Keithley 2601 Reference Manual page 465

Series 2600 System SourceMeter® Instruments Reference Manual
Figure 16-4
Connections for contact check 0Ω calibration
b. Allow the readings to settle, then get the Series 2600 readings:
c. Connect a 50Ω resistor between the sense low and output low terminals, as shown in
d. Allow the readings to settle, then get the Series 2600 readings:
e. Send the contact check low calibration command:
f.
g. Send the contact check high calibration command:
2600S-901-01 Rev. C / January 2008
Output
LO
WARNING:
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
G G HI G S LO
S G
HI LO
CAT I !
CHANNEL B
DIGITAL I/O
MADE IN
U.S.A.
IEEE-488
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
CAUTION:
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
Model 2602/2612 Channel A
connections shown
r0_hi, r0_lo = smua.contact.r()
Figure 16-5. Also connect a second 50Ω resistor between the sense high and output
high terminals as shown in the figure.
r50_hi, r50_lo = smua.contact.r()
smua.contact.calibratelo(r0_lo, Z_actual,r50_lo,50_ohm_actual)
Where:
r0_lo
Z_actual
r50_lo
50_ohm_actual
Typical values:
smua.contact.calibratelo(r0_lo,0,r50_lo,50.15)
(Where r0_lo and r50_lo are measurements taken in steps 2 and 4 above.)
smua.contact.calibratehi(r0_hi, Z_actual,r50_hi,50_ohm_actual)
Where:
r0_hi
Z_actual
r50_hi
50_ohm_actual
Typical values:
smua.contact.calibratehi(r0_hi,0,r50_hi,50.15)
(Where r0_hi and r50_hi are measurements taken in steps 2 and 4 above.)
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Output
HI
Sense
Sense
LO
HI
CHANNEL A
U L
!
S CAT I S
C US
LO LO G HI G G G HI
LISTED
SourceMeter
4ZA4
LINE FUSE LINE RATING
! SLOWBLOW 100-240VAC
3.15A, 250V 50, 60Hz
240VA MAX.
RS-232
!
R
TSP-Link
Series 2600 0Ω low measurement
actual zero value
Series 2600 50Ω low measurement
actual 50Ω resistor value
Series 2600 0Ω high measurement
actual zero value
Series 2600 50Ω high measurement
actual 50Ω resistor value
Section 16: Calibration
16-19