Fluke 8505A - External Trigger

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