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Rear Panel View
Figure 1-4 shows the features on the rear panel of the Calibrator and explains their
use.
RS 232
6
No
A
Power line fuse compartment. Contains fuses and line voltage selector.
B
The power switch turns the power on and off.
C
A grounded three-prong AC connector that accepts the line power cord.
D
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.
E
Service port used to download new firmware to the Calibrator.
F
The RS-232 connector is used for serial remote control of the 525A.
NO INTERNAL USER SERVICEABLE PARTS
REFER SERVICE TO QUALIFIED
SERVICE PERSONNEL
FLUKE CORPORATION
MADE IN USA
PATENTS PENDING
www.fluke.com
C
US
120V
240V
SERVICE
PORT
PIN 1
5
Description
WWarning
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
5x20mm0.25A 250V
300V
: 198V - 264V
5x20mm0.125A 250V
CAT
CHASSIS
GROUND
WARNING:
TO AVOID ELECTRIC SHOCK
GROUNDING CONNECTOR IN POWER CORD
MUST BE CONNECTED
Getting Started
1
1
2
3
4
ajr10f.wmf
1-11
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