer with the desired commands 6 To exit Remote Mode and return to Local Mode send the GOTOLOCAL command Observe the following while operating in Duplex Mode e Commands must be terminated by a carriage return line feed CR LF e Setup commands
26. eriod 3 14 Operation Testing the ESU Earth Reference Leakage Type BF Test 2 Load between electrodes ESU RF303 Active Lead ACTIVE Aux HF Leakage 200 Q Jumper DISPERSIVE SUPPLY MAINS 1 ESU EARTH Dispersive Jumper TYPE BF WHILE IN BATTERY OPERATION MODE GROUND Use Lead from side battery ground banana EARTH jack to earth reference point REFERENCE exz08 eps Figure 3 4 HF Leakage Test Number Two 3 15 RF303 Operators Manual HF Leakage Current Test 3 The HF leakage test number three is an IEC earth referenced BF type leakage current test You perform the test by connecting a 200 ohm resistive test load from the ESU s active electrode to earth ground on the Analyzer Then you connect a second 200 ohm resistive load from the ESU s neutral dispersive electrode to earth ground on the Analyzer The Analyzer then displays the high frequency current leakage from the ESU you re testing See Figure 3 5 for a diagram of this test at the end of this section Test Procedures The procedures involved with this test include e connecting the ESU you want to test to the Analyzer e selecting a 200 ohm test load resistance e measuring the ESU s HF leakage current e ending the test To connect the ESU to the Analyzer 1 Connect the ESU Active electrode to the right gray jack aux HF leakage using one of the test leads from the set Part 1903307 2
27. erly contact the Fluke Biomedical Technical Assistance Center at 800 648 7952 2 12 Chapter 3 Operation Contents The Signal Averaging Mode SAM c cccscesssseeteceeeereeteensees Testing the ESUiniani ted ds Key to Panel Diagrams nessensesneesennnn nennen nennen Generator Output Test ueencssesssnsessnnnenneessnnnnnnnnnennnennn nn Basic Contact Quality Monitor CQM Test HF Leakage Current Test 1 u nesrseenseneennneneneennenneennnennen HF Leakage Current Test 2 ueneesersensseneennneneneesneneennnennnn HF Leakage Current Test 3 0 0 cescssesecneeeecneeeeceseeeeeaeeneeaes Connecting an Oscilloscope to the Analyzer e Remote Operation via the RS 232 Function eeeee Setting Up and Operating the Analyzer in Simplex Mode Setting Up and Operating the Analyzer in Duplex Mode 3 1 RF303 Operators Manual Operation The Signal Averaging Mode SAM The Signal Averaging Mode SAM Upon power up the Analyzer defaults to the instantaneous algorithm for power output measurement which shows fluctuating ESU output if it exists You can select the desired SAM by depressing the MODE SELECT and OHM SELECT keys simultaneously Each time you initiate this key sequence the Analyzer increments to the next mode Starting at the default mode F 0 the next mode entered is the one second signal averaging mode F 1 appears on the display Initiating th
28. f reading or 3 watts whichever is greater Maximum power input HF Current 30 to 2500 mA rms Resolution 1 mA NS A unennhnn 2 5 of reading or 15 mA whichever is greater Bandwidth System Response Bandwidth of rms converter circuit 1 accuracy Flat response cooocccccnocccconcccccnnn canon non nanancnannnninns 10 kHz to 10 MHz 3 GB PONS una er 1 kHz to 20 MHz System Response measurement circuitry and selected test load 3 dB points uuesensenseensennnennnnnennnnnnnnennnnn 1 kHz to 10 MHz 3000 RF303 Operators Manual Test Load Section Main Test Load Selections ericsson nace iaa 15 Selection range coooccoccnnonoononconcononnnnnononncnnos 50 t0750N Step silent 500 Duty Cycle iii sense 50 400 W maximum 30 seconds ON during any one minute period Resonance impedance variation 0 5 dB maximum lt 10 MHz Accuracy DC to 500 KH2 nenn Auxiliary Leakage Test Load Fixed 4 of selected value measured at calibration to 1 across the entire operating temperature range 2000 ACCUTACY sang 14 Power rating issan dii 225 W Input Capacitance nominal Active to dispersive ccecccceeeeeeeeeeeeteeees 30 pF Active or Dispersive to Earth ground 40 pF Battery Type Sealed lead acid Vollage nalen fae 12 volts nominal Capacity 2 2AH Field serviceable cece nennen No Typical time between recharges
