Keithley 6487 User Manual

1
Getting Started
• Introduction — Description of the Models 6485 and 6487 Picoammeters.
•
Overview of this manual — Provides content of this manual.
•
General information — Covers general information that includes warranty infor-
mation, contact information, safety symbols and terms, unpacking and inspection,
and available options and accessories.
•
Features — Summarizes the features of Models 6485 and 6487.
•
Model 6485 front and rear panel familiarization — Summarizes the controls and
connectors of the Model 6485 as well as p
roviding information on the front panel
display.
•
Model 6487 front and rear panel familiarization — Summarizes the controls and
connectors of the Model 6487 and provides information on the front panel display.
•
Power-up — Covers line power connection, line frequency, and the power-up
sequence.
•
Default settings — Covers the five instrument setup configurations available to the
user; three user-defined, GPIB default
s, or factory defaults.
• Menu—
Provides menu structures for both the Models 6485 and 6487.
•
SCPI programming — Explains how SCPI commands are presented in this manual.

Keithley 6487 Specifications

General

Type	Picoammeter/Voltage Source
Current Measurement Range	20 fA to 20 mA
Interfaces	GPIB, RS-232
Voltage Burden	< 200 µV
Input Impedance	>10^14 Ω
Power	100 V / 120 V / 220 V / 240 V
Basic Current Measurement Accuracy	0.4%