RIGOL Chapter 6 MATH and Measurements
6-22 DS2000E User’s Guide
Frequency Counter Measurement
The hardware frequency counter supplied with the DS2000E oscilloscope can make
more precise measurement of the input signal frequency.
Press Measure ïƒ Counter to select CH1 or CH2 as the measurement source.
Besides, the signal input from the [EXT TRIG] connector can also be used as the
measurement source. The measurement result is displayed at the upper right corner
of the screen and you can identify the current measurement source according to the
color of the icon. The following figure is the result of frequency measurement of the
input signal of CH1.
Select "OFF" to disable the frequency counter measurement function.
Note: When the frequency of the input signal of the measurement source is lower
than 15 Hz, the measurement result displayed is "< 15 Hz".
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