Sirona cerec ac Operating instructions

New as of: 10.2018
CEREC AC Connect
With CEREC Bluecam
Operating Instructions for the Acquisition Unit
English

Table of contents Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
263 20 134 D3492
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Table of contents
1Dear Customer,....................................................................................................... 5
1.1 Contact information...................................................................................... 5
2General data ........................................................................................................... 6
2.1 Structure of the document............................................................................ 6
2.1.1 Identification of the danger levels .................................................. 6
2.1.2 Formats and symbols used............................................................ 6
2.2 Battery warranty........................................................................................... 7
2.3 Legend ......................................................................................................... 7
3General description................................................................................................. 9
3.1 Certification .................................................................................................. 9
3.2 Intended use ................................................................................................ 9
4Safety...................................................................................................................... 10
4.1 Basic safety information............................................................................... 10
4.1.1 Prerequisites .................................................................................. 10
4.1.2 Connecting the unit ........................................................................ 10
4.1.3 General safety information............................................................. 10
4.1.4 Movement and stability of the unit ................................................. 11
4.1.5 Maintenance and repair ................................................................. 11
4.1.6 Modifications to the product........................................................... 11
4.1.7 Accessories.................................................................................... 11
4.1.7.1 Included accessories .................................................... 11
4.2 Safety labels ................................................................................................ 12
4.3 Electrostatic charge ..................................................................................... 14
4.3.1 ESD warning labels........................................................................ 14
4.3.2 ESD protective measures .............................................................. 14
4.3.3 About the physics of electrostatic charges..................................... 15
4.4 Wireless phone interference with equipment ............................................... 16
4.5 Integration in a network or connection to a modem ..................................... 16
5Technical information.............................................................................................. 17
5.1 Technical description ................................................................................... 17
5.2 Technical data.............................................................................................. 19
5.3 Electromagnetic compatibility ...................................................................... 20
5.3.1 Electromagnetic emission .............................................................. 20
5.3.2 Interference immunity .................................................................... 21
5.3.3 Working clearances ....................................................................... 23

Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
Table of contents
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6Installation and startup............................................................................................ 24
6.1 Transport and unpacking ............................................................................. 24
6.2 Disposal of packaging materials .................................................................. 24
6.3 Scope of supply ........................................................................................... 24
6.4 Initial startup................................................................................................. 25
6.4.1 Controls and functional elements................................................... 25
6.4.2 Operating state LED ...................................................................... 28
6.4.3 Line voltage.................................................................................... 28
6.4.4 Plug connections............................................................................ 29
6.4.5 Insert battery (optional) .................................................................. 30
6.4.6 Using a trackball ............................................................................ 30
6.4.7 Changing from right-handed to left-handed operation ................... 31
6.4.8 Switching the units on .................................................................... 31
6.4.9 Switching the units off .................................................................... 32
6.5 Battery-backed operation (optional)............................................................. 33
7Operation ................................................................................................................ 36
7.1 General ........................................................................................................ 36
7.2 Preparations................................................................................................. 37
7.2.1 Surface........................................................................................... 37
7.2.2 CEREC Optispray .......................................................................... 37
7.2.3 Direction of application................................................................... 38
7.2.4 Marking the cervical step ............................................................... 38
7.3 Camera support ........................................................................................... 38
7.4 Preparing the exposure................................................................................ 39
7.5 Acquisition control........................................................................................ 40
7.6 Acquiring a 3-unit bridge .............................................................................. 41
8Maintenance ........................................................................................................... 42
8.1 Care, cleaning, disinfection, and sterilization............................................... 42
8.1.1 Cleaning agents and disinfectants................................................. 42
8.1.2 Monitor screen ............................................................................... 43
8.1.3 Non-critical surfaces with no monitor screen ................................. 43
8.1.4 Trackball holder ............................................................................. 43
8.2 CEREC Bluecam ......................................................................................... 44
8.2.1 CEREC Bluecam without sapphire glass....................................... 44
8.2.1.1 General information ...................................................... 44
8.2.1.2 Components of the CEREC Bluecam without sapphire
glass ............................................................................. 45
8.2.1.3 Removing the prismatic tube ........................................ 45

