Measuring Frequency; Measuring Duty; Measuring Dc Current - C-LOGIC 5300 Manual De Instrucciones

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4.10.1 Plug the black test lead into the COM jack and
the red test lead into the V jack.
4.10.2 Set the rotary selector to the ::= V range position.
4.10.3 Press the "SELECT" button to switch to AC
measurement. Then press the "RANGE" button
to choose the auto range or manual range mode.
4.10.4 Connect the test leads to the voltage source or
load terminals for measurement.
4.10.5 Take the reading on the main indicator of the LCD.
Note:
1) At small voltage range, unsteady readings may appear
befare the test leads contact the circuit. This is normal
because the meter is highly sensitive. When the test
leads contact the circuit, the true reading will be shown.
2) At the manual range mode, when only 'O L' or '-O L' is
shown on the LCD, it means the measurement has
exceeded the range. A higher range should be selected.
3) At the manual range mode, when the scale of the value
to be measured is unknown beforehand, select the
highest range first and lower the range gradually.

4.11 Measuring Frequency

4.11.1 Plug the black test lead into the COM jack and the
red test lead into the Hz jack.
4.11.2 Set the rotary selector to the Hz range position (or
press the "Hz/DUTY" button at the AC/DC V range
to switch to Hz measurement).
4.11.3 Connect test leads to the two ends of the source or
load for measurement.
4.11.4 Take the reading on the main indicator of the LCD.
i!7

4.12 Measuring Duty

4.12.1 Plug the black test lead into the COM jack and
the red test lead into the Hz jack.
4.12.2 Set the rotary selector to the Hz range position.
4.12.3 Press the "Hz/DUTY" button to switch to DUTY
measurement (or press the "Hz/DUTY" button
at the AC/DC V range to switch to DUTY
measurement).
4.12.4 Connect test leads to the two end of the source
or load for measurement.
4.12.5 Take the reading on the main display of the LCD.

4.13 Measuring DC Current

,&. WARNING
Beware of Electrocution.
Turn off the power of the circuit to be
measured
befo re connecting the meter to the circuit.
4.13.1 Plug the black test lead into the COM jack. When
the current to be measured is under 400mA, plug
the red test lead into the mAjack; when the
current to be meas u red is over 400mA but under
1 OA, plug the red test lead into the 1 OAjack.
4.13.2 Set the rotary selector to the ::= A range position.
4.13.3 Press the "SELECT" button to switch to DC
measurement. Then press the "RANGE" button
to choose the auto range or manual range mode.
4.13.4 Connect the test leads to the circuit for
measurement.
4.13.5 Take the reading on the main indicator of the LCD.
The polarity sy mbol denotes the polarity of the
end connected by the red test lead.
i!B

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