Dual Measurement Considerations
The dual measurements mode allows users to make two measurements in one
display. During dual measurement mode, the display will show two separate
measurements and there is a switching delay between both measurements.
The table below shows some of the applications that can be measured using dual
measurement mode:
Dual Functions Combinations
DCV & ACV
DCV & DCI
DCV & ACI
ACV & DCI
ACV & ACI
ACV / ACI & Freq
DC voltage dynamic range in dual measurement
When measuring DC and AC in dual measurement mode, make sure the DC + AC
components do not exceed the multimeter ADC dynamic range. The 34450A has a
dynamic range of ±1.2 V or 120% of full scale for each DCV ranges.
For example, the DC offset of the signal as shown in
to exceed the upper limit ADC dynamic range. This may cause errors in DC
component measurement.
Keysight 34450A User's Guide
Measure AC signal with DC offset from an amplifier output.
Measure AC ripple noise and DC output voltage from a power supply
Measure DC voltage and DC current on a electronic circuit
Inverter application
Inverter application
Measure primary & secondary signal of a transformer circuit
Measure frequency of the line voltage
Measurement Tutorial
Application
Figure 3-3
causes the input
3
101