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4-11

Current Measurement Dual Lead .........>    F7
Voltage Measurement Dual Lead .........>        F6
Resistance Measurement Dual Lead ......>    F5
           GO BACK            START

     F1       F2       F3       F4

Voltage :       V                           F7
                                                F6
Measure between E+ and E- inputs            F5
   START   GO BACK   PRINT   MAIN MENU

     F1       F2       F3       F4

4.7 Resistance Measure-

ment (Dual Lead)

Measuring protective earth on fixed installations.

1.

Press

MORE (F1)

in MAIN MENU.

2.

Press

Test Mode (F5)

and select

Manual

.

3.

Press

START (F4)

.

4.

Press

MORE (F1)

in MANUAL TEST SETUP.

5.

Press

MORE (F1)

three more times.

6.

Press

Resistance Measurement Dual Lead (F5)

.

7.

Press

START (F1)

.

Equipment Code :                    ...>    F7
Sequence Name  :                    ...>        F6
Class: CL1 ,0 leads in 0 modules.......>    F5
    MORE    MEMORY   SETUP    START

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Summary of Contents for QA-90

Page 1: ...QA 90 User Service Manual QA 90 Electrical Safety Analyzer P N 11025 V 3 13...

Page 2: ...ty Analyzer will substantially conform to published specifi cations and to the documentation provided that it is used for the purpose for which it was designed METRON will for a period of twelve 12 mo...

Page 3: ...3 7 Storing Setup Parame ters in Flash Memory 3 11 3 8 Upgrading the QA 90 Software Program 3 13 3 9 Cleaning the QA 90 3 15 4 EXAMPLE TEST MEASUREMENTS 4 1 4 1 Test Lead Calibration 4 1 4 2 Connectin...

Page 4: ...age Interface B 7 Measuring System Schematic Diagram Part 3 High Voltage Logic B 8 Measuring System Schematic Diagram Part 4 High Voltage Drivers B 9 Measuring System Schematic Diagram Part 5 Applied...

Page 5: ...authorized to process changes and revisions to publications make the pen changes or insert the revised pages ensure that obsolete pages are withdrawn and either disposed of immediately or marked as su...

Page 6: ...vi Symbols Used In This Manual Caution Refer to accompanying documents See NOTE Caution Risk of Electrical Shock see NOTE Earth ground TERMINAL...

Page 7: ...ore the information on disk and ex port formatted data to any other database or equipment management program Individual test sequences may be compiled to satisfy na tional and international standards...

Page 8: ...ulating Resistance The measurement of the insulating resistance may be executed between casing and power unit or between patient module and power unit Test voltage 500VDC through a 130 kOhm limiting r...

Page 9: ...3 1 0 10 0 mA Resolution 1 A Accuracy 1 of full scale 1 LSD 7 Frequency Response DC 1 MHz 3dB with a crest factor of 2 The applied test voltage for patient leakage current is 110 of the line vol tage...

Page 10: ...ting transformer 400VA P N 11401 Isolating transformer 800VA P N 11410 Test unit ESA P N 11402 E input measuring cable 2m P N 11411 E input measuring cable 5m P N 11415 Clamp crocodile type P N 11412...

Page 11: ...re placement The customer will not have to wait for a claim to be investigated by the supplier The customer should place a new purchase order to ensure delivery 4 When returning an instrument to METR...

Page 12: ...econds before switching on again in order to allow the test circuits to discharge fully 2 4 PRO Soft QA 90 PRO Soft QA 90 is a front end test automation and presentation tool for METRON s QA 90 Electr...

Page 13: ...f equipment being tested at your facili ty Sequences can then be used independently or can be attached to a checklist written procedure and equipment data in the form of a test Protocol The equipment...

Page 14: ...2 4 This page intentionally left blank...

Page 15: ...mation Patient Leads New window for recording patient inputs Clear Clears the whole display Return Deletes the last character Enter Records entered data 2 Function Keys F1 F4 are used to select the fu...

Page 16: ...st 7 Earth Extra earth connection for calibrating measuring leads 8 Contact For connecting the power plug of the instrument to be tested Rear Panel 9 Power Switch Turns power ON and OFF 10 RS 232 Seri...

Page 17: ...ect screen display depending on the bar code format The program will give a beep if a wrong format is read INSTRUMENT CODE FORMAT FIELD DESC VALUE ACCEPTED MAX CHARACTERS Instrument code alphanumeric...

Page 18: ...ed by pressing that key which is directly be low to the right of the menu unit shown in the display 3 5 Display Menus and Messages 1 Startup Screen The following screens will be displayed in se quence...

