2100-900-01 Rev. D / September 2011 Return to Section Topics 4-25
Model 2100 6 1/2-Digit Resolution Digital Multimeter User’s Manual Section 4: Front Panel Operations
Figure 4-19
Using the NULL function from the front panel
To use the NULL function from a remote interface:
You can use the following commands on your PC terminal to make a Null measurement:
CALCulate:FUNCtion
NULLCALCulate:STATe {OFF|ON}
CALCulate:STATe?
CALCulate:NULL:OFFSet {<value>|MAXimum|MINimum}
Limits test
Definition
The limits testing operation allows you to adjust maximal and minimal limit values. The multimeter
beeps and a "HI" or "LO" message will be shown when the reading exceeds the upper or lower
limits. When you specify the limit values, they are stored in volatile memory. The default values for
both upper and lower limits are "0." This function can be used with all measurements (except
continuity and diode measurements).
Setting limits values or making a limits test
You can set limit values or make a limits test either through the front panel or a remote interface.
To set limits values from the front panel:
1. Configure the Limits math function by pressing CONFIG + SHIFT + RATIO, and then use
the PREV and NEXT keys to select either MIN or MAX, and press ENTER.
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 value.
3. Press ENTER to set the value (refer to Figure 4-20).
FILTER
NEXT
PREV
DIGITS
RATIO
%
MIN/MAX
NULL
ESC
ENTER
AUTO
SINGLE
TRIGGER
STORE
RECALL
LOCAL
SHIFT
CONFIG
MENU
AUT O
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
NEXT
PREV
NULL
ENTER
CONFIG
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