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8
Quick Reference Guide
Basic connections
WARNING While the Model 2520 does not incorporate a laser, it is designed to operate
(power) laser diode devices. Read all safety precautions listed at the
beginning of this manual. The following safety practices must be used to
protect operators and other users of this product from potential exposure
to laser radiation:
•
Operators must be protected from radiation and electrical hazards
at all times.
•
The installer must comply with all applicable laws and regulation
on laser safety. This requirement includes warning signs and
operator training.
•
The interlock is required for safe operation. The test fixtures must
ensure that the interlock circuit is disabled (source outputs
inhibited) so that an operator is not exposed to any radiation. The
test fixture interlock must not be defeated.
•
The testhead key control must be used to prevent operation unless
authorized by the responsible body. This requirement must be part
of the facilities administrative controls for laser safety.
•
When servicing the test system, any required personnel protection
equipment (e.g. laser safety goggles) must be provided by the
customer's responsible body.
•
The customer's laser safety officer (LSO) must review and approve
all installations before being put into operation. Any safety
concerns must be immediately reported to the customer's LSO.
•
If at any time, the indicators provided on the testhead for
INTERLOCK STATUS or LASER POWER ON should fail to
light or properly indicate status, immediately contact a Keithley
service representative for repair. Failure to do so may expose the
user to hazards without proper warnings. See Interlock status
indicator test sequence in Section 9 for details on testing the
indicator lights.
•
Maximum isolation from earth ground is 10V. Exceeding this
value may result in a shock hazard.
•
When making connections, do not leave any exposed connections.
Be sure that all external circuits are properly insulated.
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