29. fuses rated as Type F 3 15 A and 250 V These fuses are in the two main supply lines You can replace one or both of these fuses by opening the fuse cover located on the right panel Refer to Figure 2 1 for a diagram of the fuse cover assembly If necessary see Instrument Familiarity to identify the fuse cover 2 10 Installation Setup and Maintenance 2 Maintenance exz16 eps Figure 2 1 Fuse Cover A A Warning To avoid severe electrical shock disconnect the power source before replacing fuses Make sure that the power switch is in the OFF position O and disconnect the power cord The Analyzer is now safely powered down Pry the left side of the fuse cover up from the power inlet assembly using a small flat blade screwdriver The fuse cover latches on the right side and remains attached to the Analyzer Remove a fuse carrier with your fingers lifting it from the power inlet housing Note To avoid damage to the Analyzer do not use any sharp instrument to lift a fuse carrier Replace the fuse in the carrier with one of the same amperage and voltage ratings RF303 Operators Manual 5 Reinstall the fuse carrier into the power inlet module ensuring that the arrows on the ends of the fuse carriers point up 6 Close the fuse cover until it snaps into place 7 Reconnect the power cord and power up the Analyzer if desired If you have replaced these fuses and the Analyzer still does not work prop
30. grounded surfaces Due to their length erroneously high HF readings may result Electromagnetic Interference and Susceptibility Like all similar equipment this equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area could cause interference in which case the user will be required to correct the interference and bear any 1 5 RF303 Operators Manual costs The limits established by the following organizations are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment The Analyzer has been tested by independent testing laboratories and found to meet the following requirements EC Directive 89 336 EEC EN 50081 1 Emissions Radiated Emissions and Line Conducted Emissions Verification was to the limits and methods of EN 55011 The device is classified as EN 55011 Group A EC Directive 89 336 EEC EN 50082 1 Immunity Electrostatic Discharge Susceptibility Radiated Susceptibility and Electrical Fast Transient Burst Susceptibility Verification of compliance was conducted to the limits and methods of EN 50082 1 1992 IEC 1000 4 2 EN 61000 4 3 IEC 1000 4 4 EN 61000 4 5 EN 61000 4 6 EN 61000 4 11 USA Federal Communications Commission This equipment has been found t
31. hysical damage such as bent or broken parts dents or scratches Technical Support For application support or answers to technical questions either email techser vices flukebiomedical com or call 1 800 648 7952 or 1 425 446 6945 Claims Our routine method of shipment is via common carrier FOB origin Upon delivery if physical dam age is found retain all packing materials in their original condition and contact the carrier immedi ately to file a claim If the instrument is delivered in good physical condition but does not operate within specifications or if there are any other problems not caused by shipping damage please con tact Fluke Biomedical or your local sales representative Standard Terms and Conditions Refunds and Credits Please note that only serialized products and their accessory items i e products and items bearing a distinct serial number tag are eligible for partial refund and or credit Nonserialized parts and accessory items e g cables carrying cases auxiliary modules etc are not eligible for return or refund Only products returned within 90 days from the date of original purchase are eligible for refund credit In order to receive a partial refund credit of a product purchase price on a se rialized product the product must not have been damaged by the customer or by the carrier chosen by the customer to return the goods and the product must be returned complete meaning with all manu
32. ica tions Warranty Disclaimer Should you elect to have your instrument serviced and or calibrated by someone other than Fluke Biomedical please be advised that the original warranty covering your product becomes void when the tamper resistant Quality Seal is removed or broken without proper factory authorization We strongly recommend therefore that you send your instrument to Fluke Biomedical for factory service and calibra tion especially during the original warranty period Notices All Rights Reserved Copyright 2007 Fluke Biomedical 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 Copyright Release Fluke Biomedical agrees to a limited copyright release that allows you to reproduce manuals and other printed materials for use in service training programs and other technical publications If you would like other reproductions or distributions submit a written request to Fluke Biomedical Unpacking and Inspection Follow standard receiving practices upon receipt of the instrument Check the shipping carton for damage If damage is found stop unpacking the instrument Notify the carrier and ask for an agent to be present while the instrument is unpacked There are no special unpacking instructions but be care ful not to damage the instrument when unpacking it Inspect the instrument for p
