94 Keysight B2980B User’s Guide, Edition 1
How to Perform Measurement
Voltage Measurement
Voltage Measurement
The B2985B/B2987B supports the voltage measurement capability shown in Table
3-2.
Table 3-2 Voltage Measurement Range, Value, and Resolution
Requirements Before turning the instrument on, connect cable, test leads, test fixture, and so on,
used for the measurement. See Figures 3-7 and 3-8 for connection examples.
The following accessories can be used.
• Triaxial cable, 200 V, 1.5 m
• Triaxial bulkhead connector, if needed
• Banana to alligator clip cable, for connecting Common to voltage under test
low
• Banana to lug cable, for connecting Common to chassis ground
Instead of the triaxial cable and the triaxial bulkhead connector, Keysight N1415A
Triaxial to alligator clip cable, 200 V, 1.5 m can be used.
When turning the instrument on, leave the end of the measurement path open.
Figure 3-6 Simplified Circuit Diagram of Voltmeter
Range value Measurement value Display resolution
2 V 0 |V| 2.1 V 1 V
20 V 0 |V| 21 V 10 V
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