Fluke 8024B - Page 77

8024B
VARIABLE
CALIBRATOR
Figure
4-5.
BT
Test
4.
Program
the
DMM
Calibrator
for
a
UUT
input
of
190.0
mV
de.
5.
Adjust
the
variable
power
supply
until
the
BT
indicator
appears
in
the
UUT
display.
6.
Verify
that
the
DMM
display
is
between
+6.5
and
+7.5V
de.
7.
Decrease
the
output
of
the
variable
supply
until
the
DMM
displays
+6.0V.
8.
Verify
that
the
UUT
display
is
between
189.8
and
190.2
mV
de.
9.
Program
the
DMM
Calibrator
for
an
input
of
0V
de.
—
0.
On
the
UUT,
depress
the
Q/S
function
switch
and
2
kf
switch.
11.
Adjust
the
variable
power
supply
until
the
DMM
displays
+10.0V
de.
12.
Program
the
DMM
Calibrator
for
a
UUT
input
of
|
kQ.
13.
Verify
that
the
UUT
display
is
between
0.998
and
1.002.
14.
Adjust
the
variable
power
supply
until
the
DMM
displays
+6V
dc.
15.
Verify
that
the
UUT
display
is
between
0.998
and
1.002.