Thermo Scientific Fisherbrand GT2 User manual

Fisherbrand GT2 Centrifuge
Fisherbrand GT2R Centrifuge
Instruction manual
50156459_a • 04 / 2018
15808722
15818722

IMPORTANT Read this instruction manual. Failure to follow the instructions in this manual can result in
damage to the unit, injury to operating personnel, and poor equipment performance.
CAUTION All internal adjustments and maintenance must be performed by qualified service personnel.
Material in this manual is for informational purposes only. The contents and the product it describes are
subject to change without notice. Fisher Scientific makes no representations or warranties with respect to this
manual. In no event shall be held liable for any damages, direct or incidental, arising from or related to the use
of this manual.
BIOShield™, Fiberlite™, HIGHConic™, Microliter™, MicroClick™and Auto-Lock ™.
All trademarks are the property of Thermo Fisher Scientific and its subsidiaries unless otherwise specified.
© 2018 Fisher Scientific Inc. All rights reserved.

Contents
Preface .................................................................... 1
Scope of Supply....................................................... 1
Intended Use............................................................ 1
Accident Prevention ................................................. 1
Precautions.............................................................. 1
Introduction and Description ........................................ 3
Characteristics ......................................................... 3
Technical Data ......................................................... 3
Directives, Standards and Guidelines ....................... 4
Functions and Features............................................ 4
Mains Supply ........................................................... 5
Refrigerant ............................................................... 5
Rotor Selection ........................................................ 6
Before Use................................................................... 7
Before Setting up ..................................................... 7
Transporting the Centrifuge...................................... 7
Location................................................................... 7
Aligning the Centrifuge ............................................. 7
Mains Connection .................................................... 8
Storage .................................................................... 8
Control Panel............................................................... 9
Control Panel ........................................................... 9
Keys......................................................................... 9
Operation..................................................................... 10
Switch on Centrifuge................................................ 10
Lid Opening ............................................................. 10

Close Lid.................................................................. 10
Rotor Installation ...................................................... 10
Entering Parameters................................................. 11
Saving programs...................................................... 12
Centrifugation........................................................... 12
Temperature Adaptation during Standstill................. 13
Short-term Centrifugation......................................... 13
Removing the Rotor ................................................. 13
Aerosol-tight Rotors ................................................. 14
Aligning the Centrifuge ............................................. 14
System Menu............................................................... 15
Description............................................................... 16
Maintenance and Care................................................. 17
Cleaning Intervals ..................................................... 17
Cleaning................................................................... 17
Disinfection .............................................................. 18
Decontamination ...................................................... 18
Autoclaving .............................................................. 19
Service of Fisher Scientific........................................ 19
Troubleshooting........................................................... 20
Mechanical Emergency Door Release ...................... 20
Troubleshooting by User .......................................... 21
When to Contact Customer Service ......................... 24
Chemical Compatibility Chart ....................................... 25

