Putting the device back into service following a fault or unexpected interruption ....... 13 Preventing risks during normal operation ..................14 Avoiding damage to property ......................15 Confirmation Form for the Managing Operator................16 The ZM 300 Ultra Centrifugal Mill ....................... 17 Technical data ..........................18 Views of the device .......................... 19 3.2.1 Front .............................
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6.9.2 Grinding with distance sieves ...................... 46 6.9.3 Cold grinding ..........................46 Controlling the device using the touchscreen display..............48 Menu interface on the touchscreen display ..................48 Function elements ........................... 51 Operating modes and navigation ..................... 53 7.3.1 Navigation between Operating Modes ..................53 Grinding Parameters ........................
This manual does not contain any repair instructions. Please contact your supplier or contact Retsch GmbH directly if anything is unclear or you have questions about these guidelines or the device, or in the case of any faults or necessary repairs.
The functions of the touchscreen display are labelled with a (T) in the “Controlling the device using the touchscreen display” chapter for better orientation. The Retsch ZM 300 Ultra Centrifugal Mill is usually described in the explanations in this Manual as device. 1.4 Explanations of the Safety Instructions...
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Notes on the manual WARNING W1.0000 Risk of life-threatening or serious injuries Source of danger − Possible consequences if the danger is ignored. • Instructions and information on how to avoid the risk. Life-threatening or serious injuries may result if the “Warning” sign is disregarded. There is an increased risk of a serious accident or of a possibly fatal personal injury.
2.1 Use of the Device for the Intended Purpose The Retsch ZM 300 Ultra Centrifugal Mill is used for grinding dry bulk materials as well as soft, medium-hard and fibrous materials up to a particle size of 10 mm.
The device may only be used for its intended use. Any uses other than those described under intended use are considered to be improper. The Retsch ZM 300 Ultra Centrifugal Mill is not suitable for grinding of: • Minerals with a Mohs hardness > 4, e.g. silica sands, corundum, etc.
Safety 2.3.3 Workstation and device • Ensure the workstation has sufficient lighting and ventilation. • Ensure that exhaust air is correctly transported outside. • All signs on the device must be maintained in a legible state. • Ensure that all checks and maintenance work prescribed in this Manual are carried out. 2.3.4 Qualification of personnel Work/operating phase Qualification...
GmbH! This Manual does not contain any repair instructions. For safety reasons, repairs may only be carried out by Retsch GmbH, an authorised representative or by qualified service technicians. Please notify the following in the event of a repair: •...
Safety Grinding without noise protection funnel is recommended when feeding fibrous sample material. For this type of application, PPE (eye protection and hearing protection) must be worn. Emergency release In the event of an unforeseen interruption of the grinding process (e.g. due to a power failure), the device hood can be released with the enclosed key.
Safety 2.7 Preventing risks during normal operation Non-compliance with the following safety instructions is contrary to the intended use and constitutes a danger to personnel and a risk to operational safety. Transport and set up • Do not carry the device alone during transport and set up. •...
Safety 2.8 Avoiding damage to property • Protect the device from condensation in case of expected strong temperature fluctuations (e.g. during air transport). • When transporting the device to the place of use or when setting it up, avoid any impacts and vibrations.
Safety 2.9 Confirmation Form for the Managing Operator This Manual contains fundamental information to be taken into consideration regarding the operation and maintenance of the device. It must be read by the operator and by the responsible skilled personnel before the device is put into service. This Manual must be permanently accessible and available at the application site.
The ZM 300 Ultra Centrifugal Mill The ZM 300 Ultra Centrifugal Mill The Retsch ZM 300 Ultra Centrifugal Mill is a laboratory instrument and is used for sample preparation. The device enables fast grinding of soft, medium-hard and fibrous materials up to a particle size of 10 mm.
The ZM 300 Ultra Centrifugal Mill 3.1 Technical data Operating data Power (depending on the variant) 200-240 V, 50/60 Hz, 1~, 1750 W, 16 A 100-120 V, 50/60 Hz, 1~, 1400 W, 20 A Protection ratings IP20/IP42 Adjustable from 6,000 – 23,000 rpm...
The ZM 300 Ultra Centrifugal Mill 3.2 Views of the device The numbering of components in the following views of the device is fixed and is used in further figures of components in the Manual. 3.2.1 Front Fig. 1: Front with closed device hood...
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The ZM 300 Ultra Centrifugal Mill Fig. 2: Front with open device hood Component Function Locking pin Locks the device hood Rubber sleeve Seals the opening for the through cassette and must be removed before positioning the through cassette. Interior This is where the grinding tools and the cassette are located.