Page 19: ...ct either Rapid or Normal test type Press Test Mode F5 to choose between Automatic and Manual test Press GO BACK F2 to return to the previous display Press START F4 to start the test 4 MEMORY F2 QA 90...

Page 20: ...F6 Print all tests in memory F5 MORE GO BACK MAIN MENU F1 F2 F3 F4 Equipment Code F7 Delete test in memory F6 Delete all tests in memory F5 MORE GO BACK MAIN MENU F1 F2 F3 F4 The F5 and F6 function ke...

Page 21: ...3 F4 5 SETUP F3 This function is used for entering general information in connec tion with the test Seven main displays are shown below SYSTEM SETUP F7 Operator F6 Establishment F5 MORE STORE CAL MAIN...

Page 22: ...5 MORE GO BACK CAL MAIN MENU F1 F2 F3 F4 Multiple Protective Earth Tests N F7 Multiple Enclosure Tests N F6 PE Test Current 25 A F5 MORE GO BACK CAL MAIN MENU F1 F2 F3 F4 External Isolating Transforme...

Page 23: ...the keypad to obtain the window for recording patient modules and leads Module Code F7 No of leads F6 Type CF F5 ADD GO BACK PREV NEXT F1 F2 F3 F4 Go to the next patient module stored Go to the previo...

Page 24: ...nder MORE F1 in MAIN MENU 3 6 Measurements with Several Modules in Manual Mode When you perform measurements on several modules in Manual Mode and want to select which module to measure use the follow...

Page 25: ...Press GO BACK F2 7 Press START F1 to start the test 8 Press STOP F1 to stop the test 9 To select a new module press PL and repeat the same procedure 3 7 Storing Setup Parame ters in Flash Memory The f...

Page 26: ...3 12 F1 F2 F3 F4 Press STORE F2 in SYSTEM SETUP and the display will show you the setup parameters stored in flash...

Page 27: ...dules F5 MORE MEMORY SETUP START F1 F2 F3 F4 Press CAL F3 from the System Setup SYSTEM SETUP F7 Operator F6 Establishment F5 MORE STORE CAL MAIN MENU F1 F2 F3 F4 Then go to the hidden menu under F1 in...

Page 28: ...QA 90 Press and hold PL and CLR at the same time while turning the QA 90 on The display will show the following The software in the QA 90 is missing To download new software run COMMQA90 on the PC an...

Page 29: ...eck the calibration constants in the QA 90 through the hidden menu If necessary press F5 F6 or F7 to type your noted calibra tion constants then press ENTER To store in Flash memory go back to SYSTEM...

Page 30: ...3 16 This page intentionally left blank...

Page 31: ...s used to determine test lead resistance and for the values to be taken into account during subsequent testing 1 Prior to performing self calibration connect a test lead between the enclosure and eart...

Page 32: ...st lead dual float XXX mOhm F6 F5 GO BACK PRINT MAIN MENU F1 F2 F3 F4 4 2 Connecting an In strument without Pa tient Inputs Connect the mains plug of the instrument to be tested to the QA 90 s termina...

Page 33: ...est Type Rapid F6 Test Mode Automatic F5 GO BACK START F1 F2 F3 F4 4 3 Connecting an In strument with Patient Inputs This includes IEC Classifications Body B Body Float BF and Cardiac Float CF Connect...

Page 34: ...Code F7 if you wish to record the name of a new module 8 Press ENTER 9 Press No of leads F6 to enter the number of leads 10 Press ENTER 11 Press Type F5 to select protective class 12 Press ADD F1 to a...

Page 35: ...4 5 Test according to IEC60601 1 F7 Test Type Rapid F6 Test Mode Manual F5 GO BACK START F1 F2 F3 F4...

Page 36: ...and the each pin on the power cable 1 Press MORE F1 in MAIN MENU 2 Press Test Mode F5 and select Manual 3 Press START F4 4 Press MORE F1 in MANUAL TEST SETUP 5 Press Protective Earth F7 6 Press START...

Page 37: ...F7 Insulation Resistance F6 Earth Leakage Current F5 MORE GO BACK MAIN MENU F1 F2 F3 F4 Time Seconds F7 Result mOhm F6 Limit mOhm F5 START GO BACK PRINT MAIN MENU F1 F2 F3 F4 4 5 Current Measurement T...

Page 38: ...les F5 MORE MEMORY SETUP START F1 F2 F3 F4 Test according to IEC60601 1 F7 Test Type Rapid F6 Test Mode Automatic F5 GO BACK START F1 F2 F3 F4 MANUAL TEST SETUP F7 Mains Voltage F6 Current Consumption...

