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  • Request Quote Test Sieve Size Chart

    The well-proven RETSCH sieves consist of a solid stainless steel sieve frame of high stability for reliable sieving results. Paying close attention to mesh-specific requirements, the sieve fabric is precisely joined into the frame and tautened. RETSCH test sieve provides a clear and accurate labeling with full traceability.

    The sieves can be easily combined with all other sieve brands. Each sieve that leaves our company comes with a test report or, at your request, with a special inspection certificate in conformity with national and international standards (PDF). RETSCH calibration certificates confirm a great number of precision measurements, thus ensuring an even higher statistical reliability for your quality control.

    RETSCH test sieves are available in many sizes and varieties.

    Application Examples

    Cement Clinker, Chemicals, Coffee, Construction Materials, Fertilizers, Fillers, Flours, Grains, Metal Powders, Minerals, Nuts, Plastics, Sand, Seeds, Soils, Washing Powder, …

    Product Advantages

    • Sieve meshes, frames and labeling comply with standards
    • Tested 5 times, with quality certificate
    • According to DIN ISO, ASTM
    • Individual inspection certificate for test materials monitoring according to ISO 9000 ff available on request
    • Stainless steel sieves, 20 µm to 450 mm

    Applications: Separation, Fractioning, Particle Size Determination
    Field of Application: Agriculture, Biology, Chemistry / Plastics, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Feed Material: Powders, Bulk Materials, Suspensions
    Frame Diameter: ø 100 mm / 150 mm / 305 mm / 400 mm / 450 mm
    Surface Type: Wire Gauze
    Mesh Sizes: 125 mm – 20 µm
    Standards: ISO 3310-1 / ASTM E11

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    The well-proven RETSCH perforated plate sieves consist of a solid stainless steel sieve frame of high stability for reliable sieving results.

    The sieves can be easily combined with all other sieve brands. Each sieve that leaves our company comes with a test report.

    Application Examples

    Cement Clinker, Chemicals, Coffee, Construction Materials, Fertilizers, Fillers, Flours, Grains, Metals Powders, Minerals, Nuts, Plastics, Sand, Seeds, Soils, Washing Powder, …

    Product Advantages

    • Perforated plate, frames and labeling comply with standards
    • Tested 5 times, with quality certificate
    • According to DIN ISO
    • Stainless steel sieves, 1 mm to 125 mm

    Applications: Separation, Fractioning, Particle Size Determination
    Field of Application: Agriculture, Biology, Chemistry / Plastics, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Feed Material: Powders, Bulk Materials, Suspensions
    Frame Diameter: ø 200 mm / 305 mm / 400 mm
    Surface Type: Perforated Plate
    Aperture Sizes: 125 mm – 1 mm
    Standards: ISO 3310-2 / ISO 5223

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  • Request Quote Test Sieve Size Chart

    The well-proven RETSCH sieves consist of a solid stainless steel sieve frame of high stability for reliable sieving results. Paying close attention to mesh-specific requirements, the sieve fabric is precisely joined into the frame and tautened. The individual laser engraving of each RETSCH test sieve provides a clear and accurate labeling with full traceability.

    The sieves can be easily combined with all other sieve brands. Each sieve that leaves the company comes with a test report or, at your request, with a special inspection certificate in conformity with national and international standards (PDF). RETSCH calibration certificates confirm a great number of precision measurements, thus ensuring an even higher statistical reliability for your quality control.

