Machine description – quick overview
Front view
099-008060-EW501
19.02.2013
15
Item Symbol
Description
0
1
Transport bar
2
Digital welding current display
3
Digital ambient temperature display
4
Voltage measurement point switch
The voltage can be measured either in the calibration device or by means of separate
measuring leads on the machine’s welding current sockets.
Internal voltage measurement in the calibration device
External voltage measurement by means of separate measurement leads
5
Open circuit voltage / load voltage changeover switch
U
0(60974-1)
Measurement of open circuit voltage
U
Load
Measurement of load voltage
6
Digital welding voltage display
7
Open circuit voltage rotary knob
In order to determine the open circuit voltage in accordance with EN 60974-1, the
rotary knob has to be rotated for as long as the highest voltage is indicated on the
digital welding voltage display.
8
Analogue mains current display for phase L3 (I
L3
)
9
Analogue mains current display for phase L2 (I
L2
)
10
Analogue mains current display for phase L1 (I
L1
)
11
Analogue mains voltage display
Measurement of the mains voltages according to primary voltage switch
12
Primary voltage switch
The mains voltage selected with the changeover switch is measured by means of the
analogue voltage display (U - Prim.).
Position 0
=
No measurement of the mains voltages
Position L1N
=
Measurement between phase L1 and neutral conductor N
Position L1L2
=
Measurement between phase L1 and phase L2
Position L2L3
=
Measurement between phase L2 and phase L3
Position L1L3
=
Measurement between phase L1 and phase L3
