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Keithley 6485 User Manual

Keithley 6485
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11-4 Common Commands Model 6485 Picoammeter Instruction Manual
C) SAV <NRf> save Save present setup in memory
RCL <NRf> recall Return to setup stored in memory
Parameters 0 = Memory location 0
1 = Memory location 1
2 = Memory location 2
Use the *SAV command to save the present instrument setup conguration in memory for
later recall. Any control affected by *RST can be saved by the *SAV command. The *RCL
command is used to restore the instrument to the saved setup conguration. Three setup
congurations can be saved and recalled.
Model 6485 ships from the factory with SYSTem:PRESet defaults loaded into the avail-
able setup memory. If a recall error occurs, the setup memory defaults to the SYS-
Tem:PRESet values.
Programming example:
*SAV 2 ' Save present setup in memory location 2.
*RST ' Set 6485 to RST defaults.
*RCL 2 ' Return (recall) 6485 to setup stored in memory location 2.
D) RST reset Return Model 6485 to RST defaults
When the *RST command is sent, Model 6485 performs the following operations:
1. Returns Model 6485 to the RST default conditions (see Default column of SCPI
tables).
2. Cancels all pending commands.
3. Cancels response to any previously received *OPC and *OPC? commands.
E) TRG trigger Send bus trigger to Model 6485
Use the *TRG command to issue a GPIB trigger to Model 6485. It has the same effect as a
group execute trigger (GET).
Use the *TRG command as an event to control operation. Model 6485 reacts to this trigger
if BUS is the programmed arm control source. The control source is programmed from the
TRIGger subsystem.
NOTE Details on triggering are covered in Section 7.

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Keithley 6485 Specifications

General IconGeneral
ModelKeithley 6485
CategoryPicoammeter
Input Impedance>10^14 Ohms
Voltage Burden<200µV
Accuracy0.4% of reading
Voltage Source RangeNot Applicable
Voltage Source ResolutionNot Applicable
Voltage Source AccuracyNot Applicable
InterfaceIEEE-488
Power Requirements100V to 240V AC, 50/60Hz
Dimensions89 mm high x 214 mm wide x 369 mm deep (3.5 in x 8.4 in x 14.5 in)

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