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Guide and manufacturer's statement - electromagnetic immunity
The Tesmed Max 7.8 electro stimulator is designed to work in the electromagnetic environment described below.
The customer or user of the Tesmed Max 7.8 electro stimulator must guarantee that it used in such an environment.
Immunity test
Electrostatic discharge (ESD)
IEC 6100-4-2
Transiting / fast electric
trains
IEC 6100-4-4
Overvoltage
IEC 61000-4-5
Voltage drops, brief cuts
and variations in voltage
on supply input lines
IEC 61000-4-11
Magnetic field at mains
frequency (50/60 Hz)
IEC 61000-4-8
NOTE: U
is the AC mains voltage rate prior to application of the test level.
T
Recommended separation distances between portable and
mobile radio frequency equipment and the Tesmed Max 7.8 electro stimulator
The Tesmed Max 7.8 electro stimulator is designed to work in an electromagnetic environment where irradiated RF inter-
ference levels are kept under control. The customer or the user of the Tesmed Max 7.8 electro stimulator may help avoi-
ding electromagnetic interference by guaranteeing a min distance between mobile and portable RF communication devi-
ces (transmitters) and the Tesmed Max 7.8 electro stimulator, as recommended below and to suit the max output power
of the radio communication devices.
Max output power
of the specified
transmitter
(W)
0,01
0,1
1
10
100
Transmitters with a max output power not indicated above: the recommended separation distance in metres (m) can be calcu-
lated using the applicable equation for the transmitter frequency, where P is the max nominal output power of the transmitter in
Watts (W) as indicated by the manufacturer of the transmitter and d is the recommended separation distance in metres (m).
NOTE 1: At 80 MHz and 800 MHz, the highest frequency interval is applied.
NOTE 2: These guidelines may not apply to all situations. Electromagnetic propagation is influenced by the absorption and
reflection of structures, objects and people.
IEC 60601 test
level
± 8kV contact
± 15kV in air
± 2kV for power lines
±1kV for input/output
lines
±1kV differential mode
±2kV common mode
5% U
(>95% drop in
T
U
) for 0,5 cycles
T
40% U
(60% drop in
T
U
) for 5 cycles
T
70% U
(30% drop in
T
U
) for 25 cycles
T
<5% U
(>95% drop in
T
U
) for 5 secondi
T
30 A/m
Separation distance at the transmitter frequency (m)
150kHz - 80MHz
1,17
0,12
0,37
1,17
3,7
11,7
- 111 -
Conformity
level
Floors must be wooden, concrete
± 8kV contact
or tiled. If floors are covered with a
synthetic material, the relative
humidity should be at least 30%.
± 15kV in air
The Tesmed Max 7.8 electro stimu-
lator is a device with DC power
Not applicable
supply from an incorporated bat-
tery
The Tesmed Max 7.8 electro stimu-
lator is a device with DC power
Not applicable
supply from an incorporated bat-
tery
The Tesmed Max 7.8 electro stimu-
Not applicable
lator is a device with DC power
supply from an incorporated bat-
tery
The Tesmed Max 7.8 electro stimu-
lator is a device with DC power
Not applicable
supply from an incorporated battery
80MHz - 800MHz
1,17
0,12
0,37
1,17
3,7
11,7
Electromagnetic
environment - guide
800MHz - 2,5GHz
1,17
0,23
0,74
2,33
7,37
23,3
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