232D Electrical Safety Analyzer
Contents
1. Warranty 1 2 2 Preparing for Use 2 2 3 OPERATING INSTRUCTIONS Instrument Familiarity 2 1 iii 2310 2320 OPERATING MANUAL Top Panel Controls Displays and 2 1 Rear Panel Connectors and Controls cree e ener rennen enn 3 4 Testing Procedures ecce eene nene 375 Start Up and lt 3 6 System Voltage secercsscssscesscesssscsscsscesssccnssencscccosscanssascnenscensecensceaonesacencess 2 7 Grounded Power 5 lt 4 2 7 Case Leakage External 1 3 9 Case Leakage2. NEVADA Operating Manual Copyright Fluke Corporation Service and Repair Fluke Biomedical Please call for RMA number before shipping 6920 Seaway Blvd 1420 75 Street SW Everett WA 98203 Everett WA 98203 Sales amp Customer Service 888 99FLUKE 888 993 5853 e 425 446 5560 775 883 3400 800 648 7952 http www flukebiomedical com e sales flukebiomedical com 4 N DNI NEVADA 231D 232D OPERATING MANUAL EX E CE To order this manual use Part Number 9508 0173 Revision Description Date F Correction to specifications 3 97 G Corrections 11 97 H Test Procedure Revisions 10 00 I Updating Contact Information 11 02 Copyright DNI Nevada a division of Fluke Biomedical Corporation 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 DNI Nevada Standard Terms and Conditions Refunds amp Credits Please note that only serialized products products labeled with a distinct serial number and accessories are eligible for partial refund and or credit Nonserialized parts and accessory items cables carrying cases auxiliary modules etc are not eligible for return or refund In order to receive a partial refund credit of a product purchase price on a serialized product the product must not have been damaged b
3. The Model 232D conducts these added tests Q Leakage current tests referenced to power ground on all patient electrodes onindividual patient electrodes RL RA LA LL and the V1 6 set and between specified patient electrode pairs right arm and left arm RA LA right arm and right leg RA RL and left arm and right leg Isolation of all patient electrodes from ground with 120 VAC applied by the analyzer The current limited test voltage is applied to the patient electrodes only when a front panel push button is depressed and held by the operator wide range of ECG simulations and performance testing waveforms System Familiarization Page 1 3 2310 2320 OPERATING MANUAL Specifications Meter Measurements displayed on a 3 digit LED display Overrange indicated by a flashing 1999 The appropriate range selected automatically with the units of measure shown on the mode switch During resistance measurements a separate LED illuminates when the current source has been activated Current Refer to the AAMI Load section later in this chapter for measurement accuracies Equipment Current One range 0 1 to 15 0 amps Accuracy 5 of range Resistance Refer to the AAMI Load section later in this chapter for measurement accuracies Voltage Three voltage ranges 0 0 to 199 9 mV 0 to 1999 mV 0 0 to 199 9 V AAMI Load used for these measurements Mi
4. See Supplement 231D 232D OPERATING MANUAL System Voltage The system voltages from either a grounded or an isolated power outlet can be easily measured without using external test leads Grounded Power Systems For a grounded power outlet the neutral conductor is referred to as the line one L1 and the hot conductor is referred to as the line two L2 With a properly wired 120 VAC grounded power outlet the following values should be read 1 With the MODE switch in the L1 L2 position the display reads the hot to neutral or line voltage 2 With the MODE switch in the L1 GND position the display reads the neutral to ground voltage which should be no more than 6 VAC or 5 of the previously measured line voltage 3 With the MODE switch in the L2 GND position the display reads the hot to ground voltage which should be approximately equal to the previously measured line voltage If the power outlet is wired backward reverse polarity line voltage L1 L2 reads the same However L1 GND and L2 GND readings are reversed If ground GND wire is open both the L1 GND and L2 GND read low and of equal value CAUTION If the correct System Voltage readings are not measured do not continue Stop and immediately repair or report this problem Otherwise the operator is in danger of receiving an electrical shock Isolated Power Systems When testing balanced line isolation power systems the line voltage L1 L2 measurement re