Centrifuge GT 2/2R | 1
Preface
Before starting to use the centrifuge, read through this
instruction manual carefully and follow the instructions.
The information contained in this instruction manual is the
property of Fisher Scientific; it is forbidden to copy or pass on
this information without explicit approval.
Failure to follow the instructions and safety information in this
instruction manual will result in the expiration of the sellers
warranty.
Scope of Supply
If any parts are missing, please contact your nearest Fisher
Scientific representative.
Intended Use
• This centrifuge is designed to separate sample mixtures
of different densities like chemicals, environmental
samples and other non-human body samples.
Accident Prevention
Prerequisite for the safe operation of the Centrifuge GT 2/2R
is a work environment in compliance with standards,
directives and trade association safety regulations and proper
instruction of the user.
The safety regulations contain the following basic
recommendations:
• Maintain a radius of at least 30 cm around the centrifuge.
• Implementation of special measures which ensure that no
one can approach the centrifuge for longer than
absolutely necessary while it is running.
• The mains plug must be freely accessible at all times. Pull
out the power supply plug or disconnect the power
supply in an emergency.
Precautions
In order to ensure safe operation of the Centrifuge GT 2/2R,
the following general safety regulations must be followed:
• Do not manipulate the safety devices.
• The centrifuge should be operated by trained specialists
only.
• The centrifuge is to be used for its intended use only.
• Plug the centrifuge only into sockets which have been
properly grounded.
• Do not move the centrifuge while it is running.
• Do not lean on the centrifuge.
• Use only rotors and accessories for this centrifuge which
have been approved by Thermo Scientific. Exceptions to
this rule are commercially available glass or plastic
centrifuge tubes, provided they have been approved for
the speed or the RCF value of the rotor.
• Do not use rotors which show any signs of corrosion
and/or cracks.
• Do not touch the mechanical components of the rotor
and do not make any changes to the mechanical
components.
• Use only with rotors which have been properly installed.
Follow the instructions on the Auto-Lock in section Rotor
Installation.
• Use only with rotors which have been loaded properly.
Follow the instructions given in the rotor manual.
• Never overload the rotor. Follow the instructions given in
the rotor manual.
• Never start the centrifuge when the lid is open.
• Never open the lid until the rotor has come to a complete
stop and this has been confirmed in the display.
• The lid emergency release may be used in emergencies
only to recover the samples from the centrifuge, e.g.
during a power failure (Refer to Mechanical Emergency
Door Release).
• Never use the centrifuge if parts of its cover panels are
damaged or missing.
• Do not touch the electronic components of the centrifuge
or alter any electronic or mechanical components.
• Observe the safety instructions.
Pay particular attention to the following aspects:
Item Description Quantity Check
Centrifuge GT 2/2R 1
Power supply cable 1
Instruction manual 1
CD 1
Anti-corrosion oil 1

2 | Centrifuge GT 2/2R
• Location: well-ventilated environment, set-up on a level
and rigid surface with adequate load-bearing capacity.
• Rotor installation: make sure the rotor is locked properly
into place before operating the centrifuge.
• Especially when working with corrosive samples (salt
solutions, acids, bases), the accessory parts and vessel
have to be cleaned carefully.
• Always balance the samples.
Centrifuging hazardous substances:
• Do not centrifuge explosive or flammable materials or
substances which could react violently with one another.
• The centrifuge is neither inert nor protected against
explosion. Never use the centrifuge in an explosion-prone
environment.
• Do not centrifuge toxic or radioactive materials or any
pathogenic micro-organisms without suitable safety
precautions.
When centrifuging microbiological samples from the Risk
Group II (according to the Bio-safety Manual of the World
Health Organization WHO), aerosol-tight biological seals
have to be used.
For materials in a higher risk group, extra safety measures
have to be taken.
• If toxins or pathogenic substances have gotten into the
centrifuge or its parts, appropriate disinfection measures
have to be taken (Refer to section Disinfection).
• Highly corrosive substances which can cause material
damage and impair the mechanical stability of the rotor,
should only be centrifuged in corresponding protective
tubes.
IF A HAZARDOUS SITUATION OCCURS, TURN OFF
THE POWER SUPPLY TO THE CENTRIFUGE AND
LEAVE THE AREA IMMEDIATELY.
This symbol refers to general hazards.
CAUTION: means that material damage could
occur.
WARNING: means that injuries or material
damage or contamination could occur.
This symbol refers to biological hazards.
Observe the information contained in the
instruction manual to keep yourself and your
environment safe.

