Keithley 6485 User Manual

2
Connections
• Connection fundamentals — Covers fundamental information about connecting
test circuits to the picoammeter.
• Basic connections to DUT — Details connecting test circuits to the picoammeter
for current measurement and Mo
del 6487 ohms measurements.
• Using a test fixture — Discusses using general test fixtures as well as the Model 8009
test fixture.
• Model 6487 interlock — Provides information on using the Model 6487 interlock,
which must be used to optimize safety.
• Analog output — Covers analog output connections and discusses considerations
when using the analog output.
• Measurement considerations — Summarizes considerations that could affect
overall measurement accuracy.

Keithley 6485 Specifications

General

Model	Keithley 6485
Category	Picoammeter
Input Impedance	>10^14 Ohms
Voltage Burden	<200µV
Accuracy	0.4% of reading
Voltage Source Range	Not Applicable
Voltage Source Resolution	Not Applicable
Voltage Source Accuracy	Not Applicable
Interface	IEEE-488
Power Requirements	100V to 240V AC, 50/60Hz
Dimensions	89 mm high x 214 mm wide x 369 mm deep (3.5 in x 8.4 in x 14.5 in)