33. in electrical shock hazards or improper operation Fluke Biomedical will not be responsi ble for any injuries sustained due to unauthorized equipment modifications Restrictions and Liabilities Information in this document is subject to change and does not represent a commitment by Fluke Biomedical Changes made to the information in this document will be incorporated in new editions of the publication No responsibility is assumed by Fluke Biomedical for the use or reliability of software or equipment that is not supplied by Fluke Biomedical or by its af filiated dealers Manufacturing Location The RF303 Electrosurgical Analyzer is manufactured in Everett Washington by Fluke Bio medical 6920 Seaway Blvd Everett WA U S A Table of Contents Introduction and Specifications uunesnsnnennnennnnnnnnnnnnnnnnnnnen A nates E RTT General Safety Information cceccceecesseeseeseeeeceeeeseceeeeeceeenseeaeees Symbols nee Warnings and Cautions ocooooiccococonononcnnnoncnncnncnnnnnos Electromagnetic Interference and Susceptibility EC Directive 89 336 EEC EN 50081 1 Emissions EC Directive 89 336 EEC EN 50082 1 Immunity ei USA Federal Communications Commission Canadian Department of Communications neneneenenenn Control and Interface Panels a Instrument Specifications ueessessesssensennensnnsnensennnnnnenennennnnnnsensennnn General Specifications soussi seinieni eenia aiia ACC
34. instrument surfaces Use nonabrasive material around all projecting parts Use at least four inches of tightly packed industry approved shock absorbent ma terial around the instrument Returns for partial refund credit Every product returned for refund credit must be accompanied by a Return Material Authorization RMA number obtained from our Order Entry Group at 1 800 648 7952 or 1 425 446 6945 Repair and calibration To find the nearest service center go to www flukebiomedical com service or In the U S A Cleveland Calibration Lab Tel 1 800 850 4606 Email globalcal flukebiomedical com Everett Calibration Lab Tel 1 888 99 FLUKE 1 888 993 5853 Email service status fluke com In Europe Middle East and Africa Eindhoven Calibration Lab Tel 3 1 402 675300 Email ServiceDesk fluke com In Asia Everett Calibration Lab Tel 425 446 6945 Email service international fluke com Certification This instrument was thoroughly tested and inspected It was found to meet Fluke Biomedical s manu facturing specifications when it was shipped from the factory Calibration measurements are traceable to the National Institute of Standards and Technology NIST Devices for which there are no NIST calibration standards are measured against in house performance standards using accepted test proce dures WARNING Unauthorized user modifications or application beyond the published specifications may re sult
35. ive 89 336 EEC EN 50082 1 Immunity USA Federal Communications Commission Canadian Department of Communications Control and Interface Panels ccecceeseceseceseeseeeeeeeeeeeeeereeeeens Instrument Specifications cccceccceseesseseeeseeeseeeeeeeeeeeeeeeseeeeensees General Specifications ccccescececseeeceeeceeeseeeseeeeeeereeeeeneenaees CCESSOTIES crisi ici ri 1 1 RF303 Operators Manual 1 2 Introduction and Specifications 1 Introduction Introduction The RF303 Electrosurgical Analyzer hereafter referred to as the Analyzer tests electrosurgical units ESU for generator output and high frequency HF leakage It is compatible with both isolated and earth ground referenced types of electrosurgical units You can test both the high level monopolar and the low level bipolar ESU outputs using this versatile Analyzer The Analyzer uses a precision high voltage capacitive attenuator to sample the applied ESU signal You can use this attenuated HF voltage and the selected test load resistance value to derive the true rms values of both current and wattage The Analyzer internal test load simulates the range of resistance encountered during surgical procedures Additionally a second 200 ohm O auxiliary test load resistance is built in to analyze earth ground referenced ESUs as specified in the International Standard IEC 601 2 2 The exclusive use of non conductive high impact plastic case mate
