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FRITSCH PULVERISETTE™ 7 Premium Planetary Micro Mill
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Instrument without grinding bowls and balls
Includes SelfLOCK clamping system
Voltage: 200-240 V/1~, 50-60 Hz, 1,200 watts
Specifications:
| Application | Analytical Chemistry, Milling & Particle Sizing | Warranty | 1 Year |
| Max Speed | 2200 RPM | ||
| Storage Temperature | Ambient | ||
| Product Type | Planetary Ball Mills | ||
| Product Brand | FRITSCH GmbH | ||
| Product Grade | Analytical grade | ||
The FRITSCH PULVERISETTE™ 7 premium line is a high-performance planetary micro mill engineered for ultra-fine grinding, mixing, and advanced materials processing in modern laboratories. Designed for precision and speed, this compact benchtop system delivers exceptionally high energy input through centrifugal accelerations of up to 95 g, enabling rapid particle size reduction down to the nano range (< 0.05 µm).
With two grinding stations, advanced automation features, and robust safety mechanisms, the PULVERISETTE™ 7 ensures reproducible, contamination-controlled results for demanding applications across research, quality control, and industrial laboratories.
Key Features
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Ultra-Fine Grinding Performance
Achieves particle sizes down to < 0.05 µm with high-energy impact and friction forces. -
High-Speed Operation
Main disk speed up to 1100 rpm and grinding bowl speeds up to 2200 rpm. -
Dual Grinding Stations
Simultaneous processing of up to two samples for improved productivity. -
SelfLOCK Clamping System
Tool-free, fast, and secure installation of grinding bowls with minimal operator intervention. -
RFID-Based Intelligent Control
Automatic detection of grinding bowls with optimized speed settings and parameter validation. -
Advanced Safety System
Includes imbalance detection, automatic shutdown, and prevention of incorrect operation. -
Flexible Grinding Modes
Supports dry, wet, and inert gas grinding for a wide range of sample types. -
User-Friendly Touchscreen Interface
Intuitive operation with multilingual support for efficient workflow management. -
Process Monitoring Capability
Compatible with MillControl and EASY GTM for real-time monitoring of temperature and pressure.
Applications
The PULVERISETTE™ 7 premium line is ideally suited for:
- Nanomaterials and advanced materials research
- Mechanical alloying and activation
- Sample preparation for analytical testing
- Pharmaceuticals and biotechnology
- Geology and mineralogy
- Ceramics and metallurgy
- Chemical and environmental laboratories
Working Principle
The system operates on the planetary grinding principle, where grinding bowls rotate on their own axis while simultaneously revolving in the opposite direction on a main disk. This generates extremely high centrifugal forces, causing grinding balls and sample material to collide at high speeds, producing rapid and efficient size reduction through impact and friction.
Technical Specifications
| Parameter | Specification |
|---|---|
| Working Principle | Impact force (planetary motion) |
| Number of Grinding Stations | 2 |
| Grinding Bowl Sizes | 20 mL, 45 mL, 80 mL |
| Sample Quantity | 1 – 60 mL |
| Max. Feed Size | Up to 5 mm (material dependent) |
| Final Fineness | < 0.05 µm |
| Typical Grinding Time | ~3 minutes |
| Grinding Modes | Dry / Wet / Inert Gas |
| Max. Bowl Speed | 2200 rpm |
| Main Disk Speed | 150 – 1100 rpm |
| Centrifugal Acceleration | Up to 95 g |
| Transmission Ratio | 1 : –2 |
| Power Supply | 100–120 V / 200–240 V, 50–60 Hz |
| Power Consumption | 1200 W |
| Noise Level | ~80 dB |
| Weight | 44 kg |
| Dimensions (W × D × H) | 40 × 58 × 36 cm |
Grinding Tool Materials
To ensure optimal performance and prevent contamination, grinding bowls and balls are available in:
- Agate
- Sintered corundum
- Silicon nitride
- Zirconium oxide
- Hardened stainless steel
- Tungsten carbide
Unique Advantages
- Extremely high energy input for faster grinding times
- Nano-scale fineness achievable in minutes
- Intelligent automation ensures process reproducibility
- SelfLOCK system improves ease of use and safety
- Wide material compatibility for diverse laboratory applications
- Expandable into a process monitoring system with EASY GTM
The FRITSCH PULVERISETTE™ 7 Premium Planetary Micro Mill is a benchmark solution for laboratories requiring high-speed, high-precision grinding in a compact footprint. Its combination of ultra-high energy performance, intelligent control systems, and flexible application capabilities makes it an indispensable tool for advanced research, nanotechnology, and quality-driven laboratory workflows.