Ac Frequency Current Measurement - HT HT4020 Manual De Instrucciones

4.3.6. AC Frequency current measurement

1. Select the " " position
2. Press
3. Open the jaws and clamp only one cable. Pay attention to the alignment marks (see §
4.1.2. and Fig. 9). The value of frequency is shown on display
4. The symbol "O.L" means that the measured voltage is higher than the full scale of the
instrument. The symbol "LO" is shown in case of wrong connection of the instrument
(see Fig. 9) or for measured values lower that the minimum range
5. For HOLD and MAX/MIN/AVG features refer to § 4.2.1 and § 4.2.3
6. Press
(see § 4.3.5).
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Before attempting any measurement disconnect all the test leads from the
circuit under test and from the meter's input terminals.
Fig. 9: Use of instrument for AC current frequency measurement
FUNC key to select Hz function
FUNC key to escape this mode going back to current measurement function
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