Keithley 6487 User Manual

Model 6485 and 6487 User’s Manual Measurements and Sourcing Voltage 3-7
Step 6. Disable zero check and take a reading from the display
If the readings are noisy, you may want to use filtering to reduce noise. Filtering is cov-
ered in Section 4.
Figure 3-1
Connections for Model 6485
current measurements
* 220V Peak
4801,
4802-10,
or 4803
Input*
Metal Safety
Shield
Metal Noise Shield
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
Model 6485
Safety
Earth
Ground
HI
LO

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%