Zoom Model 27 Manuel de l'opérateur télécharger pdf (Page 41)

Table 6. Guidance and manufacturer’s declaration - electromagnetic immunity -

for all equipment systems (continued)

Immunity test

IEC 60601 test

level

Compliance le vel

Electromagnetic

environment —

guidance

±1 kV line(s) to

line(s)

±1 kV differential

mode

Surge (IEC

61000-4-5)

±2 kV line(s) to

earth

±2 kV common

mode

Mains power

quality should

be that of a

typical commercial

or hospital

environment.

<5% U

(>95%

dip in U

)for0.5

cycle

<5% U

(>95% dip

in U

) for 0.5 cycle

40% U

(60% dip

in U

) for 5 cycles

40% U

(60% dip

in U

) for 5 cycles

70% U

(30% dip

in U

) for 25 cycles

70% U

(30% dip

in U

) for 25 cycles

Voltage dips, short

interruptions, and

voltage v ariations

on power-supply

input lines (IEC

61000-4-11)

<5%U

(>95% dip

in U

)for5sec

<5%U

(>95% dip

in U

) for 5 sec

Mains power

quality should

be that of a

typical commercial

or hospital

environment. If the

user of the PRM

requires continued

operation during

power mains

interruptions, it

is recommended

that the PRM be

powered from an

uninterruptible

power supply or

a battery.

Power frequency

(50/60 Hz)

magnetic ﬁeld (IEC

61000-4-8)

3 A/m 3 A/m Power frequency

magnetic ﬁelds

should be at levels

characteristic of a

typical location in a

typical commercial

or hospital

environment.

a. The PRM and ZWT are intended for use in the electromagnetic environment speciﬁed in the table.

The customer or th

e user should ensure they are used in such an environment.

b. U

is the AC mains voltage prior to application of the test level.

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Zoom Model 27 Manuel de l'opérateur Page 41

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