Gw Instek GPT-9801 Insulation measuring device, GPT-9801 User Manual
Product codes
GPT-9801
GPT-9000 Series User Manual
42
Setting a Reference Value
Background
The REF# acts as an offset. The REF# value is
subtracted from the measured current (ACW,
DCW) or measured resistance (IR, GB).
subtracted from the measured current (ACW,
DCW) or measured resistance (IR, GB).
Steps
1. Press the UP / DOWN arrow keys
to bring the cursor to the
REF# setting.
REF# setting.
I R
G B
m A
A CW
D CW
I / L
H
O
I M E
T
R
E
F R E Q =
0 H z
6
0
100
k
V
R
A C
=
F F
O
I
D
E
M
T I
E
= 0 0 1 . 0 S
R
0 0 m A
E
R F
=
#
0 .
0
M
M A U
N
N A
_
1 . 0 0 m A
0
L
E
S
= 0
T
0 0 . 1 S
0
A M P
=
R
T
2
M A N U = * * * - 0 0
cursor
2. Use the scroll wheel to set the
REF# value.
ACW
DCW
IR
GB
DCW
IR
GB
0.000mA~HI SET current-0.1mA
0.000mA~HI SET current-0.1mA
0000MΩ~HI SETΩ-1MΩ
000.0mΩ~HI SETΩ-0.1mΩ
0.000mA~HI SET current-0.1mA
0000MΩ~HI SETΩ-1MΩ
000.0mΩ~HI SETΩ-0.1mΩ
Note
For GB tests, a reference offset can be
automatically created using the zeroing function.
See page 67 for details.
automatically created using the zeroing function.
See page 67 for details.