36. k active using the test lead Part 2772171 2 Connect the jumper between the right blue jack dispersive and the left green jack ground earth reference using test lead Part 2772209 3 10 Operation Testing the ESU 3 If operating under battery power attach a test lead from the set Part 1903307 from the battery ground on the side panel to the ground earth reference To select a 200 ohm test load resistance setting 1 Press the OHMS SELECT increase or decrease buttons as needed until the test load value 200 appears in the display After approximately one second the display returns to a blank screen Below is an example of a test load value as it appears in the display O WATTS INN U U OHMS MODE SELECT OHMS SELECT exz07 eps To measure the ESU s signal HF leakage 1 Ifthe mA indicator lamp on the panel is lit go to Step 2 If it is not lit press the MODE SELECT ENT button to select mA and go to Step 2 2 Activate the ESU and view the signal HF leakage measurement in milliamperes on the display Here is an example O WATTS IDD O OHMS MODE SELECT OHMS SELECT exz18 eps To end HF leakage test number one Deactivate the ESU to end the HF leakage test RF303 Operators Manual A Caution To avoid damage to the Analyzer and the ESU under test do not exceed the Analyzer s duty cycle which is 30 seconds ON during any continuous one minute period
37. nce is usually larger than 35 because of different methods of deriving power This difference does not mean that the Analyzer is malfunctioning or is in error Rather it reflects the different results that the two measurement techniques produce when the load deviates from the nominal value used in the power calculations Note Most ESU manufacturers use the current measuring technique to calibrate production units A 1 RF303 Operators Manual A 2 Appendix B Interpretation of Fluctuating Readings Interpretation of Fluctuating Readings The RF303 Analyzer incorporates an accurate digital measurement system that operates in three modes The first measurement mode default mode utilizes a relatively short sampling time and does not filter or average ESU output The two selectable measurement modes utilize longer sampling times that average ESU output When using the default measurement mode you may observe some ESU output readings that fluctuate plus or minus 10 or more depending on the unit under test This is normal operation and is not indicative of a problem with the Analyzer When fluctuating readings are observed take note and determine if this is normal behavior for the ESU under test or if this behavior is a sign of a problem e Older ESUs may have unstable output due to old technology or design This is typical and is acceptable based on the manufacturer s limits e Many newer generation ESUs utilize instant
38. o comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules Canadian Department of Communications This digital apparatus does not exceed Class A limits for radio emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le present appareil numerique n met pas du bruits radioelectriques depassant les limites applicables aux appareils numerique de la Class A prescrites dans le Reglement sur le brouillage radioelectrique edicte par le ministere des Communications du Canada Introduction and Specifications 1 Control and Interface Panels Control and Interface Panels Figure 1 1 and Table 1 2 describe the controls and interfaces of the Analyzer exz14 eps Figure 1 1 Analyzer Control and Interface Panels Table 1 2 Controls and Connections Name Description 1 Display Backlit numeric 4 digit LCD 2 Power Indicator WATTS Lamp Displays reading in watts 3 Current Indicator mA Lamp Displays readings in milliamperes mA 1 7 RF303 Operators Manual Table 1 2 Controls and Connections cont item Name Description Test Load OHMS Lamp Displays resistance in ohms Mode Selection MODE SELECT ENT Pushbutton Toggles the display between Power in watts and Current in mA Increase Test Load OHMS SELECT Pushbutton Decrease Test Load OHMS SELECT Pushbutton EN Carrying Handle 9 Ba
