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15.1 Adjustments
15-2
Adjusting the Voltage Range
1.
As shown in the figure below, connect the voltage output terminal of the AC
voltage/current standard to the voltage input terminal of the WT210/WT230 and
the voltage terminal of the standard power meter.
AC voltage/
current standard
2.
In step 2 of "Preparations" described earlier, select "rAnGE2 and press the
ENTER key. Display B changes to the voltage range of "15.00" V.
Display A
CAL
Display B
15.00V
Display C
Measured value (The measured value is displayed using 5 digits.)
3.
Set the output voltage of the generator so that the standard power meter reads
15.000 V.
4.
Wait for the measured value on display C to stabilize. Even in stable condition,
the value fluctuates up to approximately ±2 digits.
5.
Press the ENTER key. The adjustment value is confirmed. Display B shows
the next voltage range.
Display A
CAL
Display B
**.**V
Display C
Measured value (The measured value is displayed using 5 digits.)
6.
Set the output voltage of the standard according to the voltage range shown on
display B and output the signal.
7.
Repeat steps 4 to 6 to adjust the voltage range shown in the table below. The
type and the order of the voltage ranges that are displayed are fixed.
Voltage Range
(Shown on display B)
15.00 V
30.00 V
60.00 V
150.0 V
F 150.0 V
(F indicates that the line filter is ON)
8.
Turn OFF the output of the standard.
This complates the adjustment of the voltage range. The current range will be
adjusted next. If the current range is not to be adjusted, press the SHIFT key
here.
EUT: Equipment under Test
H
Voltage
Output
L
Terminal
Output Voltage of the Standard
15.000 V
30.000 V
60.000 V
150.00 V
150.00 V
V
±
C
±
EUT
V
±
C
±
V
±
C
±
V
±
Standard power
meter
A
±
IM 760401-01E
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