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Operating Instructions for the Acquisition Unit CEREC AC Connect
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8.2.1.4 Refitting the prismatic tube ........................................... 46
8.2.1.5 Pre-cleaning of the prismatic tube ................................ 46
8.2.1.6 Wipe disinfection for the camera and prismatic tube.... 46
8.2.1.7 High-level disinfection of the prismatic tube without
sapphire glass .............................................................. 47
8.2.1.8 Hot air sterilization of the prismatic tube....................... 49
8.2.2 CEREC Bluecam with sapphire glass............................................ 49
8.2.2.1 General information ...................................................... 49
8.2.2.2 Components of the CEREC Bluecam with sapphire
glass ............................................................................. 50
8.2.2.3 Removing the prismatic tube ........................................ 51
8.2.2.4 Refitting the prismatic tube ........................................... 51
8.2.2.5 Pre-cleaning of the prismatic tube ................................ 51
8.2.2.6 Wipe disinfection for the camera and prismatic tube.... 52
8.2.2.7 High-level disinfection of the prismatic tube with
sapphire glass .............................................................. 53
8.3 Calibrating the Bluecam............................................................................... 54
8.4 Replacing the main fuse .............................................................................. 56
8.5 Replacing fuse F3 ........................................................................................ 57
8.6 Charge battery (optional) ............................................................................. 58
8.7 Replace battery (optional)............................................................................ 59
9Disposal .................................................................................................................. 60
9.1 Disposal of the storage battery pack............................................................ 60
10 Appendix................................................................................................................. 61
10.1 DVD playback .............................................................................................. 61
10.2 Making backup copies ................................................................................. 61
10.2.1 Creating (burning) a CD................................................................. 61
10.3 Seal on PC slide-in module.......................................................................... 62
10.4 PC Diagnostic Tool ...................................................................................... 62
10.4.1 Starting the diagnostic tool............................................................. 62
10.4.2 Test procedure............................................................................... 64
10.4.2.1 Customer Diagnostics .................................................. 64
10.4.2.2 Technician Diagnostics................................................. 66
10.4.2.3 Sirona Windows Diagnostics ........................................ 68
10.4.3 Rebooting the PC........................................................................... 69
Index ....................................................................................................................... 70

Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
1 Dear Customer,
63 20 134 D3492
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1Dear Customer,
Thank you for purchasing your CEREC AC® Connect from Sirona.
This unit enables you to create digital exposures and to transmit these
to your dental laboratory.
Improper use and handling can create hazards and cause damage.
Please read and follow these operating instructions carefully and
Always keep them within easy reach.
To prevent personal injury or material damage, it is important to observe
all safety information.
Your
CEREC AC team
1.1 Contact information
Customer service center In the event of technical queries, please use our online contact form at
www.sirona.com. In the navigation bar, go to the menu commands
"CONTACT" / "Customer Service Center" and then click the "CONTACT
FORM FOR TECHNICAL QUESTIONS"
button.
Customer service Sirona Dental Systems Trading (Shanghai) Co., Ltd
Manufacturer's address Sirona Dental Systems GmbH
Fabrikstrasse 31
64625 Bensheim
Germany
Phone: +49(0) 6251/16-0
Fax: +49(0) 6251/16-2591
e-mail: [email protected]
www.sirona.com

2 General data Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
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2General data
Please read this document completely and follow the instructions
exactly. You should always keep it within reach.
Original language of the present document: German.
2.1 Structure of the document
2.1.1 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.
NOTE
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.
Tip: Information for simplifying work.
2.1.2 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
Prompts you to do something.
See "Formats and symbols used
[→6]"
Identifies a reference to another
text passage and specifies its
page number.
● List Designates a list.
“Command / menu item” Indicates commands / menu
items or quotations.

Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
2 General data
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2.2 Battery warranty
The battery is subject to wear and the warranty period of 6 months
therefore deviates from the period specified for the entire device.
2.3 Legend
Year of manufacture
Safety labels
Identifies labels/imprints on the unit (see Safety labels).
Product disposal symbol (see "Disposal [→60]").
Storage battery pack disposal symbol (see "Disposal of the storage
battery pack" [→60])
Storage battery pack recycling symbol (see "Disposal of the storage
battery pack" [→60])
Symbols on the packaging
Take note of the following symbols on the packaging:
Top
Protect from moisture
Fragile; handle with care
Temperature during storage and transport

2 General data Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
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Relative humidity during storage and transport
Air pressure during storage and transport

Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
3 General description
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3General description
3.1 Certification
CE mark
This product bears the CE mark in accordance with the provisions of
Council Directive 93/42/EEC of June 14, 1993 concerning medical
devices.
NOTE
CE mark for connected products
Further products which are connected to this unit must also bear the
CE mark.
Compliance
Anyone creating or changing a medical electrical system through a
combination with other devices in accordance with standard EN
60601-1-1:2001 based on 60601-1-1:2000 (specification for the safety
of medical electrical systems)/UL 60601-1 Part 1: first edition 2003 is
responsible for ensuring that the requirements of these standards are
met to the full extent in order to ensure the safety of patients, operators
and the environment.
3.2 Intended use
This unit allows you to create digital impressions and transmit these to
your dental laboratory. The unit may be operated only by medically
trained and qualified personnel.
This unit must not be used for any other purpose. If the unit is used for
any purpose other than the one mentioned above, it may be damaged.
Intended use also includes compliance with these Operating
Instructions and the relevant maintenance instructions.
CAUTION
Follow the instructions
If the instructions for operating the unit described in this document are
not observed, the intended protection of the user may be impaired.
For the USA only
CAUTION: Federal law (USA) restricts sale of this device to or on the
order of a physician, dentist, or licensed practitioner.