Page 39: ...select Manual 3 Press START F4 4 Press MORE F1 in MANUAL TEST SETUP 5 Press MORE F1 three more times 6 Press Voltage Measurement Dual Lead F6 7 Press START F1 Equipment Code F7 Sequence Name F6 Class...

Page 40: ...4 10 MANUAL TEST SETUP F7 Mains Voltage F6 Current Consumption F5 MORE MAIN MENU F1 F2 F3 F4...

Page 41: ...U F1 F2 F3 F4 4 7 Resistance Measure ment Dual Lead Measuring protective earth on fixed installations 1 Press MORE F1 in MAIN MENU 2 Press Test Mode F5 and select Manual 3 Press START F4 4 Press MORE...

Page 42: ...F3 F4 Current Measurement Dual Lead F7 Voltage Measurement Dual Lead F6 Resistance Measurement Dual Lead F5 GO BACK START F1 F2 F3 F4 Open Supply F7 Result A F6 Measure between E and E inputs F5 START...

Page 43: ...MAIN MENU 2 Press MORE F1 in SYSTEM SETUP 3 Press MORE F1 three more times 4 Press External Isolating Transformer F7 and select Y Yes Equipment Code F7 Sequence Name F6 Class CL1 0 leads in 0 modules...

Page 44: ...4 14 This page intentionally left blank...

Page 45: ...effective output ranging from 0 to 16A for calibrating current consumption Test leads Insulated transformer 5 2 Preparation and Adjustments 1 Startup Preparation a Press MORE F1 in MAIN MENU b Press T...

Page 46: ...Earth Leakage Current F5 MORE GO BACK MAIN MENU F1 F2 F3 F4 Enclosure Leakage Current F7 Patient Leakage Current AC F6 Patient Leakage Current DC F5 MORE GO BACK MAIN MENU F1 F2 F3 F4 2 Patient Lead D...

Page 47: ...set adjustment of U2630 is not mandatory but it results in small measuring improvements Before conducting measurements offset ad justments must be made to the measuring devices Refer to sche matic dia...

Page 48: ...hange polarity and take a new measurement Adjust values for both polarities to be equal Several adjust ments in both directions may have to be made 5 Select GO BACK F2 to return to Manual Test Setup W...

Page 49: ...f this current and the readout on the QA 90 display are equal e Press GO BACK F2 then MORE F1 to advance to Ma nual Test Setup Window 3 Enclosure Leakage Current F7 Patient Leakage Current AC F6 Patie...

Page 50: ...white leads is active If not press PREV F3 or NEXT F4 so that it is active d Press GO BACK F2 to return to the test window then press START F1 e Use a current source to generate an DC current between...

Page 51: ...5 7 MORE GO BACK MAIN MENU F1 F2 F3 F4...

Page 52: ...the QA 90 display are equal Press STOP F1 f Press GO BACK F2 then press MORE F1 to advance to Manual Test Setup Window 5 Current Measurement Dual Lead F7 Voltage Measurement Dual Lead F6 Resistance Me...

Page 53: ...d F7 and press START F1 f Press STOP F1 Check the voltage g Connect a variac to the terminals on the front panel and check the voltage The Live Neutral setting is used to measure for example 70 and 25...

Page 54: ...xcess of 25 A in short circuit condition A trans former for 100 120 V mains is available from METRON d Press GO BACK F2 to return to the previous display 11 Insulating Resistance Insulation resistance...

Page 55: ...or dance with Ohm s Law 253 or 132 VAC test box imped ance The measured alternating voltage divided by the voltmeter s internal resistance p Press GO BACK F2 to return to the previous display 5 4 Othe...

Page 56: ...bar codes into machine readable format See paragraph 3 3 for more information on this feature a Attach the scanning wand s TTL interface to the 9 pin D sub port on the QA 90 s rear panel b Return to...

Page 57: ...No of leads F6 Type CF F5 ADD GO BACK PREV NEXT F1 F2 F3 F4 f Scan an improperly formatted patient lead bar code The QA 90 should beep to indicate this error g Scan a properly formatted patient lead b...

Page 58: ...sure with AC voltage with polarity changed Add the measurements to get the average and calculate the correct constant 2 PEIRMDL U constant Adjust the voltage measurement for Protective Earth and Resis...

Page 59: ...s 6 CC I constant Adjust the current measurement for Current Con sumption When the parameter value increases the measurement value decreases 7 IR R constant Adjust the resistance measurement for Insul...

Page 60: ......

Page 61: ...mode for measuring voltage cur rent and resistance or an automatic test cycle that provides full safety testing in accordance with specified standards The following standards may be compiled either f...

