4263B
Performance
Tests
Introduction
This
section
provides the
test procedures
used to
verify that
the 4263B
's specications
listed in
Chapter
8
are
met.
All
tests
can be
performed without
access to
the interior
of
the
instrument.
The
performance
tests
can
also
be
used to
perform incoming
inspection, and
to verify
that
the
4263B
meets
its
performance
specications
after troubleshooting
or adjustment.
If the
performance
tests
indicate that
the 4263B
is
NO
T
operating
within
the
specied
limits
,
check
your
test
setup,
then proceed
with troubleshooting
if necessary
.
Note
Allow the
4263B
to
warm
up
for
at
least
15
minutes
before
you
execute
any
of
the
performance
tests
.
Note
P
erform all
performance
tests
in
ambient
conditions
of
23

C
6
5

C,

70%
RH.
T
est
Equipment
Table
9-1 lists
the
test
equipment
required
to
perform
the
tests
described
in
this
section.
Use
only
calibrated
test instruments
when
performance
testing
the
4263B
.
Equipment
which
equals
or
surpasses
the key
required
specications
of
the
recommended
equipment
may
be
used
as
a
substitute
.
Calculation
Sheet
The
calculation
sheet
is
used
as
an
aid
for
recording
raw
measurement
data,
and
for
calculating
the
performance
test
results
.
The
performance
test
procedure
gives
the
test
sequence
for
performing
a
test,
the complete
set
of
measurement
data
are
recorded
on
the
calculation
sheet,
the
results
are
calculated
using
the
equations
given
on
the
calculation
sheet,
and
the
results
are
transcribed
to
the
performance
test
record.
The
procedure
for
using
the
calculation
sheet is:
1.
Photo
copy
the calculation
sheet.
2. F
ollow the performance test procedure
and record the measurement values
, the 4263B 's
reading, etc
., into the specied column on
the calculation sheet.
3. Calculate the test result using the appropriate equation given on the calculation sheet, and
record the test result into the T
est Result column of the performance test record.
Maintenance 9-3
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