Keithley 2450 User Manual

Section
8: TSP command reference Model 2450 Interactive SourceMeter® Instrument
Reference Manual
8-36 2450-901-01 Rev. B/September 2013
Example 2
for x = 1, 3 do printbuffer(x, x, testData.timestamps) end
For the buffer created in Example 1, print the timestamps for the readings.
Output:
03/01/2013 14:46:07.714614838
03/01/2013 14:46:08.100468838
03/01/2013 14:46:08.487631838
Also see
buffer.delete() (on page 8-9)
buffer.make() (on page 8-11)
bufferVar.clear() (on page 8-17)
print() (on page 8-77)
printbuffer() (on page 8-78)
Reading buffers (on page 3-10)
Remote buffer operation (on page 3-27)
bufferVar.units
This attribute contains the unit of measure that is stored with readings in the reading buffer.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (R)
Yes
Restore configuration
Instrument reset
Power cycle
Not applicable
Not applicable
Usage
readingUnits = bufferVar.units[N]
readingUnits
Volt DC: Voltage measurement
Ohm: Resistance measurement
Watt DC: Power measurement
Amp DC: Current measurement
%: Math is set to percent for the measurements
mX+b: Math is set to mx+b for the measurements
Reciprocal: Math is set to reciprocal for the measurements
bufferVar
The name of the reading buffer, which may be a default buffer (defbuffer1 or
defbuffer2
) or a user-defined buffer
N
The reading number N; can be any value between 1 and the number of readings in
the buffer; use the bufferVar.n command to determine the number of readings
in the buffer
Details
This attribute contains the unit of measure that is stored with readings in the reading buffer.

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