Keithley 6485 User Manual

Model 6485 Picoammeter Instruction Manual Getting Started 1-5
CAP-18 — Protective shield/cap for BNC connectors (one model CAP-18 is included
with every order).
CS-565 barrel adapter — This is a barrel adapter that allows you to connect two BNC
cables together. Both ends of the adapter are terminated with 2-lug female BNC connec-
tors.
GPIB and trigger link cables and adapters
Models 7007-1 and 7007-2 shielded GPIB cables — Connect Model 6485 to the GPIB
bus using shielded cables and connectors to reduce electromagnetic interference (EMI).
Model 7007-1 is lm long; Model 7007-2 is 2m long.
Models 8501-1 and 8501-2 trigger link cables — Connect Model 6485 to other instru-
ments with Trigger Link connectors (e.g., Model 7001 Switch System). Model 8501-1 is
lm long; Model 8501-2 is 2m long.
Model 8502 trigger link adapter — Lets you connect any of the six trigger link lines of
Model 6485 to instruments that use the standard BNC trigger connectors.
Model 8503 DIN to BNC trigger cable — Lets you connect trigger link lines one (Volt-
meter Complete) and two (External Trigger) of Model 6485 to instruments that use BNC
trigger connectors. Model 8503 is lm long.
Rack mount kits
Model 4288-1 single fixed rack mount kit — Mounts a single Model 6485 in a standard
19-inch rack.
Model 4288-2 side-by-side rack mount kit — Mounts two instruments (Models 182,
428, 486, 487, 2000, 2001, 2002, 2010, 2400, 2410, 2420, 2430, 6430, 6485, 6517 A,
7001) side-by-side in a standard 19-inch rack.
Model 4288-4 side-by-side rack mount kit — Mounts Model 6485 and a 5.25-inch
instrument (Models 195A, 196, 220, 224, 230, 263, 595, 614, 617, 705, 740, 775A, 6512)
side-by-side in a standard 19-inch rack.
Carrying case
Model 1050 padded carrying case — A carrying case for Model 6485. Includes handles
and shoulder strap.
Instruction Manual
If an additional Model 6485 manual is required, order the manual package. The Keithley
part number for the Instruction manual is 6485-901-010. The manual package includes an
instruction manual and any pertinent addenda.

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)