5. 231D and 232D Safety Analyzers SAFETY CONSIDERATIONS General This instrument and related documentation must be reviewed for familiarization with safety markings and instructions before you operate the instrument Refer to the 231D 232D Operating Manual for operating instructions Safety Symbols The symbol to the left is the Operating Manual symbol When you see this symbol on the instrument refer to the Operating Manual WARNING Denotes a hazard WARNING calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in personal injury Do not proceed beyond a WARNING sign until the indicated conditions are fully understood and met CAUTION Denotes a hazard CAUTION calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in damage to or destruction of part or all of the instrument Do not proceed beyond a CAUTION sign until the indicated conditions are fully understood and met System Familiarization Page 1 1 2310 2320 OPERATING MANUAL introduction The DNI Models 231D and 232D Safety Analyzers are precision voltage current and resistance meters designed expressly for testing the electrical safety level of both the patient environment and associated electrically operated equipment Both electrical safety analyzers measure Q grounding resistance of the equipment power cord Q leakage current from
6. Ground 2 10 External Meter A MV eee eee rne rene nnn nnn 3 11 Equipment 3 11 External Meter 5 2 12 j 3 12 ECG Tests 2320 only 3 13 Leakage to Ground 2320 only 3 13 Interlead Leakage 2320 only 1 cerne eene renun nnn nunt 3 14 Isolation Test 2320 only eee e ee rene nnne nnn enne 3 14 3 15 Performance Waveforms 2320 only Power Dowmn 8 13 4 PERFORMANCE TEST Required Eguipment sennnannnnnnnanannnananasnaannnnnannannnnnanananannnanasannannnasansnanaaa 4 1 Test ProCedellSsncssecsasscssccsssescescsencsesnsesnscsnssenesssesesevassnecccasavevenssscsozevocesasessccs 6 22 2310 2320 OPERATING M
7. Load Test 1 1 5 Ground Fault Interrupter sannnasnnnanananasnnanunanasanannnanannannnansanasnas anna saan 1 6 Test Lead s 1 6 ECG Leads Binding Posts 1 6 Power Requirements 1 e eene een 1 6 Physical ss 1 7 Temperature Range 1 7 Accessories H T Standard eee o osos aso na san enosossnssssssaaesssososassssaseonsonssnnsssssssanansensss 1 7 4 7 2 INSTALLATION Unpacking and Inspection sccsssccsssessssssessennsenssenessnssnsessenesscensnesssnessenenens 2 1
8. SELF TEST The display should read 1000 20 and the CURRENT SOURCE ACTIVE LED should illuminate Set the MODE switch to L1 L2 Monitor the line voltage The display should read the line voltage 2 V Press DC ONLY The display should go to 0 or 1 Set the MODE switch to L1 GND The display should read lt 5 of the measured value for 11 12 Set the MODE switch to L2 GND The display should read 0 5 of the measured value of L1 L2 Set the MODE switch to POWER CORD RESISTANCE The display should be flashing 1999 Connect a Kelvin cable to the red EXT and red CUR jacks Connect the other end of the Kelvin cable to the GND pin of the TEST RECEPTACLE The display should read 002 Set the MODE switch to CASE LEAKAGE uA EXT LEAD Connect 1000 DC current source between the TEST RECEPTACLE GND pin and the Kelvin cable The display should read 1000 20 uA 10 Set the MODE switch to CASE LEAKAGE GROUND CONDUCTOR Performance Test E Page 4 2 Connect a 1000 uA DC current source between the TEST RECEPTACLE GND pin and chassis ground front panel screw Set the OPEN GROUND switch to OPEN The display should read 1000 20 uA 2310 2320 OPERATING MANUAL 11 Set the MODE switch to EXTERNAL METER pA mV Measure the resistance between the EXT METER jacks The resistance should be between 995 and 1005 12 Connect a 1000 mV 60 Hz sine wave decoupled through a 100 nonpolarized capacitor t
9. fail do not continue Stop immediately and fix the problem before continuing Otherwise the operator is in danger of receiving a lethal electrical shock Since the integrity of the grounding conductor can be violated during testing do not touch the equipment under test EUT during testing Operating Instructions E Page 3 5 2310 2320 OPERATING MANUAL Start Up and Self Test Before plugging in the analyzer or turning the power on ensure that no equipment is plugged into the TEST RECEPTACLE and that the POLARITY switch is set to OFF the center position Before using the analyzer to test any other equipment we recommend that you do the following self test 1 Plug the analyzer into the wall socket 2 Turn the power ON 3 Set the MODE switch to SELF TEST The display should read 1000 20 and the CURRENT SOURCE ACTIVE lamp should be illuminating If this is not the case the instrument is not functioning properly and it should be repaired before using The self test is not intended to be a complete checkout of the instrument but rather a quick method of determining if it is operational To do a complete performance check see the Performance Test chapter for instructions CAUTION If any System Voltage or Power Cord Resistance tests fail do not continue Stop immediately and fix the problem before continuing Otherwise the operator is in danger of receiving a lethal electrical shock Operating Instructions E Page 3 6
