1Structure of the documentSirona Dental Systems GmbH
1.1Identification of the danger levelsInstallation Requirements HELIODENT
Structure of the document
1
PLUS
1.1
Identification of the danger levels
To prevent personal injury and material damage, please observe the
warning and safety information provided in these operating instructions.
Such information is highlighted as follows:
DANGER
An imminent danger that could result in serious bodily injury or death.
WARNING
A possibly dangerous situation that could result in serious bodily injury
or death.
CAUTION
A possibly dangerous situation that could result in slight bodily injury.
NOTICE
A possibly harmful situation which could lead to damage of the product
or an object in its environment.
IMPORTANT
Application instructions and other important information.
1.2
Tip: Information on making work easier.
Formats and symbols used
The formats and symbols used in this document have the following
meaning:
Prerequisite
1. First action step
2. Second action step
or
➢ Alternative action
Result
➢ Individual action step
See "Formats and symbols
used [ → 4]"
● ListDesignates a list.
"Command / menu item"Indicates commands, menu items or
Prompts you to do something.
Identifies a reference to another text
passage and specifies its page
number.
quotations.
4D3507.021.01.06.02 07.2016
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Sirona Dental Systems GmbH 2Safety instructions
Installation Requirements HELIODENT
PLUS
Safety instructions
2
2.1Shielding of room
2.1
2.2
2.3
Shielding of room
HELIODENT Plus
When using the HELIODENT Plus X-ray tube assembly, proper shielding
of the room and operator position is essential.
It is the installer's responsibility to ensure that all local radiation
regulations and safety measures are met.
Electromagnetic compatibility
The unit should not be operated in the immediate vicinity of other devices.
If this proves to be unavoidable, the unit should be monitored to ensure
that it is operating properly.
Modifications and extensions of the system
Modifications and extensions to the unit
Modifications to this unit which might affect the safety of the system
owner, patients or other persons are prohibited by law.
For reasons of product safety, this product may be operated only with
original Sirona accessories or third-party accessories expressly approved
by Sirona. The user assumes the risk of using non-approved accessories.
Release outside of the X-ray room with remote control, door contact
safety circuit
● Door contact
– Door contact S7 wired to the remote control housing
● Release
– Manual release S3
or
– Remote control release key S9
NOTICE
Installation requirement
Use of the remote control is permissible only if the yellow X-Ray LED is
visible to the operating personnel during radiation release.
Installation option 7
Installation option 7
Release outside of the X-ray room with Remote Timer, door contact
safety circuit
● Door contact
– Door contact S7
● Release
– Release key on the control membrane S4
Installation option 8
Installation option 8
Release outside of the X-ray room with Remote Timer, door contact
safety circuit
● Door contact
– Door contact S7 wired to Remote Timer
● Release
– Manual release S3
8D3507.021.01.06.02 07.2016
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Sirona Dental Systems GmbH 3Prior to installation
K
L
M
N
O
Installation Requirements HELIODENT
PLUS
3.2On-site installation
3.2
On-site installation
Wall properties
CAUTION
Observe wall properties
In installation situations, the technician is responsible for the
assessment of wall properties and selecting the method of attaching the
unit to the wall.
KTensile force per screw
3600 N (800 lbf) if L ≤ 700mm (27 1/2“)
4200N(950 lbf) if L ≤ 950mm (37 3/8“)
LLength of support arm
MMounting plate (supplied)
NAnchor plate
OThreaded bolt M8
bеЦдблЬ
● The permissible tensile force of the selected attachment must at least
equal the tensile force listed above.
● Matching wood screws for wooden beams are included in delivery.
● For all other wall structures, special wall anchors must be purchased
from a selected dealer. The wall anchors and screws should be
identical for every attachment point.
● Alternatively, an anchor plate can be used as a counter bearing. In
this case, M8 threaded rods of the appropriate length for the wall
(thickness of the wall + 2 x mounting plate thickness + attachment
material) are required.
