Keithley 6487 User Manual

Model 6485 and 6487 User’s Manual Getting Started 1-11
Model 6485 rear panel summary
The rear panel of the Model 6485 is shown in Figure 1-2.
Figure 1-2
Model 6485 rear panel
120
FUSE LINE
630mA
LINE RATING
50, 60Hz
30 VA
T
(SB)
100 VAC
120 VAC
315mAT
(SB)
220 VAC
240 VAC
!
INPUT
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
IEEE-488
CAT I
TRIGGER LINK RS-232
MADE IN
U. S. A .
220V PK
ANALOG OUT
13
8
4
567
2
1 INPUT
This standard female BNC connector is used to connect the signal to be measured to the input of the
Model 6485. Mates to a BNC cable.
2 CHASSIS
This screw terminal is used to connect COMMON to CHASSIS ground via the ground link connector.
3 COMMON
This standard banana connector can be used as input LO or as the common for the ANALOG OUT.
Also can be used as a ground link.
4 ANALOG OUT
This standard banana connector provides a scaled, inverting output (inverting 2V full scale on all
ranges).

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%