HP 8591C Manuel d'utilisateur télécharger pdf (Page 60)

100

101

Electrostatic

Discharge

Electrostatic discharge (ESD) can damage or destroy electronic components.

All work on electronic assemblies should be performed at a static-safe work

station. Figure l-5 shows an example of a static-safe work station using two

types of ESD protection:

l Conductive table-mat and wrist-strap combination.

l Conductive floor-mat and heel-strap combination

Both types, when used together, provide a significant level of ESD protection.

Of the two, only the table-mat and wrist-strap combination provides adequate

ESD protection when used alone.

To ensure user safety, the static-safe accessories must provide at least 1

Mdl

of isolation from ground. Refer to Table l-5 for information on ordering

static-safe accessories.

Reducing

Damage

Caused

ESD

The following suggestions may help reduce ESD damage that occurs during

testing and servicing operations.

l Before connecting any coaxial cable to an cable TV analyzer connector

for the first time each day, momentarily ground the center and outer

conductors of the cable.

l Personnel should be grounded with a resistor-isolated wrist strap before

touching the center pin of any connector and before removing any

assembly from the unit.

l Be sure that all instruments are properly earth-grounded to prevent a

buildup of static charge.

Table l-5 lists static-safe accessories that can be obtained from

Hewlett-Packard by using the HP part numbers shown.

l-39

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 549 550

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HP 8591C Manuel d'utilisateur Page 60

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