It is possible to conceal the installation site of an old unit when installing
PLUS
a HELIODENT
.
● For the replacement of vertically mounted old units (e.g. HELIODENT
DS, HELIODENT MD, Planmeca Intra
1
) an adapter plate is available
for this purpose, REF 62 42 254.
● The drill holes of some vertically mounted units (e.g. Progeny Previa
1
, Gendex 765DC 1) coincide with the dimensions of the drill holes of
PLUS
the Heliodent
. No adapter plate is required.
NOTICE
Regardless of their prior use, the existing drill holes and wall plugs must
comply with the installation regulations and must be checked by the
person performing installation.
NOTICE
The different connection areas of the old units make it necessary to
relocate the existing electrical connections (e.g. concealed installation)
on-site.
CAUTION
The on-site electrical installation must be performed according to the
valid regulations for medical electrical equipment (DIN VDE 0100-710).
● Cable for remote control or Remote Timer: Conduit ⌀ int. min. 12mm
(1/2"), requires an excess length of at least 0.25 m (10") at both ends.
● Power cable 3x1.5 mm
2
(AWG 16); required excess length for
concealed installation: 0.25m (10").
CAUTION
Do not install the cables for Remote Timer and power cables in the same
conduit.
Fixed connection
NOTICE
The Heliodent
Plus
wall model is suitable for fixed installation only.
DANGER
Perilous shock hazard!
Fixed connection!
Installing a mains plug instead of the specified fixed connection infringes
international medical regulatory actions and is prohibited. In case of
error, this puts patients, users, and other parties seriously at risk.
1. The product names mentioned may be copyrighted by their respective owners.
10D3507.021.01.06.02 07.2016
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Page 11
Sirona Dental Systems GmbH 3Prior to installation
Installation Requirements HELIODENT
PLUS
3.2On-site installation
Pretransformer
CAUTION
Observe the permissible nominal voltage range!
The unit can be connected to 120 V (1-phase connection) or to
200 - 240 V (1- or 2-phase connection),
for all other voltages a pre-transformer is required. As a ceiling model or
device model,
PLUS
the HELIODENT
only be connected to 200 - 240 V (1 or 2-phase connection).
For the USA only
For the USA only
Power supply:
A separate three wire grounded circuit connected directly to the central
distribution panel with an over-current protection rated for 20 amperes
should be used.
must
bеЦдблЬ
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11
Page 12
4Dimensions, technical dataSirona Dental Systems GmbH
2300
90 1/2”
1110
43 3/4”
281
11”
35
1 3/8”
343
13 1/2”
50
2”
75
3”
2310
91”
A
B
C
D
E
220
8 5/8”
374
14 3/4”
350
13 3/4”
F
236
9 1/4”
153
6”
1545
61”
230
9”
150
5 7/8”
40
1 1/2”
145
5 3/4”
G
H
I
J
294
11 1/2”
213
8 3/8”
176
7”
4.1Dimensions with round support armInstallation Requirements HELIODENT
Dimensions, technical data
4
PLUS
4.1
Dimensions with round support arm
4.1.1Dimensions of front view with all options
12D3507.021.01.06.02 07.2016
ARecommended installation height for the wall module
BCable bushing for network cable
CUnit height
DCeiling height
EWooden beam
FWall module cover
GCable bushing for remote control or Remote Timer
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Sirona Dental Systems GmbH 4Dimensions, technical data
A
