Auto Range; Hardware/Software Agc - Chroma 19020 User Manual

Multi-channel sync hipot tester
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4.8.6 Auto Range

1.
Set Auto Range to ON.
2.
The "LIMIT" shown in the figure below shows the tester is set to the high current range.
TEST – 1/2
MODE CH
01
02
03
04
05
AC
06
07
08
09
10
STANDBY
3.
If the tested current can be displayed by the low current range 0.6 seconds before the
test ends, the current range will automatically change to the low current range as shown
in "LIMIT" in the figure below.
TEST – 1/2
MODE CH
01
02
03
04
05
AC
06
07
08
09
10
TEST: 0.0s

4.8.7 Hardware/Software AGC

The AGC function compensates for the effect of a changing load on the output voltage.
ACV
: H/W AGC always ON, S/W AGC default is ON but can be set to OFF.
DCV
: H/W AGC always ON, S/W AGC default is ON but can be set to OFF.
IR
: No H/W AGC, S/W AGC is ON but can be set to OFF.
OSC
: No H/W AGC, S/W AGC is OFF.
Position 1
SOURCE
LIMIT
0.500kV
10.00 mA
0.500kV
10.00 mA
0.500kV
10.00 mA
0.500kV
10.00 mA
0.500kV
10.00 mA
0.500kV
10.00 mA
0.500kV
10.00 mA
0.500kV
10.00 mA
0.500kV
10.00 mA
0.500kV
10.00 mA
REMOTE LOCK
Position 1
SOURCE
LIMIT
0.500kV
0.050 mA
0.500kV
0.050 mA
0.500kV
0.050 mA
0.500kV
0.050 mA
0.500kV
0.050 mA
0.500kV
0.050 mA
0.500kV
0.050 mA
0.500kV
0.050 mA
0.500kV
0.050 mA
0.500kV
0.050 mA
REMOTE LOCK
RES.
RECALL
OFFSET
GET Cs
CLEAR
SLAVE
1 2 3 4 5 6 7 8 9
CORR
ERROR
RES.
RECALL
OFFSET
GET Cs
SLAVE
1 2 3 4 5 6 7 8 9
CORR
ERROR
Operation
4-29

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