User guide

HT327
EN - 15
4.3.8. Frequency measurement
CAUTION
The maximum input for AC voltage is 750Vrms. Do not attempt to measure
higher voltages to avoid electrical shocks or damages to the instrument.
Fig. 9: Using the instrument for Frequency measurement
1. Selecting the position Hz.
2. Insert the test leads into the jacks, the red plug into V Hz A jack and black plug
into COM jack
3. Connect the test leads to the circuit under test (see Fig. 9). The frequency value will be
displayed.
4. Pressing the R/SEL key to select the correct range or using the Autorange feature (see
§ 4.2). If the frequency value under test is unknown, select the highest range
5. If the message "O.L" is displayed the maximum readable value is reached.
6. For HOLD function, Minimum and Maximum value measurement and Relative measure
please refer to § 4.2.