Introduction and Specifications
SPECIFICATIONS
Table
1-1.
Specifications (cont)
TRUE
RMS
AC
VOLTAGE
(OPTION
-09)
input Characteristics
RESOLUTION
FULL SCALE INPUT
RANGE
5%
DIGITS
5%
DIGITS
4%
DIGITS*
IMPEDANCE
200
mV
199.999
mV
IN
10
fl
1
Mi2
2V 1.99999V 10 pV 100 pV
shunted
20V 19.9999V 100 pV 1
mV
200v
by
199.999V 1
rnV
10
mV
<I00
pF
700V 700.00V
10
mV
100 mV
'4% digits at the fastest reading rate.
Accuracy
NORMAL (S) READING RATE
.
.
.
.
.
.
.
.
.
.
.
&(Oh of Reading
+
Number
of
Co~nts).~
For sinewave inputs
210,000
counts1.
FREQUENCY (Hz)
24
HOURS2
23f
1
O
C 90 DAY
23fS°C 1
YEAR
23fS°C
l
For sinewave inputs between
1,000
and
10.000
counts, add to Numbergf Counts
100
counts forfrequencies
20
Hz to
20
kHz,
200
counts for
20
kHz to
50
kHz, and
500
counts for
50
kHz to
100
kHz.
Relative to calibration standards.
When in fast reading rate with internal trigger
and
transmitting data
out
of
the
IEEE-488
interface, the 8840A
display must be blanked (command
Dl)
to ensure stated accuracy.
MEDIUM AND FAST READING RATES
. . .
In medium rate, add
50
counts to number of counts. In fast rate
the specifications apply for sinewave inputs
21000
counts and
>I00
Hz.
NONSINUSOIDAL INPUTS
. .
.
. .
.
.
. .
.
.
.
.
.
.
For nonsinusoidal inputs
210,000
counts with frequency
components
GI00
kHz, add the following
YO
of reading to the
accuracy specifications.
FUNDAMENTAL CREST FACTOR
FREQUENCY
1.07-0 1.5 1.5
TO
2.0 2.0
TO
3.0
45
Hz
to
20
kHz
0.05 0.15 0.3
20
Hz to
45
Hz and
20
kHz to
50
kHz
0.2 0.7 1.5
Operating Characteristics
MAXIMUM INPUT
.
.
.
.
.
.
.
. .
.
. .
.
.
.
.
. .
.
. . .
.
700V
rms,
lOOOV
peak or2x 107Volts-Hertz product (whichever is
less)
for any range.
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