max. 1840
72 1/2”
min. 930
36 5/8”
1480
58 1/4”
300°
2040
80 1/4”
1385
54 1/2”
297
11 5/8”
950
37 3/8”
T
Installation Requirements HELIODENT
PLUS
4.1Dimensions with round support arm
HRecommended installation height of remote control or Remote
Timer
IRemote control or Remote Timer
JCover for remote control or Remote Timer
4.1.2Dimensions for 950 mm (37 3/8") support arm
Side view
ARecommended installation height: 1110 mm (43 3/4")
TX-ray tube assembly with standard tube, 200 mm (8")
SSD
bеЦдблЬ
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13
Page 14
4Dimensions, technical dataSirona Dental Systems GmbH
1352
54”
1150
45 1/4”
180°
1850
72 7/8”
268
10 1/2”
2280
89 3/4”
540°
4.1Dimensions with round support armInstallation Requirements HELIODENT
PLUS
Top view
14D3507.021.01.06.02 07.2016
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Page 15
Sirona Dental Systems GmbH 4Dimensions, technical data
min. 1300
51 1/8”
min. 1150
45 1/4”
min. 2350
92 1/2”
600
23 5/8”
220
8 5/8”
min. 1300
51 1/8”
min. 1500
59”
250
9 7/8”
220
8 5/8”
800
31 1/2”
Installation Requirements HELIODENT
PLUS
4.1Dimensions with round support arm
Minimum dimensions for X-ray rooms
with 950 mm (37 3/8") support arm
bеЦдблЬ
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15
Page 16
4Dimensions, technical dataSirona Dental Systems GmbH
A
max. 1840
72 1/2”
min. 930
36 5/8”
1230
48 1/2”
300°
1790
70 1/2”
1385
54 1/2”
297
11 5/8”
700
27 1/2”
T
4.1Dimensions with round support armInstallation Requirements HELIODENT
PLUS
4.1.3Dimensions for 700 mm (27 1/2") support arm
Side view
ARecommended installation height: 1110 mm (43 3/4")
TX-ray tube assembly with standard tube, 200 mm (8")
SSD
16D3507.021.01.06.02 07.2016
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Page 17
Sirona Dental Systems GmbH 4Dimensions, technical data
1352
54”
1600
63”
268
10 1/2”
900
35 1/2”
2030
80”
180°
540°
Installation Requirements HELIODENT
PLUS
4.1Dimensions with round support arm
Top view
bеЦдблЬ
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17
Page 18
4Dimensions, technical dataSirona Dental Systems GmbH
min. 1100
43 1/4”
min. 1150
45 1/4”
min. 2080
81 7/8”
600
23 5/8”
220
8 5/8”
min. 1200
47 1/4”
min. 1200
47 1/4”
250
9 7/8”
220
8 5/8”
800
31 1/2”
4.1Dimensions with round support armInstallation Requirements HELIODENT
PLUS
Minimum dimensions for X-ray rooms
with 700 mm (27 1/2") support arm
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Page 19
Sirona Dental Systems GmbH 4Dimensions, technical data
A
max. 1840
72 1/2”
min. 930
36 5/8”
940
37”
300°
1500
59”
1385
54 1/2”
297
11 5/8”
410
16 1/8”
T
Installation Requirements HELIODENT
PLUS
4.1Dimensions with round support arm
4.1.4Dimensions for 410 mm (16 1/8") support arm
Side view
ARecommended installation height: 1110 mm (43 3/4")
TX-ray tube assembly with standard tube, 200 mm (8")
SSD
bеЦдблЬ
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19
Page 20
4Dimensions, technical dataSirona Dental Systems GmbH
1352
54”
1300
51 1/8”
268
10 1/2”
610
24”
1740
68 1/2”
180°
540°
4.1Dimensions with round support armInstallation Requirements HELIODENT
PLUS
Top view
20D3507.021.01.06.02 07.2016
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Page 21
Sirona Dental Systems GmbH 4Dimensions, technical data
min. 1100
43 1/4”
700
27 1/2”
min. 1600
63”
620
24 3/8”
220
8 5/8”
300
11 3/4”
min. 1400
