Megger 128311841, Operating Manual

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Operating Manual
11
HV Tester 25 kV
4 OPERATING INSTRUCTIONS
4.1 Controls and displays
The controls and displays needed to operate the HV Tester are on the
front of the operation unit.
1 2 3 4
13 12 11 10 9
Figure 4 Front of the HV Tester 25 kV
The following tables explain the controls:
Item Description Remarks
1 Ammeter Displays the current flowing through the
test object
2 Voltmeter Displays the voltage connected to the
test object
3 HV adjuster Adjuster for the high-voltage with forced
zero position
4 "Unit on" lamp Lights up white when the unit is
switched on with the mains switch [8]
5 "Ground
terminal" lamp Lights up yellow when the HV Tester is
grounded properly
6 Illuminated
"HV on" button Green lit button for switching on the high
voltage
7 Illuminated
"HV off" button Illuminated button for switching off the
high voltage (lights up when the high-
voltage is switched on)
8 Mains key switch
9 Timer
10 "Current
measuring range"
selector switch Switches between the current
measuring ranges or 'AUTO'
11-13 LED's for Power supply, internal batteries and
external batteries
Table 2 Controls and displays (part 2)
5
6
7
8