Contents How to use these operating instructions .........................5 Symbol meanings ..............................5 Intended use ................................6 Remaining risks ..............................6 Technical specifications ............................7 Notes on safety...............................8 Transport and storage............................10 Transport ...............................10 Storage ................................10 Scope of delivery ..............................10 Removing the transport securing device.......................11 Initial operation ..............................11 Opening and closing the lid ..........................12 11.1 Opening the lid ............................12...
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Centrifugation of materials or mixtures of materials with a density higher than 1.2 kg/dm .......31 Emergency unlocking ............................31 Maintenance and servicing..........................32 24.1 Centrifuge (housing, lid and centrifuging chamber)..................32 24.1.1 Surface cleaning and care ........................32 24.1.2 Surface disinfection ..........................32 24.1.3 Removal of radioactive contaminants ....................32 24.2 Rotors and Attachments ..........................33 24.2.1...
How to use these operating instructions Before using the centrifuge, read the operating instructions and observe them. The operating instructions are a part of the device. They must always be kept readily available. If the device is set up at a different location, the operating instructions must be provided with it. Symbol meanings Symbol on the device: Attention, general hazard area.
The centrifuge is only meant for this purpose. Another use or one which goes beyond this, is considered to be non-intended. The company Andreas Hettich GmbH & Co. KG is not liable for damage resulting from this. Observing all information in the operating instructions and complying with the measures described therein is also a part of the intended use.
Notes on safety No claim of warranty will be considered by the manufacturer unless ALL instructions in this manual have been followed. Reports of serious incidents involving the device Report any serious incidents involving the device to the manufacturer and, if necessary, to the competent authority.
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Repairs must only be carried out by personnel authorised to do so by the manufacturer. Only original spare parts and original accessories licensed by the Andreas Hettich GmbH & Co. KG company are allowed to be utilised.
Transport and storage Transport Before transporting the device, the transport securing device must be installed. When the device and accessories are transported, the following ambient conditions must be complied with: Ambient temperature: -20°C to +60°C Relative humidity: 10% to 80%, non-condensing Storage The device and the accessories may only be stored in closed and dry rooms.
Removing the transport securing device It is imperative that the transport securing device be removed. Keep the transport securing device in a safe place since it must be installed again before transporting the device. The device may only be transported with the transport securing device installed. To protect the device from damage during transport, the motor is fixed in place.
Opening and closing the lid 11.1 Opening the lid The lid can only be opened if the centrifuge is switched on and the rotor is stationary. If this shouldn't be possible, see the "Emergency unlock" chapter. When the cycle counter is activated, after a centrifugation run, while opening the lid, the remaining number of running cycles (centrifugation runs) is briefly displayed.
Loading the rotor Standard centrifuge containers of glass will not stand RCF values exceeding 4000 (DIN 58970, pg. 2). Check the rotor for firm seating. The rotors must be loaded symmetrically. The centrifuge containers have to be distributed evenly on all rotor positions.
Operating and display elements >RCF< t/min:s START PULSE RPM/RCF STOP SELECT OPEN 15.1 Displayed symbols Lid unlocked. Lid locked. Rotation display. The rotation display lights up, rotating counterclockwise, as long as the rotor is turning. 15.2 Control panel keys Input the speed directly. RPM/RCF If the key is kept pressed, the value changes with increasing speed.
15.3 Setting options t/min Runtime. Adjustable from 1 - 99 min, in steps of 1 minute. t/sec Runtime. Adjustable from 1 - 59 s, in steps of 1 second. Continuous run "--:--". Set the parameters t/min and t/sec to zero. Speed A number value from 200 rpm to the maximum speed of the rotor can be set.
Entering centrifugation parameters 16.1 Direct input of the centrifugation parameters The speed (RPM), the relative centrifugal force (RCF), the centrifuging radius (RAD) and the runtime can be input SELECT directly with the keys without previously having to press the key. The set centrifugation parameters are only stored after starting the centrifugation run.
16.2 Input of the centrifugation parameters with the "SELECT" key The runtime can be set in minutes and seconds (parameters t/min and t/sec). In order to set the continuous run, the parameters t/min and t/sec must be set to zero. In the time display (t/min:s), "--:--"...
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Example: Example: RPM display (RPM) RCF display ( RCF ) Press the key. >RCF< t/min:s >RCF< t/min:s SELECT RPM : Speed. RAD/mm : Centrifuging radius. It is only possible to display and input the centrifuging radius if the RCF display ( RCF ) is activated.
