S-50 DC
● S-80 DC ● S-110 DC ● S-120 DC – USER MANUAL
13
4
Operating the device
4.1
Controls and displays
The controls and displays needed to operate the S-50 / 80 / 110 / 120 DC are on the front of the oper-
ating unit.
Fig. 4.1 Interface of the oparetion unit
Ammeter
Displays the current flowing through the test object
Voltmeter
Displays the voltage connected to the test object
HV adjuster
Adjuster for the high-voltage. Active only if it is in the leftmost position while enabling the
button.
"Unit on" lamp (white)
Lights up when the unit is switched on with the mains switch
and mains voltage is connected
"Ground terminal" lamp (yellow)
Lights up when the operating unit and high-voltage unit are grounded properly
Illuminated "HV On" button (green)
Button for switching on the high voltage (lights up, when operational readiness)
Illuminated "HV Off" button (red)
Illuminated button for switching off the high voltage (lights up when the high-voltage is switched on)
Mains switch
Key-switch
Primary fuses
"Load" selector switch
Switches between resistive and capacitive load