    RETSCH test sieves are available in many sizes and varieties, primarily in the four frame sizes most widely used in laboratory analytics:

    • 200 x 50 mm, 200 x 25 mm
    • 8“x 2“ (203 x 50 mm), 8“x 1“ (203 x 25 mm)

    Application Examples

    Cement Clinker, Chemicals, Coffee, Construction Materials, Fertilizers, Fillers, Flours, Grains, Metal Powders, Minerals, Nuts, Plastics, Sand, Seeds, Soils, Washing Powder, …

    Product Advantages

    • Stainless steel sieve frame with high form stability
    • High degree of corrosion resistance and easy cleaning thanks to high-alloy stainless steel
    • Sieve mesh sizes from 20 µm to 125 mm
    • Permanently tight sieve fabric
    • Excellent product quality due to extensive optical inspection
    • Maximum stability and optimum sealing when used in sieve stacks thanks to the o-ring which is placed in the recess designed for this purpose
    • Clear and precise labeling of the sieves with full traceability based on individualized laser engraving

    Function Principle

    Prior to delivery, each test sieve is optically measured and granted a test report. On request, an inspection certificate with the measuring results in tabular and graphical form or a calibration certificate with detailed statistics is delivered.

    As a special service, we offer to recalibrate your test sieves. After the standard measuring process, all relevant data is recorded and confirmed in the calibration certificate, if desired.

    Applications: Separation, Fractioning, Particle Size Determination
    Field of Application: Agriculture, Biology, Chemistry / Plastics, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Feed Material: Powders, Bulk Materials, Suspensions
    Frame Diameter: ø 200 mm / 203 mm
    Surface Type: wire Gauze
    Mesh Sizes: 125 mm – 20 µm
    Standards: ISO 3310-1 / ASTM E11

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    The vibratory sieve shakers of the series AS 200 are used in research & development, quality control of raw materials, interim and finished products as well as in production monitoring. The controllable electromagnetic drive offers an optimal adaption for every product. Sharp fractions are obtained even after short sieving times.

    The AS 200 basic sieve shaker is the economical alternative of the series with familiar quality and reliability. It features digital setting and display of performance and time.

    Application Examples

    Cement Clinker, Chemicals, Coffee, Construction Materials, Fertilizers, Fillers, Flours, Grains, Metal Powders, Minerals, Nuts, Plastics, Sand, Seeds, Soils, Washing Powder, …

    Product Advantages

    • NEW: Digital display of performance and time
    • Suitable for dry and wet sieving
    • Excellent separation efficiency even with short sieving times
    • Efficient electromagnetic drive
    • 3-D throwing motion which ensures optimum use of the open sieve area and lets the sample move equally over the whole sieving surface
    • Sieve stack up to 510 mm height
    • Free adjustment of all process parameters (time, performance)
    • Optional comfort clamping device
    • Optional evaluation software EasySieve
    • Maintenance-free
    • Easy operation, ergonomic design

    Function Principle

    Each vibratory sieve shaker of the series AS 200 is equipped with an electromagnetic drive that is patented. This drive produces a 3D throwing motion that moves the product to be sieved equally over the whole sieving surface.

    The advantage: high stress capacity, extremely smooth operation and short sieving times with high separation efficiency.

    Applications: Separation, Fractioning, Particle Size Determination
    Feed Material: Powders, Bulk Materials, Suspensions
    Measuring Range: 20 µm – 25 mm
    Sieving Motion: Throwing motion with angular momentum
    Max. Batch / Feed Capacity: 3 kg
    Max. Number of Fractions: 9 / 17
    Max. Mass of Sieve Stack: 4 kg
    Amplitude: Digital, 1 – 100% (0 – 3 mm)
    Time Display: Digital, 1 – 99 min
    Suitable for Dry Sieving: Yes
    Suitable for Wet Sieving: Yes
    Suitable Sieve Diameters: 100 mm / 150 mm / 200 mm / 203 mm (8″)
    Max. Height of Sieve Stack: 510 mm
    Clamping Devices: “Standard”, “Comfort”, each for wet and dry sieving
    Protection Code: IP 54 / IP 20
    Electrical Supply Data: Different Voltages
    Power Connection: 1-Phase
    W x H x D: 417 x 212 x 384 mm
    Net Weight: ~ 35 kg
    Standards: CE

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    The analytical sieve shakers of the series AS 200 are used in research & development, quality control of raw materials, interim and finished products as well as in production monitoring. The controllable electromagnetic drive offers an optimal adaption for every product. Sharp fractions are obtained even after very short sieving times.