55 1/8”
min. 1200
47 1/4”
250
9 7/8”
220
8 5/8”
1000
39 3/8”
Installation Requirements HELIODENT
PLUS
4.1Dimensions with round support arm
Minimum dimensions for X-ray rooms
with 410 mm (16 1/8") support arm
bеЦдблЬ
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21
Page 22
4Dimensions, technical dataSirona Dental Systems GmbH
1229
48 3/8”
685
27”
350
13 3/4”
2110
83”
400
15 3/4”
4.1Dimensions with round support armInstallation Requirements HELIODENT
PLUS
4.1.5Dimensions mobile stand
Front view
22D3507.021.01.06.02 07.2016
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Page 23
Sirona Dental Systems GmbH 4Dimensions, technical data
610
24”
540°
550
21 5/8”
973
38 3/8”
782
30 3/4”
1740
68 1/2”
1330
52 3/8”
1001
39 3/8”
180°
Installation Requirements HELIODENT
PLUS
4.1Dimensions with round support arm
Top view
bеЦдблЬ
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23
Page 24
4Dimensions, technical dataSirona Dental Systems GmbH
2325
91 1/2”
1110
43 3/4”
281
11”
35
1 3/8”
343
13 1/2”
50
2”
75
3”
2335
92”
A
B
C
D
E
220
8 5/8”
374
14 3/4”
350
13 3/4”
F
236
9 1/4”
153
6”
1545
61”
230
9”
150
5 7/8”
40
1 1/2”
145
5 3/4”
G
H
I
J
294
11 1/2”
213
8 3/8”
176
7”
4.2Dimensions with angular support armInstallation Requirements HELIODENT
PLUS
4.2
Dimensions with angular support arm
4.2.1Dimensions of front view with all options
ARecommended installation height for the wall module
BCable bushing for network cable
CUnit height
DCeiling height
EWooden beam
FWall module cover
GCable bushing for remote control or Remote Timer
HRecommended installation height of remote control or Remote
Timer
24D3507.021.01.06.02 07.2016
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Page 25
Sirona Dental Systems GmbH 4Dimensions, technical data
A
max. 1840
72 1/2”
min. 930
36 5/8”
1450
57”
300°
2050
80 3/4”
1400
55 1/8”
297
11 5/8”
T
1300
51 3/16”
910
35 7/8”
Installation Requirements HELIODENT
PLUS
4.2Dimensions with angular support arm
IRemote control or Remote Timer
JCover for remote control or Remote Timer
4.2.2Dimensions for 910 mm (35 7/8") support arm
Side view
ARecommended installation height: 1110 mm (43 3/4")
TX-ray tube assembly with standard tube, 200 mm (8")
SSD
bеЦдблЬ
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25
Page 26
4Dimensions, technical dataSirona Dental Systems GmbH
1352
54”
1150
45 1/4”
180°
1850
72 7/8”
268
10 1/2”
2280
89 3/4”
540°
4.2Dimensions with angular support armInstallation Requirements HELIODENT
PLUS
Top view
26D3507.021.01.06.02 07.2016
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Page 27
Sirona Dental Systems GmbH 4Dimensions, technical data
min. 1300
51 1/8”
min. 1150
45 1/4”
min. 2350
92 1/2”
600
23 5/8”
220
8 5/8”
min. 1300
51 1/8”
min. 1500
59”
250
9 7/8”
220
8 5/8”
800
31 1/2”
Installation Requirements HELIODENT
PLUS
4.2Dimensions with angular support arm
Minimum dimensions for X-ray rooms
with 910 mm (35 7/8") support arm
bеЦдблЬ
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27
Page 28
4Dimensions, technical dataSirona Dental Systems GmbH
A
max. 1840
72 1/2”
min. 930
36 5/8”
1200
47 1/4”
300°
1800
70 7/8”
1400
55 1/8”
297
11 5/8”
T
1300
51 3/16”
660
26”
4.2Dimensions with angular support armInstallation Requirements HELIODENT
PLUS
4.2.3Dimensions for 660 mm (26") support arm
Side view
ARecommended installation height: 1110 mm (43 3/4")
