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PULVERISETTE 7 premium line

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PULVERISETTE 7 premium line

code : PULVERISETTE 7

FRITSCH Planetary Ball Mills – high-performance all-rounder in routine laboratory work

The Planetary Micro Mill PULVERISETTE 7 premium line with 2 grinding stations is designed for a broad range of applications and ideally suited for loss-free grinding down to a final fineness of 100 nm of hard, medium-hard and brittle materials. Depending on the desired final fineness, the grinding can be performed dry, in suspension or in inert gas.
In addition to comminution, you can also use Planetary Mills for mixing and homogenising emulsions and pastes or for mechanical activation and alloying in materials research.

  • Rotational speed of main disk 100 – 1100 rpm, relative rotational speed of grinding bowls up to 2200 rpm
  • Absolutely safe operation – due to the revolutionary SelfLOCK, grinding bowls snap into place in the machine – without any additional clamping
  • Blocking of the mill in the event of impermissible operating states
  • Automatic shutoff function if an imbalance occurs
  • Prevention of impermissible grinding settings due to automatic detection of inserted grinding bowls and optimisation of rotation speed via RFID-Chip
  • Automatic parameter check before each grinding guarantees exact reproducibility
  • Added time savings and reliability due to fast bowl changes
  • Simultaneous comminution of up to 2 samples
  • Useful capacity of up to 2 x 30 ml
  • Ergonomically designed touchscreen features a particularly logical menu structure in 10 languages for easy, intuitive user navigation
  • Extensive accessories for simplifying your daily work

TECHNICAL DATA

Working principle impact force
Optimal for material type hard, medium-hard, brittle
Number of grinding stations 2
Grinding tools grinding bowls and grinding balls
Materials of the grinding tools agate, sintered corundum, silicon nitride, zirconium oxide, hardened stainless steel, hardmetal tungsten carbide
Grinding bowl sizes 20, 45, 80 ml
Grinding ball diameter 0.1 - 20 mm
Max. feed size (depends on material) 5 mm
Min. sample quantity 1 ml
Max. sample quantity 60 ml
Final fineness (depending on material) < 0.1 µm
Typical grinding time down to analytical fineness 3 min
Grinding process dry/wet
Grinding in inert gas yes
Gas pressure and temperature measurement yes
Rotational speed of main disk 100-1100 rpm
Transmission ratio planetary disk / grinding bowl i relative = 1 : -2
Effective diameter of main disk 140 mm
Centrifugal acceleration (g = 9.81 m/s²) 95 g
Interfaces USB
Electrical details 100-120 V / 200-240 V/1~, 50-60 Hz, 1200 Watt
voltage, indicated by customer is set
Emission sound pressure level at the workplace according to DIN EN ISO 3746 (depending on the material to be ground, grinding bowls/balls, selected rotational speed) LpAd = 80 dB
Weight 44 kg
Dimensions (W x D x H) bench top instrument 40 x 58 x 36 cm

In the operating manual, under DOWNLOADS, you find the appropriate rotor speed limits for grinding ball-diameters and grinding bowls made of agate.

Accessories PULVERISETTE 7 premium line

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