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4349B
Channel
key
The
Channel
key
selects
channel
to
be
displayed
or
whose
value
is
to
be
set.
The
channel
selection
is
indicated
by
the
sux
of
the
displayed
parameter
such
as
R ,
I ,
or
V .
The
channel
key
is
not
the
key
which
selects
the
measurement
channel,
because
the
4349B
always
preforms
a
measurement
simultaneously
on
all
four
channels
.
V
oltage
Entry
K
ey
The
V
oltage
Entry
key
is
used
to
enter
the
test
voltage
value
which
the
4349B
uses
to
calculate
and
display
the
resistance
value
.
The
available
values
are
from
00
V
to
5
kV
with
0.1
V
resolution.
The
current
setting
value
,
V1
(or
V2 ,
V3 ,
V4 )
is
displayed
along
with
the
measurement
result.
The
default
value
is
0
V.
Measurement
Time
K
ey
The
Measurement
Time
key
sets
the
measurement
time
mode:
10
ms,
30
ms,
100
ms,
or
400
ms.
The
current
setting
is
indicated
by
the
Meas
Time
annunciator(
9
).
The
default
measurement
time
is
30
ms
.
A
verage
K
ey
The
A
verage
key
sets
the
measurement
averaging
rate
.
The
4349B
averages
the
measurement
results
automatically
.
A
veraging
rate
can
be
set
from
1
to
256.
The
default
averaging
rate
is
1.
Measurement
P
arameter
K
ey
The
Measurement
P
arameter
key
selects
the
measurement
parameter
.
The
4349B
has
the
following
measurement
parameters:
R
Resistance
(calculated
from
the
measured
I
value
and
voltage
value
entered
by
)
I
Current
The
currently
selected
measurement
parameter
is
displayed
on
the
left
side
of
the
measurement
display
.
The
default
measurement
parameter
is
R.
Note
The
V
displayed
with
R
or
I
is
not
a
measured
value
but
a
user-entered
value
entered
using
.
Show
Setting
K
ey
The
Show
Setting
key
changes
the
display
mode
of
the
Measurement
Settings
area.
Each
time
is
pressed,
the
displayed
information
is
changed
as
follows:
1.
Range
and
V
oltage
value
of
the
selected
channel
2.
A
veraging
rate
and
Trigger
delay
time
3.
Comparator
limits
of
the
selected
channel
3-4
Function
Reference
Содержание 4349B
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Страница 29: ...C Overload No Contact Operations Messages Instrument Errors Messages 2 GPIB Errors Messages 3 Index Contents 9 ...
Страница 42: ...4349B Figure 1 1 Power Cable Supplied 1 10 Getting Started ...
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Страница 173: ...4349B Figure 8 5 Current Measurement Additional Error Measurement Time 400 msec General Information 8 11 ...
Страница 176: ...4349B Figure 8 9 10 Additional Error Measurement Time 400 msec 8 14 General Information ...
Страница 210: ...4349B Figure B 1 Handler Interface Comparison Output Signals Diagram B 2 Handler Interface Installation ...
Страница 212: ...4349B Figure B 3 Handler Interface Input Signal Diagram B 4 Handler Interface Installation ...
Страница 216: ...4349B Figure B 4 A1 Main Board B 8 Handler Interface Installation ...
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