Model 6487 Reference Manual Measurements and Sourcing Voltage 3-13
Step 7. Disable zero check and take a reading from the display
Press ZCHK to disable zero check and display readings. If the readings are noisy, use fil-
tering to reduce noise.
klqb For any ohms measurements, the ohms reading is invalid and unknown if the
voltage source is in compliance. Therefore, a value of -9.9e+36 will be returned
over the GPIB and the message I-LIMIT will be displayed on the front panel for
both normal readings and buffer recall readings for any ohms readings where
the voltage source went into compliance.
Figure 3-3
Connections for ohms measurements
Black (LO)
Red (HI)
237-ALG-2
Cable
Metal Noise Shield
Metal Safety Shield
Safety
Earth
Ground
Green
(Chassis)
DUT
DUT = Device Under Test.
Model 6487
V-SOURCE
OUTPUT
120
LINE RATING
50, 60Hz
50 VA MAX
INPUT
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
IEEE-488
CAT I
TRIGGER LINK
RS-232
MADE IN
U.S .A .
ANALOG OUT
DIGITAL I/O
INTERLOCK
505V
MAX
V-SOURCE OUTPUT
505V PK TO CHASSIS
LO HI
!
!
FUSE LINE
400mAT
(SB)
100 VAC
120 VAC
200mAT
(SB)
220 VAC
240 VAC
505V PK
505V PK
505V PK
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