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USBCam2 User Guide B1051061 Rev. –

23

Immunity Test

IEC 60601 Test

Level

Compliance

Level

Guidance

supply input lines

IEC 61000-4-11

for 0.5

cycle

< 40% U

T

(>60% dip in

U

T)

for 5

cycles

< 70% U

T

(>30% dip in

U

T)

for 25

cycles

< 5% U

T

(>95% dip in

U

T)

for 5

sec

for 0.5

cycle

< 40% U

T

(>60% dip in

U

T)

for 5

cycles

< 70% U

T

(>30% dip in

U

T)

for 25

cycles

< 5% U

T

(>95% dip in

U

T)

for 5

sec

USBCam2 requires continued

operation during mains interruptions,

it is recommended that the PC

workstation to which the USBCam2

is connected be powered from an

uninterruptible power supply or

battery.

NOTE: U

T

is the AC

mains voltage

prior to application of the test level.

Power frequency (50/60

Hz) magnetic field

IEC 61000-4-8

3A/m 3A/m

Conducted RF

IEC 61000-4-6

3 Vrms

150 kHz to 80 MHz

3 Vrms

Portable and mobile RF

communication equipment should be

used no closer to any part of the

USBCam2, including its cables, than

the recommended separation distance

calculated from the equation

applicable to the frequency of the

transmitter.

Recommended separation distance:

d= 1.2 √ P

Radiated RF

IEC 61000-4-3

3 V/m

80 MHz to 2.5 GHz

3 V/m

d= 1.2 √ P for 80 MHz to 800Mhz

d= 2.3 √ P for 800 MHz to 2.5Ghz

Where P is the maximum output

rating of the transmitter in watts (W)

according to the transmitter

manufacturer and d is the

recommended separation in meters

(m).

Field strengths from fixed RF

transmitters, as determined by an

electromagnetic site survey,

a

should

be less than the compliance level in

each frequency range.

b

Interference may occur in the vicinity

of equipment marked with the

following symbol.

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