Introduction; Battery Eliminator; (A81); Current Shunt (80J-10) - Fluke 8021B Instruction Manual

8021
VOLTAGE RANGE
0.25V dc
to
30V rms
MAXIMUM
DC
INPUT
200V
dc
INPUT CAPACITANCE
<5 pF
AC-TO-DC TRANSFER
RATIO
.
1:1
RATIO ACCURACY
0.5
dB
at
10
MHz
5-
29.
BATTERY
ELIMINATOR
(A81)
6-
30.
The A8
1
Battery
Eliminator converts the 802
1
B from
battery to
ac-Iine
operation.
It
is
available
in
a
variety of line-power configurations,
as
shown
in Table 6-1.
When
connected
to the 8021 B
it
effectively
removes and
replaces
the
output of
the 8021
B
battery.
The battery
does not need
to be
removed from
the
circuit.
WARNING
DO NOT
SUBSTITUTE A CALCULATOR
TYPE BATTERY
ELIMINATOR FOR
THE
A81.
THESE
UNITS
DO NOT PROVIDE THE PROTECTION
NECESSARY FOR COMMON
MODE MEASUREMENTS
UP TO
500V DC.
ALWAYS
USE
THE MODEL
A81
FOR
AC-LINE OPERATION.
NOTE
The
"
BT
'
indicator
may
come on when
using the
A81.
This does not
affect
the operation
of the 8021
B.
6-31.
CURRENT SHUNT
(80J-10)
6-32.
Introduction
6-33.
The
Model
803-10 Current Shunt
extends
the current
measuring
capability of
the
DMM
to 10
amps
continuous
(20
amps
for periods not exceeding one
minute) dc
to 10
kHz
at
an
accuracy of ±0.25%
in
excess of the voltmeter accuracy.
Table
6-1.
A81 Model
vs
Input
Power
A81-100
100V
ac ±10%, 48
to
62
Hz
A81-1
15 115V
ac ±10%, 48
to
62
Hz
A81
-230-1
230V
ac
±10%,
48
to
62
Hz
(U.S.
type
plug)
6-6