SD3 Series Ultrasonic Pocket Doppler User Manual EMC Information
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A3.2 Electromagnetic Immunity
Guidance and manufacture’s declaration–electromagnetic immunity
The SD3 Series Ultrasonic Pocket Doppler is intended for use in the electromagnetic environment
specified below. The customer or the user of the device should assure that it is used in such an
environment.
Electromagnetic
environment-guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
Floors should be wood,
concrete or ceramic tile. If
floor are covered with
synthetic material, the relative
humidity should be at least
30%.
Electrical Fast
Transient/Burst
IEC/EN61000-4-4
±2 kV for power supply lines
±1 kV for input/output lines
± 1 kV line(s) to line(s)
± 2 kV line(s) to earth
Voltage dips, short
interruptions, and
voltage variations
on power supply
input lines
IEC/EN61000-4-11
<5%UT(>95% dip inUT)
for 0.5cycle
40%UT(60%dip in UT)
for 5 cycles
70%UT(30%dip in UT)
for 25 cycles
<5%UT(>95% dip in UT)
for 5s
Power frequency
(50 Hz/60 Hz)
magnetic field
IEC61000-4-8
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.