    With its all-digital controls, up to 99 sieving programs and calibration certificate the sieve shaker AS 200 control is indispensable for all users who attach importance to precision and operational convenience and need to comply with the guidelines of the ISO 9001.

     

    Application Examples

    cement clinker, chemicals, coffee, construction materials, fertilizers, fillers, flours, grains, metals powders, minerals, nuts, plastics, sand, seeds, soils, washing powder, …

    Product Advantages

    • NEW: Up to 99 sieving programs
    • NEW: Low noise operation thanks to optimized control
    • NEW: USB connection for use of EasySieve software
    • Suitable for dry and wet sieving
    • Excellent separation efficiency even with short sieving times
    • Efficient electromagnetic drive
    • 3-D throwing motion which ensures optimum use of the open sieve area and lets the sample move equally over the whole sieving surface
    • Setting of sieve acceleration “g” for comparable and reproducible sieving results worldwide
    • Sieve stack up to 620 mm height
    • Free digital adjustment of all process parameters (time, amplitude or sieve acceleration, interval)
    • Interval operation
    • Optional sieve software EasySieve for control of the shaker, easy evaluation and documentation of results
    • Fulfils all criteria for measuring equipment related to ISO 9001
    • Calibration certificate
    • Easy operation, ergonomic design
    • Maintenance-free

    Function Principle

    All sieve shakers of the series AS 200 work with an electromagnetic drive that is patented. This drive produces a 3D throwing motion that moves the product to be sieved equally over the whole sieving surface. The  advantage: high stress capacity, extremely smooth operation and short sieving times with high separation efficiency.

    Applications: Separation, Fractioning, Particle Size Determination
    Feed Material: Powders, Bulk Materials, Suspensions
    Measuring Range: 20 µm – 25 mm
    Sieving Motion: Throwing motion with angular momentum
    Max. Batch / Feed Capacity: 3 kg
    Max. Number of Fractions: 11 / 23
    Max. Mass of Sieve Stack: 6 kg
    Amplitude: Digital, 0.2 – 3 mm
    Sieve acceleration: 1.0 – 15.1 g
    Controlled Amplitude: Yes
    Time Display: Digital, 1 – 99 min
    Interval Operation: 1 – 99 s
    Storable SOPs: 99
    Suitable for Dry Sieving: Yes
    Suitable for Wet Sieving: Yes
    USB Interface: Yes
    Including Test Certificate / Can be Calibrated: Yes
    Suitable Sieve Diameters: 100 mm / 150 mm / 200 mm / 203 mm (8″)
    Max. Height of Sieve Stack: 620 mm
    Clamping Devices: “Standard”, “Comfort”, each for wet and dry sieving
    Protection Code: IP 54 / IP 20
    Electrical Supply Data: 100-240 V, 50/60 Hz
    Power Connection: 1-Phase
    W x H x D: 417 x 212 x 384 mm
    Net Weight: ~ 35 kg
    Standards: CE


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    The analytical sieve shakers of the series AS 200 are used in research & development, quality control of raw materials, interim and finished products as well as in production monitoring. The controllable electromagnetic drive offers an optimal adaption for every product. Sharp fractions are obtained even after short sieving times.

    The AS 200 digit cA sieve shaker is recommended whenever controlled amplitude, digital display of vibration height and time and interval operation are required.

    Application Examples

    Cement Clinker, Chemicals, Coffee, Construction Materials, Fertilizers, Fillers, Flours, Grains, Metal Powders, Minerals, Nuts, Plastics, Sand, Seeds, Soils, Washing Powder, …

    Product Advantages

    • NEW: Controlled amplitude
    • Suitable for dry and wet sieving
    • Excellent separation efficiency even with short sieving times
    • Efficient electromagnetic drive
    • 3-D throwing motion which ensures optimum use of the open sieve area and lets the sample move equally over the whole sieving surface
    • Maintenance-free
    • Sieve stack up to 510 mm height
    • Free adjustment of all process parameters (time, amplitude)
    • Interval operation (fix 10 s)
    • Digital display of vibration height and time
    • Easy operation, ergonomic design

    Function Principle

    All sieve shakers of the series AS 200 work with an electromagnetic drive that is patented. This drive produces a 3D throwing motion that moves the product to be sieved equally over the whole sieving surface. The advantage: high stress capacity, extremely smooth operation and short sieving times with high separation efficiency.

