Keithley 2500 Service Manual

B-2 Calibration Reference Model 2500 Service Manual
Introduction
This appendix contains detailed information on the various Model 2500 Dual Photodiode
Meter remote calibration commands, calibration error messages, and methods to detect the
end of each calibration step.
Section 2 of this manual covers detailed calibration procedures.
Command summary
Table B-1 summarizes Model 2500 calibration commands. These commands are covered
in detail in the following paragraphs.
Table B-1
Calibration commands
Command Description
:CALibration
:PROTected
:CODE ‘<password>’
:CODE?
:SENSe[1] <NRf>
:DATA <NRf>
:DATA?
:SOURce[1] <NRf>
:DATA <NRf>
:DATA?
:OFFSet
:SENSe2 <NRf>
:DATA <NRf>
:DATA?
:SOURce2 <NRf>
:DATA <NRf>
:DATA?
:OFFSet
:DATE <yyyy>,<mm>,<dd>
:DATE?
:NDUE <yyyy>,<mm>,<dd>
:NDUE?
:SAVE
:LOCK
:LOCK?
:COUNt?
Calibration subsystem.
Calibration commands protected by password.
Unlock calibration. (Default password: KI002500.)
Query calibration code/password.
Calibrate active channel 1 current measurement range.
Set channel 1 current measurement calibration constants.
Query channel 1 current measurement calibration constants.
Calibrate channel 1 active voltage bias range.
Set channel 1 voltage bias calibration constants.
Query channel 1 voltage bias calibration constants.
Calibrate channel 1 input offset voltage.
Calibrate active channel 2 current measurement range.
Set channel 2 current measurement calibration constants.
Query channel 2 current measurement calibration constants.
Calibrate channel 2 active voltage bias range.
Set channel 2 voltage bias calibration constants.
Query channel 2 voltage bias calibration constants.
Calibrate channel 2 input voltage offset.
Program calibration year, month, day.
Query calibration date.
Program calibration due year, month, day.
Query calibration due date.
Save calibration data in EEPROM.
Lock out calibration.
Query if calibration is locked (1 = locked; 0 = unlocked).
Query number of times Model 2500 has been calibrated.

Keithley 2500 Specifications

General

Brand	Keithley
Model	2500
Category	Measuring Instruments
Language	English