METRON QA-ST, Руководство пользователя и обслуживания

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Table of Contents
1. INTRODUCTION .................................................................................................................1-1
1.1 Features....................................................................................................................................1-1
1.2 Specifications.............................................................................................................................1-1
1.3 General Information...................................................................................................................1-2
2. INSTALLATION ..................................................................................................................2-1
2.1 Receipt, Inspection and Return.................................................................................................2-1
3. OPERATING QA-ST ...........................................................................................................3-1
4. QA-ST SAFETY TESTS ...................................................................................................4-1
4.1 Linearity Test of Voltmeter (Lead to Lead)...............................................................................4-1
4.2 Mains Supply Voltage................................................................................................................4-2
4.3 Ground Wire Resistance DC.....................................................................................................4-3
4.4 Leakage Current – Internal Case........................................................................................4-4
4.5 Leakage Current – External Case.............................................................................................4-5
4.6 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 Mains Supply Voltage................................................................................................................5-2
5.3 Ground Wire Resistance DC.....................................................................................................5-3
5.4 Leakage Current – Internal Case........................................................................................5-4
5.5 Leakage Current – External Case.............................................................................................5-5
5.6 Patient Leakage Current – Lead to Lead..................................................................................5-6
5.7 Patient Leakage Current – Lead to Ground..............................................................................5-7
5.8 Leakage Current – Lead to ISO................................................................................................5-8
APPENDIX A – CIRCUIT BOARD SCHEMATIC (NORTH AMERICAN VERSION) ..............A-1
APPENDIX B – ERROR REPORT FORM ...............................................................................B-1
APPENDIX C - IMPROVEMENT SUGGESTION FORM .........................................................C-1
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