39. r personal injury follow these guidelines e Use only test leads supplied with the Analyzer to test the ESU These test leads utilize a shrouded 4mm plug to limit exposure to the high voltage and high frequency ESU signal The retractable ends of these leads are for use on ESU only Introduction and Specifications 1 General Safety Information e Do not plug in or remove a test lead from either the ESU or the Analyzer while the ESU generator is activated or keyed This high frequency ESU signal can be several thousand volts in amplitude when the output is open circuited e Whenever practical during testing activate the ESU generator output using the foot switch supplied with the ESU e No probes or accessories supplied with the analyzer are intended for handheld use Set up using the safety test leads and stand clear when activating the ESU with the footswitch Place the Analyzer on an insulated non conductive work surface to limit possible HF current paths to earth ground Routinely inspect test leads for wear and tear Repair or replace the test leads to maintain operator safety and Analyzer performance Note To ensure accuracy of measurement follow these guidelines e Whenever practical during testing place test leads carrying the ESU signals in parallel approximately 0 5 meters apart to limit capacitive coupling e Avoid crossing or tangling test lead cables during use and do not drape them across conductive
40. rial minimizes extraneous high frequency leakages within the Analyzer General Safety Information This Analyzer complies with safety and technical requirements described in the following directives e UL3101 1 e CAN CSA C22 2 No 1010 1 1992 e EC 73 23 EEC EN 61010 1 e ANSI AAMI HF 18 1986 e IEC 601 2 2 e TEC 1289 1 e TEC 1289 2 A Warning identifies hazardous conditions and actions that could cause bodily harm or death A Caution identifies conditions and actions that could damage the Analyzer the equipment under test or cause permanent loss of data 1 3 RF303 Operators Manual Symbols Table 1 1 describes the symbols used in this document Table 1 1 Symbols Risk of danger Important Hazardous voltage Risk information See manual of electrical shock Conforms to relevant Canadian and U S standards Conforms to European Union directives Underwriters Laboratories listed product AC Alternating Current Indicates that a terminal is connected to the chassis when such a connection is not apparent DC Direct Current Do not dispose of this product as unsorted Earth ground municipal waste Contact Fluke or a qualified recycler for disposal Warnings and Cautions When testing electrosurgical units observe the following to ensure operator safety and maintain integrity of the high frequency HF measurement A A Warning To avoid possible electric shock burning of the skin o
41. rogramming tabs to operate the Analyzer Set up the Analyzer for operation by attaching the supplied power cord to the power cord inlet located on the right panel of the Analyzer case If necessary please refer to Instrument Familiarity to help you identify the power cord inlet Power Up Sequence After plugging the Analyzer into a correctly rated earth ground outlet locate the power switch on the right panel Move the switch to the ON position marked with the symbol Next you should observe the following power up sequence 1 The three front LED indicator lamps illuminate and you see this information momentarily appear in the display B586 2 Next the installed version of the Analyzer s firmware briefly appears in the display Here s an example 2 3 RF303 Operators Manual van LUU Note exz02 eps The letter E followed by a number indicates an error condition the Analyzer has encountered a problem during its internal self test See Power Up Error Condition Codes below 3 The instrument will briefly display several random numbers that are associated with the rms output offset during initialization 4 The display then reverts to a Power Save Mode where the display is blanked out and the backlight is dim The battery and mode LEDs remain ON The Analyzer advances to its default test load condition of 300 ohms ready to measure ESU power in watts Power Up Error Condition Code
42. s Table 2 1 shows all error condition code numbers that can appear in the display at power up and the condition indicated by the code Table 2 1 Power Up Error Condition Codes 2 4 Installation Setup and Maintenance 2 Installation and Setup Operating the Analyzer Using Battery Power You can operate the Analyzer using either ac power or dc power When you power on the Analyzer with the supplied ac power cord installed and connected to an appropriate ac power source the Analyzer operates on ac power When you power on the Analyzer with the ac power cord disconnected the Analyzer automatically operates on battery dc power Note The battery is a sealed lead acid type Do not attempt to replace the battery Return the Analyzer to a service center for replacement of the battery The Analyzer contains an internal ac dc converter During ac power operation this converter assists in charging the battery if it is not already fully charged If the battery is fully charged it is held in a maintenance float mode If you remove the ac power cord while the Analyzer is powered on the Analyzer automatically resets in a battery powered mode The Analyzer can operate on a fully charged battery for approximately two hours Battery age previous battery cycles and Analyzer operating conditions all affect the actual length of time that the Analyzer operates on battery power When the battery nears the end of its discharge cycle the unit