Page 62: ...r minals on the rear panel of the QA 90 The T2070 Measurement Transformer is used for current consumption measurements Refer to Schematic Diagram E160 20 2100 U3 High Voltage Inter face QA 90 The high...

Page 63: ...2 and R2616 are used to offset adjustment of the measurement amplifier Normally this is unnecessary thus there is a jumper between pins 1 and 2 on S2600 to avoid using the DC offset function U2610 is...

Page 64: ...s programmable and may he repro grammed with new software supplied by Metron All transistors in the memory circuit are used to supply the flash ROM with a 12 volt pro gramming voltage Refer to Schemat...

Page 65: ...ITHIUM 1 98 1140010 10R RESISTOR HOUSING 1206 5 98 1140133 330R RESISTOR HOUSING 1206 1 98 1140210 1K RESISTOR HOUSING 1206 2 98 1140227 2K7 RESISTOR HOUSING 1206 1 98 1140233 3K3 RESISTOR HOUSING 120...

Page 66: ...OT LIN 50K TRIMPOT LIN 2 1 1 30 2410647 47 F 63V 5 08MM EL CAPACITOR 1 30 2410721 220 F 25V 5 08MM EL CAPACITOR 2 30 2600510 PME271Y510 Y Capacitor 1 30 2713415 15nF 50V MULTILAYER 5 08 1 30 2800411 1...

Page 67: ...MM FUSE F2002 F2003 4 30 8310601 031 3601 FUSE HOLDER 2 30 8315138 031 3577 FAU E360149 SI H 2 30 8315139 031 1661 E360138 2 30 8320016 16A 6 3X32MM SLOW FUSE F2000 F2001 2 30 8431215 ZW31215 PDA03C60...

Page 68: ...6 8 This page intentionally left blank...

Page 69: ...mains part insulation is achieved The techniques used include air clearance insulating materials basic or functional insula tion creepage distances and double insulation 1 Class 0 The mains part is c...

Page 70: ...are shown be low Symbols Description Symbols Description Type B Type B Defib Protection Type BF Type BF Defib Protection Type CF Type CF Defib Protection B Classes 1 2 or 3 equipment or I P equipment...

Page 71: ...A 3 6 Generic Safety Tests Power Supply Tests Classes 1 and 2 Enclosure Tests Applied Parts Tests Types B BF and CF Systems Tests...

Page 72: ...ly includes the wiring in the mains cable maximum 0 2 Ohms Without the mains ca ble the maximum is 0 1 Ohms Test current 25 Amps applied for a minimum of five seconds 2 Test I R 1 Insulation Resistanc...

Page 73: ...nstrument under test connected to the mains power supply normal and reversed polarity using S2 For Type BF and CF equipments measures with the AP GND switch S3 open and closed Maximum leakage current...

Page 74: ...using S2 For Type BF and CF equipments measures with the AP GND switch S3 open and closed Maximum leakage current 100 A Range DC and AC up to 1 kHz 7 Test ENCL 2 Enclosure Leakage Current S F C Open...

Page 75: ...Type BF and CF equipments measures with the AP GND switch S3 open and closed Maximum leakage current 500 A Range DC and AC up to 1 kHz 9 Test P L C 1 Patient Leakage Current Normal Condition Applicab...

Page 76: ...akage current Types B and BF 500 A Range DC and AC up to 1 kHz For Type CF 50 A Range DC and AC up to 1 kHz 11 Test P L C 3 Patient Leakage Current S F C Open Earth Applicable to Class 1 Types B BF an...

Page 77: ...ternal mains voltage on Applied Part and with switch S5 open and closed Each polarity combination possible is tested using S5 and S6 Maximum leakage current Type BF 5000 A Range DC and AC up to 1 kHz...

Page 78: ...and all of the others in paral lel e g patient leads normal and reversed polarity using S2 AP switch is used to obtain all AP combinations Maximum auxiliary current Types B and BF 10 A DC 100 A Range...

Page 79: ...t flowing between one of the Applied Parts and all of the others in parallel with one supply lead interrupted S1 open normal and reversed polarity using S2 AP switch is used to obtain all AP combinati...

Page 80: ...owing between one of the Applied Parts and all of the others in parallel with the Protective Earth open circuit S4 open normal and reversed polarity using S2 AP switch is used to obtain all AP combina...

Page 81: ...ts measures with the AP GND switch S3 open and closed Maximum leakage current 100 A Range DC and AC up to 1 kHz 2 Test I P 2 Patient Leakage Current Normal Condition Applicable to internally powered e...

