Ultra Centrifugal Mill ZM 200

Ultra Centrifugal Mill ZM 200

The Ultra Centrifugal Mill ZM 200 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 200 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. When using a cyclone, the sample material is additionally cooled by the air stream and more rapidly discharged from the grinding chamber via the cassette pan with outlet. This effect can be increased by connecting a vacuum cleaner.

With thousands of installations, the ZM 200 has become a standard for food and feeds, for the chemical industry as well as for agricultural testing


  • Powerdrive with optimally matched frequency converter and 3-phase motor
  • 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
  • easily exchangeable grinding and sieve inserts
  • defined final fineness due to ring 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
  • comfortable parameter setting via display and ergonomic 1-button operation
  • wide range of accessories including various collection and feeding systems, rotors and sieves



Applications                                                    fine grinding

Field of application                                         agriculture, biology, chemistry / plastics, construction materials, engineering / electronics,                                                                             environment / recycling, food, geology / metallurgy, medicine / pharmaceuticals

Feed material                                                  soft, medium-hard, brittle, fibrous

Size reduction principle                                  impact, shearing

Material feed size*                                          < 10 mm

Final fineness*                                                < 40 μm

Batch size / feed quantity*                              300 ml with standard cassette 20 ml with mini-cassette 1000 ml with paper filter bag 4500                                                                            ml / 2500 ml / 450 ml / 230 ml with cyclone

Speed at 50 Hz (60 Hz)                                  6,000 - 18,000 min-1, free selectable

Rotor peripheral speed                                   31 - 93 m/s

Rotor diameter                                                99 mm

Types of rotors                                                6-tooth rotor / 12-tooth rotor /

24-tooth rotor / 8-tooth mini-rotor

Material of grinding tools                                stainless steel, titanium, steel 1.4404, stainless steel with wear-resistant coating

Sieve sizes                                                     trapezoid holes 0.08 / 0.12 / 0.20 / 0.25 / 0.50 / 0.75 / 1.00 / 1.50 / 2.00 mm round holes                                                                               3.00 / 4.00 / 5.00 / 6.00 / 10.00 mm

Setting of grinding time                                   -

Collector capacity                                           900 ml with standard cassette 50 ml with mini-cassette 3000 ml with paper filter bag 5000                                                                            ml / 3000 ml / 500 ml / 250 ml with cyclone

Drive                                                               3-phase asynchronous motor with frequency converter

Electrical supply data                                     different voltages

Power connection                                           1-phase

Protection code                                               IP 20

Power consumption                                        1300 W

W x H x D closed                                            410 x 515 x 365 mm

Net weight                                                       ~ 38 kg

Standards                                                       CE

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