Simpson Electric 270 Series 5, Инструкция по эксплуатации

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Contents
1. INTRODUCTION ............................................................................... 7
1.1 General Description ............................................................................. 7
1.2 Overload Protection ............................................................................. 7
1.3 Internal Batteries .................................................................................. 8
1.4 Printed Circuit ....................................................................................... 8
1.5 Phenolic Case ...................................................................................... 8
1.6 Adjust-A-Vue Handle ............................................................................ 8
1.7 Test Leads ............................................................................................ 8
1.8 Technical Data ...................................................................................... 8
1.9 Definition of Accuracy ........................................................................10
1.10 Safety Considerations ........................................................................10
2. INSTALLATION ................................................................................ 11
2.1 Unpacking and Inspection .................................................................11
2.2 Warranty .............................................................................................11
2.3 Shipping .............................................................................................11
2.4 Power Source Requirements .............................................................11
3. CONTROLS, JACKS AND INDICATORS ......................................... 12
3.1 Front Panel Description ......................................................................12
4. OPERATION .................................................................................... 13
4.1 Safety Precautions .............................................................................13
4.2 Polarity Reversing ..............................................................................14
4.3 Measurement Of Unknown Voltage Or Current .................................15
4.4 Test Leads ..........................................................................................15
4.5 DC Voltage Measurement 0-250 Mv Range ......................................15
4.6 DC Voltage Measurement 0-1V Range .............................................15
4.7 DC Voltage Measurement 0-2.5 Through 0-500V Range. .................16
4.8 DC Voltage Measurement 0-1000v Range ........................................16
4.9 AC Voltage Measurement 0-2.5 Through 0-500V Range ..................17
4.10 AC Voltage Measurement 0-1000V Range .......................................18
4.11 Output Voltage Measurement .............................................................19
4.12 Decibel Measurement (-20 to +50 dB) ..............................................20
4.13 Direct Current Measurement ..............................................................21
4.14 Direct Current Measurement 0-50 µA Range ....................................21
4.15 Direct Current Measurement 0-1mA through 0-500mA Range.........21
4.16 Direct Current Measurement 0-10A Range .......................................22
4.17 Zero Ohms Adjustment .......................................................................23
4.18 Measuring Resistance .......................................................................23
4.19 Resistance Measurement of Semiconductors ...................................24
5. OPERATOR SERVICING ................................................................. 25
5.1 Inspection ...........................................................................................25
5.2 Battery Replacement ..........................................................................25
5.3 Fuse Replacement .............................................................................26
5.4 Test Lead Inspection ..........................................................................26
5.5 Care ....................................................................................................26
6. SERVICING INSTRUCTIONS .......................................................... 27
6.1 Removing the Instrument Case .........................................................27
6.2 Replacement Parts .............................................................................27
6.3 Schematic Diagram ............................................................................29
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Figure 6-1. Schematic Diagram
6.3 Schematic Diagram