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DMM6500

6½ Digit Multimeter User's Manual Section 9: Measuring power using digitizing and TSP-

Link

DMM6500-900-01Rev. A / April 2018 9-7

node[1].display.changescreen(display.SCREEN_USER_SWIPE)

node[1].display.settext(display.TEXT2, "Average Power: ".. string.format("%8f",

average_power) .. " W")

node[2].display.settext(display.TEXT2, "Average Power: ".. string.format("%8f",

average_power) .. " W")

Results

The voltage and current waveforms captured on the DMM6500 show the power consumption

resulting from the use of the DUT. You can identify the transmission state of the device by the areas

of high current consumption and the visible drop in voltage from the battery. Because these

measurements are triggered within 2 µs of each other, the voltage and current data is synchronized

nearly point-for-point.

You can expand on this example by importing the data from each of the instruments’ buffers to a

computer and analyzing the data more closely.

Figure 44: Master node measuring voltage

Figure 45: Master node voltage waveform

Keithley DMM6500 User Manual

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