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switching cards, or making internal changes, such as install-

ing or removing jumpers.

Do not touch any object that could provide a current path to

the common side of the circuit under test or power line

(earth) ground. Always make measurements with dry hands

while standing on a dry, insulated surface capable of with-

standing the voltage being measured.

The instrument and accessories must be used in accordance

with its speciﬁcations and operating instructions or the safety

of the equipment may be impaired.

Do not exceed the maximum signal levels of the instruments

and accessories, as deﬁned in the speciﬁcations and operat-

ing information, and as shown on the instrument or test ﬁx-

ture panels, or switching card.

When fuses are used in a product, replace with same type and

rating for continued protection against ﬁre hazard.

Chassis connections must only be used as shield connections

for measuring circuits, NOT as safety earth ground connec-

tions.

If you are using a test ﬁxture, keep the lid closed while power

is applied to the device under test. Safe operation requires the

use of a lid interlock.

If a screw is present, connect it to safety earth ground

using the wire recommended in the user documentation.

The symbol on an instrument indicates that the user

should refer to the operating instructions located in the man-

ual.

The symbol on an instrument shows that it can source

or measure 1000 volts or more, including the combined ef-

fect of normal and common mode voltages. Use standard

safety precautions to avoid personal contact with these volt-

ages.

The

WARNING

heading in a manual explains dangers that

might result in personal injury or death. Always read the as-

Keithley 7001 Quick Reference Guide

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