D.3 ELECTROMAGNETIC IMMUNITY

Guidance and manufacturer’s declaration – electromagnetic immunity

The MR810 is intended for use in the electromagnetic environment specified below. The customer or the user of the MR810 should assure that it is used in such an environment.

Immunity TestIEC60601Compliance LevelElectromagnetic environment -

 

test level

 

guidance

Electrostatic

± 6 kV contact

± 6 kV contact

Floors should be wood, concrete or

discharge (ESD)

± 8 kV air

± 8 kV air

ceramic tile. If floors are covered

IEC 61000-4-2

 

 

with synthetic material, the relative

 

 

 

humidity should be at least 30 %.

Electrical fast

± 2 kV for power

± 2 kV for power

Mains power quality should be that

transient/burst

supply lines

supply lines

of a typical commercial or hospital

IEC 61000-4-4

± 1 kV for

± 1 kV for

environment.

 

input/output lines

input/output lines

 

Surge

± 1 kV differential

± 1 kV differential

Mains power quality should be that

IEC 61000-4-5

mode

mode

of a typical commercial or hospital

 

± 2 kV common

± 2 kV common

environment.

 

mode

mode

 

Voltage dips, short

< 5 % UT

< 5 % UT

Mains power quality should be that

interruptions and

(> 95 % dip in UT for

(> 95 % dip in UT for

of a typical commercial or hospital

voltage variations on

0,5 cycle)

0,5 cycle)

environment. If the user of the

power supply input

40 % UT

40 % UT

MR810 requires continued

lines

operation during power mains

IEC 61000-4-11

(60 % dip in UT for 5

(60 % dip in UT for 5

operation, it is recommended that

 

cycles)

cycles)

the MR810 shall be powered from

 

70 % UT

70 % UT

an uninterruptible power supply or

 

battery.

 

(30 % dip in UT for

(30 % dip in UT for

 

 

25 cycles)

25 cycles)

 

 

< 5 % UT

< 5 % UT

 

 

(> 95 % dip in UT for

(> 95 % dip in UT for

 

 

5 seconds)

5 seconds)

 

Power Frequency

3 A/m

3 A/m

Power frequency magnetic fields

(50/60 Hz) magnetic

 

 

should be at levels characteristic of

field

 

 

a typical location in a typical

IEC 61000-4-8

 

 

commercial or hospital

 

 

 

environment.

Note: UT is the a.c. mains voltage prior to application of the test level.

D

MR810 Technical Manual Revision C REF 185042601

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