Keithley 6487 Reference Manual

1
Getting Started
• Introduction — Description of the Model 6487 Picoammeter.
•
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, and inspection.
•
Power-up — Covers line power connection, line voltage setting, fuse replacement,
power line frequency, and the power-up sequence.
•
Front panel operation — Shows the location of front panel controls, displays, and
indicators.
•
Status and error messages — Status and error messages.
•
Default settings — Covers the five instrument setup configurations available to the
user: three user defined, GPIB defaults, or factory defaults.
•
Menus — Listing of the main and configuration menu items.
•
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%