    Applications: Separation, Fractioning, Particle Size Determination
    Feed Material: Powders, Bulk Materials, Suspensions
    Measuring Range: 20 µm – 25 mm
    Sieving Motion: Throwing motion with angular momentum
    Max. Batch / Feed Capacity: 3 kg
    Max. Number of Fractions: 9 / 17
    Max. Mass of Sieve Stack: 4 kg
    Amplitude: Digital, 0.2 – 3 mm
    Controlled Amplitude: Yes
    Time Display: Digital, 1 – 99 min
    Interval Operation: 10 s
    Storable SOPs: 1
    Suitable for Dry Sieving: Yes
    Suitable for Wet Sieving: Yes
    USB Interface: Yes
    Suitable Sieve Diameters: 100 mm / 150 mm / 200 mm / 203 mm (8″)
    Max. Height of Sieve Stack: 510 mm
    Clamping Devices: “Standard”, “Comfort”, each for wet and dry sieving
    Protection Code: IP 54 / IP 20
    Electrical Supply Data: Different Voltages
    Power Connection: 1-Phase
    W x H x D: 417 x 212 x 384 mm
    Net Weight: ~ 35 kg
    Standards: CE

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    The new Air Jet Sieve AS 200 jet is particularly suitable for sieve cuts of powdered materials which require efficient dispersion and deagglomeration. The option to store up to 10 SOPs and the automatic vacuum regulator (accessory) guarantees reproducible and meaningful results.

    Innovative features such as the Open Mesh function, the selection of the nozzle speed as well as optional use of standard 2″ high test sieves perfects the new air jet technology.

    Application Examples

    Ceramics, Chemical Products, Cosmetics, Food, Minerals, Pharmaceutical Materials, Pigments, Plastics, Powder Coating, Rubber, Toner, Washing Powder, …

    Product Advantages

    • Sieving with air jet technology for dispersion and desagglomeration of fine powders
    • Open Mesh Function to reduce the number of near-mesh particles
    • High flexibility through adjustable nozzle speed
    • Operation with standard Retsch sieves, 203 mm (8″)Ø or 200 mm Ø (with adapter), 1″ or 2″ high
    • Free manual (standard) or automatic (accessory) pressure regulation
    • Optional software EasySieve for control through RS232 serial interface, easy evaluation and documentation of results
    • Free digital adjustment of all process parameters (time, vacuum, speed)
    • Additional Quick Start mode
    • Silent operation due to integrated silencer
    • Collection of two fractions possible by use of cyclone
    • Air jet produced by a powerful industrial vacuum cleaner
    • Fulfils all criteria for measuring equipment related to ISO 9001
    • Easy operation, ergonomic design
    • Maintenance-free
    • Memory for up to 9 SOPs

    Function Principle

    The AS 200 jet is equipped with a rotating slotted nozzle. The sieve and lid are placed above the nozzle. A vacuum generates a strong jet of air which disperses the particles on the sieve through the slotted nozzle. The material which is smaller than the mesh size of the sieve is transported by the back flow of the air to the cyclone or to the vacuum cleaner. The air jet helps to deagglomerate the particles and constantly purges the sieve mesh.

