Keithley 2100 User Manual

2-20 Return to Section Topics 2100-900-01 Rev. D / September 2011
Section 2: Getting Started Model 2100 6 1/2-Digit Resolution Digital Multimeter User’s Manual
Figure 2-30
Front panel keys and terminals
1. DISPLAY and POWER keys:
i. DISPLAY: Shows model, version and condition by pressing the PREV and NEXT 
keys
ii. POWER: Activates the Model 2100 digital multimeter
2. FUNCTION keys:
a. First row without SHIFT key:
i. DCV: Selects DC voltage measurement
ii. ACV: Selects AC voltage measurement
iii.  2: Selects 2-wire resistance measurement
iv. FREQ: Selects frequency measurement
v. CONT: Selects the continuity test
b. First row with SHIFT key:
i. DCI: Selects DC current measurement
ii. ACI: Selects AC current measurement
iii.  4: Selects 4-wire resistance measurement
iv. PERIOD: Selects period measurement
v. : Selects diode testing
c. Second row without SHIFT key:
i. FILTER: Enables or disables the digital filter
ii. DIGITS: Changes the resolution
iii. RATIO: Enables the dcv:dcv ratio function
iv. %: Calculates the ratio to a target value in percentage
v. MIN/MAX: Captures the minimum or maximum readings from the measurement
vi. NULL: Activates the offset function in order to get the real measured reading
d. Second row with SHIFT key:
i. LIMITS: Used for setting upper and lower limit values for readings
ii. MX+B: Used for calculating slope. X is the normal display reading; M and B are 
constants specified by user for scale factor and offset
iii. dBm: Used for displaying voltage measurement in dBm power unit
iv. dB
: Used for displaying voltage measurement in decibel unit
e. Third row without SHIFT key:
FILTER
NEXT
PREV
DIGITS
RATIO
%
MIN/MAX
NULL
ESC
ENTER
AUTO
SINGLE
TRIGGER
STORE
RECALL
LOCAL
SHIFT
CONFIG
MENU
AUTO
DCV
ACV
22
FREQ
CONT
TEMP
4 WIRE
RATIO
V
INPUT
PEAK
200V
PEAK
HI
LO
PEAK
500V
3A
RMS
INPUTS
3A 250V
FRONT/REAR
AMPS
R
1000V
REF
CAT 1000V
CAT 600V
LOCK
SETUP
ACV
22
FUNCTION
DCI ACI
4
PERIOD
LIMITS MX+B
dB
EXTRIG
HOLD
MATH
TRIGGER MEMORY
dBm
RANGE
DISPLAY
NEXT
PREV
POWER
OFF
ON
SENSE
F
1
5432

Keithley 2100 Specifications

General

DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	100 Ω to 100 MΩ
Continuity	Yes
Diode Test	Yes
Frequency Range	3 Hz to 300 kHz
DC Voltage Accuracy	0.0035%
DC Current Range	100 µA to 10 A
DC Current Accuracy	0.05%
AC Current Range	100 µA to 10 A
Frequency Accuracy	0.01%
Capacitance Range	1 nF to 10 mF
Temperature Range	-200 °C
Connectivity	RS-232
Type	6.5-digit digital multimeter