GSI
Allegro Tympanometer
User Manual
D-0120695 Rev D 2022-06 Page 47
Guidance and Manufacturer’s Declaration - Electromagnetic Immunity
The GSI Allegro is intended for use in the electromagnetic environment specified below. The customer or the user
of the Allegro should assure that it is used in such an environment.
Environment-Guidance
(ESD)
IEC 61000-4-2
±15 kV air
±15 kV air
concrete or ceramic tile. If
floors are covered with
synthetic material the
relative humidity should be
greater than 30%.
Transient/Burst
IEC 61000-4-4
lines
±1 kV for input/output
lines
Not Applicable
Mains power quality should
be that of a typical
commercial or hospital
environment.
IEC 61000-4-5
Neutral
Mains power quality should
be that of a typical
commercial or hospital
environment.
Interruptions and
Voltage Variations on
Power Supply Lines
IEC 61000-4-11
0% UT; 0.5 cycle (voltage
shift @ At 0, 45, 90, 135,
180, 225, 270 and 315
degrees)
0% UT; 1 cycle
70% UT; 25/30 cycles
(single phase @ 0
degrees)
0% UT; 25/30 cycles
0% UT; 1 cycle
70% UT; 25/30 cycles
0% UT; 25/30 cycles
Mains power quality should
be that of a typical
commercial or hospital
environment.
(50/60 Hz)
IEC 61000-4-8
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
Note: UT is the a.c. mains voltage prior to application of the test level.