Keithley 2001 User Manual

IEEE-488 Reference
4-122
Programming example
10 OUTPUT 716; “:curr:ac:aper:auto on; auto?”
20 ENTER 716; A$
30 PRINT A
40 END
Line 10 Enables auto aperture and then queries auto aperture.
Line 20 Addresses the Model 2001 to talk.
Line 30 Displays the state of auto aperture (1).
Table 4-15
Auto aperture; ACV
Measurement type Resolution
Aperture value
(Auto Aperture Enabled)
RMS, average
RMS, average
RMS, average
RMS, average
RMS, average
RMS, average
Low freq RMS
Low freq RMS
Peak, positive and negative spikes
Peak, positive and negative spikes
7 ½ digits*
6 ½ digits*
5 ½ digits*
4 ½ digits*
3 ½ digits*
Auto resolution enabled
Any*
Auto resolution enabled
Any*
Auto resolution enabled
166.67msec (60Hz)
200msec (50Hz and 400Hz)
166.67msec (60Hz)
200msec (50Hz and 400Hz)
333.33µsec (60Hz)
400µsec (50Hz and 400Hz)
166.67µsec (60Hz)
200µsec (50Hz and 400Hz)
166.67µsec (60Hz)
200µsec (50Hz and 400Hz)
16.67msec (60Hz)
20msec (50Hz and 400Hz)
Selection not used**
Selection not used**
Selection not used**
Selection not used**
* Auto resolution disabled.
** The currently selected aperture value is not used for this measurement type.
Table 4-16
Auto aperture; DCV, Ω 2 and Ω 4
Resolution
Aperture value
(Auto aperture enabled)
7 ½ digits*
6 ½ digits*
5½ digits*
4½ digits*
3½ digits*
Auto resolution enabled
33.33msec (60Hz)
40msec (50Hz and 400Hz)
3.33msec (60Hz)
4msec (50Hz and 400Hz)
333.33µsec (60Hz)
400µsec (50Hz and 400Hz)
166.67µsec (60Hz)
200µsec (50Hz and 400Hz)
166.67µsec (60Hz)
200µsec (50Hz and 400Hz)
16.67msec (60Hz)
20msec (50Hz and 400Hz)
* Auto resolution disabled.

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