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INSTRUCTIONS
MODEL 416A
RATIO METER
Spec
ific
ations
Ranges
-
-
Percent Reflection
~
3
0
% to 10
0
%
10% to 30%
3% to 10%
Standi
ng Wave
R
atio
-
4
to 1
10 to
3
30 to 10
Dec
ibels
-
0 to
-
10
-1
0 to
-
20
=20 to
-
30
Input R ating
- -
Frequency
=
1.
000
cps
±
40 cps
Voltage (square wave
or
sine wave)
Incident
or Ref
erence
Channel:
3
m
v
to 100
mv rms
.
Reflected
or Probe Channel
:
O.
3 µv
to
100 mv rms
.
Input
lmpedanc e
=
=
App
r
oxim
a
tely 75
s
000 ohrns
9
bo
th
channels
.
Accuracy
--
1% to 3%
100 to 30
-3
0 to
-
40
±3%
of
full
scale
value
for
2
0
-
to
=
l
range
of
incident
or reference rf
power
.
Meter
C alib
ration
For use
with
square law detectors
.
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