The ZM 300 Ultra Centrifugal Mill 3.2.2 Back Fig. 3: Rear Component Function Power connection Connects the device to the power supply. Main switch Switches the device on or off. DR 100 interface For connection to the DR 100 feed unit.
The ZM 300 Ultra Centrifugal Mill 3.2.3 View of grinding tools and tools und cassette Fig. 4: Grinding tools and cassette Component Function Cassette lid Closes the cassette. Ring sieve Selects the sample material. Rotor Grinds the sample material. Cassette For collection of the sample material after grinding.
ZM 300. Coupling For connection between cyclone separator and through cassette. Base plate for DR 100 Accessory for installation of the DR 100 feed unit on the ZM 300.
The ZM 300 Ultra Centrifugal Mill 3.3 Instructions on the device Fig. 6: Notice on the device Position Element Meaning Eye and hearing protection must be worn when operating the device without noise protection funnel. This PPE prevents eye injuries if sample material is ejected during grinding and exposure to noise that can be caused by the grinding noise of the device.
The ZM 300 Ultra Centrifugal Mill 3.4 Description of the type plate Fig. 7: Description of nameplate Meaning Device designation Year of manufacturing Article number Serial number Manufacturer address CE marking Disposal sign Barcode Voltage variant Supply frequency Power Current rating...
N4.0014 Complaints Incomplete delivery or transport damage − The forwarding agent and Retsch GmbH must be notified immediately in the event of transport damage. It is otherwise possible that subsequent complaints will not be recognised. • Please check the delivery on receipt of the device for its completeness and intactness.
Packaging, Transport and Installation Temporary storage: Also in case of an interim storage the device must be stored dry and within the specified ambient temperature range. 4.4 Conditions for the Installation Site NOTICE N6.0021 Ambient temperature Temperatures outside the permitted range −...
− Only use the supplied power cable to connect the device to the mains supply. The devic e is s et up stable and sec ur e For initial commissioning of the ZM 300, the device must be connected to the power supply on site.
First Commissioning 5.2 Establishing the electrical connection Establish the electrical connection as follows: 1. Match the voltage and frequency of the electrical connection with the values on the nameplate. ➔ Data of electrical connection and device match. 2. Plug the mains lead into the power connection (15) on the back of the device.
Operating the device Operating the device WARNING W4.0002 Danger to life through electric shock Damaged power cable − Operating the device with a damaged power cable or plug can lead to life- threatening injuries caused by an electric shock. • Before operating the device, check the power cable and plug for damage.
Operating the device 6.1 Switching the device on Switch on the device as follows: 1. Check whether the device is correctly connected to the power supply. ➔ The device is correctly connected to the power supply. 2. Switch on the device with the main switch (16) at the rear of the device (Fig.
Operating the device 6.3 Opening the device cover Release of the device hood and opening of the interior are only possible when the device is connected to the power supply and switched on. In situations such as a power failure, emergency release of the device hood is possible (chapter "Emergency release of the device hood").
Operating the device 6.4 Closing the device cover Closing and locking the device hood are only possible when the device is connected to the power supply and switched on. Close the interior as follows: 1. Close the device hood (2) by hand and hold it in closed position.
Operating the device 6.5 Emergency release of the device cover CAUTION C4.0009 Risk of injuries Drive coasting − In the event of a power failure, the drive on the device continues to coast for a long time, as does the drive on connected device parts. After activating the emergency release, items of clothing and parts of the body can get caught in moving components of the device.
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Operating the device 5. Turn the key (4.1) clockwise as far as it will ➔ Device hood (2) is unlocked and can be opened. 6. Open the device hood (2) by hand and remove the cassette from the interior (10). 7.
Operating the device 6.6 Inserting the grinding tools und cassette NOTICE N9.0000 Damage to the device Incorrect insertion of the grinding tools and the cassette − If the grinding tools and the cassette are not inserted correctly into the interior of the device, the device will be damaged. •...
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Operating the device Fig. 19: Overview of grinding tools and cassette 4. Place the labyrinth disc (27) around the rotor shaft (11) (Fig. 20). 5. Ensure that the anti-rotation device is correctly engaged (Fig. 20). 6. Place the cassette (26) (without lid) on the labyrinth disc (27).
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Operating the device 12. Close the cassette (24) with the cassette lid (23) (Fig. 22). ➔ The grinding tools and cassette are inserted. 13. Close the device hood (2) and hold it in closed position for approx. 2 seconds. Fig. 22: Interior with open cassette ➔...