Centrifugation In accordance with EN / IEC 61010-2-020, no persons, hazardous substances or objects may be within a safety range 300 mm around the centrifuge during a centrifugation run. After each centrifugation run, while the lid is unlocking, the remaining number of running cycles (centrifugation runs) will be briefly displayed.
Example: Example: RPM display (RPM) RCF display ( RCF ) After the time elapses or if the centrifugation run is >RCF< t/min:s >RCF< t/min:s STOP OPEN aborted by pressing the key, the run-out occurs with the set brake stage. The brake stage is displayed.
17.3 Short-term centrifugation Example: Example: RPM display (RPM) RCF display ( RCF ) Press the key to activate the RPM display >RCF< t/min:s >RCF< t/min:s (RPM) or the RCF display ( RCF ) as needed. Enter the desired centrifugation parameters (see the >RCF<...
Cycle counter The period of use of the rotor is limited to 50000 running cycles (centrifugation runs). The centrifuge is equipped with a cycle counter, which counts the running cycles (centrifugation runs). After each centrifugation run, while the lid is unlocking, the remaining number of running cycles (centrifugation runs) will be briefly displayed.
20.1 Querying system information The following system information can be queried: Device model and its maximum speed, Program version of the device, Type number of the device, Device date of manufacture, Device serial number, Frequency converter type ...
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Press the key. Example: SELECT Device serial number. >RCF< t/min:s Press the key. Example: SELECT Frequency converter type. >RCF< t/min:s Press the key. Example: SELECT Frequency converter program version. >RCF< t/min:s Press the key twice to exit the " Example: Info"...
20.2 Acoustic signal The acoustic signal sounds: after a malfunction occurs in a 2-second interval. after ending the centrifugation run and the rotor is at a standstill in a 30-second interval. The acoustic signal is ended by pressing any key. If the rotor is at a standstill, the acoustic signal can be set as follows: STOP OPEN...
Press the button to save the setting. START >RCF< t/min:s >RCF< t/min:s PULSE Press the key once to exit the " Example: STOP OPEN Settings" >RCF< t/min:s >RCF< t/min:s menu or press twice to exit the " MACHINE MENU ".
20.4 Automatic unlocking of the lid after the centrifugation run It can be set whether the lid should automatically unlock or not after the centrifugation run. With the rotor at a standstill, this can be set as follows: STOP OPEN The procedure can be aborted at any time by pressing the key.
20.5 Backlighting of the display To save energy, it can be set that, after a centrifugation run, the backlighting of the display switches off after 2 minutes. With the rotor at a standstill, this can be set as follows: STOP OPEN The procedure can be aborted at any time by pressing the key.
20.6 Querying the hours of operation and the number of centrifugation runs The hours of operation are divided into internal and external hours of operation. Internal hours of operation: Total time the device was switched on. External hours of operation: Total time of the previous centrifugation runs. With the rotor at a standstill, the query can proceed as follows: STOP OPEN...
20.7 Resetting the cycle counter to zero After the rotor has been exchanged, the cycle counter must be reset to zero again. The cycle counter may only be reset to zero if the rotor has been exchanged for a new rotor first. With the rotor at a standstill, the cycle counter can be reset as follows: STOP OPEN...
Relative centrifugal force (RCF) The relative centrifugal force (RCF) is given as a multiple of the acceleration of gravity (g). It is a unit-free value and serves to compare the separation and sedimentation performance. These values are calculated using the formula below: ...
Maintenance and servicing The device can be contaminated. Pull the mains plug before cleaning. Before any other cleaning or decontamination process other than that recommended by the manufacturer is applied, the user has to check with the manufacturer that the planned process does not damage the device. ...
24.2 Rotors and Attachments 24.2.1 Cleaning and care In order to avoid corrosion and changes in materials, the rotors and accessories have to be cleaned regularly with soap or with a mild cleaning agent and a moist cloth. Cleaning is recommended at least once a week. Contaminants must be removed immediately.
24.3 Autoclaving The rotors may be autoclaved at 121°C / 250°F (20 min). After 10 autoclaving cycles, the rotor must be exchanged for safety reasons. After autoclaving, it must be waited until the rotor has cooled down to the ambient temperature before it may be used again.
Faults If the fault cannot be eliminated with the help of the fault table, please inform Customer Service. Please specify the type of centrifuge and the serial number. Both numbers can be found on the name plate of the centrifuge. Perform a MAINS RESET: ...
Before returning the device, a transport securing device has to be installed. If the device or its accessories are returned to Andreas Hettich GmbH & Co. KG, in order to provide protection for people, the environment and materials, it has to be decontaminated and cleaned before being shipped.