10. ANUAL TEST REC CD GROUND Ape SWITCH E ECG POSTS MODEL 232 Figure 3 2 Power Cord Resistance and Case Leakage External Lead CURRENT TEST REC OPEN o EA SWITCH L SWITCH eee ECG POSTS MODEL 232 Figure 3 3 Case Leakage Ground Conductor Operating Instructions Page 3 16 231D 232D OPERATING MANUAL CURRENT TEST REC OPEN GROUND gera ECG POSTS MODEL 232 Figure 3 4 External Meter Connections for mV and TEST REC MODEL 232 Figure 3 5 ECG Lead Test Connections Operating Instructions E Page 3 17 231D 232D OPERATING MANUAL Performance Test The performance test in this chapter checks the operation of the 232D Safety Analyzer This performance check is usually performed upon the initial receipt of the instrument Required Equipment Digital Multimeter DMM 4 2 digits DC Current Source 1000 10 pA Sine Wave Generator 60 Hz to 1 MHz 10 mV to 1000 mV RMS 10 12A 60 Hz Load portable electric heater 15 A 60 Hz Current Meter 1 accuracy Power Receptacle Tester Woodhead Model 755P or equivalent Resistors 9 31 2 W 1 0 13 0 2 W 1 0 0 1 Q 0 1 Performance Test B 4 1 2310 2320 OPERATING MANUAL Test Procedure 1 Connect the instrument to an appropriate power source and turn it on Set MODE switch to
11. ANUAL illustrations 3 OPERATING INSTRUCTIONS Figure 3 1 2320 Top and Rear Panel 3 2 Figure 3 2 Power Cord Resistance and Case Leakage External Lead 3 16 Figure 3 2 Case Leakage Ground 16 Figure 3 4 External Meter Connections for pA mV and 3 17 Figure 3 5 ECG Lead Test Connections enses 3 17 2310 2320 OPERATING MANUAL Abbreviations ANSI A AAMI BPM dB F DMM EEPROM ECG EUT Hz PROM TRMS vi NOTE This column is alphabetized American National Standards Institute ampere Association for the Advancement of Medical Instrumentation beats per minute decibel degrees Celsius centigrade degrees Fahrenheit digital multimeter electrically erasable PROM electrocardiograph or electrocardiogram equipment under test hertz inch kilo 105 kilohertz kilohm light emitting diode liquid crystal display meg a 109 megahertz megohm meter micro 10 6 microampere microvolt milli 105 milliampere millivolt ohm pound programmable read only memory second true root mean square volt watts 2310 2320 OPERATING MANUAL vii 231D 232D OPERATING MANUAL Ch apter System Familiarization Read this chapter to acquaint yourself with the specifications and features of
12. Note During isolation test select only the properly wired test receptacle condition normal POLARITY and closed GROUND Additionally place the electrocardiograph patient cable at least 20 cm from any grounded conductive surfaces Reference ANSI AAMI ES1 1993 4 4 Operating instructions M Page 3 14 2310 2320 OPERATING MANUAL Performance Waveforms 232D only To select a performance waveform to be applied to the ECG LEADS 1 Set the LEADS selector switch to the ECG PERFORMANCE SWITCH ENABLE position 2 The ECG PERFORMANCE SWITCH ENABLE switch now selects any of the waveforms listed below All amplitudes are for Lead I SQUARE WAVE 0 125 Hz at 1 mV To check low end 3db cutoff frequency of the ECG monitor SQUARE WAVE 2 Hz at 1 mV To check amplitude accuracy and damping of the ECG monitor SINE WAVEs 10 40 60 100 Hz at 1 mV To check frequency response of monitor and to check line frequency rejection TRIANGLE WAVE 2 Hz at 3 mV To check linearity of monitor ECG waves 30 60 120 180 240 BPM at 1 mV To check monitor ECG rate indicator and rate alarm limits Power Down After completing the tests 1 Set the POLARITY switch to OFF 2 Turn the 231D 232D POWER OFF 3 Disconnect equipment under test from the TEST RECEPTACLE 4 Unplug the 231D 232D We recommend that the instrument be stored in the storage case provided Operating Instructions E Page 3 15 2310 2320 OPERATING M
13. TING MANUAL Case Leakage Ground Conductor See Figure 3 3 Case Leakage Ground Conductor To measure case leakage through the ground wire 1 Set the MODE switch to CASE LEAKAGE pA GROUND CONDUCTOR 2 Without using any test leads leakage through the ground wire of the power cord can be measured with the TEST RECEPTACLE GROUND switch OPEN This test configuration facilitates the measurement of leakage current for double insulated devices utilizing a three conductor power plug 3 Ifa ground fault is detected when the POLARITY switch is placed in either the NORMAL or REVERSE position the TEST RECEPTACLE is automatically shut off again To reset it return the POLARITY switch to OFF RESET then back on again CAUTION If the instrument fails this test stop and repair it Continuing to use it may result in the operator receiving a lethal electrical shock Operating Instructions Page 3 10 2310 2320 OPERATING MANUAL External Meter A mV See Figure 3 4 External Meter Connections for mV and m42 To measure a current of up to 2000 HA or a voltage up to 2000 mV 1 Set the MODE switch to EXT METER uA mV 2 Connect one Kelvin cable to the two red jacks and the other Kelvin cable to the two black jacks If you are using single test leads connect one single lead to the red EXTERNAL jack and the other single lead to the black EXTERNAL jack 3 current of up to 2000 uA or a voltage up to 2000 mV can now be meas