Operating the device 6.7 Feeding sample material CAUTION C5.0010 Risk of burns or poisoning Varying sample properties − The properties and therefore also the chemical reactivity of the sample can change during the grinding process and can cause burns or poisoning as a result.
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Operating the device CAUTION C8.0026 Danger! Risk of burns and injury due to explosion Mixing of different sample materials − Successive sample preparations of different materials may cause undesirable chemical reactions that can lead to fires or explosions causing injury. •...
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Operating the device The feed hopper (1) is suitable for manual feed of the sample material by hand and for automatic feed of the sample material with the DR 100 feed unit Fig. 24 (33) ( Fig. 24: Device with noise protection funnel With the DR 100 feed unit (33) , larger quantities of sample material can be fed automatically.
Operating the device 6.7.1 Feeding sample material manually Manually feed sample material as follows: 1. Set the parameters for grinding on the touch display (6) and with the control dial (7). 2. Press on the touch display (6) to start the grinding process.
(29) at the device (see "Installation of additional equipment"). 2. Set the operating mode selector switch to "Standard". 3. Switch on both devices, the ZM 300 and DR 100 (33). 4. Wait for synchronisation between the device and the DR 100 feed unit (33).
The following list does not take into account all possible materials, but serves for orientation. A detailed database and references can be found at: • www.retsch.de • myRetsch portal (see "Controlling the device with the touch display/ myRetsch") For further assistance, please contact our application laboratory, our field service...
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Operating the device Sample material Grinding tools • • Feed pellets 6-tooth rotor • Adjust the ring sieve to the desired final fineness Drugs • level. For preparation of bulk materials of up to 10 Straw • Dog biscuits • Spices •...
By embrittlement with liquid nitrogen (-196 °C), for example, the fracture behaviour of e.g. thermoplastics, rubber products, fatty foods, pharmaceuticals, etc. can be improved. For cold grinding, Retsch GmbH offers a cryokit for cooling with liquid nitrogen or dry ice.
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After a suitable cooling time, remove the sample material and fill it into the ZM 300. It is recommended to use a vacuum cleaner connected to the pipe sockets of the cyclone separator lid.
Controlling the device using the touchscreen display Controlling the device using the touchscreen display The device is controlled using the touchscreen display in combination with the control dial. 7.1 Menu interface on the touchscreen display The menu interface of the touch display is divided into the following areas: Fig.
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Controlling the device using the touchscreen display T2.1 T2.2 T3.1 T3.2 Fig. 31: Display after switching on the ZM 300 T4.1 T4.2 Fig. 32: Display after closing the lid...
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Controlling the device using the touchscreen display T3.4 T3.3 Fig. 33: Display with connected DR 100 after closing the lid Element Description Function Automatic lid opening switched on – Acoustic signal on/off. Status display T2.1 System settings Access to the system settings. T2.2 Program settings Access to program settings.
Controlling the device using the touchscreen display 7.2 Function elements Functional elements are selected on the touch display and configured with the dial. Only function elements that can currently be selected and configured are displayed or active. The dial lights up in blue when an editable value is selected. Element Description Function...
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Controlling the device using the touchscreen display Element Description Function Cancel Cancel input / return to the previous menu. Start Starts the grinding process. Stop Stops the grinding process. Start delay Time until the start of the grinding process. DR 100 conveying Setting the conveying speed of the DR 100 feed speed unit.
Controlling the device using the touchscreen display Software update Software update of the device via USB medium Service environment Access to service environment Signalling device Setting the signalling device (on/off). (on/off) Auto-unlock Switching on or off the automatic opening function. If the function is switched on, the hood is opened automatically at the end of grinding.
Controlling the device using the touchscreen display 7.4 Grinding Parameters The parameters can be set and changed via the "Parameter settings and display" (T3) operating area. 7.4.1 Adjustable Parameters The following parameters can be set by entering values with the control dial: •...
Controlling the device using the touchscreen display 7.5 Manual Mode In manual mode, the following parameters can be edited directly: Speed: Via the control dial, speeds of 6,000 to 23,000 rpm can be set. Start delay: The control dial can be used to set a delayed start of the device. After pressing the button, the device is started after a delay according to the preset minutes:seconds (mm:ss) value.
Controlling the device using the touchscreen display 7.5.1 Start Process After switching on the device, the button is hidden until the device hood is closed and locked. Press the button to start grinding. After the grinding gear has started, the start sign changes to the stop sign During a grinding process, a performance indicator is shown on the touch display.
Controlling the device using the touchscreen display 7.5.2 Stop Process Grinding is not stopped automatically (except when a DR 100 feed unit is connected and the auto stop function is selected) and must be actively stopped by pressing the stop button. ...
