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6.4. Measuring Frequency
Warning! If you try to measure the frequency of a signal that
exceeds 250V AC
expose yourself to a severe shock hazard.
Follow these steps to measure the frequency of a signal:
Note:
*
In noisy environments, use shielded cable to measure
small signals
*
When measuring high voltage circuit, any parts of your
body should not touch the high voltage circuit, otherwise
it may hurt your body
Note: For the most accurate measurements, we strongly
recommend you to use a BNC cable with ferrite core.
1. Set the rotary selector to Hz.
2. Plug the black test lead into your meter's COM terminal
and the red test lead into you meter's V//Hz-terminal.
3. Connect the test leads to the frequency source.
Warning! When you connect the test leads to an AC outlet,
do not turn the function rotary selector to another range. It
could damage the meter's internal components or injure you.
, you might damage your meter and
rms
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