    Applications: Separation, Fractioning, Particle Size Determination
    Field of Application: Chemistry / Plastics, Construction Materials, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Feed Material: Powders
    Measuring Range: 10 µm – ~ 4 mm
    Sieving Motion: Dispersion by Air Jet
    Max. Batch / Feed Capacity: 0.3 – 100 g
    Max. Number of Fractions: 1 (by using a cyclone: 2)
    Speed: Digital, 5 – 55 min-1 (Nozzle)
    Time Display: Digital, 00:01 – 99:59 min
    Vacuum: 2,000 – 9,999 Pa / 20 – 99 mbar / 0.3 – 1.45 psi
    Storable SOPs: 9 / Quick Start mode
    Suitable for Dry Sieving: Yes
    Serial Interface: Yes
    Including Test Certificate / Can be Calibrated: Yes
    Suitable Sieve Diameters: 203 mm (200 mm with adapter)
    Max. Height of Sieve Stack: 1 sieve (25 mm (1″) / 50 mm ( 2″))
    Accessories: Cyclone / Automatic Vacuum Regulation
    Electrical Supply Data: 100-240 V, 50/60 Hz
    Power Connection: 1-Phase
    W x H x D: 460 x 288 x 305 (Without cover)
    Net weight: ~ 16 kg
    Standards: CE

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    The analytical sieve shaker AS 200 tap is used in research & development, quality control of raw materials, interim and finished products as well as in production monitoring.
    Its tapping motion supports the sieve analysis of certain products such as activated carbon, abrasives, metal powder, spices and diamonds, as specified in the corresponding standards.

    Application Examples

    Abrasives, Charcoal, Cement, Coal, Diamonds, Spices, …

    Product Advantages

    • Horizontal circular sieving motion with vertical taps
    • Maintenance-free
    • Suitable for dry sieving
    • Excellent separation efficiency even with short sieving times
    • Sieve stack up to 350 mm height
    • Digital time setting
    • Easy operation, ergonomic design
    • Including software EasySieve for control through RS232 serial interface, easy evaluation and documentation of results
    • Fulfils all criteria for measuring equipment related to ISO 9001

    Function Principle

    In the AS 200 tap, mechanical action is applied to the test sieves in two dimensions. In addition to a horizontal circular motion with 280 oscillations, a vertical tapping motion with 150 taps per minute helps the particles to pass the sieve apertures. This combination of sieving motions simulates hand sieving. The number of oscillations and taps is independent of the power frequency which makes the sieving results of the AS 200 tap comparable world wide.

    Applications: Separation, Fractioning, Particle Size Determination
    Field of application: Agriculture, Biology, Chemistry / Plastics, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Feed material: Powders, Bulk Materials
    Measuring range*: 20 µm – 25 mm
    Sieving motion: Horizontal circular motion with taps
    Max. batch / feed capacity: 3 kg
    Max. number of fractions: 7 / 13
    Max. mass of sieve stack: 6 kg
    Speed: 280 min-1
    No. of taps: 150 min-1
    Time display: Digital, 1-99 minutes
    Suitable for dry sieving: Yes
    Serial interface: Yes
    Suitable sieve diameters: 200 mm / 203 mm (8″)
    Max. height of sieve stack: 380 mm
    Protection code IP 50
    Electrical supply data: Different Voltages
    Power connection: 1-Phase
    Power consumption: 180 W
    W x H x D: 700 x 640 x 450 mm / with sound enclosure cabinet: 700 x 670 x 520 mm
    Net weight: ~ 68 kg / with sound enclosure cabinet: ~ 92 kg

     

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    The analytical sieve shaker AS 300 control is used in research & development, quality control of raw materials, interim and finished products as well as in production monitoring. The controllable electromagnetic drive offers an optimal adaption for every product. Sharp fractions are obtained even after short sieving times.

    The AS 300 control is particularly designed for test sieves with a diameter of 305 mm (12″). Compared to sieves with a diameter of 200 mm, a 2.25 times higher sieving surface is available. Therefore, the average sieving times can be greatly reduced with the AS 300 control. With its all-digital controls and calibration certificate the sieve shaker AS 300 control is indispensable for all users who attach importance to precision and operational convenience and need to comply with the guidelines of the ISO 9001.

