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UNI-T UTD2000 Series User Manual

UNI-T UTD2000 Series
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UTD2000 Series User Manual
53
Steps :
(1) As in the previous illustration, set the attenuation factor of the probe and Ch1.
(2) Connect the signal to ensure stable display of waveform.
(3) Improving trigger by setting trigger coupling.
Press TRIG MENU in the trigger zone to display the trigger setup menu.
Set trigger coupling to Low Frequency Holdoff or High Frequency Holdoff. Low
frequency holdoff is seting up a high-pass filter. It filters low frequency signal
component under 80kHz and allows high frequency signal component to pass through.
High frequency holdoff is setting up a low-pass filter. It filters high frequency signal
component over 80kHz and allows low frequency signal component to pass through.
By setting Low Frequency Holdoff or High Frequency Holdoff, you can hold off low
frequency or high frequency noise respectively and achieve a stable trigger.
(4) Reducing display noise by setting the sampling mode.
If the signal being measured is stacked with random noise and the waveform
is too coarse as a result, you can use the average sampling mode to eliminate random
noise display and reduce the size of waveform for easy observation and measurement.
After getting the mean, random noise is reduced and details of the signal are clearer.
Follow the steps below:
Press ACQUIRE in the menu zone of the front panel to display the sampling
setup menu. Press F1 to set acquisition mode to AVERAGE, then press F1 to adjust
the average number of times in multiples of 2, i.e. 2 to 256, until you get the desired
waveform display that meets observation and measurement requirements. (See the
figure below)
Figure 12-5 Signal noise held off
Note: In average sampling mode, the waveform display will update at a slower
rate. This is normal.
Example 5: Using the cursors for measurement

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UNI-T UTD2000 Series Specifications

General IconGeneral
BrandUNI-T
ModelUTD2000 Series
CategoryTest Equipment
LanguageEnglish

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