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Service Considerations; Cautions, Warnings And Safety Precautions; Esd Information; Generating Static - HP Z210 Maintenance And Service Manual

Convertible mini tower workstation.
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NOTE:
HP accessories are for use in HP Workstation products. They have been extensively tested for
reliability and are manufactured to high quality standards.

Service considerations

Review the following service considerations before replacing system components.

Cautions, warnings and safety precautions

Review the cautions, warnings, and safety precautions before accessing the computer components.
Also, review the Safety and Regulatory Guide that came with the computer for more information.

ESD information

Generating static

The following table shows that different activities generate different amounts of static electricity through
electrostatic discharge (ESD). Static electricity increases as humidity decreases.
Walking across carpet
Walking across vinyl floor
Motions of bench worker
Removing bubble pack from
PCB
Packing PCBs in foam-lined box
CAUTION:
ENWW
Event
7,500V
3,000V
400V
7,000V
5,000V
Static electricity in the amount of 700 volts might degrade a product.
Relative humidity
55%
40%
15,000V
35,000V
5,000V
12,000V
800V
6,000V
20,000V
26,500V
11,000V
21,000V
10%
Service considerations
55

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