Keithley 2001 Repair Manual

List of Tables
v
1 Routine Maintenance
Table 1-1 Power line fuse ..................................................................................................................................... 1-2
Table 1-2 Current fuse .......................................................................................................................................... 1-2
2 Troubleshooting
Table 2-1 Built-in-test summary........................................................................................................................... 2-3
Table 2-2 DIAGNOSTICS test modes (all functions except
Ω 4)......................................................................... 2-8
Table 2-3 DIAGNOSTICS test modes (
Ω 4 function; 20 Ω and 200 Ω ranges)..................................................... 2-9
Table 2-4 DIAGNOSTICS test modes (
Ω 4 function; 2k Ω thru 200k Ω ranges) .................................................. 2-9
Table 2-5 DIAGNOSTICS bit patterns (DC_STB registers).............................................................................. 2-10
Table 2-6 Bit patterns for R1_STB registers....................................................................................................... 2-12
Table 2-7 Bit patterns for R2_STB registers....................................................................................................... 2-13
Table 2-8 Display board checks.......................................................................................................................... 2-14
Table 2-9 Power supply checks........................................................................................................................... 2-15
Table 2-10 DC_STB control registers................................................................................................................... 2-19
Table 2-11 R1_STB control registers ................................................................................................................... 2-20
Table 2-12 R2_STB control registers ................................................................................................................... 2-21
Table 2-13 Multiplexer (U511)............................................................................................................................. 2-22
4 Replaceable Parts
Table 4-1 Model 2001 A/D board, parts list ......................................................................................................... 4-2
Table 4-2 Model 2001 analog board, parts list ..................................................................................................... 4-5
Table 4-3 Model 2001 digital board, parts list.................................................................................................... 4-15
Table 4-4 Model 2001 display board, parts list................................................................................................... 4-19
Table 4-5 Model 2001 miscellaneous, parts list...................................................................................................4-21

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