Capacitance Measurement; Frequency And Duty Cycle Measurements - HT HT22D Bedienungsanleitung

5.5. CAPACITANCE MEASUREMENT

Before carrying out capacitance measurements on
circuits or capacitors, cut off power supply from the
circuit being tested and let all capacitance in it be
discharged. When connecting the multimeter and the
capacitance to be measured, respect the correct polarity
(when required)
Select position 
1.
2. Press the MODE key to select "nF" measurement
3. Insert the red cable into input terminal VmAAHz%
and the black cable into input terminal COM
4. Position the leads at the ends of the capacitor to be tested,
respecting, if necessary, the positive (red cable) and negative
(black cable) polarity (see Fig. 6). The display shows the value
of capacitance
"
5. The message O.L
exceeds the maximum measurable value
6. To use the HOLD function, see § 4.2

5.6. FREQUENCY AND DUTY CYCLE MEASUREMENTS

The maximum input for AC voltage is 6
attempt to measure higher voltages to avoid electrical
shocks or damages to the instrument
1. Switch on Hz%. "Hz" symbol is displayed
2. Insert the test leads into the jacks, the red plug into
VmAAHz%
3. Connect the test leads to the circuit under test (see Fig. 7 – left
part). The frequency value, with kHz or MHz units, is displayed
4. If the message "O.L" is displayed the higher range is reached
5. Pressing the Hz% key until the "%" symbol is shown at display to
meaning the Duty Cycle test and connect the meter as
frequency measurement. The measured value is displayed (s
Fig. 7 – right part)
6. For HOLD function please refer to § 4.2
33
CAUTION
"
indicates that the value of capacitance
CAUTION
jack and black plug into COM jack
HT22D
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V. Do not
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