Megger TDS40, Operating Manual, Page: 33 / 71

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4. Operating in Stand-alone Test Mode
This manual solely describes the operating of the test and diagnosis system
TDS40/60 in the stand-alone mode. For information on operating the system by
remote control in order to diagnose partial discharge please read the manual of
the operating system TDS NT.
4.1 VLF- / DC-Test
For high voltage tests by using the test and diagnosis system to be carried out, all
electrical connections must have been established as described in sections before.
Now the test system can be put into operation. After activation of the "Mains On"
pushbutton (Fig. 3, item 12) the system can be operated using the knob / push-button (Fig.
3, item 6) and the display (Fig. 3, item 3).
The following start menu is represented on the display (Fig. 3, item 3) after start-up:
Fig. 11: Start menu
A singular pressure on the knob / push-button (Fig. 3, item 6) will enable the operation
mode to be selected:
Fig. 12: Selection of the operation mode
Now the user is able to choose the operation mode out of VLF, DC– and DC+ (only
available on systems with two voltage sources) by turning the knob / push-button (Fig. 3,
item 6). The selection has to be confirmed by a singular pressure on the knob / push-
button (Fig. 3, item 6). Now it is possible to select the test voltage level:
*VLF mode
20kV
15min
Select Mode ? OK?
VLF mode
20kV
15min
F1:Print
F2:Setup
Ready . OK:Start