43. s or milliamperes All test load and measurement values appear on the display Two remote modes are also available Simplex Mode unidirectional communication and Duplex Mode bi directional communication 3 19 RF303 Operators Manual Setting Up and Operating the Analyzer in Simplex Mode In Simplex Mode you control operation of the Analyzer from the panel By pressing the MODE SELECT ENT key you can transmit a fixed data string to a host device that includes the ESU readings in watts HF current in milliamps and test load value in ohms The Analyzer sends data to a host device at a fixed baud rate The Analyzer cannot receive commands from a remote terminal or computer in Simplex Mode To set up and operate in Simplex Mode follow these steps 1 Connect the Analyzer to the computer with a serial interface cable Part 2238659 2 Set the computer to receive data at a baud rate of 2400 with 8 data bits no parity and 1 stop bit 3 With the Analyzer power turned off press and hold both the and OHMS SELECT keys located on the panel 4 Power up the Analyzer and then release both keys when the double beep 1s heard 5 Setup the Analyzer to conduct the desired ESU measurement 6 Press and release the MODE SELECT key to transmit the data while a measurement is displayed 7 Data transfers in the format Watts XXXX I YYYY Load ZZZ 8 To exit Simplex Mode power down the Analyzer Setting Up and Op
44. sic CQM Check 3 9 RF303 Operators Manual HF Leakage Current Test 1 The HF leakage current test number one is an IEC isolated output bipolar CF type leakage current test It shows you the amount of open circuit high frequency current leakage from a single isolated electrode to earth ground through a 200 ohm resistive test load See Figure 3 3 for a diagram of this test at the end of this section Note This high frequency leakage current test is intended only for isolated output electrosurgical units If you test the active electrode of an earth referenced Type BF ESU in the manner described in this section you will be measuring the full output of the generator not a high frequency leakage current While conducting this test inappropriately will not damage the Analyzer the resulting high frequency leakage current measurement will not be valid for an earth ground referenced ESU Test Procedures The procedures involved with this test include e connecting the ESU electrode you want to test to the Analyzer e selecting a 200 ohm test load resistance e measuring the ESU s HF leakage current e ending the test To connect the ESU electrode to the Analyzer 1 Ifyou are testing the ESU s active or single bipolar electrode connect the electrode to the yellow jack active using one of the test leads from the set Part 1903307 or If you are testing the ESU s neutral dispersive electrode connect that electrode to the yellow jac
45. snnnnesnnnnnnnsnnnnnnennnnennnnnnnensnneneennnnnn Appendix A Load Issues Load Issues The load resistors typically used in ESU analyzers are not ideal they have some reactive components that are frequency dependent The RF303 Analyzer derives applied power by measuring the voltage across the set load and calculating the power V2 R Most other ESU analyzers on the market derive the applied power by measuring the current flowing through a set load and calculating the power I2 R At fundamental frequencies below 500 kHz and regardless of the load setting the two methods of measurement are comparable Above 500 kHz and at the extremes of the loads the readings displayed by the two methods differ on opposite sides of the expected value As an example when testing the Conmed Excalibur Electrosurgical Unit in the monopolar output with the Analyzer load set to 50 ohms the set value on the Conmed correlates with the displayed value on the Analyzer When in the bipolar mode the Analyzer displays higher than expected values up to 35 higher The same test performed on some current measuring analyzers produces lower than expected values This discrepancy is caused by the difference in fundamental frequencies between the monopolar and bipolar modes The Conmed operates at 500 kHz in monopolar mode and 1 MHz in bipolar mode When comparing readings measured with a V2 R device to those measured with an I2 R device the total measurement differe
