Keithley 7012-S Service Manual

SECTION
2
Calibration
3.
Over the
1EEE488 bus, send the
following
command
to
enter the
calibration
mode:
cox
! Enter calibration
mode
Note:
All other
calibration
commands
(Cl through
C59)
will
be ignored
unless
the
CO
command is
first
sent over the
bus.
4. Send
the following
command
over
the 1EEE488
bus:
C42X
!
Calibrate
offset;
inA
measure
range
Note:
Calibration
takes
20 seconds
to complete.
5,
Place
the
Model
263
in
OPERATE
to source
O.9nA
to
the
Model
236/237.
6. Send the
following
command over
the bus:
C43,O.9E9X
!
Calibrate gain;
inA measure
range
Note:
Calibration
takes
20 seconds to complete.
7,
Place the
Model
263
in standby
and
set
it
to
9nA.
8.
Send
the following
command
over
the bus:
C44X
! Calibrate
offset; lOnA meas
ure
range
Note:
Calibration takes
10 seconds
to complete.
9, Place the Model
263
in
operate
to source 9nA
to
the
Model
236/237.
10. Send
the
following
command over the
bus:
C45,9E—9X
!
Calibrate gain;
lOnA measure
range
Note:
Calibration
takes
10 seconds
o complete.
11. Place
the Model
263
in standby
and
set
it
to 9OnA.
12. Send
the following
command over the
bus:
C46X
!
Calibrate
offset; lOOnA
meas
ure
range
Note:
Calibration takes 4 seconds
to complete.
13. Place
the
Model
263
in OPERATE
to
source
9OnA
to
the Model
236/237.
14. Send the following
command
over the bus:
C47,9OE9X
!
Calibrate
gain; lOOnA measure
range
Note: Calibration
takes 4
seconds
to
complete.
15.
Place the Model
263
in
standby and
set
it
to O.9iA.
16. Send
the following
command
over
the bus:
C48X !
Calibrate
offset;
1iA
measure
range
17. Place
the Model
263
in OPERATE.
18. Send
IO9iA
(from
Table
23)
over
the bus
with
the C49
command
as follows:
C49,Io9AX
! Calibrate gain; ljiA
measure
range
For
example, if
Io9LA
=
O.90036jiA, send
C49,O.9OO36E6X.
19. Place the Model
263
in standby and
set it
to
9j.tA.
20. Send
the following command
over
the
bus:
C5OX !
Calibrate offset;
lOjiA
meas
ure range
6172
2-SIot
to
3Lug
Female
Triax
adapter
0000BOB
00:,
263 Source
(Source
1)
Note
: 263
GUARD
enabled
Figure
25.
Current Ranges
Calibration
(inA
to
lOmA)
242

Keithley 7012-S Specifications

General

Brand	Keithley
Model	7012-S
Category	Measuring Instruments
Language	English