11
Frequency/Duty measurement
1) Turn the knob to “Hz%” and switch Frequency or Duty
function by "FUNC." key
2) Insert the
red
probe in “
” terminal, insert the black
probe in “COM” terminal.
3) Contact the probe to the measured circuit (connect to the
measured power supply or circuit in parallel), measure the
frequency and duty.
4) Read the measurement result on the screen.
WARNING
The voltage above 10V can’t be measured; otherwise the instrument
may be damaged.
Pay special attention to safety when measuring high voltage to avoid
electric shock or personal injury.
Test the known voltage with the meter before use, confirm the instrument
function is intact.
Caution:
To avoid damaging instruments or equipment, do not
enter frequency or duty cycle signal greater than 10V valid value.