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8505A
Table
1-3.
Specifications (cont)
DC
RATIO
(cont)
Operating
Characteristics (cont)
Digitizing
Time
For
2° to
2'
7
samples
per reading
digitizing
time
is
from 196
ms
to9
minutes
6
seconds
using
a
60
Hz
ac
line
with times increasing
20%
using
a
50
Hz
ac
line.
Selectable
in
18 binary
steps.
MAXIMUM
RATIO DISPLAY
+1.00000
E±9
EXTERNAL TRIGGER
INPUT
Polarity
High
Level
Low
Level
Pulse Width
Connector
Maximum
Input
Maximum
Shell to
Ground
May
be wired
internally for either rising or
falling
edge. Factory wired
for
falling
edge.
+4.3V
(minimum)
+0.7V
(maximum)
10
fjs
(minimum)
BNC
with the
outer
shell
at
interface
common
±30V
±30V
SCAN ADVANCE OUTPUT
Polarity
High
Level
Low
Level
Pulse Width
Connector
Maximum
Shell
to
Ground
Positive
>+4V
(TTL
High)
<+0.7V
(TTL Low)
3
/js
(minimum)
BNC
with the
outer
shell
at
interface
common
±30V
13.25
cm
r
*
(5.219
in)
5.72
cm
3.77
cm
(1.484
in)
FRONT
VIEW
(4.25
in)
1.27
cm
(.5 in)
41.66
cm
(16.4
in)
-
46.23
cm
(18.2
in)
RIGHT
SIDE
VIEW
Figure
1-1.
Dimension Drawing
1-6
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