Keithley 2001 Repair Manual

Troubleshooting
2-8
test modes and the key scrolls backward.
Again, use the appropriate tables to determine the
bit pattern at the control registers.
7. When Þnished, press EXIT three times to back out
of the menu structure and return to the normal
measurement mode of operation.
8. If you wish to check another function/range, re-
peat steps 1 through 7.
Table 2-2
DIAGNOSTICS test modes (all functions except Ω 4)
Test mode Selected function Selected range Bit pattern
designator*
Signal Phase DCV 200mV
2V, 200V
20V
1000V
A
B
C
D
ACV, ACI and FREQ All E
DCI All F
Ω220Ω, 200Ω
2kΩ-200MΩ
1GΩ
G
H
I
TEMP RTD (open input) Ñ H
TEMP TC Ñ B
7V div by 1 * 1 All (except Ω4) All J
7V div by 1 * 1.5 All (except Ω4) All K
2V div by 1 * 5 All (except Ω4) All L
0V div by 1 * 1 All (except Ω4) All M
0V div by 1 * 5 All (except Ω4) All N
0V div by 1 * 50 All (except Ω4) All O
0V div by 1 * 1.5 All (except Ω4) All P
FE zero for 200mV All (except Ω4) All Q
FE zero for 2V All (except Ω4) All R
*Bit patterns are provided in Table 2-5.

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