4 Safety Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
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4Safety
4.1 Basic safety information
4.1.1 Prerequisites
NOTE
Restrictions regarding installation site
The system is not intended for operation in areas subject to explosion
hazards.
NOTE
Do not damage the unit!
The unit can be damaged if opened improperly.
It is expressly prohibited to open the unit with tools!
4.1.2 Connecting the unit
Perform connection by following the directions given in the present
operating instructions.
4.1.3 General safety information
CAUTION
Do not damage the monitor
DO NOT touch the LCD screen with sharp or pointed objects.
If the LCD monitor is damaged (e.g. the glass screen is broken),
prevent any leaking liquid from contacting your skin, mucous
membranes (eyes, mouth) or foodstuffs and be careful not to inhale
any escaping vapors.
Rinse any parts of your body or items of clothing already
contaminated by the liquid with ample amounts of water and soap.
CAUTION
Note on the prevention, recognition and elimination of unintended
electromagnetic effects:
The CEREC AC acquisition unit is Class B equipment (classified
according to CISPR 11, EN 60601-1-2: 2007 based on IEC
60601-1-2:2007 and A1:2004).
This system may be operated in a residential area provided that it is
used under the responsibility of a medical specialist.
NOTE
Install only approved software
To prevent interference with the runtime reliability of the program,
only approved software may be installed.

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Operating Instructions for the Acquisition Unit CEREC AC Connect
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NOTE
Ventilation openings must not be obstructed.
4.1.4 Movement and stability of the unit
NOTE
The unit can overturn or slip away
For reasons of tilt stability, the unit must be pulled by its front handle
when being moved. If you push the unit, obstacles on the floor could
block its wheels, thus causing it to overturn.
The two front wheels of the unit have brakes which can be locked to
ensure secure positioning. If the unit is steeply inclined or standing on
a slippery surface and lateral forces are acting on it, it may slide even
though the wheel brakes are locked.
➢ Always make sure that the unit's footprint is a flat, nonskid
surface.
4.1.5 Maintenance and repair
As manufacturers of dental instruments and laboratory equipment, we
can assume responsibility for the safety properties of the unit only if the
following points are observed:
● The maintenance and repair of this unit may be performed only by
Sirona or by agencies authorized by Sirona.
● Components which have failed and influence the safety of the unit
must be replaced with original (OEM) spare parts.
Please request a certificate whenever you have such work performed. It
should include:
● The type and scope of work.
● Any changes made in the rated parameters or working range.
● Date, name of company and signature.
4.1.6 Modifications to the product
Modifications to this product which may affect the safety of the operator,
patients or third parties are prohibited by law!
4.1.7 Accessories
In order to ensure product safety, this device may be operated only with
original Sirona accessories or third-party accessories expressly
approved by Sirona. The user is responsible for any damage resulting
from the use of non-approved accessories.
4.1.7.1 Included accessories
● Camera support (6 pcs), Order No.: 59 45 360
● Storage battery pack, order no.: 61 87 582

4 Safety Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
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4.2 Safety labels
Fuses
NOTE
Use ONLY fuses of the same type!
Plug connections of external interfaces

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Operating Instructions for the Acquisition Unit CEREC AC Connect
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CAUTION
Additional devices connected to external interfaces must be tested
according to the relevant standards, e.g.:
EN 60601-1:1990 + A1:1993 + A2:1995 based on IEC 60601-1, EN
60950-1:2001 based on IEC 60950-1:2001, EN61010-1:2001 based
on IEC 61010-1:2001, UL 60601-1 Part1: first edition 2003, UL 60950
third edition 2000, UL 3101-1 Part 1 first edition 1993).
They must be installed outside of the patient area (a radius of 1.5m
surrounding the patient).
CAUTION
Low voltages are applied to the sockets for connecting external
interfaces.
➢ Do not touch the pins of the connectors.
NOTE
The externally connected cables must not be subjected to pulling
stress.
CAUTION
In order to maintain electrical safety, the rear doors of the acquisition
unit must be kept closed while it is in operation. The acquisition unit
must not be operated inside of the patient area (within a radius of 1.5
m surrounding the patient) with the doors open.
Heater plate
A
CAUTION
Risk of burns due to hot surface!
➢ Never touch the heater plate (A)!