TX-ray tube assembly with standard tube, 200 mm (8")
SSD
28D3507.021.01.06.02 07.2016
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Page 29
Sirona Dental Systems GmbH 4Dimensions, technical data
1352
54”
1600
63”
268
10 1/2”
900
35 1/2”
2030
80”
180°
540°
Installation Requirements HELIODENT
PLUS
4.2Dimensions with angular support arm
Top view
bеЦдблЬ
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29
Page 30
4Dimensions, technical dataSirona Dental Systems GmbH
min. 1100
43 1/4”
min. 1150
45 1/4”
min. 2080
81 7/8”
600
23 5/8”
220
8 5/8”
min. 1200
47 1/4”
min. 1200
47 1/4”
250
9 7/8”
220
8 5/8”
800
31 1/2”
4.2Dimensions with angular support armInstallation Requirements HELIODENT
PLUS
Minimum dimensions for X-ray rooms
with 660 mm (26") support arm
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30D3507.021.01.06.02 07.2016
Page 31
Sirona Dental Systems GmbH 4Dimensions, technical data
A
max. 1840
72 1/2”
min. 930
36 5/8”
370
14 1/2”
910
35 7/8”
300°
1510
59 1/5”
1400
55 1/8”
297
11 5/8”
T
1300
51 3/16”
Installation Requirements HELIODENT
PLUS
4.2Dimensions with angular support arm
4.2.4Dimensions for 370 mm (14 1/2") support arm
Side view
ARecommended installation height: 1110 mm (43 3/4")
TX-ray tube assembly with standard tube, 200 mm (8")
SSD
bеЦдблЬ
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31
Page 32
4Dimensions, technical dataSirona Dental Systems GmbH
1352
54”
1300
51 1/8”
268
10 1/2”
610
24”
1740
68 1/2”
180°
540°
4.2Dimensions with angular support armInstallation Requirements HELIODENT
PLUS
Top view
32D3507.021.01.06.02 07.2016
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Page 33
Sirona Dental Systems GmbH 4Dimensions, technical data
min. 1100
43 1/4”
700
27 1/2”
min. 1600
63”
620
24 3/8”
220
8 5/8”
300
11 3/4”
min. 1400
55 1/8”
min. 1200
47 1/4”
250
9 7/8”
220
8 5/8”
1000
39 3/8”
Installation Requirements HELIODENT
PLUS
4.2Dimensions with angular support arm
Minimum dimensions for X-ray rooms
with 370 mm (14 1/2") support arm
bеЦдблЬ
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33
Page 34
4Dimensions, technical dataSirona Dental Systems GmbH
1229
48 3/8”
685
27”
350
13 3/4”
2125
83 6/8”
400
15 3/4”
4.2Dimensions with angular support armInstallation Requirements HELIODENT
PLUS
4.2.5Dimensions mobile stand
Front view
34D3507.021.01.06.02 07.2016
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Page 35
Sirona Dental Systems GmbH 4Dimensions, technical data
540°
610
24”
550
21 5/8”
973
38 3/8”
1740
68 1/2”
1370
54”
1001
39 3/8”
180°
782
30 3/4”
Installation Requirements HELIODENT
PLUS
4.2Dimensions with angular support arm
Top view
bеЦдблЬ
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35
Page 36
4Dimensions, technical dataSirona Dental Systems GmbH
RF emissions according to CISPR 11Group 1The UNIT uses RF energy only for its internal
function. Therefore, its RF emissions are very low
and are not likely to cause any interference in
nearby electronic equipment.
RF emissions according to CISPR 11Class BThe UNIT is intended for use in all facilities,
Harmonics
according to IEC 61000-3-2
Voltage fluctuations / flicker according
to IEC 61000-3-3
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Class A
coincides
including residential areas and in any facilities
connected directly to a public power supply
providing electricity to buildings used for residential
purposes.
