16
3.4 Switch on
Danger! High-voltage
When using surge mode:
Cordon off surge voltage generator at a distance of 1.5 m
Persons must stand only outside the barrier
Turn variable transformer (11) to its left position.
Set range selector switch (15) to the desired range 8 /16 /32 kV.
Pull out knob, turn to desired position and push back to its stop.
Switch on mains switch (1)
The instrument is in operating condition "READY FOR OPERATION"
→ the green indicator lamp (9) is illuminated
Press pushbutton switch „Ready to switch on“ (2). In case the overcurrent protection
switch (14) has tripped, a buzzing sound occurs during depression of the „Ready to switch
on“ (2) pushbutton switch. Activating the pushbutton
switch is accepted by the instrument only if
→ the overcurrent protection switch (14) has not been tripped
→ the EMERGENCY OFF switch (10) is not activated,
→ the external EMERGENCY OFF unit (option) was not activated resp.
The jumper plug is plugged in on the back plate.
The instrument is in operating condition „READY TO SWITCH ON“.
→ the green indicator lamp (9) is out
→ the red indicator lamp (8) is illuminated
→ the discharge unit no longer affects the high voltage output
→ if the automatic impulse sequence is selected, the triggerable spark gap will be
activated at regular intervals. Other possibilities are tripping of a single impulse
or in the D.C. position a continuously closed spark gap.
Press pushbutton switch „High Voltage On“ I (3).
The high voltage transformer will be connected to the mains voltage only, if
→ the adjusting transformer is in its left position (neutral position)
→ the range selector switch (15) is depressed to its stop
The instrument is in operating condition „IN OPERATION“.
→ the indicator lamp „In Operation“ of the push-button
switch „High Voltage On“ I (3) is illuminated
Set variable transformer to the desired voltage
→ On the kV-meter the valid scale is the one pertainingthe voltage range
selected by the range selector switch (15).
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