Controlling the device using the touchscreen display 7.6.1 Select a Program T2.4 T2.3 T4.3 T4.1 T4.5 Fig. 36: Functions of the programme mode with DR 100 connected Element Description Function T2.3 Manual mode Returns to manual mode. T2.4 Program overview Opens the program overview.
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Controlling the device using the touchscreen display T2.3 T3.5 T4.3 Fig. 37: Programs in the program overview with DR 100 connected Element Description Function T2.3 Manual mode Manual mode or return to manual mode T3.5 Program sections Displays the current parameters of the programs. T4.3 Scroll bar Indicator for the position of the program overview.
Controlling the device using the touchscreen display 7.6.2 Edit a Program T2.3 T2.5 T4.4 T4.6 Fig. 38: Edit programs Element Description Function T2.3 Manual mode Returns to manual mode. T2.5 Cancel Cancels editing of the program. T4.4 Delete Deletes the parameters of the program. T4.6 Save Saves the program.
Controlling the device using the touchscreen display 7.7 System settings The system settings can only be accessed in manual mode. Press the button. Swipe from right to left or from left to right to access the various windows of the system settings. Fig.
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Controlling the device using the touchscreen display Fig. 40: Overview 2 System settings Element Description Function Display brightness Setting of the display brightness. Date and time Setting of the date and time.
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Controlling the device using the touchscreen display Fig. 41: Overview 3 System settings Element Description Function Software version Display of the installed firmware version. Serial number The serial number of the device is displayed here. Service environment Enables access to the service environment for service technicians. Operating hours Display of operating hours Software update...
Controlling the device using the touchscreen display 7.7.1 MyRetsch The section (T5) allows access to the web portal of Retsch GmbH via QR code. This can be read in with a smartphone with the appropriate software and internet connection. Afterwards, the website of the device can be accessed directly, which provides additional information such as tips and tricks for the device as well as an application database.
Controlling the device using the touchscreen display 7.7.2 Remote By selecting the section (T7), the device can be controlled with a smartphone, tablet or PC. Press the section (T7) to establish a remote connection. After a remote connection has been established, the device is controlled exclusively by smartphone, tablet or PC.
7.7.5 Service Environment In the section (T13), the service environment can be accessed. The service environment is only accessible to service technicians of the company Retsch GmbH . If the service environment is selected by pressing the section (T13), the USB interface is activated and "On"...
Controlling the device using the touchscreen display 7.7.7 Software Update Via the section (T15), the software can be updated. A suitable USB medium must be connected to the USB interface. • The USB medium must be formatted in the FAT32 file system. •...
• Check whether the fan is blocked by a foreign object. • Switch off the main switch of the ZM 300 and start the process again. • If none of the above causes can be identified, contact the Retsch GmbH...
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• Switch off the main switch and wait 30 seconds before switching the device on again. • If the error persists, contact the Retsch GmbH technical service. Frequency converter error Communication with the frequency converter is interrupted or faulty. •...
Error messages and remarks 8.2 Remarks Remarks inform the user about certain device or program processes. The operation of the device or program may be briefly interrupted but there is no fault. The remark must be acknowledged by the user to continue the process. Remarks offer the user additional information but do not represent any device or program faults.
Installing additional equipment Installing additional equipment Thanks to Retsch additional equipment, the ZM 300 Ultra Centrifugal Mill can be flexibly adapted to different working conditions. The following additional equipment is available for the Retsch ZM 300 Ultra Centrifugal Mill: •...
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Installing additional equipment 9. Switch on the device. 10. Close the device hood (2). 11. Secure the paper filter bag (31.3) with the clamps (31.2) in the filter support (31.1). 31.4 12. Fit the filter support (31.1) with the through cassette (26.1) and connect them with the 31.1 rubber seal (31.4).
Installing additional equipment 9.2 Cyclone separator with collecting receptacle For larger quantities of sample material, the cyclone separator allows material discharge of up to 4500 ml in the collection receptacle. During the grinding process, air throughput occurs. This transports the sample material into the collection receptacle of the cyclone separator.
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Installing additional equipment 13. Place the cyclone separator (29) in the fork of the support (31) (Fig. 49). 14. Connect the cyclone separator (29) and through cassette (26.1) with the coupling (33) (Fig. 49). NOTICE: First close the hood and then fasten the coupling (36).
Installing additional equipment 9.3 DR 100 feed unit With the DR 100 feed unit, larger quantities of sample material can be fed evenly through the noise protection funnel during the grinding process. An additional interface cable is required to connect the unit to the DR 100 feed unit. The voltage and frequency must be checked against the nameplates of the device and the DR 100 feed unit.
