Directions for use
Specifications
69
Elect
r
omag
n
etic Imm
un
ity
The MicroTymp3 is intended for use in the electromagnetic environment specified below. The customer or user of the MicroTymp3 should
assure that it is used in such an environment.
Imm
un
ity Test
IEC 60601
Test Level
Complia
n
ce Level
Elect
r
omag
n
etic E
n
vi
r
o
n
me
n
t - G
u
ida
n
ce
Electrostatic discharge
(ESD)
IEC 61000-4-2
± 6 kV contact
± 8 kV air
± 6 kV contact
± 8 kV air
Floors should be wood, concrete, or ceramic tile. If floors are
covered with synthetic material, the relative humidity should
be at least 30%.
Electrical fast transient/
burst
IEC 61000-4-4
±2 kV for power supply
lines
±1 kV for input/output
lines
±2 kV for power supply
lines
±1 kV for input/output
lines
Mains power quality should be that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
±1 kV differential mode
±2 kV common mode
±1 kV differential mode
±2 kV common mode
Mains power quality should be that of a typical commercial or
hospital environment.
Voltage dips, short
interruptions, and
voltage variations on
power supply input
lines.
IEC 61000-4-11
>95% dip in 0.5 cycle
60% dip in 5 cycles
30% dip for 25 cycles
>95% dip in 5 seconds
>95% dip in 0.5 cycle
60% dip in 5 cycles
30% dip for 25 cycles
>95% dip in 5 seconds
Mains power quality should be that of a typical commercial or
hospital environment. If the user of the MicroTymp3 requires
continued operation during power mains interruptions, it is
recommended that the MicroTymp3 be powered from an
uninterruptible power supply or battery.
Note: “Dip” refers to a dip in mains voltage.
Power frequency
(50/60Hz)
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.
Summary of Contents for MicroTymp 3 Handle
Page 1: ...MicroTymp 3 portable tympanometric instrument Directions for use...
Page 6: ...vi Contents Welch Allyn MicroTymp3 portable tympanometric instrument...
Page 16: ...16 Introduction Welch Allyn MicroTymp3 portable tympanometric instrument...
Page 22: ...22 Completing a test Welch Allyn MicroTymp3 portable tympanometric instrument...
Page 30: ...30 Understanding the LCD messages Welch Allyn MicroTymp3 portable tympanometric instrument...
Page 48: ...48 Printing 226 Hz results Welch Allyn MicroTymp3 portable tympanometric instrument...
Page 72: ...72 Specifications Welch Allyn MicroTymp3 portable tympanometric instrument...