Keithley 2000 Quick Reference Guide

12
Measuring continuity
With this feature, the instrument alerts you with a beep
when a resistance reading is below the set level. To
measure continuity, press SHIFT and then CONT. Use
the , , ▲ and ▼ keys to set the resistance threshold
level, and press ENTER. Connect the test leads to INPUT
HI and LO.
Testing diodes
With this feature, the instrument measures the forward
voltage drop of general-purpose diodes and the zener
voltage of zener diodes. To test diodes, press SHIFT and
then ( ). Use the ▲ and ▼ keys to select the test cur-
rent.
Limit operations
With this feature, you can check to see of readings are
within (“IN” displayed), below (“LO” displayed) or
above (“HI” displayed) specified low and high reading
limits. You can also set the instrument to beep when
readings are inside or outside of the limit range.
Setting limits — To set limits (absolute values), press
SHIFT and then LIMITS to display the high limit. Use the
, , ▲ and ▼ keys to enter the desired value, and
press ENTER. Enter the low limit value and again press
ENTER.
Enabling limits — Press SHIFT and then ON/OFF to dis-
play the beeper status. Use the ▲ and ▼ keys to change
the beeper status (NEVER, OUTSIDE or INSIDE) and
press ENTER to enable limits. Pressing SHIFT and then
ON/OFF a second time disables limit operations.
2000-903-01A Page 12 Thursday, December 23, 1999 7:52 AM

Keithley 2000 Specifications

General

Digits	6.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	100 Ω to 100 MΩ
Connectivity	IEEE-488 (GPIB)
Display Type	VFD