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Keithley 6485 User Manual

Keithley 6485
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Model 6485 Picoammeter Instruction Manual SCPI Reference Tables 14-7
:ENABle? Read the enable register.
:CONDition? Read the condition register.
:OPERation Operation event registers:
[:EVENt]? Read the event register. (Note 2)
:ENABle <NDN> or <NRf> Program the enable register. (Note 3)
:ENABle? Read the enable register.
:CONDition? Read the condition register.
:QUEStionable Questionable event registers:
[:EVENt]? Read the event register. (Note 2)
:ENABle <NDN> or <NRf> Program the enable register. (Note 3)
:ENABle? Read the enable register.
:CONDition? Read the condition register.
:PRESet Return status registers to default states.
:QUEue Read error queue:
[:NEXT]? Read and clear oldest error/status (code and
message).
(Note 4)
:ENABle <list> Specify error and status messages for error
queue.
(Note 5)
:ENABle? Read the enabled messages.
:DISable <list> Specify messages not to be placed in queue. (Note 5)
:DISable? Read the disabled messages.
:CLEar Clear messages from error queue.
Parameters:
<NDN> = #Bxxx Binary format (each x = 1 or 0)
= #Hx Hexadecimal format (x = 0 to FFFF)
= #Qx Octal format (x = 0 to 177777)
<NRf> = 0 to 65535 Decimal format
<list> = (100:200, -224) Example of a range and single entry (+100 through +200 and -224)
Notes:
1. Commands in this subsystem are not affected by *RST or SYSTem:PRESet. The effects of cycling power, *CLS and
STATus:PRESet are explained by the following notes.
2. Event registers Power-up and *CLS clears all bits. STATus:PRESet has no effect.
3. Enable registers Power-up and STATus:PRESet clears all bits. *CLS has no effect.
4. Error queue Power-up and *CLS empties the error queue. STATus:PRESet has no effect.
5. Error queue messages Power-up enables error messages and disables status messages. *CLS and STATus:PRESet have no effect.
Table 14-5 (continued)
STATus command summary
Command Description
Default
parameter
Ref
Section
SCPI

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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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