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(Fig. 54). 11. Set the operating switch at the rear of the DR 100 feed unit (33) to "Standard". Fig. 53: DR 100 and ZM 300 interface cables 12. Connect the DR 100 feed unit (33) to the power supply 13.
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Installing additional equipment ➔ The touch display (6) of the device is activated and the control dial (7) briefly lights up in blue. ➔ The display (35) of the DR 100 feed unit (33) is activated and shows "pc" during synchronisation (Fig.
Improper repairs − Unauthorised and improper repairs can cause injuries. • Repairs to the device may only be carried out by the Retsch GmbH , an authorised representative or by qualified service technicians. • Do not carry out any unauthorised or improper repairs to the device! This chapter contains descriptions on cleaning and servicing the device.
Maintenance 10.1.1 Cleaning of the filling area Clean the components as follows: 1. Switch off the device with the main switch (16) at the rear of the device. ➔ Touch display (6) goes out. ➔ Device is switched off. 2. Disengage and remove the feed hopper (1) by turning it clockwise.
Maintenance 10.1.2 Cleaning the interior Cleaning the interior includes cleaning the rotor shaft, the sensor areas and the locking pin under the device hood. Clean the interior as follows: 1. Switch on the device with the main switch (16) at the rear of the device. ➔...
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Maintenance 11. If required, insert the grinding tools (cassette with lid, ring sieve, rotor and labyrinth disc) (see "Inserting grinding tools"). 12. Switch on the device with the main switch (16) at the rear of the device. ➔ The touch display (6) is activated and the background of the control dial (7) briefly lights up in blue.
Maintenance 10.1.3 Cleaning the grinding tools and cassette Cleaning the grinding tools and the cassette includes cleaning the labyrinth disc, the rotor, the ring sieve and the cassette with lid. Clean the grinding tools as follows: 1. If used, remove the grinding tools: •...
Maintenance 10.1.4 Cleaning the filter covers Clean the filter cover as follows: 1. Switch off the device with the main switch (16) at the rear of the device. ➔ Touch display (6) goes out. ➔ Device is switched off. 2. Remove the filter frame (22) on the back of the device by releasing it with a screwdriver.
Maintenance 10.2 Servicing To guarantee the reliability and operational safety of the device, the following servicing work must be carried out as necessary, and at least once a month. 10.2.1 Checking the roller on the closing pin for ease of movement and oiling where necessary Check and oil the locking pin as follows: 1.
Maintenance 10.2.2 Replacing the filter cover If a filter cover is heavily soiled, it must be replaced. Replace the filter cover as follows: 1. Switch off the device with the main switch (16) at the rear of the device. ➔ Touch display (6) goes out. 22.2 ➔...
10.3 Returning for repair and servicing Fig. 66: Returned goods consignment note Devices and accessories from Retsch GmbH can only be accepted for repair, maintenance or calibration if the returned goods consignment note including the declaration of no objection is completed correctly and in full.
Information about wearing parts and small accessories can be found in the complete catalogue of Retsch GmbH, that is likewise available on the homepage. In the event of questions about spare parts , please contact the representative of Retsch GmbH in your country or contact Retsch GmbH directly.
Disposal 12 Disposal In the case of a disposal, the respective statutory requirements must be observed. In the following, information on the disposal of electrical and electronic devices in the European Community are given. Within the European Community the disposal of electrically operated devices is regulated by national provisions that are based on the EU Directive 2012/19/EU on Waste Electrical and Electronic Equipment (WEEE).
13 Index Device hood 19, 32, 33, 35, 38, 44, 72, 74, 79, 81, Accessories ............87 Dimensions ............18 Adjustable parameters ........54 Disclaimer ............6 Ambient temperature .......... 27 Display brightness ..........62 Amendment status ..........6 Display of the DR 100 feed unit ..... 23, 44, 77 Anti-rotation device ........
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Grinding gear ............44 Obligations of the operating company ....10 Grinding methods ..........46 Open ............50, 58 Grinding noise ............. 30 Opening for through cassette ...... 19, 35 Grinding parameters ........... 54 Opening the device ..........32 Grinding with distance sieves ......46 Operating hours ...........
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Supply frequency ..........25 Year..............25 Support ............... 23 Switching the device off ........31 Switching the device on ........31 ZM 300 Ultra Centrifugal Mill ......17 Symbols ..............7 Zyklonabscheider ..........23 system settings ........... 61 System settings ..........50, 61...
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