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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