37
Page 38
5Electromagnetic compatibilitySirona Dental Systems GmbH
5.3Immunity to interferenceInstallation Requirements HELIODENT
PLUS
Interference immunity
tests
Electrostatic discharge
(ESD) according to
IEC 61000-4-2
Electrical fast transient/
burst according to
IEC 61000-4-4
Surge voltages according
to
IEC 61000-4-5
Voltage dips, short
interruptions and
variations of the power
supply according to
IEC 61000-4-11
Magnetic field of power
frequencies (50/60 Hz)
according to
IEC 61000-4-8
Note: U
is the AC supply voltage prior to application of the test level.
T
5.3
Immunity to interference
The UNIT is intended for operation in the electromagnetic environment
specified below.
The customer or user of the UNIT should make sure that it is used in such
an environment.
IEC 60601-1-2 test
level
± 8 kV contact
discharge
± 15 kV air discharge
Compliance levelElectromagnetic environment -
guidelines
± 8 kV contact
discharge
± 15 kV air discharge
Floors should be made of wood or
concrete or finished with ceramic
tiling. If the floor is covered with
synthetic material, the relative
humidity should be at least 30%.
± 1kV for input and
output lines
± 2 kV for power supply
lines
± 1 kV differential mode
voltage
± 2 kV common mode
voltage
Voltage dips:
0% U
with 1/2 period at 0°, 45°, 90°, 135°, 180°,
T
225°, 270° and 315°
0% U
with 1 period and
T
70% U
with 25 periods at 50 Hz and
T
30 periods at 60 Hz each at 0°
Short interruptions:
0% U
with 250 periods at 50 Hz and
T
± 1 kV for input and
output lines
± 2 kV for power supply
lines
± 1 kV differential mode
voltage
± 2 kV common mode
voltage
The quality of the line power supply
should be that of a typical commercial
or hospital environment.
The quality of the line power supply
should be that of a typical commercial
or hospital environment.
The quality of the line power supply
should be that of a typical commercial
or hospital environment.
If the user of the UNIT requires it to
continue functioning following
interruptions of the power supply, it is
recommended to have the UNIT
powered by an uninterruptible power
supply or a battery.
300 periods at 60 Hz
30 A/m30 A/mPower frequency magnetic fields
should be at levels characteristic of a
typical location in a typical commercial
or hospital environment.
Portable and mobile radio equipment
must not be used within the
recommended working clearance from
the UNIT and its cables, which is
calculated based on the equation
suitable for the relevant transmission
frequency.
Recommended working clearance:
38D3507.021.01.06.02 07.2016
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Page 39
Sirona Dental Systems GmbH 5Electromagnetic compatibility
Installation Requirements HELIODENT
PLUS
5.3Immunity to interference
Interference immunity
tests
Conducted RF
interference
IEC 61000-4-6
Radiated RF interference
IEC 61000-4-3
IEC 60601-1-2 test
level
3 V
eff
150 kHz to 80 MHz
3 V/m
80 MHz to 800 MHz
3 V/m
800 MHz to 2.7 GHz
Compliance levelElectromagnetic environment -
guidelines
3 V
3 V
3 V
eff
eff
eff
1
1
1
d= [1.2] √P
d= [1.2] √P
at 80 MHz to 800 MHz
d= [2.3] √P
at 800 MHz to 2.7 GHz
with P as the power rating of the
transmitter in watts (W) according to
the transmitter manufacturer's
specifications and d as recommended
safety distance in meters (m).
Field strengths from fixed RF
transmitters, as determined by an
electromagnetic site survey
be less than the compliance level
each frequency range.
Interference is possible in the vicinity
of equipment bearing the following
2
should
3
in
bеЦдблЬ
graphic symbol.
