Front Panel Operation
2-19
4. Select a manual measurement range that is consistent
with the expected reading, or enable auto range (see
paragraph 2.12 for detailed range information).
5. Connect the Model 6517A to the voltage to be mea-
sured. Figure 2-20 shows typical connections for un-
guarded measurements, and Figure 2-21 shows typical
connections for guarded measurements.
WARNING
Hazardous voltage may be present on
the inner shield of the triax cable when
GUARD is on. A safety shield connect-
ed to safety earth ground (as shown in
Figure 2-21) should be used for voltage
measurements at or above 30V.
6. Press Z-CHK to disable zero check and take a reading
from the display.
NOTE
To disable zero correct, enable zero check
and press REL.
Red (HI)
Black (LO)
6517A
Shield (Optional)
Vs
Measured
Voltage
+
-
CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
WARNING:NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
237-ALG-2
Cable
INPUT
250V PEAK
COMMON
TRIGGER
LINK
IN OUT
!
LINE RATING
90-134VAC
180-250VAC
50, 60, 400HZ
55VA MAX
LINE FU
SLOWBL
1/2A, 250
IEEE-488
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
A. Connections
B. Equivalent circuit
Figure 2-20
Typical connections for unguarded voltage measurements
To A/D
Converter
S
Vs
HI
LO
+
-
GND
+
-
PREAMP OUTPUT
S
COMMON
2V ANALOG OUTPUT
S
Ranging
Amp
1Ω
+
-
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