Keithley 617 - Page 31

PREAMP OUT
DESCRIPTION
The PREAMP OUT connector can be used to either configure the Model
617 for external feedback or to monitor the output voltage of the elec-
trometer preamp up to k2OOV (proportional to the input level).
The table below lists the full range output voltages available at the
PREAMP OUT and COM terminals. The output is inverted when in
amps or coulombs.
WARNING
Hazardous voltage levels may be present on the
PREAMP OUT terminal.
FUNCTION
Amps
Ohms
Coulombs
PREAMP OUT
(Absolute Value1
FULL RANGE PREAMP OUT LEVELS
RANGE
2JOmV
2v
20V
2oov
*A. m. &A r&-d+
ZOpA, 2OnA, ZO/rA, 20mA
2OOpA, 200nA, 2OOfi
2kfl
2OkQ - 2Gg
20Gg
2OilGll
2oopc
2nC
2OnC
2oOmv
2v
20V
200 v
2oOmv
2v
20V
200mV
2v
20V
200 v
200mV
2v
20 v
29
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com