Keithley 485 Instruction Manual page 15

Autoranging picoammeter
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10
CLEAR
722
@ CLEfiR
22
NAIT
1020
32
OUTPUT
722
; "CIRIX"
! 485;
set
to
2nA
range
and
enable
ZERO
CHECK.
42
BEEP
@ DISP
'A OJUST
'ZERO'
POT
ON 495
FOR
.0000
+/-1
COUNT.
"
50
DIsP
S0
DISP
"IF
DISPLAY
WILL
NOT
ZERO,
PRO-
CEEO
TO
P6RAGRAPH
5.7
IN
THE
48 SMANUAL.
70
OISP
80
DISP
,'PRESS
'CONT'
KEY
ON THE
HP
85
TOCONTINUE.
"
90
P6USE
100
CLEAR
@ BEEP
110
DISP
"CONNECT
?G3
OIJTPUT
TO
485
INPUT
(SEE
FICURE
2)
~ ~
120
DIS?
130
OISP
"PRESS
'CONT'
TO
CONTINUE.
"
140
PAUSE
152
06Th
1, .0000000019,2,.000000019,3,
.00000019,4,
.0000019,5,.000019,6,
.00019,7,
160
CLEAR
170
CLEAR
708
180
OUTPUT
708
; "F1R4UI
. gE-gx,
! 263;
program
for
1.9nA.
190
OUTPUT
722
; "CO X,,
!
4S5;
disable
ZERO
CHECK.
200
FOR
1=4
TO
10
210
REAO
J
~ZO
OUTPUT
722
~ ,,R,, ;J;
,,x,
! 485;
~e~ect
~ange,
230
OUTPUT
708
; R;
I;
,X<
! 265;
select
range.
240
OUTPUT
708
; "Z101X"
! 263;
output
zero
amp5.
2S0
WAIT
3000
260
OUTPUT
722
; "ZIXS'
!
485;
enable
REL
to
cancel
Of
270
REAO
J@ WAIT
2000
~sO
OUTp UT
708
; ,,zOx,,
!
~E~;
source
programmed
outpu
290
Wfl IT
2000
5et
.
300
OUTPUT
722
; "V''; J;
"X,"
! 485;
send
calibration
value.
310
OUTPUT
722
; "ZOX"
!
485;
disable
REL.
320
NEXT
I
330
BEEP
@ OISP
"TO
STORE
C6L
CONSTANTS,
PRESS
'CONT'
. "
340
PAUSE
350
OUTPUT
722
; '"LOX,'
!
485;
store
cal
constants.
560
CLEhR
@ BEEP
370
DISP
"CfiLIBRATION
COMPLETE"
380
END
485 CALIBRATION PROGRAM

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