Figure 5-5.
Constant load
Figure 5-6.
Basic potentiometer
Learning Event 2:
DESCRIBE THE 887AB/AN DIFFERENTIAL VOLTMETER
1.
The Model 887A Differential Voltmeter is line-powered, and the Model 887AB
Differential Voltmeter is either line- or battery-powered.
Both instruments
are half-rack width and are equipped with resilient feet and folddown bail for
field or bench use. A single instrument may be mounted in a standard rack or
two may be mounted side by side.
The instrument is intended primarily
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