Probe Compensation - UNI-T UTD4000 Series User Manual

Probe Compensation

When connecting the probe to any input channel for the first
time, perform this adjustment to match the probe to the
channel. Skipping the compensation calibration step will
result in measurement error or fault. Please adjust probe
compensation as follows :
1 . Set the probe attenuation factor to 10X. Move the switch
on the probe to 10X and connect the probe to CH1.
When using a hook-tip, ensure it is well connected to
the probe. Connect the probe tip to the output terminal
of the probe compensator s signal connector, and the
ground clamp to the ground cable connector of the
probe compensator. Activate CH1 then press [
10
'
AUTO ].
UTD4000 Four-channel User Manual
2. Observe the displayed waveform.
Overcompensation Correct Compensation Undercompensation
Figure 1-10 Probe compensation calibration
"
3. If you see an Undercompensation
" "
Overcompensation waveform display adjust the
adjustable capacitance tab of the probe with a
-
screwdriver with non metal handle until a
"
Compensation waveform shown in the above figure is
.
displayed
Warning : To avoid electric shock when measuring high
voltage with the probe
insulation lead is in good condition. Do not
touch the metal part of the probe when
connected to HV power.
"
or
,
, "
Correct
, '
ensure the probe s