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Keithley 6487 Reference Manual

Keithley 6487
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14-2 SCPI Reference Tables Model 6487 Reference Manual
General notes
Brackets ([ ]) are used to denote optional character sets. These optional characters
do not have to be included in the program message. Do not use brackets in the pro-
gram message.
Angle brackets (< >) are used to indicate parameter type. Do not use angle brackets
in the program message.
The Boolean parameter (<b>) is used to enable or disable an instrument operation.
1 or ON enables the operation and 0 or OFF disables the operation.
Uppercase characters indicated the short-form version for each command word.
Default parameter — Listed parameters are both the *RST and SYSTem:PRESet
defaults, unless noted otherwise. Parameter notes are located at the end of each
table.
Ref — Refers you to the section (Sec) that provides operation information for that
command or command subsystem.
SCPI — A checkmark () indicates that the command and its parameters are SCPI
confirmed. An unmarked command indicates that it is a SCPI command, but does
not conform to the SCPI standard set of commands. It is not a recognized com-
mand by the SCPI consortium. SCPI confirmed commands that use one or more
non-SCPI parameters are explained by notes.
Table 14-1
CALCulate command summary
Command Description
Default
parameter
Ref
Section SCPI
:CALCulate[1] Path to configure and control CALC1 calculations. 5
:FORMat <name> Select math format; MXB (mX+b), RECiprocal
(m/X+b), or LOG10.
MXB
:FORMat? Query math format.
:KMATh Configure math calculations:
:MMFactor <NRf> Set “m” for mX+b and m/X+b calculation:
-9.99999e20 to 9.99999e20.
1.0
:MMFactor? Query “m” factor.
:MA1Factor <NRf> Set “m” for mX+b and m/X+b calculation
(same as MMFactor).
1.0
:MA1Factor? Query “m” factor (same as MMFactor?).
:MBFactor <NRf> Set “b” for mX+b and m/X+b calculation:
-9.99999e20 to 9.99999e20.
0.0
:MBFactor? Query “b” factor.

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Keithley 6487 Specifications

General IconGeneral
TypePicoammeter/Voltage Source
Current Measurement Range20 fA to 20 mA
InterfacesGPIB, RS-232
Voltage Burden< 200 µV
Input Impedance>10^14 Ω
Power100 V / 120 V / 220 V / 240 V
Basic Current Measurement Accuracy0.4%

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