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1 Description
1.1 General
The control unit HSW 3-2 is part of a complete high voltage test
system and is used to trigger the HV devices and to display
current and voltage.
The instrument disposes of some control elements and indicator
lamps for operation status indication.
The HSW 3-2 is either delivered as a stand-alone version for
portable operation or as table version for test van assembly.
The two versions differ in the position of the connection panel
which is either placed at the right side (stand-alone version) or at
the bottom of the device (test van version). A conversion from one
version to the other can be performed without any difficult.
1.2 Functions
a. Power supply unit
b. Variac with Zero limit switch
c. Meters for current and voltage measurement
d. Programmable timer with indication of the residual time
e. Operating elements with indicating lamps
f. Limiting resistance with fan
g. Safety circuit and indicating lamps acc. to VDE 0104
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