HT63
EN - 11
4.3.3. Frequency and Duty Cycle measurement
CAUTION
The maximum input AC voltage is 1000V. Do not measure voltages
exceeding the limits given in this manual. Exceeding voltage limits could
result in electrical shocks to the user and damage to the instrument.
Fig. 4: Use of the instrument for frequency measurement and duty cycle test.
1. Select position Hz%.
2. Press the Hz% key to select measurements
“Hz” or “%” in order to display the values of
frequency and duty cycle of input voltage.
3. Insert the red cable into input terminal VHz%CAPTemp (HT62) and the black
cable into input terminal COM.
4. Position the red lead and the black lead respectively in the spots of the circuit to be
measured (see Fig. 4). The value of frequency (Hz) or of duty cycle (%) is shown on
the display. The bargraph is not active in these functions.
5. If the display shows the message "O.L", select a higher range.
6. To use the HOLD and HIRES function, see § 4.2.
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