14. although it is limited to 1 mA it is potentially lethal Patient Safety Precaution Since the test method injects potentially hazardous current levels into the electrocardiograph and the related power system do not conduct tests in an occupied patient location or while the patient is connected to a related power system branch circuit Reference ANSI AMII ES1 1993 ECG PERFORMANCE Switch Model 232D only Selects the ECG Performance Waveform to be applied to the ECG LEADS The MODE switch must be in the ECG position and the LEADS switch must be in the ECG PERFORMANCE SWITCH ENABLE position to enable this mode ECG PERFORMANCE Indicator Lamp Model 232D only In the ECG PERFORMANCE waveform mode this lights up and the display blanks GROUND FAULT INTERRUPT Lamp Lights up after a ground fault has been detected TEST RECEPTACLE Power receptacle for the equipment under test ECG LEADS Binding Posts Mode 232D only Accept all styles of electrocardiograph connectors disposable snaps 3 2 mm pins and 4 0 mm pins Operating Instructions M Page 3 3 2310 2320 OPERATING MANUAL Rear Panel Connectors and Controls 15 POWER ON OFF Switch Turns on the power 16 POWER CORD Plug Power cord plugs in here Remove the power cord when storing instrument in the supplied carrying case 17 FUSE Holder 15 amp 3AG slow blow fuse protects the instrument and the equipment under test 18 External Probe Connec
15. cle adds to the reading lt 2 mQ CAUTION Operating Instructions Page If the Power Cord Resistance test fails do not continue Stop immediately and fix the problem before continuing Otherwise the operator is in danger of receiving a lethal electrical shock Exception Devices with double power circuit insulation and a three prong power plug with ground pin connected to the electrostatic shield i e Cambridge VSIV electrocardiograph 3 8 2310 2320 OPERATING MANUAL Case Leakage External Lead See Figure 3 2 Power Cord Resistance and Case Leakage External Lead To make case leakage measurements 1 Set the MODE switch to CASE LEAKAGE pA EXT LEAD 2 Connect a Kelvin cable to the red rear panel jacks 3 Connect the other end of the cable to the case of the equipment under test 4 Case leakage measurements can now be made for various line conditions power on power off normal polarity reverse polarity closed or open ground closed or open neutral 5 Ifa ground fault is detected when the POLARITY switch is placed in either the NORMAL or REVERSE position the TEST RECEPTACLE is automatically shut off again To reset it return the POLARITY switch to OFF RESET then back on again CAUTION If the instrument fails this test stop and repair it Continuing to use it may result in the operator receiving a lethal electrical shock Operating Instructions M Page 3 9 2310 2320 OPERA
16. d banana jacks Two for the METER input and two for the CURRENT SOURCE Arranged to allow a set of Kelvin cables to be connected to the four terminals and left in for all tests without damaging the analyzer The CURRENT SOURCE connected only internally for resistance measurements so that it will not interfere with leakage measurements even though the cables are connected to the CURRENT SOURCE jacks All protected against accidental application of line voltage ECG Leads Binding Posts Ten universal binding posts Accept 3 2 mm or 4 mm pins or disposable snap electrocardiograph electrodes Power Requirements 117 VAC at 15 amps 50 to 60 Hz Detachable hospital grade power cord supplied Uses very little power by itself 100 mA 15 amp rating for equipment under test plugged into the test receptacle System Familiarization 8 Page 1 6 2310 2320 OPERATING MANUAL Physical Characteristics Size 229 cm L x 22 9 cm W x 10 2 H 9 in L x 9 in W 4 H Weight 2 07 kg 4 5 Ib Temperature Range Operating 15 to 35 C 59 to 95 F Storage 0 to 50 32 to 122 F Accessories Standard DNI Part e Soft vinyl carrying case 9530 0044 Power cord 3010 0012 Kelvin cable test leads 2 9501 0032 Ground pin adapter 2 9503 0004 e 2310 2320 Operating Manual 9508 0173 Note The supplied power cord is 14 gauge wire rated at 15 amps Do not use a smaller size Optional e 231D 232D Servic
17. e LEADS switch to the INTERLEAD position of RA LA Connect the DC current source to the RA and LA binding posts The display should read 1000 20 With the DC current source still connected to the RA and LA posts ensure that the display reads less than 5 0 in the RA RL and LA RL switch positions Repeat this test with the DC current source connected to the other two INTERLEAD selections of RA RL and LA RL Ensure that the readings are less than 5 0 UA in the other two untested INTERLEAD switch positions 24 CAUTION Line voltage is applied to the ECG posts when ISO TEST is depressed Be sure nothing is connected to the ECG POSTS Set LEADS switch to ISOLATION TEST Press ISO TEST The display should read lt 2 uA 25 Connect any ECG post to ground with ISO TEST depressed The display should read 1000 100 26 Set the LEADS switch to ECG PERFORMANCE TEST ENABLE The ECG PERFORMANCE Indicator Lamp should light up and the display should blank Performance Test Page 4 4 27 28 29 2310 2320 OPERATING MANUAL Connect the ECG LEADS Binding Posts to an electrocardiograph and check all waveforms Connect a Power Receptacle Tester to the TEST RECEPTACLE and check for proper operation of the OPEN NEUTRAL OPEN GROUND and POLARITY switches Set the MODE switch to EQUIPMENT CURRENT Connect the 10 A 60 Hz load to the TEST RECEPTACLE Monitor the current with the 15 A current meter Set the POLARITY s
