Keithley 2450 User Manual

Section
8: TSP command reference Model 2450 Interactive SourceMeter® Instrument
Reference Manual
8-90 2450-901-01 Rev. B/September 2013
smu.measure.autozero.once()
This function causes the instrument to autozero once.
Type TSP-Link accessible
Affected by Where saved Default value
Function
Yes
Usage
smu.measure.autozero.once()
Details
This command forces a refresh of the reference and zero measurements that are used for the present aperture
setting.
When autozero is set to off, the instrument may gradually drift out of specification. To minimize the drift, you can
send the once command to make a reference and zero measurement immediately before a test sequence.
Example
smu.measure.autozero.once()
Forces a refresh of the reference and zero
measurements.
Also see
smu.measure.autozero.enable (on page 8-89)

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