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Digital Voltmeter (DVM) and Frequency Counter
-
•
Upper/Lower Limit Setting
Click or tap the input field of Upper, then use the pop-up numeric keypad to set
the upper limit of the voltage or use the corresponding multipurpose knob to
set the value.
Click or tap the input field of Lower, and then use the pop-up numeric keypad to
set the lower limit of the voltage or use the corresponding multipurpose knob to
set the value.
11.1.2
Remove the Measurement
Click or tap the "DVM" label in the "Result" bar and a window is displayed. Click or
tap Remove to disable the DVM measurements and clear the measurement results.
You can also click or tap Remove in the DVM setting menu to disable the function.
11.2
Frequency Counter
The frequency counter analysis function provides frequency, period, or edge event
counter measurements on any analog channel.
You can enable the counter in the following ways:
•
Click or tap
•
Click or tap the Counter button in the toolbar to enable the counter.
•
Press the front-panel
"Analyse" menu to enable the counter.
After the counter is enabled, the "Counter" label displaying the counter measurement
results appears in the "Result" bar at the right section of the screen, as shown in the
figure below.
You can click or tap the "Counter" label in the "Result" bar and select Reset Stat,
Setting, or Remove in the displayed window.
HDO4000 User Guide
174
Out Limits: when the voltage value is outside the limited range, you can
enable or disable the beeper to sound an alarm.
> Counter to enable the counter.
key and then select Counter in the displayed
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