UNI-T UT70D, Руководство по эксплуатации, Страница: 26 / 48

26
11
G. Frequency & Duty Cycle Measurement
(see figure 11)
Frequency measurement
The measurement ranges are: 1kHz, 10kHz, 100kHz
and 1MHz . The maximum measurement range is 1MHz .
To measure frequency, connect the Meter as follows:
1. Insert the red test lead into the terminal
and the black test lead into the
COM terminal.
2. Set the rotary switch to any measurement position
of
V , V , mV , A , mA .
3. Press the Hz button once to display the frequency of
present signal while measure the
AC voltage or
current.
4. Connect the test leads across with the object being
measured.
The measured value shows on the display.
Note
Press the
Hz
button in the
MAX/MIN, HOLD
mode,
it exits these modes.
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