Keithley 2001 Quick Reference Guide

61
Table 24. CALibrate command summary
Command Description
:CALibration
:PROTected
:LOCK
:SWITch?
:SAVE
:DATA?
:DATE “<string>”
:DATE?
:NDUE “<string>”
:NDUE?
:LLEVel
:SWITch?
:STEP <Step #>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
:STEP?
:CALCulate
Calibration root command.
All commands in this subsystem
are protected by the CAL
switch.
Lock out calibration (opposite
of enabling cal with CAL
switch).
Request comprehensive CAL
switch state. (0 = locked;
1 = unlocked)
Save cal constants to
EEPROM.
Download cal constants from
2001.
Send cal date to 2001.
Request cal date from 2001.
Send next due cal date to
2001.
Request next due cal date
from 2001.
Low-level calibration sub-
system.
Request low-level CAL
switch state. (0 = locked;
1 = unlocked)
20V AC at 1kHz step.
20V AC at 30kHz step.
200V AC at 1kHz step.
200V AC at 30kHz step.
1.5V AC at 1kHz step.
0.2V AC at 1kHz step.
5mV AC at 100kHz step.
0.5mV AC at 1kHz step.
+2V DC step.
-2V DC step.
0V DC step.
20mA AC at 1kHz step.
+0.2A DC step.
+2A DC step.
2V AC at 1Hz step.
Request the current calibra-
tion step.
Calculate low-level cal con-
stants.

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