18. e Manual 9508 0271 System Familiarization Page 1 7 2310 2320 OPERATING MANUAL installation This chapter contains information for inspecting the instrument processing a claim repackaging for shipment and preparing for use Unpacking and Inspection ollow 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 careful not to damage the instrument when unpacking it Inspect the instrument for physical damage such as bent or broken parts dents or scratches Claims Our routine method of shipment is via common carrier FOB origin Upon delivery if physical damage is found retain all packing materials in their original condition and contact the carrier immediately 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 contact DNI Nevada or your local sales representative Installation 8 Page 2 1 2310 2320 OPERATING MANUAL Installation Page 2 2 Warranty Repair The warranty statement for this product is at the front of this manual When shipping an instrument to DNI Nevada for repair complete the Service Return Form and attach to the instrument Com
19. gy NIST Devices for which there are no NIST calibration standards are measured against in house performance standards using accepted test procedures Warranty Warranty and Product Support This instrument is warranted by DNI Nevada against defects in materials and workmanship 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 DNI Nevada This warranty does not apply if the product has been damaged by accident or misuse or as the result of service or modification by other than DNI Nevada IN NO EVENT SHALL DNI NEVADA BE LIABLE FOR CONSEQUENTIAL DAMAGES Only serialized products and their accessory items those items bearing 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 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 DNI Nevada s specifications When you return an instrument to DNI Nevada for setvice repair or calibration we recommend using United Parcel Service Federal Express or Air Parcel Post We also recommend that
20. h to ECG 2 Connect the equipment under test to the TEST RECEPTACLE 3 Connect the ECG leads to the ECG LEADS posts The leakage tests that follow can be made for normal reverse polarity closed open ground e closed open neutral Leakage to Ground 232D only See Figure 3 5 ECG Lead Test Connections To measure the leakage of all leads to ground 4 Set the LEADS selector switch to ALL 2 The next five LEADS switch positions RL RA LA LL and V1 6 measure the leakage of individual leads to ground 3 Patient lead leakage measurements can be made for power on off normal reverse polarity e closed open ground e closed open neutral Operating Instructions M Page 3 13 2310 2320 OPERATING MANUAL Interlead Leakage 232D only See Figure 3 5 ECG Lead Test Connections To measure leakage between the specified leads 1 Set the LEADS INTERLEAD selector switch to positions RA LA RA RL and LA RL 2 Patient interlead leakage measurements can be made for normal reverse polarity closed open ground e closed open neutral power on off Isolation Test 232D only See Figure 3 5 ECG Lead Test Connections CAUTION This test applies line voltage to the ECG posts The current is internally limited to 1 mA To measure the leakage that would result if line voltage were to be applied to the ECG terminals 1 Set the LEADS selector switch to ISO TEST 2 Press the ISO TEST button
21. llivolt mV ranges autoranging Voltage V ranges used for line voltage measurements of the test receptacle powering the analyzer e Millivolt mV ranges usable for external meter jack measurements System Familiarization Page 1 4 2310 2320 OPERATING MANUAL AAMI Load Simulated patient load recommended by the Association for the Advancement of Medical Instrumentation AAMT Safe Current Limits Standard ANSI AAMI ES1 1993 revision of the earlier ANSI AAMI ES1 1985 and SCL 12 78 AAMI Load drawing 0 015 uF LEAKAGE OUTPUT CURRENT TO METER INPUT CIRCUIT Full Scale Ranges Low 0 1 to 199 9 HA mV High 200 to 1999 LA mV Frequency Response ANSI AAMI ES1 1993 Accuracy 5 or reading 1 HA DC and from 48 Hz to 100 kHz Test Load Impedance 1000 ohms 0 5 DC ANSI AAMI ES1 1993 Test Receptacle e Supplies power to the equipment under test e 120 VAC at 15 amps maximum Push button switches on front panel select NEUTRAL OPEN and CLOSED GROUND OPEN and CLOSED POLARITY NORMAL REVERSE and OFF RESET System Familiarization Page 1 5 2310 2320 OPERATING MANUAL Ground Fault Interrupter Detects a TEST RECEPTACLE ground fault of gt 10 mA 10 Disconnects the hot and neutral lines to the TEST RECEPTACLE when a fault is detected e Resets by setting the POLARITY switch to the OFF RESET center position Test Lead Jacks Four standar
