19
Frequency / Duty Measurement
1. Press the
button to turn on the device, press the
button
and choose the
function.
2. Insert the red probe into the
input socket and the black
probe into the “COM” input socket. Let the probe’s tips touch
one another, to check whether they are correctly connected.
3. Connect the probes’ tips (red probe is the positive pole, black
probe is the negative pole) in parallel to the measuring circuit,
measure the frequency and duty.
4. The measurement result is displayed on the screen.
WARNING:
•
Do not measure voltage above 250V; otherwise the
instrument might get damaged.
•
Pay special attention to safety when measuring high
voltage to avoid electric shock or personal injury.
•
Always test known voltage before using the device, to
ensure that device functions properly.
•
Do not touch the bare tips of the probes; when measuring
is finished, always remove the probes from the measuring
object and the device.