    Application Examples

    Cement Clinker, Chemicals, Coffee, Construction Materials, Fertilizers, Fillers, Flours, Grains, Metal Powders, Minerals, Nuts, Plastics, Sand, Seeds, Soils, Washing Powder, …

    Product Advantages

    • NEW: Up to 99 sieving programs
    • NEW: Low noise operation thanks to optimized control
    • NEW: USB connection for use of EasySieve software
    • Suitable for dry and wet sieving
    • Excellent separation efficiency even with short sieving times
    • Efficient electromagnetic drive
    • 3-D throwing motion which ensures optimum use of the open sieve area and lets the sample move equally over the whole sieving surface
    • Setting of sieve acceleration “g” for comparable and reproducible sieving results worldwide
    • Sieve stack up to 510 mm height
    • Free digital adjustment of all process parameters (time, amplitude or sieve acceleration, interval)
    • Interval operation
    • Optional sieve software EasySieve for control of the shaker, easy evaluation and documentation of results
    • Fulfils all criteria for measuring equipment related to ISO 9001
    • Calibration certificate
    • Easy operation (clamping), ergonomic design
    • Maintenance-free
    • Dry and wet sieving in one model

    Function Principle

    The AS 300 works with an electromagnetic drive that is patented by RETSCH (EP 0642844). This drive produces a 3D throwing motion that moves the product to be sieved equally over the whole sieving surface. The advantage: high stress capacity, extremely smooth operation and short sieving times with high separation efficiency.

    Applications: Separation, Fractioning, Particle Size Determination
    Field of Application: Agriculture, Biology, Chemistry / Plastics, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Feed Material: Powders, Bulk Materials, Suspensions
    Measuring Range: 20 µm – 40 mm
    Sieving Motion: Throwing motion with angular momentum
    Max. Batch / Feed Capacity: 6 kg
    Max. Number of Fractions: 11 / 17
    Max. Mass of Sieve Stack: 10 kg
    Amplitude: Digital, 0.2 – > 2.20 mm
    Controlled Amplitude: Yes
    Sieve Acceleration: 1.0 – > 10.0 g
    Time Display: Digital, 1 – 99 min
    Interval Operation: 1 – 99 s
    Storable SOPs: 99
    Suitable for Dry Sieving: Yes
    Suitable for Wet Sieving: Yes
    Serial Interface: Yes
    Including Test Certificate / Can be Calibrated: Yes
    Suitable Sieve Diameters: 100 mm / 150 mm / 200 mm / 203 mm (8″) / 305 mm / 315 mm
    Max. Height of Sieve Stack: 510 mm
    Clamping Devices: “Standard”, “Comfort”, each for wet and dry sieving
    Protection Code: IP 54 / IP 20
    Electrical Supply Data: 100-240 V, 50/60 Hz
    Power Connection: 1-Phase
    W x H x D: 417 x 220 x 384 mm
    Net Weight: ~ 42 kg
    Standards: CE

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    The analytical sieve shaker AS 400 control is used in research & development, quality control of raw materials, interim and finished products as well as in production monitoring.
    The AS 400 control is used for the sieving of dry goods with test sieves of a diameter up to 400 mm. In this, the uniform, horizontal circular motion ensures exact separation of fine and coarse-grained products.

    With its all-digital controls and calibration certificate the AS 400 control is indispensable for all users who attach importance to precision and operational convenience and need to comply with the guidelines of the ISO 9001.

    Application Examples

    Construction Materials, Ground Corn, Plastics, Sand, Splints

    Product Advantages

    • Sieving with circular sieving motion according to DIN 53477
    • Excellent separation efficiency even with short sieving times
    • Sieve stack up to 510 mm height
    • Free digital adjustment of all process parameters (time, speed or sieve acceleration, interval)
    • Memory for up to 9 SOPs
    • Interval operation
    • Optional software EasySieve for control through RS232 serial interface, easy evaluation and documentation of results
    • Fulfils all criteria for measuring equipment related to ISO 9001
    • Maintenance-free
    • Easy operation, ergonomic design

    Function Principle

    The base plate of the AS 400 control performs horizontal circular motions with a radius of 15 mm (according to DIN 53477). The speed of 50 to 300 rpm is electronically controlled. It is continuously adjustable to meet the requirements of the product to be sieved. The actual value of the number of revolutions is digitally displayed. The base plate is driven by a robust, maintenance-free drive motor with a power of 125 Watt. The power is transmitted via an eccentric.

