Keithley 2001 Calibration Manual

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.

Keithley 2001 Specifications

General

Model	2001
Category	Multimeter
Manufacturer	Keithley
Type	Digital Multimeter
Digits of Resolution	7.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Frequency Range	3 Hz to 500 kHz
Connectivity	GPIB, RS-232
Display	VFD
Resistance Accuracy	0.008% + 2.0 mΩ
Frequency Accuracy	±0.01%
DC Current Range	10 μA to 3 A
AC Current Range	10 μA to 3 A
Power Supply	100 V to 240 V AC, 45 Hz to 66 Hz