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Keithley 6487 Reference Manual

Keithley 6487
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Model 6487 Reference Manual Remote Operation 9-11
<name> Name parameter — Select a parameter name from a listed group.
<name> = NEVer
= NEXT
:CALCulate:FORMat MXB Select Mx + B calculation
<NRf> Numeric representation format — A number that can be expressed
as an integer (e.g., 8), a real number (e.g., 23.6), or an exponent
(2.3E6).
:TRACe:POINts 20 Set buffer size to 20
<NDN> Non-decimal numeric — A non-decimal value that can be used to
program status enable registers. A unique header identifies the for-
mat; #B (binary), #H (hexadecimal), and #Q (octal).
*SRE #B10001 Set bits B0 and B4 of Service
Request Enable Register
<n> Numeric value — Can consist of an NRf number or one of the fol-
lowing name parameters: DEFault, MINimum, or MAXimum.
When the DEFault parameter is used, the instrument is programmed
to the *RST default value. When the MINimum parameter is used,
the instrument is programmed to the lowest allowable value. When
the MAXimum parameter is used, the instrument is programmed to
the largest allowable value.
:ARM:TIMer 0.1 Sets timer to 100 msec.
:ARM:TIMer DEFault Sets timer to 0.1 sec.
:ARM:TIMer MINimum Sets timer to 1 msec.
:ARM:TIMer MAXimum Sets timer to 999999.999 sec.
Angle brackets < > — Used to denote a parameter type. Do not include the brack-
ets in the program message.
:DISPlay:ENABle <b>
The <b> indicates that a Boolean type parameter is required. Thus, to enable the
display, you must send the command with the ON or 1 parameter as follows.
:DISPlay:ENABle ON or 1

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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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