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| Company | RETSCH | RETSCH | RETSCH | RETSCH |
| Item | Knife Mill GRINDOMIX GM 300 | Cutting Mill SM 50 | Ultra Centrifugal Mill ZM 300 | Vibratory Disc Mill RS 200 |
| Citations | | | | |
| Catalog Number | GM 300 | SM 50 | ZM 300 | RS 200 |
| Price | | | | |
| Description | The new knife mill GRINDOMIX GM 300 is the ideal instrument for the grinding and homogenization of foodstuffs. It allows to process sample volumes up to 4.5 liters quickly and reproducibly.
With four sharp, robust blades and a powerful motor which can reach temporary peaks of 3 kW, it is ideal for The new knife mill GRINDOMIX GM 300 is the ideal instrument for the grinding and homogenization of foodstuffs. It allows to process sample volumes up to 4.5 liters quickly and reproducibly.
With four sharp, robust blades and a powerful motor which can reach temporary peaks of 3 kW, it is ideal for homogenizing substances with a high water, oil or fat content as well as for grinding dry, soft and medium-hard products. The GRINDOMIX GM 300 meets and exceeds all special laboratory and analytical requirements and is a professional device superior to any commercial household mixer.
Features - Efficient size reduction of up to 4,500 ml feed quantity due to a powerful 1.1 kW motor (peak power input >3 kW)
- Pre- and fine-grinding in one mill: cutting action in regular mode, grinding by impact in reverse mode, pre-grinding in interval mode
- All parts which come into contact with the sample material are autoclavable
- Perfect adaptation to application requirements by variable speed from 500 to 4,000 min-1 with an increment of 100 min-1
- Optional gravitation lid for automatic reduction of the grinding chamber volume
- 10 SOPs can be stored
- Grinding jar in plastic and stainless steel available
... Read More | The SM 50 is the world's most powerful benchtop cutting mill with a standard one phase power plug. Its 1.5 kW motor drives a large rotor, delivering impressive high-speed cutting power. The max. speed is 4,000 rpm and can be adjusted to suit various applications. The EasyInspect hopper operates on aThe SM 50 is the world's most powerful benchtop cutting mill with a standard one phase power plug. Its 1.5 kW motor drives a large rotor, delivering impressive high-speed cutting power. The max. speed is 4,000 rpm and can be adjusted to suit various applications. The EasyInspect hopper operates on a batch-wise feeding system and can process large sample pieces up to 50 mm with ease. The compact powerhouse features an internal cyclone system, ensuring effortless and efficient processing of various materials. The push-fit grinding chamber is the first in the world which can be taken out for proper cleaning. With its innovative design featuring a removable milling chamber, the SM 50 simplifies cleaning, saving up to 30 % process time. At the same time, the unrivaled powerful benchtop cutting mill with a single phase power plug allows up to 100 % sample recovery and contamination-free sample preparation.
- pulverization of samples down to 250 micron
- integrated cyclone technology
- easy cleaning thanks to push fit accessories including the grinding chamber
- for samples up to 50 mm
- less surfaces-less dust
- Superior cutting speed of 27 m/s.
- 3 double acting cutting bars result in 18 cutting events per round and a specific cutting length of 864 mm per round for superior cutting efficiency.
- Comprehensive and convenient door opening mechanisms with a pivoting handle
- 9 different sieve sizes from 10 mm down to 0.25 mm for standard application or for grinding without heavy-metal contamination
two different rotor types
... Read More | The Ultra Centrifugal Mill ZM 300 is a high speed rotor mill with unmatched performance. It is used for the rapid size reduction of soft to medium-hard and fibrous materials.
Because of the efficient size reduction technique the ZM 300 ensures the gentle preparation of analytical samples in a very The Ultra Centrifugal Mill ZM 300 is a high speed rotor mill with unmatched performance. It is used for the rapid size reduction of soft to medium-hard and fibrous materials.