1. The higher frequency range applies at 80 MHz and 800 MHz.
2. The field strengths of fixed transmitters, such as base stations of
radiotelephones and mobile agricultural radio broadcast services,
amateur radio stations, AM and FM radio broadcast and TV
broadcast cannot be predicted theoretically with accuracy. A site
survey is recommended to assess the electromagnetic environment
due to fixed RF transmitters. If the measured field strength in the
location in which the UNIT is used exceeds the applicable RF
compliance level above, the UNIT should be observed to verify
normal operation. If unusual performance characteristics are
observed, it may be necessary to take additional measures such as
reorientation or repositioning of the UNIT.
3. Over the frequency range 150 kHz to 80 MHz, field strengths should
be less than 3 V/m.
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5Electromagnetic compatibilitySirona Dental Systems GmbH
5.3Immunity to interferenceInstallation Requirements HELIODENT
PLUS
Test frequency
(MHz)
385380 - 390TETRA 400Pulse modulation
Frequency
(a)
band
(MHz)
Radio service
(a)
Modulation (b)Power max.
(W)
1.80.327
Distance (m) Immunity test
level
(V/m)
(b)
18 Hz
450430 – 470GMRS 460,
FRS 460
FM(c)
± 5 kHz stroke
20.328
1 kHz sinus
710
745
780
810
870
930
704 - 787LTE band 13, 17Pulse modulation
(b)
217 Hz
800 - 960GSM 800/900,
TETRA 800,
iDEN 820,
Pulse modulation
(b)
18 Hz
0.20.39
20.328
CDMA 850,
LTE band 5
1720
1845
1970
1700 - 1990GSM 1800;
CDMA 1900;
GSM 1900;
Pulse modulation
(b)
217 Hz
20.328
DECT;
LTE band 1, 3,
4, 25; UMTS
24502400 - 2570Bluetooth,
WLAN,
802,11 b/g/n,
Pulse modulation
(b)
217 Hz
20.328
RFID 2450,
LTE band 7
5240
5500
5785
5100 - 5800WLAN 802.11
a/n
Pulse modulation
(b)
217 Hz
0.20.39
Note:
If necessary, the distance between the transmitting antenna and the ME unit or ME system can be reduced to 1 m
in order to achieve the immunity test level. The 1 m test distance conforms to IEC 61000-4-3.
(a) For some radio services, only the frequencies for the radio link between the mobile communication device and
the base station (uplink) have been recorded in the table.
(b) The carrier must be modulated with a square-wave signal with 50% duty cycle.
(c) Alternatively to the frequency modulation (FM), a pulse modulation with 50% duty cycle at 18 Hz can be used, as
this, if not the actual modulation, would represent the worst case.
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Sirona Dental Systems GmbH 5Electromagnetic compatibility
Installation Requirements HELIODENT
PLUS
5.4Working clearances
5.4
Recommended working clearances
between portable and mobile HF
communication devices and the UNIT
Power rating of the transmitter
[W]
0.010.120.120.23
0.10.380.380.73
11.21.22.3
103.83.87.3
100121223
Working clearance according to transmission frequency [m]
150 kHz - 80 MHz80 MHz - 800 MHz800 MHz - 2.5 GHz
d= [1,2] √Pd= [1,2] √Pd= [2,3] √P
Working clearances
The UNIT is intended for operation in an electromagnetic environment,
where radiated RF interference is checked. The customer or the user of
the UNIT can help prevent electromagnetic interference by maintaining a
minimum distance between portable and mobile RF communications
equipment (transmitters) and the UNIT - depending on the maximum
output power of the communication device, as shown below.
The recommended safety distance d in meters (m) can be determined for
transmitters, whose maximum power rating is not specified in the above
table, using the equation that belongs to the corresponding column,
wherein P is the maximum power rating of the transmitter in watts (W)
according to the transmitter manufacturer.
bеЦдблЬ
Note 1
The higher frequency range applies at 80 MHz and 800 MHz.
Note 2
These guidelines may not apply in all cases. The propagation of
electromagnetic waves is influenced by their absorption and reflection by
buildings, objects and persons.
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5Electromagnetic compatibilitySirona Dental Systems GmbH