Keithley 6485 User Manual

15-10 Performance Verification Model 6485 Instruction Manual
Figure 15-2
Connections for 2nA to 2 µ A range verification
120
FUSE LINE
630mA
LINE RATING
50, 60Hz
30 VA
T
(SB)
100 VAC
120 VAC
315mAT
(SB)
220 VAC
240 VAC
!
INPUT
INPUT
C
O
M
M
O
N
!
42V PK
220V PK
MADE IN
U.S. A.
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
IEEE-488
CAT
TRIGGER LINK
RS-232
ANALOG OUT
BNC-to-Triax
Adapter on INPUT
Triax Cable
(Supplied with
Model 5156)
Connect Calibrator to
100MΩ or 1GΩ Resistor
Link Shield and Chassis
Model 6485 Picoammeter
DC Voltage Calibrator
BNC-to-dual
Banana Plug
Adapter
100G
Ω
100M
Ω
10G
Ω
1G
Ω
1nF
100nF
OUTPUT
Connect
Cable
Shield to
Output LO
Low-noise
Coax Cable
Note:
Model 5156 Calibration Standard
!

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)