Keithley 6487 User Manual

2-10 Connections Model 6485 and 6487 User’s Manual
General purpose test fixture
Connections to a general purpose test fixture are shown in Figure 2-10 and Figure 2-11.
This test fixture will accommodate a variety of
connection requirements.
Figure 2-10
General purpose test fixture connections
From External
Power Supply
To 6485
Input
Metal Guard Plate
Banana Jacks (typical, from external power supply)
Female BNC Input Connector (Model 6485)
Insulated
Terminal
Post
A
A
B
B
DUT
Metal Chassis
Safety
Earth
Ground
to Model 6485

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%