Test Instruments & Measuring Devices
OTHER ELECTRICAL MEASURING DEVICES
Summary
The important information contained in this chapter is summarized below.
Measuring Devices Summary
Ampere-hour Meter
Measures current flow (either direction) through a given point
Connected in series
Power Factor Meter
Measures power factor between phases in a 3-phase circuit
Connected in series with one phase
Ground Detector
Measures conductor insulation
Connected out of circuit to ground
Synchroscope
Measures relationship between generator frequencies
Connected by a two-phase stator at right angles
Rev. 0
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