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Rear Panel View
Figure 1-4 shows the features on the rear panel of the Calibrator and explains their
use.
7
No
Power line fuse compartment. Contains fuses and line voltage selector.
The power switch turns the power on and off.
A grounded three-prong AC connector that accepts the line power cord.
The Chassis Ground terminal is internally connected to the ground prong of the AC
connector.
To avoid shock hazard, connect the factory supplied three-
conductor power cord to a properly grounded power outlet. Do not
use a two-conductor adapter or extension cord; this will break the
protective ground connection.
Use the rear panel CHASSIS GROUND terminal as a connection
point for a protective grounding wire if there is any question about
the effectiveness of instrument earth grounding through the line
power cord ground wire.
Service port used to download new firmware to the Calibrator.
The IEEE-488 connector is a standard parallel interface for operating the 525B in
remote control as a talker/listener on the IEEE-488 bus.
The RS-232 connector is used for serial remote control of the 525B.
NO INTERNAL USER SERVICEABLE PARTS
REFER SERVICE TO QUALIFIED
SERVICE PERSONNEL
FLUKE CORPORATION
MADE IN USA
PATENTS PENDING
www.fluke.com
C
US
6
5
Description
Warning
Figure 1-4. Rear Panel View
Getting Acquainted with the Calibrator
WARNING:
FOR FIRE PROTECTION
REPLACE ONLY
WITH A 250V FUSE
OF INDICATED RATING?
47Hz - 63Hz
MAINS SUPPLY
FUSE
15VA MAX
: 90V - 132V
120V
5x20mm0.25A 250V
300V
: 198V - 264V
240V
5x20mm0.125A 250V
CAT
CHASSIS
GROUND
WARNING:
TO AVOID ELECTRIC SHOCK
GROUNDING CONNECTOR IN POWER CORD
MUST BE CONNECTED
Getting Started
1
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2
3
4
fcn10f.eps
1-11
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