4 Safety Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
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4.3 Electrostatic charge
4.3.1 ESD warning labels
ESD warning label CAUTION
Risk of injury or damage to components from electrostatic discharge
For electrical components labeled with an ESD warning label,
observe the following instructions.
➢ Apply the ESD protective measures.
➢ Do not touch connector pins or sockets without applying ESD
protective measures first.
➢ Do not establish any connections between these connectors
without applying ESD protective measures first.
4.3.2 ESD protective measures
ESD ESD stands for ElectroStatic Discharge.
ESD protective measures ESD protective measures include:
● Procedures for preventing electrostatic charge build-up (e.g. air
conditioning, air moistening, conductive floor coverings and non-
synthetic clothing)
● Discharging the electrostatic charges of your own body on the frame
of the UNIT, the protective ground wire or large metallic objects
● Connecting yourself to ground using a wrist band.
Training We therefore recommend that all persons working with this system be
instructed on the significance of this warning label. Furthermore, they
also should receive training in the physics of electrostatic discharges
which can occur in the practice and the destruction of electronic
components which may result if such components are touched by
electrostatically charged USERS.
The content of this training is explained in the Chapter "About the
physics of electrostatic charges" [→15].

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4.3.3 About the physics of electrostatic charges
What is an electrostatic charge? An electrostatic charge is a voltage field on and in an object (e.g. a
human body) which is protected against conductance to ground
potential by a nonconductive layer (e.g. a shoe sole).
Formation of an electrostatic charge Electrostatic charges generally build up whenever two bodies are
rubbed against each other, e.g. when walking (shoe soles against the
floor) or driving a vehicle (tires against the street pavement).
Amount of charge The amount of charge depends on several factors:
Thus the charge is higher in an environment with low air humidity than
in one with high air humidity; it is also higher with synthetic materials
than with natural materials (clothing, floor coverings).
Electrostatic discharge must be preceded by electrostatic charging.
The following rule of thumb can be applied to assess the transient
voltages resulting from an electrostatic discharge.
An electrostatic discharge is:
● perceptible at 3,000 V or higher
● audible at 5,000 V or higher (cracking, crackling)
● visible at 10,000 V or higher (arc-over)
The transient currents resulting from these discharges have a
magnitude of 10 amperes. They are not hazardous for humans because
they last for only several nanoseconds.
Background Integrated circuits (logical circuits and microprocessors) are used to
implement a wide variety of functions in dental/X-ray/CAD/CAM
systems.
The circuits must be miniaturized to a very high degree in order to
include as many functions as possible on these chips. This leads to
structure thicknesses as low as a few ten thousandths of a millimeter.
It is obvious that integrated circuits which are connected to plugs
leading outside of the unit via cables are sensitive to electrostatic
discharge.
Even voltages which are imperceptible to the user can cause
breakdown of the structures, thus leading to a discharge current which
melts the chip in the affected areas. Damage to individual integrated
circuits may cause malfunction or failure of the system.
To prevent this from happening, the ESD warning label next to the plug
warns of this hazard. ESD stands for ElectroStatic Discharge.
Connector pins or sockets bearing ESD warning labels must not be
touched or interconnected without ESD protective measures.

4 Safety Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
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4.4 Wireless phone interference with equipment
The use of mobile wireless phones in practice or hospital environments
must be prohibited to ensure safe operation of the unit.
4.5 Integration in a network or connection to a modem
NOTE
Observe the following installation regulations
The following installation regulations apply to integration of the
acquisition unit in a network or connection of the acquisition unit to a
modem:
Network
The acquisition unit may only be operated in a network if it is connected
to a HUB/switch. The HUB/switch must:
● be located in the room where the acquisition unit is operated,
permanently installed.
● be grounded via an additional ground wire.
Cross-section of the protective
ground wire
laid protected 2.5 mm2
laid unprotected 4 mm2
Modem
At least one of the following specifications must be fulfilled in order to
operate the acquisition unit on a modem:
● If a modem is connected, the acquisition unit may only be operated
outside of the patient area (radius of 1.5 m surrounding the patient).
● An RS232 isolator compliant with EN 60 601-1-1 with a dielectric
strength of at least 1.5 kV must be installed at the modem end in the
RS232 connecting cable between the acquisition unit and the
modem.

Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
5 Technical information
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5Technical information
5.1 Technical description
CAD system for high-precision intraoral optical impressions
● High-resolution, heated oral camera (3D camera) with removable
prism tube (prism tube sterilizable with hot air)
● Integrated image processing
● High processing power due to state-of-the-art processor
● Trackball
● Hand and foot controlled enter keys
● Wipe-disinfectable membrane keyboard
● Hard disk
● DVD-R(W)/CD-R(W) drive
● Ethernet port
● USB port
● 1 integrated loudspeaker
High-resolution 3D intraoral camera with control and image
processing electronics
● Measuring technique: active triangulation
● Pixel size: 28 µm x 28 µm
● Low-noise CCD sensor: 680 x 480 pixels
(=326,400 pixels)
● Light source: Blue LED, polarized, 470 nm
● Image acquisition: Image control inside the camera
● Image acquisition: 16 MB ultrafast SDRAM
● Image processing: Intensity measurement of 1.4 mil.
pixels in 0.070 sec.
● Image data transfer: Dependent on fast USB 2.0 standard
Monitor
● 19" TFT LCD flat display, true color, resolution SXGA (1280 x 1024
pixels)
PC hardware (LQ)
Special PC with the following equipment:
● Processor: Intel i7, 950
● Memory: 3 x 2048 MB, 1066 MHz DDR3
RAM
● DVD-ROM/CD-R(W): SH-22x combi drive
● Hard disk: Western Digital WD3200BEKT
(320GB Serial ATA, 2.5”)

5 Technical information Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
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● Network card: Ethernet 10/100/1000 Mbit/s on-
board
● WLAN card: Linksys WMP600N
● Sound card: Realtek HD Audio onboard
● Graphics card: N450GTS M2D1GD5 (PCIe 16x,
1GB))
● Supply board: 61 37 413 D3492 Sirona
PC software
● Operating system: Windows 7 professional, 64 bit
● Installation: The operating system and applica-
tions are installed at the factory.
Housing
All units are integrated in a mobile housing with easily movable/lockable
castors.
No water or air connection required.

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Operating Instructions for the Acquisition Unit CEREC AC Connect
5 Technical information
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5.2 Technical data
Type designation CEREC AC Acquisition
unit
Rated line voltage for Europe 230 VAC / 50Hz
Rated current for Europe 1.5 A
Rated line voltage for USA 115VAC / 60Hz
Rated current for USA 2.7 A
Rated line voltage for Japan 100VAC / 50Hz and 60Hz
Rated current for Japan 3.0 A
Type of protection against electric shock Class I device
Type of protection against electric shock
(camera)
Type BF applied part
Degree of protection against ingress of
water
Ordinary device (without
protection against ingress
of water)
Pollution degree 2
Installation category Ⅱ
Operating mode Continuous operation
Battery-backed operation
for 6 minutes
Storage battery pack for battery-backed
operation
24 VDC / 2.5 Ah
Sirona Order Number:
61 87 582 D3492
Label: CAUTION
Observe accompanying
documents
Transport and storage conditions
Temperature -25°C to 60°C
(-13°F to 140°F)
Relative humidity 10% to 75%
Air pressure 700 hPa to 1060 hPa
Operating conditions
Ambient temperature 10℃ to 35℃
(50° F to 95° F)
Relative humidity 30% to 85%
No condensation
Air pressure 700 hPa to 1060 hPa
Operating altitude ≤3000 m

5 Technical information Sirona Dental Systems GmbH
Operating Instructions for the Acquisition Unit CEREC AC Connect
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Dimensions and weight
Dimensions (WxHxD)
in mm
in inches
350 x 1210 x 470mm
13¾ x 47⅝ x 18½“
Weight
● without monitor and battery pack
approx.
● Monitor approx.
● Battery pack approx.
38 kg (83.8 lbs)
4 kg (8.8 lbs)
2 kg (4.4 lbs)
5.3 Electromagnetic compatibility
Observance of the following information is necessary to ensure safe
operation regarding EMC aspects.
CEREC AC complies with the requirements for electromagnetic
compatibility (EMC) according to IEC 60601-1-2:2001 and A1:2004.
CEREC AC is hereinafter referred to as "UNIT".
5.3.1 Electromagnetic emission
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.
Emission measurement Conformity Electromagnetic environment - guidelines
RF emissions according to CISPR 11 Group 1 The 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 11 Class B The UNIT is intended for use in all facilities, in-
cluding residential areas and in any facilities con-
nected directly to a public power supply providing
electricity to buildings used for residential pur-
poses.
Harmonics
according to IEC 61000-3-2
Class A
Voltage fluctuations / flicker according
to IEC 61000-3-3
coincides