Keithley 2100 User Manual

4-22 Return to Section Topics 2100-900-01 Rev. D / September 2011
Section 4: Front Panel Operations Model 2100 6 1/2-Digit Resolution Digital Multimeter User’s Manual
To make a ratio measurement using a remote interface:
Use the following command to make a Ratio measurement:
CONFigure:VOLTage:DC:RATio{<range>|MIN|MAX|DEF},{<resolution>|MIN|MAX|DEF}
% (Percent)
Definition
This mathematical function calculates the ratio of a measurement reading to a specified target
value in the form of a percentage. The calculation formula is shown below:
The specified target value is stored in volatile memory and will be cleared after the meter has
been turned-off or a remote interface has been reset.
Making a percent measurement
You can make a percent measurement using the front panel or through a remote interface.
To make a percent measurement using the front panel:
1. To specify a target value, first configure the % function by pressing CONFIG + %.
2. Use the PREV and NEXT keys to move through the digits, and the up and down arrow
keys to increase or decrease the numbers to a desired target value.
3. Press ENTER to set the value.
4. Press % to activate this function, then observe the calculated percent value on the display
(Figure 4-17 shows the location of the keys used).
NOTE Press % again to disable this function. The "MATH" annunciator on the display indicates
the state of a mathematical feature.
Figure 4-17
Making a percent measurement from the front panel
To make a percent measurement from a remote interface:
Use the following commands to enable and configure the % function:
Input reading • 100
Target value
Percent =
FILTER
NEXT
PREV
DIGITS
RATIO
%
MIN/MAX
NULL
ESC
ENTER
AUTO
SINGLE
TRIGGER
STORE
RECALL
LOCAL
SHIFT
CONFIG
MENU
AUT O
DCV
ACV
2
2
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
2
2
FUNCTION
DCI ACI
4
PERIOD
LIMITS MX+B
dB
EXTRIG
HOLD
MATH
TRIGGER MEMORY
dBm
RANGE
DISPLAY
NEXT
PREV
POWER
OFF
ON
SENSE
F
NEXT
PREV
%
ENTER
CONFIG

Keithley 2100 Specifications

General

Brand	Keithley
Model	2100
Category	Multimeter
Language	English