    Applications: Separation, Fractioning, Particle Size Determination
    Field of Application: Agriculture, Biology, Chemistry / Plastics, Construction Materials, Engineering / Electronics, Environment / Recycling, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / Pharmaceuticals
    Feed Material: Powders, Bulk Materials
    Sieving motion: Horizontal Circular Motion
    Max. Batch / Feed Capacity: 5 kg
    Max. Number of Fractions: 7 / 9 / 17
    Max. Mass of Sieve Stack 15 kg
    Speed: Digital, 50 – 300 min-1
    Time display: Digital, 1 – 99 min
    Interval operation: 1 – 10 min
    Storable SOPs: 9
    Suitable for dry sieving: Yes
    Serial interface: Yes
    Including Test Certificate / Can Be Calibrated: Yes
    Suitable Sieve Diameters: 100 mm / 150 mm / 200 mm / 203 mm (8″) / 305 mm / 315 mm / 400 mm
    Max. Height of Sieve Stack: 510 mm
    Clamping Devices: “Standard”, “Comfort”, Each for Dry Sieving
    Protection code: IP 54 / IP 20
    Electrical Supply Data: 100-240 V, 50/60 Hz
    Power Connection: 1-Phase
    W x H x D: 540 x 260 x 507 mm
    Net Weight: ~ 70 kg
    Standards: CE

     

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    The AS 450 basic, is a budget-priced alternative to the AS 450 control sieve shaker. The new sieve shaker covers a size range from 25 μm to 125 mm and accepts loads of up to 15 kg. Time and amplitude are digitally set, a memory function allows storage of one program. The AS 450 basic is suitable for dry and wet sieving. It is the economic solution for customers who need to sieve larger quantities of dry material with reliable results.

    Application Examples

    Cement Clinker, Chemicals, Coal, Coke, Construction Materials, Fillers, Minerals, Ores, Plastics, Sand, Soils, …

    Product Advantages

    • Suitable for dry and wet sieving
    • Excellent separation efficiency even with short sieving times
    • Efficient electromagnetic drive
    • 3-D throwing motion which ensures optimum use of the open sieve area and lets the sample move equally over the whole sieving surface
    • Up to 12 fractions in one sieving operation
    • Free digital adjustment of all process parameters (time, amplitude, interval)
    • Mobile operation panel for comfortable, intuitive handling
    • Maintenance-free
    • Easy operation, ergonomic design
    • Robust steel housing

    Function Principle

    The AS 450 basic works with an electromagnetic drive. This drive produces a 3D throwing motion that moves the product to be sieved equally over the whole sieving surface. The advantage: high stress capacity, extremely smooth operation and short sieving times with high separation efficiency.

    Applications: Separation, Fractioning, Particle Size Determination
    Field of Application: Chemistry / Plastics, Construction Materials, Engineering / Electronics, Environment / Recycling, Geology / Metallurgy, Glass / Ceramics
    Feed Material: Powders, Bulk Materials
    Measuring Range: 25 µm – 125 mm
    Sieving Motion: Throwing motion with angular momentum – 3D movement
    Max. Batch / Feed Capacity: 15 kg
    Max. Number of Fractions: 12 / 8
    Max. Mass of Sieve Stack: 50 kg
    Amplitude: Digital, 0 – > 2 mm
    Time Display: Digital, 0 – 99 min
    Interval Operation: Yes
    Storable SOPs: 1
    Suitable for Dry Sieving Yes
    Suitable for Wet Sieving Yes
    Suitable Sieve Diameters: 400 mm / 450 mm
    Max. Height of Sieve Stack: 830 mm
    Clamping Devices: “Standard” (two models, one for dry, one for wet sieving)
    Electrical Supply Data: Different Voltages
    Power Connection: 1-Phase
    W x H x D: 680 x 280 x 680 mm
    Net Weight: ~ 140 kg
    Standards: CE

