Fluke 732a - Page 26

732A
Table
4-1.
Required Test
Equipment
TYPE
REQUIRED
SPECIFICATIONS RECOMMENDED
MODEL
PROCEDURE*
Certified
732A
As
required
by
the
user
Fluke
732A**
A, B
Four
to
Nine Cell
Bank
of
Standard
Cells
As
required
by
the user
9152P/4
or
9
Guildline Instruments
A, C
Voltage
Divider
7 decade,
0.1
ppm resolution
0.1
ppm
absolute
linearity
Fluke
720A
C
Null
Detector
1
/iV
full-scale
sensitivity.
10
MQ input
resistance.
ZERO/
OPR
switch
must
open
circuit
input
terminals
in
ZERO
position.
Fluke 845AB, AR
8
.
C
Adjustable
Source
10
V dc output
1 pN
resolution
0.3
ppm
-h
2
/iV
uncertainty
Fluke
5440A C
Multimeter
A
4
V
2
-digit display
20
kfl
resistance
range
200
mV to 200V ac
or
dc
Fluke
8050A, 8060A
A
D,
£
Multimeter
B
6
’/
2
-digit display
10V dc
range,
100
/i/V
resolution
IV dc range,
10
/uV
resolution
Fluke
8500A,
8502A
B, E
Rheostat
50
kn,
'A\N
Fluke
P/N
484089
D
Varlac
120V, 1
A, metered
GenRad
W5MT3A
D
Load
Resistor
1
kD,
VjW Carbon
Composition
Fluke
P/N
108597
8
,
D
Adjustment
Tool
Supplied
with
732A
Fluke
P/N
686113
AB.C
•
A
=
Acceptance
Test
B
=
Calibration,
procedure
A.
C
=
Calibration,
procedure
B.
D
=
Battery
charger
adjustment
E
=
Troubleshooting
“The
732A
selected
for use as
the
Certified
732A in
Calibration
Procedure
A should
be
calibrated at
a
calibration
facility
whose
transfer
uncertainties
are
consistent
with the
user’s
needs.
4-11.
COVER
REMOVAL
4-12. Use
the
following
procedure
to
access
the
interior
of
the
732
A
(Refer
to
Figure
4-1)
1.
Remove
all
screws
securing
the top
and/or
bottom
cover(s).
2.
Lift the
cover(s)
off the
instrument.
4-13.
REAR
MODULE
REMOVAL
4-14.
There
are
two
modules
located
in the
rear
of the
732A;
The
AC
Module
and
the
Battery
Module.
Use
the
following
procedure
to
remove
either
of the rear
modules
(Refer
to
Figure
4-2):
NOTE
Either
module,
but
NOT
both, may be
removed
without
loss
of
standardization.
If
the
AC
Module
is
removed,
ensure
that the
rear
panel,
BATTERY
OPR
switch is set to
ON
and
that
the
battery
is
charged
before
removing
the AC
Module.
This will insure
continued
standardization.
1,
Remove
the
screws
securing
the module to the
rear
of the
instrument.
2.
Pull
the
module
out
from the rear
of the
instrument.
4-2