Centrifuge GT 2/2R Introduction and Description | 3
Introduction and Description
Characteristics
Several rotors with a wide range of tubes can be used.
The set speed is reached within seconds. The maintenance-
free induction motor ensures quiet and low-vibration
operation even at high speeds, and guarantees a very long
lifetime.
The user-friendly control panel makes it easy to pre-set the
speed, RCF value, running time, temperature, and running
profile (acceleration and braking curves). You can choose
between the display of speed and RCF or the entry mode.
These settings can be changed even while the centrifuge is
running.
With the help of the PULSE key , you can also centrifuge
a sample for just a few seconds, if called for.
The Centrifuge GT 2/2R is equipped with various safety
features:
• The housing and rotor chamber consist of steel plate, the
interior of armour steel, while the front panel is made of
high-impact resistant plastic.
• The lid is equipped with a view port and a lock.
• The lid of the centrifuge can only be opened while the
centrifuge is switched on and the rotor has come to a
complete stop. The centrifuge cannot be started until the
lid has been closed properly.
• The integrated rotor detection systems ensures that no
inadmissible speed settings can be preselected.
• Electronic imbalance recognition
• Lid emergency release: For emergencies only, e.g. during
power failures (Refer to the section Mechanical
Emergency Door Release)
Technical Data
The technical data of the Centrifuge GT 2/2R is listed in the following table.
PULSE
Table 1. Technical Data Centrifuge GT 2/2R
Feature Values
Environmental conditions
Use in interior spaces
Altitudes of up to 2
000 m above sea level
Max. relative humidity 80% up to 31 °C; decreasing linearly up to 50%
relative humidity at 40 °C.
Permissible ambient temperature +2 °C to +35 °C +2 °C to +35 °C
Overvoltage category II II
Pollution degree 2 2
Heat dissipation
Refrigerated Ventilated
230 V 230 V
4 778 BTU/h 3 447 BTU/h
IP 20 20
Running time unlimited unlimited
Max Speed nmax
15 200 rpm (depending on the rotor) 15 200 rpm (depending on the rotor)

4 | Introduction and Description Centrifuge GT 2/2R
Directives, Standards and Guidelines
Functions and Features
The following table gives an overview of the important functional and performance characteristics of the Centrifuge GT2/2R.
Min Speed nmin 300 rpm 300 rpm
Maximum RCF value at nmax
25 830 x g 25 830 x g
Maximum kinetic energy 62.5 kJ 51.7 kJ
Noise level at maximum speed < 63 dB (A) < 63 dB (A)
Temperature setting range -10 °C to +40 °C
Dimensions refrigerated ventilated
Height
Height with lid open
Width
Depth
Table top height
360 mm
870 mm
623 mm
605 mm
310 mm
360 mm
870 mm
440 mm
605 mm
310 mm
Weight without rotor 91.5 kg 57.5 kg
Table 1. Technical Data Centrifuge GT 2/2R
Feature Values
Table 2. Directives, Standards and Guidelines
Te n s i o n /
Frequency Directives
Produced and inspected
according to the following
standards and guidelines
220-230 V
50/60 Hz
2006/42/EC Machinery
2014/35/EU Low Voltage
(Protective Goals)
2014/30/EC Electromagnetic Compatibility (EMC)
2011/65/EC RoHS
Directive on the Restriction of the use of certain Hazardous
Substances in electrical and electronic equipment
EN 61010-1, 2nd Edition
EN 61010-2-020, 2nd Edition
EN 61326-1
EN ISO 14971
EN ISO 9001
Table 3. Functions and Features
Component/Function Description/Features
Structure/Housing Galvanized steel chassis with armoured plating
Chamber Stainless steel
Drive Induction drive without carbon brushes

Centrifuge GT 2/2R Introduction and Description | 5
Mains Supply
The following table contains an overview of the electrical connection data for the Centrifuge GT 2/2R. This data is to be taken
into consideration when selecting the mains connection socket.
*Contact an authorized customer service representative for running the centrifuge at 60 Hz.
Refrigerant
*Contains fluorinated greenhouse gases in a hermetically sealed system.
Keys and display Easy-to-clean keypad and display surface
Controls Microprocessor-controlled
Internal memory The most recent data is saved
Functions RCF-selection, temperature control, pretemp with cooling equipped devices
Acceleration/braking profiles 9 acceleration and 10 braking curves
Rotor recognition Automatic
Imbalance recognition Electronic, contingent on rotor and speed
Lid lock Automatic lid closing and locking starting from an initial hold position
Table 3. Functions and Features
Component/Function Description/Features
Table 4. Electrical connection data of the Centrifuge GT 2/2R.
Ty p e Mains
Voltage Frequency Rated Current
Power
Consumption
Equipment
Fuse
Building
Fuse
Refrigerated 230 V 50/60 Hz 8 A 1 400 W 15 AT 16 AT
Ventilated 230 V 50/60 Hz 6 A 1 010 W15 AT 16 AT
Table 5. Refrigerant Fisherbrand GT 2R Centrifuge
Order no. Refrigerant Quantity Pressure GWP CO2e
75004524 R-404A 0.38 kg 31 bar 3 922 2.04 t

