Safety Considerations
The Model HP 8I53A is a Class 1 instrument (that is, an instrument
with an exposed metal chassis directly connected to earth via the
power supply cable). The symbol used to show a protective earth
terminal in the instrument is ~ .
Before operation, you should review the instrument and manual,
including the red safety page, for safety markings and instructions.
You must follow these to ensure safe operation and to maintain the
instrument in safe condition.
Some HP 8I53A circuits are powered whenever the instrument is
connected to the AC power source. To disconnect from the line
power , disconnect the power cord either at the rear power-inlet or at
the AC line-power source (receptacle). One of these must always be
accessible. If the instrument is in a cabinet, it must be disconnected
from the line power by the system's line-power switch.
Initial Inspection
Inspect the shipping container for damage. If there is damage to
the container or cushioning, you should keep them until you have
checked the contents of the shipment for completeness and verified
the instrument both mechanically and electricaliy.
The Performance Tests give procedures for checking the operation of
the instrument. If the contents are incomplete, mechanical damage or
defect is apparent , or if an instrument does not pass the operator's
checks, notify the nearest Hewlett-Packard office.
Warning
To avoid hazardous electrical shock, do not perform electrical tests
when there are signs of shipping damage to any portion of the outer
enclosure (covers, panels,
etc.),
Line Power Requirements
The HP 8I53A can operate from any single-phase AC power source
that supplies between 100V and 240V at a frequency in the range
from 40 to 60Hz. The maximum power consumption is 55VA with ali
options instalied.
The fuse used by this instrument is TIA / 250V (slow) (HP Part No.
2110-0007). This fuse is located on the power supply board.
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