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QA-90
METRON QA-90 User Manual
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A-
17
3.
Test VDE 0
751
-
1
Tes
t 3 (Replacemen
t Patient Leakage Current) (Ersatz
-
Patienta
bleit
-
st
r
om)
•
Appli
cable t
o Clas
ses 1 an
d 2, T
y
pes BF and CF
.
•
Measures replacem
ent leak
age current to m
ains part from all A
p
plied Parts and encl
osure in
para
l
lel.
•
Maxi
mu
m
leaka
ge cu
rrent Ty
pe BF: 5000 µA. F
or Type C
F: 50 µA
(100 µA for CF
defi
b
paddles)
.
84
86
Table of Contents
Table of Contents
3
Manual Revision Record
5
Introduction
7
Features
7
Specifications
7
General Information
9
Installation
11
Receipt, Inspection and Return
11
Setup
12
Power
12
PRO-Soft QA-90
12
Control Switches and Connections
15
Key Pad Functions
17
Function of the Bar Code Reader
17
Menu and Function Keys
18
Display Menus and Messages
18
Measurements with Several Modules in Manual Mode
24
Storing Setup Parame- Ters in Flash Memory
25
Cleaning the QA-90
29
Example Test Measurements
31
Test Lead Calibration
31
Connecting an Instrument Without Patient Inputs
32
Connecting an Instrument with Patient Inputs
33
Power Cable Test
36
Current Measurement Test (Dual Lead)
37
Voltage Measurement Test (Dual Lead)
39
Resistance Measurement (Dual Lead)
41
Connecting Auxiliary Power Source / Isolating Transformer
42
Control and Calibration
45
Required Test Equipment
45
Preparation and Adjustments
45
Calibration
49
Other Calibration Procedures
55
Calibration Constants
58
Component Functions and Parts
61
Theory of Operation
61
Measuring System
62
Microprocessor System
63
Component Parts
64
Appendix A: Iec 601.1, Ul 2601.1 and Vde 0751 Testing
69
Classification of Equipment
69
Tests on Mains Powered Class 1 & 2 Equipment According to IEC 601.1/UL 2601.1
72
Tests on Internally Powered Equipment According to IEC 601.1/UL 2601.1
81
System Tests Based on IEC 601.1/UL 2601.1
83
Tests According to VDE 0751-1, 10/1990
84
Appendix B: Diagrams
87
Mains & EUT Connections Schematic Diagram
89
Measuring Board Component Location Layer 1
90
Measuring Board Component Location, Layer 1
90
Measuring Board Component Location Layer 2
91
Measuring Board Component Location, Layer 2
91
Measuring System Schematic Diagram Part 1 (Measuring Preparation
92
Measuring System Schematic Diagram Part 2 (High Voltage Interface
93
Measuring System Schematic Diagram Part 3 (High Voltage Logic
94
Measuring System Schematic Diagram Part 4 (High Voltage Drivers
95
Measuring System Schematic Diagram Part 5 (Applied Part Matrix
96
Measuring System Schematic Diagram Part 6 (Measurement Matrix
97
Measuring System Schematic Diagram Part 7 (Program Amplifier and Lowpass
98
Measuring System Schematic Diagram Part 8 (Relay Drivers
99
Microprocessor Board Component Location
100
Keypad Board Component Location
101
Microprocessor System Schematic Diagram Part 1
102
Microprocessor System Schematic Diagram Part 2 (Integrated Keypad
103
Microprocessor System Schematic Diagram Part 3 (CPU
104
Microprocessor System Schematic Diagram Part 4 (CPU
105
Microprocessor System Schematic Diagram Part 5 (Printer and Display Interface
106
Microprocessor System Schematic Diagram Part 6 (Series and Keypad Interface
107
Appendix C: Error Report Form
109
Appendix D: Suggestion Form
111
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METRON QA-90 Specifications
General
Brand
METRON
Model
QA-90
Category
Measuring Instruments
Language
English
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