Datron 1061 Calibration And Servicing Handbook page 13

6
1.4 AC VOLTAGE CALIBRATION
-
OPTION
1O
ONLY
1
.4.1
General
1.4.2
Equipment
Required
The
procedure
in
the table opposite is
all that
is
necessary
to
completely 'AUTOCAL'
the AC
voltage
function. On
each
range
just
a'Zero','Gain'
and
'AcHf'
calibration
is required.
lf
the 'DVM
Reading
After
Calibration' is
not
in
accordance
with the
table,
repeat
operation
of
the
same
'CALIBRATE' key is
permissible
to improve the readings'
This
will
be necessary
with
the
AcHf
key.
A
copper shorting
link
and an
AC calibration
source
e.g.
Datron 4200 Autocal
AC Standard.
1.4.3 Checking Accuracy
after'AUTOCAL'
To
check
the
accuracy
after
'AUTOCAL'the
'Speci-
fication Verification'
section
of
the Operating
Handbook
will
be useful.
lt
provides tables
for
quick
reference
of
accuracy
on all
ranges
and functions
ín
displayed
digits.
I