6 | Introduction and Description Centrifuge GT 2/2R
Rotor Selection
Various rotors are available to choose from.
The technical data of the rotors and the corresponding
adapters and reduction sleeves for various commercially
available containers can be found in the corresponding rotor
operating manuals.
For more information visit our website at:
http://www.thermofisher.com
TX-400 75003629
with round buckets 75003655
TX-200 75003658
with round buckets 75003659
BIOShield™720 75003621
M-20 75003624
Microliter™30x2 sealed 75003652
CLINIConic™30x15 75003623
8x50 sealed 75003694
FIBERLite™F15-6x100 75003698
HIGHConic™II 75003620
TX-1000
TX-750
BIOShield™1000 A
M-20
75003017
75003180
75003182
75003624

Centrifuge GT 2/2R Before Use | 7
Before Use
Before Setting up
1. Check the centrifuge and the packaging for any shipping
damage. Inform the shipping company and Fisher
Scientific immediately if any damage is discovered.
2. Remove the packaging.
3. Check the order for completeness (Refer to the section
Scope of Supply). If the order is incomplete, please
contact Fisher Scientific.
Transporting the
Centrifuge
• Due to its weight (Refer to the section Technical Data),
the centrifuge should be carried by several people.
• Always lift the centrifuge at both sides.
Figure 1. Lifting the centrifuge at both sides.
• The centrifuge can be damaged by impacts.
• Transport the centrifuge upright and if at all possible in its
packaging.
Location
The centrifuge should only be operated indoors.
The set-up location must fulfill the following requirements:
• A safety zone of at least 30 cm must be maintained
around the centrifuge.
People and hazardous substances must be kept out of
the safety zone while centrifuging.
• The supporting structure must be stable and free of
resonance, for example a level laboratory bench.
• The supporting structure must be suitable for horizontal
setup of the centrifuge.
• The centrifuge should not be exposed to heat and strong
sunlight.
• The set-up location must be well-ventilated at all times.
Aligning the Centrifuge
The horizontal alignment of the centrifuge must be checked
every time after moving it to a different location.
The supporting structure must be suitable for horizontal setup
of the centrifuge.
WARNING: Always lift the centrifuge on both
sides. Never lift the centrifuge by its front or the
back panel.
Always remove the rotor before moving the
centrifuge.
WARNING: UV rays reduce the stability of
plastics.
Do not subject the centrifuge, rotors and plastic
accessories to direct sunlight.
CAUTION: If the centrifuge isn’t level,
imbalances can occur and the centrifuge can be
damaged.
Do not place anything under the feet to level the
centrifuge.

8 | Before Use Centrifuge GT 2/2R
Mains Connection
Figure 2. Mains Connection
1. Turn off the power supply switch on the back (press "0").
2. Plug the centrifuge into grounded electrical sockets only.
3. Check whether the cable complies with the safety
standards of your country.
4. Make sure that the voltage and frequency correspond to
the figures on the rating plate.
5. Establish the connection to the power supply with the
connecting cable.
Storage
• Before storing the centrifuge and the accessories it must
be cleaned and if necessary disinfected and
decontaminated.
• Store the centrifuge in a clean, dust-free location.
• Be sure to place the centrifuge on its feet.
• Avoid direct sunlight.
Mains plug
Main Power Switch

Centrifuge GT 2/2R Control Panel | 9
Control Panel
Control Panel
The control panel contains the keys and displays of the centrifuge (only the power switch is located on the back of the device).
All parameters can be selected and changed during operation.
Keys
The keys allow user intervention for controlling the operating mode as follows:
PULSE
START STOP
OPEN
TIME TEMP ACC DEC BUCKET
3
12
4
56
SPEED
X G
RPM
Program selection keys
Changing the display mode Prewarming or precooling STOP key
START key
Bucket key
Running time
Speed/RCF value PULSE key
Temperature
Speed/RCF value
Acceleration curve
Braking curve Bucket selection OPEN key
Key Display Contents
Start Normal start of the centrifuge
Stop End run manually
Open lid Automatic release (possible only when device is switched on). Emergency release
(see Mechanical Emergency Door Release)
Pulse
By pressing the PULSE key the centrifuge starts immediately and accelerates up
to the end speed. Releasing the key initiates a stopping process at the highest
braking curves.
Change Value Use the arrow keys in order to modify the displayed value
Snow Symbol Press the snow symbol key for prewarming or precooling the centrifuge.
Changing the
display mode Use the Change key to change the display mode. (Speed/RCF Value)
START
STOP
OPEN
PULSE

