Fluke 8860A Operator's Manual page 54

Option
-007
External
Reference
007-2
1
'
Ttetor^Rrfe^ence option (-007),
when
enabled,
scales
the display
reading
*
t
-
t
in/Vnrv
it
substitutes for the internal reference
used by
the
analog
5r
a
;,"'.
TheTpJiri
"sXTtor
,h«
„,io
(
by
of
voltages
-
Vin to
Vrek.
So",
7
?-
«*
£«>"•
"
1*"'
S',-
Ssstb ssssv
sss
»
resistance to
differ
according to
the external
connection
to
Input Lo.
Table
007-1
.
Specifications
for
External
Reference Option
EXTERNAL REFERENCE
+1 0V
DC
to
±11.
QV
DC
Range
\
Display
Accuracy
.
5-1/2
DIGIT
4-1/2
DIGIT
..
3-1/2
DIGIT
.
Input Resistance
Maximum
Input
10(Vin/Vref)
(1
yr,
18°C-28
D
C)
add
to
specified
accuracy for
input
range
and function
±(.01%
+
2
Digits)
x (10
/Vref)
±(0.01%
+
2
Digits)
x
(10
/Vref)
±(2 Digits)
x (10 /Vref)
2
MO
when EXT REF
HI
is
tied to
INPUT LO
1
MQ
when EXT REF LO
is
tied to
INPUT LO
±11V EXT REF
HI to
LO
±1 IV
EXT REF LO
to
INPUT
LO
±11V EXT REF
HI to
INPUT
LO