46. ttery Status Lamp 10 Scope Output BNC connector 11 Measuring Resistance HF Meter All measurements made through these inputs 12 Earth Connections Provides earth reference for HF Leakage tests 13 HF Load Resistance eee ee test load for earth ground referenced Type BF Tests 2 and 3 i Ground Battery Ground Signal Earth Ground Earth Ground Power Power Cord Inlet Inlet 16 Fuse Cover Both A mains fuses are located behind this panel Power Power On Off Switch Switch Ventilation Air Outlet Ventilation Air Inlet RS232 Port 1 8 Introduction and Specifications 1 Instrument Specifications Instrument Specifications Modes of Operation Line Powered Battery Charge and Maintenance Charge Battery Operation Offline Battery Charge and Maintenance Charge Displayed Parameters Power Watts HF Current milliamperes Test Load ohms Test Performed Generator Output AAA nen en Performs HF leakage tests to IEC 601 2 2 1289 2 ANSI AAMI standards Type BF Test 1 Earth referenced monopolar output Type CF Bipolar Isolated monopolar or bipolar output Measurement Technique civic end Precision high voltage capacitive attenuator samples applied ESU signal This directly measured HF voltage and the selected test load resistance value utilized to derive the true rms values of both current and wattage readings HF Power watts ReSOIUTON ici 1 to 400 W Resolution 0 1 W 400 W rms ACCUIACY iia 5 o
47. ure the Analyzer to conduct a specific ESU test Safe connection to the Analyzer is facilitated by shrouded safety plugs 2 7 RF303 Operators Manual A A Warning To avoid possible electric shock burning of the skin or personal injury follow these guidelines Retractable end of test leads are for use on ESU only No probes or accessories supplied with the Analyzer are intended for handheld use Set up using the safety test leads and stand clear when activating the ESU with the footswitch The following is a description of the supplied test leads Test Lead Set with Retractable Shrouds Part 1903307 Color One red and one black Quantity Two set One end of each test lead has a fixed shroud 4mm banana plug to connect with the Analyzer The other end has a retractable shroud 4mm banana plug compatible with the active electrode bipolar jacks on most ESU panels A red safety alligator clip is included for direct connection to an actual active electrode element if preferred A removable black clamp facilitates firm attachment to a ground reference point This lead is important for making leakage measurements in the battery mode of operation ESU Dispersive Safety Lead Part 2772171 Color Clear with blue connectors Quantity One One end of the test lead has a single fixed shroud 4mm banana plug to connect with the Analyzer The other end has a CQM style two pin connector that plugs directly into the neutral or dispersive
48. ycle which is 30 seconds ON during any continuous one minute period 3 6 Operation Testing the ESU ESU ESU Active Dispersive ESU Dispersive exz06 eps Figure 3 1 Generator Output Test Basic Contact Quality Monitor CQM Test This test of the contact quality monitor uses the Analyzer s test load to simulate a patient s skin resistance in contact with the dual element neutral dispersive electrode pad Note Perform this test on electrosurgical units without energizing the generator output Do not connect the ESU active electrode to the Analyzer during this test The CQM REM test is intended for the neutral dispersive electrode of monopolar ESUs equipped with a contact quality monitor The neutral dispersive electrode is actually two separate pads attached to the patient s skin The CQM REM circuit issues an alarm only if the patient loses contact with one or both of the two pads See Figure 3 2 for a diagram at the end of this section 3 7 RF303 Operators Manual Test Procedures The procedures involved with this test include e connecting the ESU neutral dispersive electrode to the Analyzer e selecting a 50 ohm test load resistance e increasing load resistance on the Analyzer to observe the ESU s visual or audio alarm To connect the ESU s neutral dispersive electrode to the Analyzer 1 Connect one of the two color coded banana plugs test lead Part 2772180 to
Download Pdf Manuals
Related Search