Fluke 43
Applications Guide
Table of Contents
Chapter Title Page
Working Safely.............................................................................. 1
How to use this Manual................................................................. 2
Conventions Used.................................................................... 2
Resetting the Fluke 43B................................................................ 4
1 Basic Measurements .................................................................. 5
Introduction................................................................................... 5
Measuring Line Voltage................................................................ 6
Measuring Current ........................................................................ 7
Line Voltage and Current Simultaneously..................................... 8
Measuring Line Voltage and Current ....................................... 8
Recording Line Voltage and Current........................................ 9
Testing Continuity......................................................................... 11
Measuring Resistance .................................................................. 12
Measuring Capacitance................................................................ 13
Testing a Diode............................................................................. 14
2 Receptacle Branch Circuits ....................................................... 15
Troubleshooting Electrical Distribution Systems........................... 15
Detecting Transients (Phase to Neutral)....................................... 16
Monitoring Rapid Voltage Fluctuations......................................... 19
Measuring Voltage Harmonics...................................................... 21
Measuring Current Harmonics...................................................... 22
Measuring the Load on a Transformer.......................................... 24
Recording the Load on a Transfomer ...................................... 26
Measuring K-factor........................................................................ 29
3 Lighting Loads ............................................................................ 31
Introduction................................................................................... 31
Measuring Current Harmonics...................................................... 32
Measuring Power on Single Phase Loads.................................... 33
Measuring Surge Current.............................................................. 34
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