10 | Operation Centrifuge GT 2/2R
Operation
Switch on Centrifuge
1. Turn on the power switch on the back of the device.
The device performs a self-check of its software.
a. When the centrifuge lid is closed the following display
shows:
The speed and time displays read 0. The temperature
indicator displays the current temperature inside the
rotor chamber. The preset acceleration and braking
curves and the selected bucket are also displayed.
b. When the centrifuge lid is open the following display
shows:
The speed and time displays show the preset values.
The temperature indicator displays the current
temperature inside the rotor chamber. The preset
acceleration and braking curves and the selected
bucket are also displayed.
Lid Opening
1. Press the OPEN key .
Close Lid
Close the lid by pressing down on it lightly in the middle or on
both sides of it. One lock closes the lid completely.
Note: The lid should audibly click into place.
Rotor Installation
The approved rotors for the Centrifuge GT 2/2R are listed in
section Rotor Selection. Use only the rotors and
accessories from this list in the centrifuge.
The centrifuge is equipped with an Auto-Lock locking system.
This system is used to automatically lock the rotor to the
centrifuge spindle. The rotor does not have to be bolted on to
the centrifuge spindle.
Proceed as follows:
1. Open the lid of the centrifuge and if necessary remove
any dust, foreign objects or residue from the chamber.
Auto-Lock and o-ring must be clean and undamaged.
Figure 3. Auto-Lock
2. Place the rotor over the centrifuge spindle and let it slide
slowly down the centrifuge spindle.
The rotor clicks automatically into place.
WARNING: Do not reach into the crack
between the lid and the housing. The lid is
drawn shut automatically.
Use the emergency release only for
malfunctions and power failures (Refer to the
section Mechanical Emergency Door
Release).
WARNING: Do not reach into the crack
between the lid and the housing. The lid is
drawn shut automatically.
OPEN
CAUTION: Unapproved or incorrectly
combined accessories can cause serious
damage to the centrifuge.
CAUTION: Do not force the rotor onto the
centrifuge spindle.
If the rotor is very light, then it may be
necessary to press it onto the centrifuge
spindle with a bit of pressure.
O-Ring
Auto-Lock

Centrifuge GT 2/2R Operation | 11
3. Check if the rotor is properly installed by lifting it slightly
on the handle. If the rotor can be pulled up, then it must
be reclamped to the centrifuge spindle.
4. If available close the rotor with the rotor lid.
5. Close the centrifuge lid.
Entering Parameters
The Centrifuge GT 2/2R offers you a total of 9 acceleration
and 10 braking curves with which samples and gradients can
be centrifuged.
After the centrifuge is turned on, the last running profile
selected is shown.
Acceleration curve
1. Press the key below the ACC display in order to open
the acceleration profile selection menu.
The display shows the message "Set acceleration".
2. Select the profile by pressing the key , until the desired
acceleration curve shows.
Braking curve
1. Press the key below the DEC display in order to open
the braking curve selection menu.
The display shows the message "Set deceleration"
2. Select the profile by pressing the key , until the desired
braking curve shows.
Preselecting Speed/RCF
1. Press the key below the “SPEED” display in order to
open the speed/RCF value menu.
The display shows the "RPM"or the "RCF"-value depend-
ing on the display setting. Press the CHANGE key to
toggle between the two modes.
2. Enter the desired value by pressing the key
repeatedly, until the desired value shows.
Explanation of RCF Value
The relative centrifugal force is given as a multiple of the force
of gravity g. It is a unit less numerical value which is used to
compare the separation or sedimentation capacity of various
devices, since it is independent of the type of device. Only the
centrifuging radius and the speed come into play in it:
r = centrifuging radius in cm
n = Rotational speed in rpm
The maximum RCF value is related to the maximum radius of
the tube opening.
Remember that this value is reduced depending on the tubes
and adapters used.
This can be accounted for in the calculation above if required.
Running Time Preselection
1. Press the key below the TIME display in order to open
the runtime selection menu.
WARNING: If the rotor cannot be properly
locked in place after several attempts, then the
Auto-Lock is defective and you are not permitted
to operate the rotor.
Check for any damage to the rotor: Damaged
rotors must not be used.
Keep the centrifuge spindle area of the rotor
clear of objects.
CAUTION: Check that the rotor is properly
locked on the centrifuge spindle before each
use by pulling it at its handle.
Be sure to check all sealings before starting any
aeorsol-tight applications.
See the information in the rotor instruction
manual.
Note: If an extremely low RCF value has been selected, it
will be corrected automatically if the resulting speed is less
than 300 rpm.
RCF 11 18,n
1000
-------------
2r=