22. mains the same as above However the L1 GND and L2 GND measurements read low and of equal value Note To properly measure leakage current use a grounded power outlet for the voltage source Reference ANSI AAMI ES1 1993 Operating Instructions Page 3 7 2310 2320 OPERATIN MANUAL Power Cord Resistance See Figure 3 2 Power Cord Resistance and Case Leakage To test power cord resistance 1 Set the MODE switch to POWER CORD RESISTANCE Set the TEST RECEPTACLE POLARITY switch to the OFF center position Plug the equipment under test into the TEST RECEPTACLE located on the top of the Model 232D Connect the dual banana plug end of a Kelvin cable to the two red rear panel jacks Connect the alligator end of the Kelvin cable to a grounded point on the case of the equipment under test The CURRENT SOURCE ACTIVE lamp lights up to indicate that the connection is made The display reads the resistance in mOHMs from the case to the power receptacle of the equipment under test This is a four terminal resistance measurement The Kelvin cable connects one end of the current source and the positive input of the measuring circuit through separate wires Thus the voltage drop in the test leads does not affect the meter reading The same scheme is used inside the Model 232D at the receptacle ground pin so the resistance of the wiring in the instrument does not affect the reading The resistance of the test recepta
23. o the EXT METER jacks Decouple the red jack the black jack should be ground The display should read 1000 20 mV The AAMI load will cause 2 4 error if the sine wave generator has a 50 0 output resistance and is terminated in 50 Q 13 Switch the sine wave to 100 mV The meter should read 100 0 2 0 mV 14 Switch to 10 mV The reading should be 10 0 2 0 mV 15 Set the signal generator to 1000 mV at 1000 Hz The display should read 724 20 mV 16 Set the signal generator to 1000 mV at 10 kHz The display should read 105 0 4 0 mV 17 Set the signal generator to 1000 mV at 100 kHz The display should read 14 4 4 0 mV 18 Set the MODE switch to EXT METER mOHM Connect two Kelvin cables to the EXT METER and CURRENT jacks The display should be flashing 1999 19 Short the cables together Move them around to get the minimum reading on the display The meter should read 004 20 Connect the 0 1 resistor to the cables The proper reading should be 0 1 002 Performance Test E Page 4 3 2310 2320 OPERATING MANUAL 21 Set the MODE switch to ECG Set the LEADS switch to ALL Connect 1000 uA DC current source between ECG post and the TEST RECEPTACLE GND pin The display should read 1000 20 Check all ECG posts 22 Set the LEADS switch to RL Connect the DC current source to the RL binding post The display should read 1000 20 Repeat for RA LA LL and V1 binding posts 23 Set th
24. ould break this seal only after you have received factory authorization Do not break the Quality Seal before you have contacted us Following these steps will help ensure that you will retain the original warranty on your instrument without interruption WARNING Unauthorized user modifications or application beyond the published specifications may result in electrical shock hazards or improper operation DNI Nevada will not be responsible for any injuries sustained due to unauthorized equipment modifications ii 2310 2320 OPERATING MANUAL Table of Contents 1 SYSTEM FAMILIARIZATION Safety Considerations eene e eere n eene nennen nnn nhu an nau nuno nas ssnu sss ssnssossssssss 1 1 General Safety Symbols Introduction eere e erronee nenne asssssssssasssasas 1 2 Specifications 1 4 A M 7 M Equipment Current sesensesssnssasssesess Resistance nesssssassesssasssosos 1 4 1 4 AAMI
25. pleting this form will help to ensure timely repair of your instrument 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 instrument surfaces Use nonabrasive material around all projecting parts Use at least four inches of tightly packed industrial approved shock absorbent material around the instrument Preparing for Use The Models 231D 232D are portable instruments designed for use on three wire 115V 50 60 Hz power No cables or wires other than those supplied need be used No cables need to be fabricated Note To do a performance check on the instrument follow the procedure outlined in the Performance Check chapter of this manual 2310 2320 OPERATING MANUAL hapter Operating Instructions Use this chapter to learn about operating the 231D 232D Safety Analyzers instrument Familiarity In this section you will find the names and descriptions of the controls displays and connectors on the top and rear panels of the 231D and 232D Safety Analyzers The numbers in the list refer to the locations illustrated in Figure 3 1 Top Panel Controls Displays and Connectors 1 Display A 3 2 digit LED display that indicates the results of the measurement being made Decimal points are placed au
