Keithley 2461 Reference Manual

Section
6: SCPI command reference Model 2461 Interactive SourceMeter® Instrument
Reference Manual
6-44 2461-901-01 A/November 2015
FORMat subsystem
The commands for this subsystem select the data format that is used to transfer instrument readings
over the remote interface.
:FORMat:ASCii:PRECision
This command sets the precision (number of digits) for all numbers returned in the ASCII format.
Type Affected by Where saved Default value
Command and query
Recall settings
Instrument reset
Power cycle
Save settings
0
Usage
:FORMat:ASCii:PRECision <n>
:FORMat:ASCii:PRECision DEFault
:FORMat:ASCii:PRECision MINimum
:FORMat:ASCii:PRECision MAXimum
:FORMat:ASCii:PRECision?
:FORMat:ASCii:PRECision? DEFault
:FORMat:ASCii:PRECision? MINimum
:FORMat:ASCii:PRECision? MAXimum
<n>
The precision:
• Automatic: 0
•
Specific value: 1 to 16
Details
This attribute specifies the precision (number of digits) for queries.
Note that the precision is the number of significant digits. There is always one digit to the left of the
decimal point; be sure to include this digit when setting the precision.
Example
:FORM:ASC:PREC 10
Set a precision of 10 digits. An example of the
output is:
-6.999999881E-01
Also see
:FORMat[:DATA] (on page 6-46)

Keithley 2461 Specifications

General

Maximum Current	7 A
Power	100 W
Resolution	6.5 digits
Source Measure Unit (SMU)	Yes
DC Voltage	100 V
Maximum Voltage	100 V
Display	5-inch capacitive touchscreen
Connectivity	USB, GPIB
Software	TSP
DC Current	7 A
Current Source Range	0 to 7 A
Voltage Measurement Range	100 mV to 100 V
Current Measurement Range	10 nA to 7 A
Voltage Measurement Resolution	100 nV