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    The analytical sieve shaker AS 450 control is used in research & development, quality control of raw materials, interim and finished products as well as in production monitoring. The controllable electromagnetic drive offers an optimal adaption for every product. Sharp fractions are obtainable even after very short sieving times.

    With the sieve shaker AS 450 control RETSCH have designed their first sieve shaker for 400 mm and 450 mm sieves which operates with a three-dimensional sieving motion. It can be used for dry and wet sieving. The optimized electromagnetic drive technology allows for an amplitude up to 2.2 mm even with maximum loads up to 25 kg. This makes the AS 450 superior to all other known sieve shakers based on conventional electromagnetic or imbalance drives.

     

    Application Examples

    Cement Clinker, Chemicals, Coal, Coke, Construction Materials, Fillers, Minerals, Ores, Plastics, Sand, Soils, …

    Product Advantages

    • Suitable for dry and wet sieving
    • Excellent separation efficiency even with short sieving times
    • Efficient electromagnetic drive
    • 3-D throwing motion which ensures optimum use of the open sieve area and lets the sample move equally over the whole sieving surface
    • CET Technology for controlled amplitude even with high loads (up to 25 kg)
    • Up to 13 fractions in one sieving operation
    • Free digital adjustment of all process parameters (time, amplitude or sieve acceleration, interval)
    • Memory for up to 9 SOPs
    • Mobile operation panel for comfortable handling
    • Optional software EasySieve for control through RS232 serial interface, easy evaluation and documentation of results
    • Fulfils all criteria for measuring equipment related to ISO 9001
    • Maintenance-free
    • Easy operation (clamping), ergonomic design
    • Dry and wet sieving in one model

    Function Principle

    CET technology provides a substantially higher energy input than the technology used in conventional sieve shakers. The AS 450 control achieves the highest amplitude even with maximum load which ensures optimum separation efficiency and high reproducibility.

    The electromagnetic drive which lets the sieve stack vibrate continuously transfers its energy in a controlled way to the sieve plate, following the harmonic sinusoidal oscillation of alternating current.

    The drive produces a 3D throwing motion that moves the product to be sieved equally over the whole sieving surface. The advantage: high stress capacity, extremely smooth operation and short sieving times with high separation efficiency.

    Applications: Chemistry / Plastics, Construction Materials, Engineering / Electronics, Environment / Recycling, Geology / Metallurgy, Glass / Ceramics
    Feed Material: Powders, Bulk Materials, Suspensions
    Measuring Range: 25 µm – 125 mm
    Sieving Motion: Throwing motion with angular momentum – 3D movement
    Max. Batch / Feed Capacity: Column 2 Value 5
    Max. Number of Fractions: 13 / 9 (min. 3)
    Max. Mass of Sieve Stack: 50 kg
    Amplitude: Digital, 0.2 – > 2.2 mm
    Sieve Acceleration: 1 -> 7.1 g
    Time Display: Digital, 1 – 99 min
    Interval Operation: 10 – 99 s
    Storable SOPs: 9
    Suitable for Dry Sieving: Yes
    Suitable for Wet Sieving: Yes
    Serial Interface: Yes
    Suitable Sieve Diameters: 400 mm / 450 mm
    Max. Height of Sieve Stack: 963 mm
    Clamping Devices: “Standard”, “Comfort”, Each for wet and dry sieving
    Electrical Supply Data: Different Voltages
    Power Connection: 1-Phase
    W x H x D: 705 x 440 x 635 mm
    Net Weight: ~ 220 kg
    Standards: CE

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