Fluke 192, 199, 196 Using Cursors on a A+B, A-B or A*B Waveform, Making Rise Time Measurements

Fluke 192/196/199

Users Manual

Using Cursors on a A+B, A-B or A*B Waveform

Cursor measurements on a A*B waveform give a reading in Watts if input A measures (milli)Volts and input B measures (milli)Amperes.

For other cursor measurements on a A+B, A-B or A*B waveform no reading will be available if the input A and input B measurement unit are different.

Making Rise Time Measurements

4

5

6

Move the upper cursor to 100% of the trace height. A marker is shown at 90%.

Highlight the other cursor.

Move the lower cursor to 0% of the trace height. A marker is shown at 10%.

To measure rise time, do the following:

1	From scope mode, display the
	cursor key labels.
2	Press to highlight	(rise time).
	Observe that two horizontal
	cursors are displayed.
3	If only one trace is displayed,
	select MANUAL or AUTO (this
	automatically does steps 4 to 6).
	For multiple traces select the
	required trace A, B, or M (if a
	math function is active).

The reading shows the risetime from 10%-90% of the trace amplitude.

Figure 25. Risetime Measurement

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