26. the equipment s chassis or ground wire Q equipment load current Q voltage gradient mV and intergrounding resistance mOhms using the external meter function and Q power system AC voltages neutral to hot neutral to ground and hot to ground test receptacle mounted on the top panel of both meters is used to simulate a wide range of power system fault conditions to assist the operator in assessing the equipment s level of safety Push button switches on the front panel select neutral open and closed ground open and closed and polarity normal and reverse An internal ground fault circuit interrupter GFCI protects both the operator and the equipment under test If a hot line to ground fault condition exceeding 10 milliamperes occurs line voltage is immediately removed from the test receptacle For conducting more extensive power system tests both electrical safety analyzers are compatible with the DNI Model 202A Isolated Power and GFCI Test Module Contact your DNI Nevada representative for details System Familiarization 8 Page 1 2 231D 232D OPERATING MANUAL The Model 232D additionally simplifies the electrical safety testing of more sophisticated electrically operated equipment with up to 10 direct patient electrodes such as a diagnostic 12 lead electrocardiograph or recorder The test receptacle wiring can be set to simulate a wide range of power system faults as listed earlier
27. tions CURRENT SOURCE The current source for measuring resistance is internally connected to these jacks when the MODE switch is in the mOHM measuring position EXTERNAL METER The metering circuit is internally connected to these jacks when the MODE switch is in any position requiring external connections Both Kelvin cables can be left connected for all measurements because the MODE switch only connects the CURRENT SOURCE to the rear panel jacks in the resistance measuring positions Only one Kelvin cable is needed for external lead leakage and power cord resistance measurements Operating Instructions E Page 3 4 231D 232D OPERATING MANUAL Testing Procedures This section describes the types of electrical safety and ECG performance tests that can be performed using the Models 231D 232D While these analyzers perform a wide range of tests on both general and critical medical devices refer to the particular equipment under test EUT service manual for the required checkout procedure and testing protocol WARNING The ground fault interrupter protects the equipment under test from damage in the event of a ground fault of greater than 10 mA Under most conditions this protects the operator from electrical shocks But a current of less than 10 mA can be fatal The operator is advised to use the same precautions as if there were no ground fault protection CAUTION If any System Voltage or Power Cord Resistance tests
28. tomatically The units of measure are shown on the MODE switch MODE Switch Sets the type of measurement to be made Model 232D only The ECG position enables the LEADS selector switch DC ONLY Switch Changes the measurement mode from AC DC to DC only CURRENT SOURCE ACTIVE Lamp Lights up in resistance tests indicating when the current source is connected properly POLARITY Switch A three position switch Selects NORMAL or REVERSE polarity of the hot and neutral lines to the TEST RECEPTACLE In the center position shuts power OFF to the TEST RECEPTACLE and RESETS the ground fault circuit GROUND OPEN Switch Momentarily OPENs the ground connection to the TEST RECEPTACLE Operating Instructions E Page 3 1 2310 2320 OPERATING MANUAL Bes TESTRECEPTACLE POWER CORD F EQUIPMENT CURRENT SYSTE VOLTAGE SINE WAVE TRIANGLE WAVE E W Figure 3 1 232D Top and Rear Panel Locator Operating Instructions Page 3 2 2310 2320 OPERATING MANUAL 7 NEUTRAL OPEN Switch Momentarily OPENs the neutral line to the 10 11 12 13 14 TEST RECEPTACLE LEADS Selector Switch Model 232D only Selects the ECG lead test to be made The MODE switch must be in the ECG position to activate these tests ISO TEST Model 232D only Connects the ECG isolation voltage to the ECG LEADS CAUTION This voltage is 117 VAC and
