Keithley 6485 - Calibration Commands; Introduction

H-2 Remote Calibration Model 6485 Picoammeter Instruction Manual
Introduction
This appendix contains a summary of Model 6485 remote calibration commands, and a
basic remote calibration procedure. See “Section 16” for complete calibration informa-
tion.
Calibration commands
Table H-1 summarizes Model 6485 remote calibration commands.
Table H-1
Calibration commands
Command Description
:CALibration Calibration subsystem.
:PROTected Commands protected by code/password.
:CODE '<code>' Eight character code/password used to enable or
unlock calibration. (Default: KI006485.)
:CODE? Calibration code query.
:LOCK Lock out further calibration.
:LOCK? Return 1 if calibration is locked, 0 otherwise.
:SENSe <NRf> Calibrate active current range.
:DATA? Query measurement cal constants.
:SAVE Save all calibration data to non-volatile memory.
:DATE <yyyy, mm, dd> Year, Month, Day when cal was last performed.
:DATE? Query last cal date.
:NDUE <yyyy, mm, dd> Year, Month, Day when 6485 is due for re-cal.
:NDUE? Query cal due date.
:COUNt? Returns how many times 6485 has been calibrated.
:UNPRotected Commands not protected by code/password.
:VOFFset Voltage offset correction.