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General
Information
Model
1920
TABLE 1-l
1920
Specifications
5-l/2
Digit
Accuracy,
+(% Rdg + Counts),
1
yr
18-28'C
5-l/2
Digit
20-50Hz"
DC, 50Hz-lOkHz*
lOK-20kHz"
20kHz-lOOkHz**
Range
RESOLUTION
2v
1OPV
1% t
100
0.25%
t 100
0.35%
+ 300
1% t 500
2ov
lOOld
1% t 100
0.25%
t
100
0.35%
+ 300
1% t 500
2oov
1mV
1% t
100
0.25%
+ 100
0.35%
+ 300
1% t 500
7oov
1OmV
1% t 100
0.354:
t 100
0.5% + 300
1% t 500
RESPONSE:
CREST FACTOR
AC + DC MODE:
riAxIriuri
INPUT:
SETTLING
TIME:
INPUT
IMPEDANCE:
TEMP.
COEFFICIENT:
3dB BANTMIDTH:
CFIRR:
TRUE RFlS
Add 60 counts
to specified
accuracy
(not
wailable
in
We1
191)
1OOOV Peak AC + DC, 2 x lo7
V* Hz
0.5
set
to within
0.1% of
change
in
reading
211 ohm shunted
by less
than
5OpF.
(O"-18OC
and 28"-5O'C):
Less
than
0.1
x applicable
accuracy
specification
per
"C below
50kHz;
0.2
x for
50kHz
to 1OOkHz
500kHz
Typical
Greater
than
60dB
at 50 and 60Hz
(lk
ohm unbalanced)
* Above
2000
counts
**
Above
20000
counts;
3% + 500 typical
below
20000
l-2
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