Page 82: ...A Range DC and AC up to 1 kHz Maximum auxiliary current Type CF 50 A Range DC and AC up to 1 kHz 4 Test I P 4 Patient Auxiliary Current Normal Condition Applicable to internally powered equipment Type...

Page 83: ...ronment normal and reversed polarity using S2 Maximum leakage current 100 A Range DC and AC up to 1 kHz 2 Test SYS 2 Enclosure Leakage Current S F C Open Earth Ground Applicable to Class 1 Types B BF...

Page 84: ...o earth from all Applied Parts and enclosure in paral lel normal and reversed polarity using S Maximum leakage current 1000 A Range DC and AC up to 1 kHz 2 Test VDE 0751 1 Test 2 Replacement Equipment...

Page 85: ...rent Ersatz Patientableit strom Applicable to Classes 1 and 2 Types BF and CF Measures replacement leakage current to mains part from all Applied Parts and enclosure in parallel Maximum leakage curren...

Page 86: ...A 18 This page intentionally left blank...

Page 87: ...9 Measuring System Schematic Diagram Part 6 Measurement Matrix B 10 Measuring System Schematic Diagram Part 7 Program Amplifier and Lowpass B 11 Measuring System Schematic Diagram Part 8 Relay Driver...

Page 88: ...B 2 This page intentionally left blank...

Page 89: ...B 3 Mains EUT Connections Schematic Diagram DESCRIPTION DRAW CAT DRAW NO PAGE DATE PRODUCT QA 90 METRON Mains EUT Connections Schematic diagram E160 20 0F00 U3 20 11 1995 1 of 1...

Page 90: ...B 4 Measuring Board Component Location Layer 1...

Page 91: ...B 5 Measuring Board Component Location Layer 2...

Page 92: ...B 6 Measuring System Schematic Diagram Part 1 Measuring Preparation...

Page 93: ...B 7 Measuring System Schematic Diagram Part 2 High Voltage Interface...

Page 94: ...B 8 Measuring System Schematic Diagram Part 3 High Voltage Logic...

Page 95: ...Measuring System Schematic Diagram Part 4 High Voltage Drivers DESCRIPTION DRAW CAT DRAW NO PAGE DATE PRODUCT QA 90 METRON High Voltage Drives Schematic diagram Part 4 E160 20 2300 U3 17 10 1995 4 of...

Page 96: ...0 Measuring System Schematic Diagram Part 5 Applied Part Matrix DESCRIPTION DRAW CAT DRAW NO PAGE DATE PRODUCT QA 90 METRON Applied Part Matrix Schematic diagram Part 5 E160 20 2400 U3 17 10 1995 5 of...

Page 97: ...B 11 Measuring System Schematic Diagram Part 6 Measurement Matrix...

Page 98: ...B 12 Measuring System Schematic Diagram Part 7 Program Amplifier and Lowpass...

Page 99: ...B 13 Measuring System Schematic Diagram Part 8 Relay Drivers...

Page 100: ...B 14 Microprocessor Board Component Location...

Page 101: ...B 15 Keypad Board Component Location DESCRIPTION DRAW CAT DRAW NO PAGE DATE PRODUCT QA 90 METRON Keypad Board Component Location 17 10 1995 1 of 1...

Page 102: ...B 16 Microprocessor System Schematic Diagram Part 1 QA 90...

Page 103: ...B 17 Microprocessor System Schematic Diagram Part 2 Integrated Keypad...

Page 104: ...B 18 Microprocessor System Schematic Diagram Part 3 CPU...

Page 105: ...B 19 Microprocessor System Schematic Diagram Part 4 CPU...

Page 106: ...B 20 Microprocessor System Schematic Diagram Part 5 Printer and Display Interface...

Page 107: ...cessor System Schematic Diagram Part 6 Series and Keypad Interface DESCRIPTION DRAW CAT DRAW NO PAGE DATE PRODUCT QA 90 METRON Series and Keypad Interface Schematic diagram Part 6 E160 20 1300 U1 15 0...

Page 108: ...B 22 This page intentionally left blank...

Page 109: ...7382 8500 Fax 1 616 454 3350 Fax 33 1 6078 6839 Fax 47 7391 7009 E mail metronus aol com E mail metronfrance infonie fr E mail support metron no From name Phone Address Fax Date QA 90 Error Report Pro...

Page 110: ...C 2 This page intentionally left blank...

Page 111: ...33 1 6078 8899 Phone 47 7382 8500 Fax 1 616 454 3350 Fax 33 1 6078 6839 Fax 47 7391 7009 E mail metronus aol com E mail metronfrance infonie fr E mail support metron no From name Phone Address Fax Dat...

Page 112: ...D 2...

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