B-2
Calibration Reference
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
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.
Summary of Contents for 2500
Page 2: ...Contains Calibrating and Servicing Information Model 2500 Dual Photodiode Meter Service Manual...
Page 11: ......
Page 13: ......
Page 15: ......
Page 16: ...1 PerformanceVerification...
Page 28: ...2 Calibration...
Page 56: ...3 RoutineMaintenance...
Page 59: ...3 4 Routine Maintenance Model 2500 Service Manual...
Page 60: ...4 Troubleshooting...
Page 74: ...5 Disassembly...
Page 81: ...5 8 Disassembly Model 2500 Service Manual...
Page 82: ...6 ReplaceableParts...
Page 93: ...6 12 Replaceable Parts Model 2500 Service Manual...
Page 94: ...A Specifications...
Page 98: ...B CalibrationReference...
Page 108: ...C CalibrationProgram...
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Page 119: ......
Page 120: ......
Page 121: ...Keithley Instruments Inc 28775 Aurora Road Cleveland Ohio 44139 Printed in the U S A...