Keithley 2002 Getting Started Manual

Close/Open channels
The CHAN key is used to close an internal channel or channel pair (for 4-wire functions), or
open any internal closed channel or channel pair. Perform the following steps to close or open
channels:
1. Press CHAN to display the following CHANNEL SELECTION options:
CLOSE-CHANNEL: Use to close a channel or channel pair on the internal scanner card.
OPEN-ALL-CHANNELS: Opens all channels on the scanner card.
2. Select the desired option and press ENTER. Selecting CLOSE-CHANNEL prompts you
to enter the channel to be closed. Use the cursor keys and RANGE keys to display the
channel number and press ENTER. The number of the closed channel will be displayed
along with the reading.
NOTE If a 4-wire function is selected, both the selected channel and the paired channel will
close. Channel pairs are 1-6, 2-7, 3-8, 4-9 and 5-10.
2-24 Measurement Options

Keithley 2002 Specifications

General

Resolution	8.5 digits
DC Voltage Accuracy	±0.0006%
Maximum DC Voltage	1000 V
Maximum AC Voltage	750 V
Maximum DC Current	3 A
Maximum AC Current	3 A
Connectivity	GPIB, RS-232
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	10 Ω to 1 GΩ
Model	2002
Category	Multimeter
Interface	GPIB, RS-232
AC Current Accuracy	±0.1%
Frequency Range	0.1Hz to 300kHz
Display	VFD
Type	Digital
Power Supply	100-240V AC, 50/60Hz
Current Range (DC)	100 μA to 3 A
Current Accuracy (DC)	±0.01%
Current Range (AC)	100 μA to 3 A
Current Accuracy (AC)	±0.1%
DC Current Range	100 μA to 3 A
AC Current Range	100 μA to 3 A