29. ured between the cables The AAMI Load is connected which may load down voltage measurements where the impedance of the voltage source is high Equipment Current To measure the operating current of the equipment under test 1 Set the MODE switch to EQUIPMENT CURRENT 2 Set TEST RECEPTACLE switch to NORMAL POLARITY Operating Instructions Page 3 11 2310 2320 OPERATING MANUAL External Meter mOHMs See Figure 3 4 External Meter Connections for mV and m2 To measure low value resistances 1 Set the MODE switch to EXT METER mOHM In this mode the current source and measurement circuits are both connected to the rear panel jacks 2 Connect one Kelvin cable to the red jacks and the other Kelvin cable to the black jacks 3 Connect the resistance to be measured between the alligator clips Be sure the CURRENT SOURCE ACTIVE lamp lights up when the connections are made This is a four terminal technique used to accurately measure low value resistances i e less than 2 This is also the only measurement requiring two Kelvin cables DC Only To filter out the AC portion of the measured signal and get a separate reading of DC only rather than AC DC for volts and current Press the DC ONLY button Operating Instructions 8 Page 3 12 231D 232D OPERATING MANUAL ECG Tests 232D only Note The MODE switch must be in the ECG position for all ECG tests For all ECG tests 1 Set the MODE switc
30. witch to NORMAL The display should match the current meter within 5 Remove the test load Connect the 13 0 resistor from to GND of the TEST RECEPTACLE While not touching the resistor set the POLARITY switch to NORMAL The GROUND FAULT INTERRUPT Lamp should not be lighted Repeat with the 9 31 kQ resistor and the GROUND FAULT INTERRUPT Lamp should light up Performance Test E Page 4 5 Manual Supplement Manual Title 231D 232D Operating Supplement Issue 1 Part Number 2242845 Issue Date 10 06 Print Date Page Count 1 Revision Date 11 02 This supplement contains information necessary to ensure the accuracy of the above manual FLUKE 2006 Fluke Corporation All rights reserved Printed in U S A Biomedical 2310 2320 Operating Manual Supplement 1 On page 3 2 Figure 3 1 change the following Under TEST RECEPTACLE From L2 HOT To L1 HOT From L1 NEUT To L2 NEUT Under MODE selection SYSTEM VOLTAGE change the following From L2 GND L1 GND To L1 GND L2 GND On page 3 7 under Grounded Power Systems replace the first sentence with the following For a grounded power outlet the neutral conductor is referred to as the line two L2 and the hot conductor is referred to as the line one L1 Change steps 2 and 3 as follows 2 With the Mode switch in the L2 GND position 3 With the Mode switch in the L1 GND position 10 06 1
31. y the customer or by the common cartier chosen by the customer to return the goods and the product must be returned complete meaning all manuals cables accessories etc within 90 days of original purchase and in as new and resellable condition The Procedure must be followed to assure prompt refund credit Restocking Charges Only products returned within 90 days from the date of original purchase are eligible for refund credit 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 minimum restocking fee of 20 Additional charges for damage and or missing parts and accessories will be applied to all returns Products not returned within 90 days of purchase or products which are not in as new and resellable condition are not eligible for credit retum and will be returned t the customer Return Procedure Every product returned for refund credit must be accompanied by a Return Material Authorization RMA number to be obtained from our Order Processing Department All items being returned must be sent freight prepaid to our factory location Certification This instrument was thoroughly tested and inspected and found to meet DNI Nevada s manufacturing specifications when it was shipped from the factory Calibration measurements are traceable to the National Institute of Standards and Technolo
32. you insure your shipment for its actual replacement cost DNI Nevada will not be responsible for lost shipments or instruments that are received in damaged condition due to improper packaging or handling All warranty claim shipments must be made on a freight prepaid basis Also in order to expedite your claim please include a properly completed copy of the Service Return Form Recalibration of instruments which have a recommended semiannual calibration frequency is not covered under the warranty Warranty Disclaimer Should you elect to have your instrument serviced and or calibrated by someone other than DNI Nevada 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 DNI Nevada for factory service and calibration especially during the original warranty period In all cases breaking the tamper resistant Quality Seal should be avoided at all cost as this seal is the key to your original instrument warranty In the event that the seal must be broken to gain internal access to the instrument eg in the case of a customer installed firmware upgrade you must first contact DNI Nevada s technical support department at 775 883 3400 You will be required to provide us with the serial number for your instrument as well as a valid reason for breaking the Quality Seal You sh
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