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Tommee Tippee Digital Ear thermometer Manual

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GUIDANCE AND MANUFACTURER’S DECLARATION – ELECTROMAGNETIC IMMUNITY
The Digital Ear Thermometer is intended for use in the electromagnetic environment specified
below. The customer or the user of the Digital Ear Thermometer. should assure that it is used in
such an environment.
Immunity test
Electrostatic
discharge (ESD)
IEC 61000-4-2
Electrical fast
transient/burst
IEC 61000-4-4
Surge
IEC 61000-4-5
interruptions
and voltage
variations on
power supply
input lines
IEC 61000-4-11
Power
frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
Compliance
level
6 kV contact
8 kV air
Not
applicable
Not
applicable
Not
applicable
3 A/m
Electromagnetic environment –
guidance
Floors should be wood, concrete
or ceramic tile. If floors are
covered with synthetic material,
the relative humidity should be at
least 30 %.
Mains power quality should be
that of a typical commercial or
hospital environment.
Mains power quality should be
that of a typical commercial or
hospital environment.
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the Digital Ear Thermometer
requires continued operation
during power mains
interruptions, it is recommended
that the Digital Ear Thermometer
be powered from an
uninterruptible power supply or a
battery.
Power frequency magnetic fields
should be at levels characteristic
of a typical location in a typical
commercial or hospital
environment.
IEC 60601 test level
6 kV contact
8 kV air
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
<5 % UT
(>95 % dip in UT)
for 0,5 cycle
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 5 sec
3 A/m
NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is
affected by absorption and reflection from structures, objects and people.
a. Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless)
telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV
broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic
environment due to fixed RF transmitters, an electromagnetic site survey should be considered.
If the measured field strength in the location in which the Digital Ear Thermometer is used
exceeds the applicable RF compliance level above, the Digital Ear Thermometer should be
observed to verify normal operation. If abnormal performance is observed, additional
measures may be necessary, such as reorienting or relocating the Digital Ear Thermometer.
b. Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.
RECOMMENDED SEPARATION DISTANCES BETWEEN PORTABLE AND MOBILE RF
(RADIO FREQUENCY) COMMUNICATIONS EQUIPMENT AND THE ME EQUIPMENT
OR ME SYSTEM
The Digital Ear Thermometer is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. The customer or the user of the Digital Ear Thermometer can
help prevent electromagnetic interference by maintaining a minimum distance between portable
and mobile RF communications equipment (transmitters) and the Digital Ear Thermometer as
recommended below, according to the maximum output power of the communications equipment.
Rated maximum output
power of transmitter
W
For transmitters rated at a maximum output power not listed above, the recommended separation
distance d in meters (m) can be estimated using the equation applicable to the frequency of the
transmitter, where P is the maximum output power rating of the transmitter in watts (W)
according to the transmitter manufacturer.
NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected
by absorption and reflection from structures, objects and people.
80 MHz to 800 MHz
d = 1,2 √P
0,12
0,38
1,2
3,8
12
800 MHz to 2,5 GHz
d = 2,3 √P
0,23
0,73
2,3
7,3
23
150 kHz to 80 MHz
d = 1,2 √P
0,12
0,38
1,2
3,8
12
Separation distance according to frequency of transmitter
m
0,01
0,1
1
10
100
NOTE UT is the a.c. mains voltage prior to application of the test level.
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