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METRON QA-ST, User And Service Manual

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Summary of Contents for QA-ST

Page 1: ...QA ST User and Service Manual QA ST Safety Tester North American Version 1 1...

Page 2: ...nsactions therefore this statement may not apply to you Limited Warranty METRON warrants that the QA ST Safety Tester will substantially conform to published specifica tions and to the documentation p...

Page 3: ...Patient Leakage Current Lead to Lead 4 6 4 7 Patient Leakage Current Lead to Ground 4 7 4 8 Leakage Current Lead to ISO 4 8 5 CALIBRATION 5 1 5 1 Linearity Test of Voltmeter Lead to Lead 5 1 5 2 Main...

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Page 5: ...facility representative 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changes and revisions to publications make the pen changes or insert the revised pages ensure that obsolete pages are withdrawn and either disposed of im...

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Page 7: ...n a bright 4 digit LCD display The QA ST performs all electrical safety tests necessary to satisfy AAMI ESI NFPA 99 VDE 701 VDE 751 and HEI 95 It also features differential current measurements obtain...

Page 8: ...AC Source Range 0 1999 mOhms Accuracy 2 reading 1 digit Resolution 1 mOhm Current Source 200 mA AC 4 Leakage Current Range 0 1999 A RMS Accuracy DC and 25 to 1 0 kHz 2 reading 1 digit 1 0 kHz to 100...

Page 9: ...F while operating 0 to 50 122 C F for storage 2 Display Type LCD Numeric format 4 characters Display control Keypad 3 Power 100V 110V or 230V 240V 50 60 Hz 4 Housing Plastic case 5 Physical Dimension...

Page 10: ...Electrical Safety Analyzer Specify power supply socket Standard Accessories 11045 User Service Manual QA ST 17290 Test Lead Kelvin Cable Various power supply socket including European Schuco French Sc...

Page 11: ...arefully unpack all items from the box and check to see that you have the following items QA ST Electrical Safety Analyzer P N 11040 User Service Manual QA ST P N 11045 Test Lead Kelvin Cable P N 1729...

Page 12: ...l and serial numbers If possible use the original packaging material for return shipping Otherwise repack the unit using a reinforced cardboard box strong enough to carry the weight of the unit at lea...

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Page 14: ...3 Operating the QA ST This chapter describes the controls and terminals of the QA ST Safety Tester 1...

Page 15: ...1 2 NOTE Remove the batteries and dis connect the AC Adapter Bat tery Eliminator if you do not in tend to use the PS 410 for an extended period of time...

Page 16: ...NC G X O X L G N X O X N L G O X X N G L X O X N L NC O X X NC L G X O X N NC L X O X NC G L X O X G L N X O X G N L X O X G L NC O O O NC L N X O X G NC L X O X NC N L X O X L Live N Neutral G Groun...

Page 17: ...QA ST NOTE When the QA ST is initially powered up the unit will be in a default condition At this time no measurements are being per formed 4 1 L e a k a g e C u r r e n t L e a d t o L e a d The purp...

Page 18: ...result for Lead 1 will be displayed on the LCD display To test Lead 2 press Patient Current Lead to Lead Observe that the lead under test number is indicated in binary format by the LEDs in the Measur...

Page 19: ...5 The purpose of this test is to have the QA ST display the Mains Sup ply Voltage coming into the QA ST This is measured between Hot and Neutral 1 Press Supply V Square Wave 2 The value will be displ...

Page 20: ...4...

Page 21: ...if there is any DC resistance between the cabinet of the Device Under Test DUT and the Mains Supply Ground on the DUT 1 Press Ground Wire Res DC QA ST will display over range 1 2 Connect the Kelvin Te...

Page 22: ...kage cur rent between DUT Ground and Mains Supply Ground 1 Plug in the DUT into the Outlet Supply 2 Press Leakage current Int Case 3 Next press Outlet Supply RS Reversed Supply The dis played QA ST va...

Page 23: ...sis and Mains Supply Ground 1 Connect the Kelvin Clamp to the chassis of the DUT 2 Press Leakage current Ext Case 3 The value will be displayed on the LCD Note the value 4 Next press Outlet Supply RS...

Page 24: ...L e a d t o L e a d The purpose of this test is to determine if there is any patient leakage current between DUT Enclosure chassis and Mains Supply Ground 1 Connect all patient leads to the QA ST sta...