Because of the efficient size reduction technique the ZM 300 ensures the gentle preparation of analytical samples in a very short time. The comprehensive range of accessories including a large variety of ring sieves and rotors as well as collection systems makes the Ultra Centrifugal Mill a versatile instrument that can be easily adapted to varying applications. The optional Vibratory Feeder is load-controlled via an interface and ensures a uniform grind at maximum output rate. With thousands of installations, the ZM 300 has become a standard for food and feeds, for the chemical industry as well as for agricultural testing.
Features - Powerdrive with optimally matched frequency converter and 3-phase motor
- Comfortable parameter setting via touch- display and ergonomic 1-button operation
- operational speed up to 23,000 rpm
- temperature indication and load indication
- Wide range of accessories including various collection and feeding systems, rotors and sieves
- Gentle and very rapid size reduction by pre- and fine grinding in one run
- Wide speed range
- Patented cassette system for maximum sample recovery and easy cleaning, special 600 ml cassette available
- Easily exchangeable grinding and sieve inserts
- Defined final fineness due to ring sieves sieves with aperture sizes from 0.08 - 10 mm
- Comfortable safety housing with automatic cover closure
- Motor compartment and electronics protected against dust and material penetration
... Read More | The Vibratory Disc Mill RS 200 is suitable for the extremely quick, loss-free and reproducible grinding of medium-hard, brittle and fibrous materials to analytical fineness. The instrument runs steadily and smoothly, even with heavy grinding sets, at maximum speed thanks to the new Stabilized-Plane-The Vibratory Disc Mill RS 200 is suitable for the extremely quick, loss-free and reproducible grinding of medium-hard, brittle and fibrous materials to analytical fineness. The instrument runs steadily and smoothly, even with heavy grinding sets, at maximum speed thanks to the new Stabilized-Plane-Drive.
With its robust design, the RS 200 has proven to be ideal for use in the building materials sector (cement), in geology, mineralogy, metallurgy and in power plants. Due to the high end fineness and speed the RS 200 is the perfect mill when it comes to preparing samples for spectral analysis.
Features - Reproducible results due to "Stabilized-Plane-Drive" (avoid tumbling of the grinding set)
- Safety interlock
- Variable speed 700 - 1,500 min-1
- Extremely short grinding time
- Agate recognition for automatic speed reduction
- 10 SOPs can be stored
- No sample loss thanks to optimum o-ring seal
- Wide range of materials for contamination free grinding
- Noise-insulated grinding chamber
- Quick-action grinding set clamping device
... Read More |
| Principle | Cutting | Cutting and Shearing | Impact and Shearing | Pressure and Friction |
| Sample Size | ~ 130 mm | < 50 mm | < 10 mm | <15 mm |
| Sample Type | Soft, Medium-Hard, Elastic, Containing Water/Fat/Oil, Dry or Fibrous | Soft, Medium-Hard, Fibrous | Soft, Medium-Hard, Brittle or Fibrous | Medium-Hard, Hard, Brittle or Fibrous |
| Applications | Size Reduction, Homogenization and Mixing: Agriculture, Biology, Food, Medicine / Pharmaceuticals | agriculture, chemicals / plastics, construction materials, electronics, environmental / recyling, food / feed, pharma / biotech / medtech, power generation / energy | Inquire | Size Reduction, Mixing and Triturating: Construction Materials, Environment / Recycling, Geology / Metallurgy, Glass / Ceramics |
| Speed | 500 to 4000 min-1 | 500 to 6,000 min-1 | 6,000 to 23,000 min-1 | 700 to 1500 min-1 |
| Rotor Type | Stainless steel knife, knife with titanium-niob coating | parallel section rotor / 3-disc rotor, 0.25-10 mm sieves | 6, 12 or 24 tooth rotor, titanium for heavy-metal free grinding or tungsten carbide coated for abrasive materials available | grinding dish with disc (and ring) |
| Final Fineness | < 300 um | < 0.25 mm | < 40 µm | < 40 um |
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