12 | Operation Centrifuge GT 2/2R
The display shows the message "Set Time".
Enter the desired runtime in H.mm.
2. Enter the desired value by pressing the key
repeatedly, until the desired value shows.
Continuous operation
1. Press the START key .
During continuous operation, the centrifuge will continue
running until you stop it manually.
Preselecting the temperature
You can preselect temperatures between -10 °C and +40 °C.
To set the temperature, proceed as follows:
1. Press the key below the TEMPERATURE display in
order to open the temperature selection menu.
The display shows "Set temp":
2. Enter the desired value by pressing the key
repeatedly, until the desired value shows.
Prewarming or precooling the
centrifuge
For setting the pretemp value for the centrifuge proceed as
follows:
1. Press the key in order to open the temperature
selection menu.
The display shows the message "Set PreTemp".
2. Enter the desired value by pressing the key
repeatedly, until the desired value shows.
3. The display shows:
The display shows the current temperature inside the
rotor chamber.
4. Press the START key .
The rotor chamber is cooled down or heated up to the
preset temperature.
5. Press the STOP key .
The display shows the current temperature inside the
rotor chamber.
Saving programs
1. Enter the program parameters.
2. Press any of the program store keys for 4 seconds.
Centrifugation
Once the rotor has been properly installed, the main switch
has been turned on and the lid has been closed, you can start
centrifuging.
Starting centrifuge program
Press the START key on the control panel. The centrifuge
accelerates to the pre-set speed with the time display active.
If the speed setting is higher than the maximum permissible
speed or RCF-value for the particular rotor, then the display
will show the message max. XXXX rpm once the centrifuge
has been started.
Within 15 seconds you can apply this value by pressing the
START key again, and the centrifuging program will
continue. Otherwise the centrifuge will stop and you will have
to enter a valid number.
You cannot open the lid as long as the centrifuge is running.
START
START
STOP
START
START

Centrifuge GT 2/2R Operation | 13
Imbalance indicator
If a load is imbalanced, this will be indicated at speed higher
than approx. 300 rpm by the message "Imbalanced load".
The run will terminate.
Check the loading and start the centrifuge once again. See
the information on proper loading in the rotor instruction
manual. For information on troubleshooting, refer to the
section Troubleshooting by User.
Stopping the centrifugation
program
With preset running time
Usually the running time is preset and you only have to wait
until the centrifuge stops automatically when the preset time
limit expires.
As soon as the speed drops to zero, the message END will
appear in the display. By pressing the OPEN key , you can
open the lid and remove the centrifuge material.
You can also stop the centrifuging program manually at any
time by pressing the STOP key .
Continuous operation
If you selected continuous operation (Refer to the section
Continuous operation), you will have to stop the centrifuge
manually. Press the STOP key on the control panel. The
centrifuge will be decelerated at the designated rate. The
message "END" will illuminate, and after pressing the key
OPEN , the lid will open and you can remove the
centrifuged material.
Temperature Adaptation
during Standstill
The temperature cannot be adapted until the rotor has been
positively identified; the speed display will then show END.
When the rotor is not recognized (lid closed and START key
not yet pressed, speed display "0"), the centrifuge
responds by ensuring that the sample cannot freeze
regardless of the rotor being used.
Short-term Centrifugation
For short-term centrifuging, the Centrifuge GT 2/2R has a
PULSE- function.
By holding down the PULSE key , spinning will start and
continue until the key is let go.
The centrifuge accelerates and brakes at maximum power.
Any rpm or RCF entered beforehand is overridden.
Note: The centrifuge accelerates to maximum speed, regard-
less of which rotor was installed.
Check carefully whether you have to maintain a certain speed
for your application.
During the acceleration process, time is counted forwards in
seconds. The reading stays displayed until the centrifuge lid is
opened.
Removing the Rotor
To remove the rotor, proceed as follows:
1. Open the centrifuge lid.
2. Grab the rotor handle with both hands and press against
the green Auto-Lock key. At the same time, pull the rotor
directly upwards with both hands and remove it from the
centrifuge spindle. Make sure not to tilt the rotor while
doing this.
OPEN
STOP
STOP
OPEN
START
PULSE