Page 25: ...lead to lead 3 The result will be displayed on the LCD Note the value 4 Press lead to lead to change the patient lead number The diode panel will display in binary format the number of the actual pat...

Page 26: ...L e a d t o G r o u n d The purpose of this test is to determine if there is any leakage cur rent between all the patient leads in parallel and DUT Ground 1 Connect all patient leads to the QA ST sta...

Page 27: ...2 Press Patient leakage current lead to GND Ground 3 The value will be displayed on the LCD Note the value 4 11...

Page 28: ...to the chassis of the DUT NOTE All patient leads are connected internally within the QA ST to the same potential 3 Press lead ISO CAUTION During the lead isolation test high voltage is present at the...

Page 29: ...13...

Page 30: ...th the simulators basic operation refer to paragraph 3 3 Operating QA ST 5 1 L i n e a r it y T e s t o f V o lt m e t e r L e a d t o L e a d The purpose of this test is to calibrate the display volt...

Page 31: ...tient Current Lead to Lead 7 Adjust the voltage source until the ammeter displays 1000 A Then adjust the QA ST potentiometer R63 see Appendix A for location until the QA ST LCD displays the same 1000...

Page 32: ...voltage 3 Press Supply V 4 Adjust the mains voltage with an external variable AC voltage VARIAC source Then adjust the QA ST potentiometer R67 see Appendix A for location until the QA ST LCD displays...

Page 33: ...en the cabinet of the device under test or DUT and the Mains Earth on the DUT 4 Press Ground Wire Res DC QA ST will display over range 1 5 Connect a Kelvin Test Lead in series with an ammeter directly...

Page 34: ...7 Perform the test for tall the given values in the test protocol un der Ground Wire Resistance DC Reference 5...

Page 35: ...resistance as shown below 6 Press Leakage current Int Case 7 Adjust the voltage until the ammeter displays the first refer ence value in the test protocol QA ST will display the same value as the ref...

Page 36: ...een DUT Enclosure chassis and Mains Earth 6 Connect a voltage source in series with an ammeter and 10K resistance as shown below 7 Press Leakage current Ext Case 8 Adjust the voltage until the ammeter...

Page 37: ...10 Then press Outlet Supply OG Open Ground The dis played QA ST value will not change 7 Perform the test for tall the given values in the test protocol under Leakage Current Ext Case Reference 8...

Page 38: ...n t L e a d t o L e a d The purpose of this test is to determine if there is any patient leakage current between DUT Enclosure chassis and Mains Earth 5 Connect a voltage source in series with an amm...

Page 39: ...ill display the same value as the reference ammeter Note the value 8 Press lead to lead to change the patient lead number The diode panel will display in binary format the number of the actual patient...

Page 40: ...L e a d t o G r o u n d The purpose of this test is to determine if there is any leakage cur rent between all the patient leads in parallel and DUT Earth 5 Connect a voltage source in series with an...

Page 41: ...ource until the ammeter displays the first reference value in the test protocol QA ST will display the same value as the reference ammeter Note the value 8 Perform the test for all the given values in...

Page 42: ...to one of the patient leads see below Note that all patient leads are connected internally within the QA ST to the same potential 6 Press lead ISO 7 Adjust the voltage source until the ammeter displa...

Page 43: ...8 Perform the test for tall the given values in the test protocol un der Leakage Current to ISO Reference 8 14...

Page 44: ...Appendix A Circuit Board Schematic North American Version A 1 A 1...

Page 45: ...This page intentionally left blank A 2...

Page 46: ...Fax 33 1 6078 6839 E mail info metron fr NORWAY Travbaneveien 1 N 7044 Trondheim Norway Phone 47 7382 8500 Fax 47 7391 7009 E mail support metron no From name Phone Address Fax E mail Date Error Repor...

Page 47: ...33 1 6078 8899 Fax 33 1 6078 6839 E mail info metron fr NORWAY Travbaneveien 1 N 7044 Trondheim Norway Phone 47 7382 8500 Fax 47 7391 7009 E mail support metron no From name Phone Address Fax E mail...

Page 48: ...6 Fax 1 616 454 3350 E mail support us metron biomed com FRANCE 30 rue Paul Claudel 91000 Evry France Phone 33 1 6078 8899 Fax 33 1 6078 6839 E mail info metron fr NORWAY Travbaneveien 1 N 7044 Trondh...

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