Keithley 2450 User Manual

Section
6: SCPI command reference Model 2450 Interactive SourceMeter® Instrument
Reference Manual
6-28 2450-901-01 Rev. B/September 2013
FORMat
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?
:FORMat:ASCii:PRECision? MINimum
:FORMat:ASCii:PRECision? MAXimum
:FORMat:ASCii:PRECision? DEFault
<n>
The precision:
• Automatic: 0
• Specific value: 1 to 16
• MINimum (0)
• MAXimum (16)
•
DEFault
(0)
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 6-30)

Keithley 2450 Specifications

General

Model	2450
Category	SourceMeter
Voltage Source Range	±200 V
Current Source Range	±1 A
DC Voltage	200 V
DC Current	1 A
Power Output	20 W
Resolution	6.5 digits
Display	5-inch capacitive touchscreen
Operating Temperature	0°C to 50°C
Connectivity	USB, LAN, GPIB
Dimensions	213 mm × 88 mm × 370 mm