14 | Operation Centrifuge GT 2/2R
Aerosol-tight Rotors
When using an aerosol tight lid the rotor can only be removed
with the lid closed. This is to protect you and the samples.
Figure 4. Auto-Lock lid for aerosol-tight rotors
Aligning the Centrifuge
• To turn off the centrifuge put the mains switch to "0".
CAUTION: Rotors supplied with a lid for
aerosol-tight applications come with a mandrel,
which belongs to the Auto-Lock. Be sure not to
place the lid onto this mandrel to prevent it from
being damaged.
WARNING: Mind the Auto-Lock mandrel inside
the lid. Do not touch the mandrel.

Centrifuge GT 2/2R System Menu | 15
System Menu
• Use below the bucket selection in order to navigate within the system menu points.

Stop

Start










 



Stop

Start










 


Language
Enter system menu?
End of run beep? no
Keypad beep? no
LCD powersave? no
Auto lid open? no
Software ID: 0547V01
Cycle count: 2368
Press the STOP key
to exit the system menu.
.
English
English
Deutsch
Francaise
Español
Italiano
Nederlands
Росский
0547V01
4641V051
1.Software and NVRAM identification
example values.
yes
no

16 | System Menu Centrifuge GT 2/2R
Description
Enter system menu
To enter the system menu hold down any of the keys when
switching the centrifuge on.
Change the selection by pressing the keys .
Use the keys below the speed display in order to
navigate through the system menu.
Use the keys below the bucket selection in order to
navigate within the system menu points.
Press the STOP key to quit the system menu.
Language
Use the keys below the bucket selection in order to
change the language in the display until the desired language
appears in the display.
Use the keys below the speed display in order to
navigate through the system menu.
Press the STOP key to quit the system menu.
End of Run Beep
Use the keys below the bucket selection until it says YES
in the display if the centrifuge should make beep after the run.
Otherwise use the keys below the bucket selection until
it says NO.
Use the keys below the speed display in order to
navigate through the system menu.
Press the STOP key to quit the system menu.
Keypad Beep
Use the keys below the bucket selection until it says YES
in the display if the centrifuge should make beep when
pressing any key. Otherwise use the keys below the
bucket selection until it says NO.
Use the keys below the speed display in order to
navigate through the system menu.
Press the STOP key to quit the system menu.
LCD Powersave
Use the keys below the bucket selection until it says YES
in the display if the centrifuge should enter a powersave mode
after the run. Otherwise use the keys below the bucket
selection until it says NO.
Use the keys below the speed display in order to
navigate through the system menu.
Press the STOP key to quit the system menu.
Auto Lid Open
Use the keys below the bucket selection until it says YES
in the display if the centrifuge should open after the run.
Otherwise use the keys below the bucket selection until
it says NO.
Use the keys below the speed display in order to
navigate through the system menu.
Press the STOP key to quit the system menu.
Software ID
Here you fine the current software version.
Use the keys below the speed display in order to
navigate through the system menu.
Press the STOP key to quit the system menu.
Cycle Count
Here you fine the current numbers of cycles.
Use the keys below the speed display in order to
navigate through the system menu.
Press the STOP key to quit the system menu.
STOP
STOP
STOP
STOP
STOP
STOP
STOP
STOP