Keithley 2001

Calibration
2-14
Table 2-7
Low-level calibration summary
Calibration signal Calibration command Comments
Low-thermal short
+2V DC
+20V DC
20k¾
1M¾
Disconnect leads
None
None
None
None
20V AC @ 1kHz
20V AC @ 30kHz
200V AC @ 1kHz
200V AC @ 30kHz
1.5V AC @ 1kHz
200mV AC @ 1kHz
5mV AC @ 100kHz
0.5mV AC @ 1kHz
+2V DC
-2V DC
0V DC
20mA AC @ 1kHz
+200mA DC
+2A DC
2V rms @ 1Hz
None
None
None
None
None
None
:CAL:PROT:DC:ZERO
:CAL:PROT:DC:LOW <value>
:CAL:PROT:DC:HIGH <value>
:CAL:PROT:DC:LOHM <value>
:CAL:PROT:DC:HOHM <value>
:CAL:PROT:DC:OPEN
:CAL:PROT:DC:CALC
:SYST:ERR?
:CAL:UNPR:ACC
:SYST:ERR?
:CAL:PROT:LLEV:STEP 1
:CAL:PROT:LLEV:STEP 2
:CAL:PROT:LLEV:STEP 3
:CAL:PROT:LLEV:STEP 4
:CAL:PROT:LLEV:STEP 5
:CAL:PROT:LLEV:STEP 6
:CAL:PROT:LLEV:STEP 7
:CAL:PROT:LLEV:STEP 8
:CAL:PROT:LLEV:STEP 9
:CAL:PROT:LLEV:STEP 10
:CAL:PROT:LLEV:STEP 11
:CAL:PROT:LLEV:STEP 12
:CAL:PROT:LLEV:STEP 13
:CAL:PROT:LLEV:STEP 14
:CAL:PROT:LLEV:STEP 15
:CAL:PROT:LLEV:CALC
:SYST:ERR?
:CAL:PROT:DATE “<date>”
:CAL:PROT:NDUE “<due>”
:CAL:PROT:SAVE
:CAL:PROT:LOCK
Comprehensive cal zero.
Comprehensive cal 2V.
Comprehensive cal 20V.
Comprehensive cal 20k¾.
Comprehensive cal 1M¾.
Comprehensive cal open.
Calculate constants.
Check for DC errors.
AC user calibration.
Check for AC errors.
Low-level Step 1.
Low-level Step 2.
Low-level Step 3.
Low-level Step 4.
Low-level Step 5.
Low-level Step 6.
Low-level Step 7.
Low-level Step 8.
Low-level Step 9.
Low-level Step 10.
Low-level Step 11.
Low-level Step 12.
Low-level Step 13.
Low-level Step 14.
Low-level Step 15.
Calculate constants.
Check for errors.
Program cal date
Program cal due date.
Save constants.
Lock out calibration.