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ESU-X 300NT_EN B
18.04.2018
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BIPOLAR CURRENTS
CURRENT
Maximum
Power
Load
Vp/p
Frequency (F) -
Crest Factor (CF)
– Modulation (M) -
Duty Cycle (DT)
Acoustic and
Luminous Signals
PURE
140 W
310
840 V
F:
435 kHz-
CF:
1.5
–
M:
No
–
DT:
no
Loud tone, Yellow
light
BLEND
120 W
310
990 V
F:
435 kHz-
CF:
1.8
–
M:
29 kHz
–
DT:
75 %
Loud tone, Yellow
light
MICRO
120 W
100
440 V
F:
435 kHz-
CF:
1.7
–
M:
No
–
DT:
no
High tone, Blue light
AUTO
See
MICRO
MACRO
120 W
100
750 V
F:
440 kHz-
CF:
1.7
–
M:
No
–
DT:
no
High tone, Blue light
Conformity EMC/Directive 89/336/CEE: Category A
Suggested distances to keep from not vital devices
Source of the Current RF
Typical Power (W)
Distance (m)
Microcellular telephones CT1,CT2,CT3
0.01
0.4
Mobile telephones DECT, Wireless devices (modems, LANs)
0.25
2
Mobile telephones (USA)
0.6
3
Hand mobile telephones (GSM, NMT, Europe)
(DECS 1800)
2
8
6
11
Walkie-talkie (police, firemen , protection, maintenance)
5
9
Bag mobile telephones
16
16
Mobile radio (police, firemen, protection)
100
40
For broadcasting stations which use frequencies less than 800MHz, the distance can be established by using the equation: A:
d =
4
√P
For broadcasting stations which use frequencies between 800MHz and 2.5GHz, the distance can be established by using the equation:
B :
d =2.3√P
P = Nominal power of the transmitter in watt (W), established by the manufacturer.
