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Keysight RP7971A Guide D'utilisation Et De Maintenance page 65

Système d'alimentations régénératrices

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Observe Environmental Conditions
Do not operate the instrument in the presence of flammable gases or fumes.
The environmental conditions for the power supply are documented under
Basically, the unit should only be operated indoors in a controlled environment. Do not operate the
unit in areas where the ambient temperature exceeds +55 degrees Celsius. This applies for rack-
mounting as well as for bench use.
Provide Adequate Air Flow
Do not block the air intake at the front, or the exhaust at the rear of the instrument.
The dimensions of your power supply as well as an outline diagram are given under
Fans cool the power supply by drawing air through the front and exhausting it out the back. The unit
must be installed in a location that allows sufficient space of at least 12 inches (30.5 cm) at the front
and back of the unit for adequate air circulation.
In case of excessive ambient temperature or blockage of airflow at the air inlet or outlet of the
instrument, an over-temperature protection will disable the output to protect the power supply and
device under test.
Moving Instruments
Keysight RPS models weigh as much as 126 lbs. (57.2 kg). Always use a sturdy cart or
other suitable device to move the instrument. Two people are required for installation.
Do not lift or move the unit alone. Avoid moving the unit by hand. If unavoidable, lift
only the unit's chassis; do not lift the unit using the output terminals or front panel.
Stacking Instruments
Never stack more then three 20 kW-rated units on top of one another in a free-
standing installation. Additionally, because of their increased weight, 30 kW-rated
units cannot be stacked.
Rack Mounting Accessories
Accessory
Keysight 1CP108A
Rack mount kit with handles - for use with all 20 kW models
Keysight 1CP120A
Rack mount kit with handles - for use with all 30 kW models
Keysight RP7908A
Rack rails for Keysight racks or similar design
Keysight RP7970 & RP7980 Series Operating and Service Guide
Description
2 Installing the Instrument
Common
Characteristics.
Outline
Diagram.
65

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