Probe Compensation - UNI-T UTD2025C Operating Manual

Operating Manual for UTD2000/3000

Probe compensation

It needs to adjust it when connecting probe to any
input channel for the first time so that probe can be
appropriate to input channel. Probe without
compensation correction can also bring in
measurement tolerance or error. Please operate
according to following steps for adjustment of
probe compensation:
1. To set probe menu attenuation coefficient to
10× and place probe switch to 10× then connect
digital storage oscillograph probe to CH1. Please
guarantee reliable contact to probe. It has to
connect probe end to signal output connector
probe compensator then connect grounding clip to
earth wire connector of probe compensator. It also
has to power on CH1 and press [AUTO].
2 Observation of displayed waveform
Exceeding
compensation
compensation Figure 1 8
Compensation correction of probe
3. Adjust variable capacitance on the probe by
screwdriver of non-metallic handle for waveform
display of "insufficient compensation" or
"excessive compensation" shown in above figure
until "correct compensation" for waveform display
of
on the screen as above.
Warning: Please guarantee perfect insulation
conduits of probe and do not contact metallic part
of probe when connecting to HV source to avoid
electric shock of probe during HV measurement.
Correct
Insufficient
compensation
8