Crushing & Grinding Machine
Laboratory Micro Pulverizer High Speed Dry Sample Grinding Machine Benchtop Lab Pulverizer Mill
Item Number : KT-WXA
Price varies based on specs and customizations
- Output Fineness
- 40 - 200 Mesh (80-150 Mesh Typical)
- Rotational Speed
- Up to 28,000 RPM
- Processing Capacity
- 80g - 2000g per batch
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Product Overview


This high-speed laboratory micro pulverizer is engineered specifically for rapid, uniform size reduction of dry bulk materials within analytical and research environments. Driven by a high-torque, high-speed electric motor, this unit converts coarse, lumpy dry samples into uniform fine powders ranging from 80 to 150 mesh within just 30 seconds to 5 minutes. The system eliminates reliance on external toll-milling services, drastically cutting down turnaround times for preliminary testing while dramatically reducing material waste during internal pilot runs.
Designed for versatility across multiple laboratory sectors, this equipment serves pharmaceutical development labs, chemical synthesis plants, agricultural testing facilities, food technology centers, and geology institutes. It efficiently processes a broad spectrum of dry raw materials, botanical samples, mineral chunks, synthetic compounds, and tablet formulations. Its space-saving benchtop architecture fits seamlessly into limited laboratory spaces, functioning both as a high-efficiency processing station and an aesthetically practical addition to workbenches.
Built to endure continuous industrial and analytical workloads, the pulverizer features high-grade contact materials, a reinforced milling chamber, and reliable electrical safety interlocks. Its energy-efficient motor assembly ensures low power consumption while maintaining exceptional rotational speeds up to 28,000 RPM. Routine operation is simple and intuitive, offering repeatable fineness results, hassle-free cleanup between batches, and long-term mechanical reliability under demanding operational schedules.
Key Features
- Ultra-Fast Processing Motor: High-torque motor architecture drives cutter assemblies at rotational speeds up to 28,000 RPM, completing tough dry-sample pulverization cycles within 0.5 to 5 minutes.
- Precision Grain Size Uniformity: Achieves fine powder outputs ranging from 40 to 200 mesh (typically 80 to 150 mesh for standard dry aggregates), providing ideal sample homogeny for subsequent analytical testing.
- Compact Benchtop Footprint: Ergonomically scaled for minimal bench space occupation, allowing immediate integration into standard laboratory workstations without sacrificing workflow efficiency.
- Sealed Heavy-Duty Chamber: Precision-engineered crushing chamber prevents dust leakage during high-velocity rotation, preserving sample purity and keeping the surrounding working environment clean.
- Simplified Operation Sequence: Designed with a user-friendly manual lock and timing interface, allowing laboratory technicians to secure the chamber, set target run times, and initiate automated grinding with minimal training.
- Energy-Efficient Drive System: Optimized electrical architecture delivers maximum torque efficiency across all power ratings (200W to 2200W), reducing energy consumption during high-throughput preparation cycles.
- Streamlined Cleaning & Maintenance: Smooth internal chamber walls and accessible blade positioning facilitate quick, complete powder discharge and simple cleaning procedures between consecutive test batches.
- Integrated Operational Safety: Built with secure cover interlocks and stable base geometry to absorb rotational vibrations, ensuring operator safety and unit stability throughout peak-speed grinding runs.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Pharmaceutical Formulations | Rapid milling of active pharmaceutical ingredients (APIs), excipients, and compressed tablets into micro-fine powders for assay testing and dissolution studies. | Ensures homogeneous sample mixing with zero cross-contamination risks and minimal material loss. |
| Chemical Sample Preparation | Pulverizing raw chemical crystalline compounds, synthetic resins, and dry catalysts prior to XRF, FTIR, or mass spectrometry analysis. | Reduces particle size to under 200 mesh rapidly, accelerating chemical digestion and analytical response times. |
| Agricultural & Botanical Research | Processing dried plant tissue, grain kernels, seeds, and soil samples for nutrient analysis, moisture content evaluation, and pesticide residue testing. | Fast 0.5 to 5-minute cycle time prevents thermal degradation of heat-sensitive organic target compounds. |
| Food Quality Control | Grinding dehydrated food products, spices, freeze-dried extracts, and agricultural produce into consistent powders for nutritional labeling and quality control. | Maintains strict sample cleanliness while delivering predictable particle size distributions. |
| Geological & Mining Assays | Crushing small mineral rock chips, dried clay, and non-metallic ore samples into fine powders suitable for elemental assaying and spectrographic analysis. | High-speed rotation easily handles tough, brittle mineral aggregates without motor stall. |
| Polymer & Advanced Materials | Pulverizing dry polymer pellets, composite powders, and ceramic precursors for laboratory-scale compounding trials and material testing. | Avoids outsourcing sample prep, enabling rapid iterative testing and reduced development costs. |
Technical Specifications
| Model Identifier | Power (W) | Speed (RPM) | Max Batch Capacity (g) | Chamber Dimensions (Dia x H mm) | Overall Dimensions (Dia x H mm) | Voltage | Output Fineness (Mesh) |
|---|---|---|---|---|---|---|---|
| KT-WXA-80 | 200 W | 10,000 RPM | ≤ 80 g | Φ 80 x 40 mm | Φ 110 x 210 mm | AC 220V 50Hz | 40–200 Mesh |
| KT-WXA-100 | 650 W | 25,000 RPM | ≤ 100 g | Φ 100 x 40 mm | Φ 160 x 320 mm | AC 220V 50Hz | 40–200 Mesh |
| KT-WXA-200 | 1200 W | 28,000 RPM | ≤ 200 g | Φ 125 x 56 mm | Φ 170 x 300 mm | AC 220V 50Hz | 40–200 Mesh |
| KT-WXA-300 | 1500 W | 28,000 RPM | ≤ 300 g | Φ 140 x 57 mm | Φ 170 x 300 mm | AC 220V 50Hz | 40–200 Mesh |
| KT-WXA-400 | 1650 W | 28,000 RPM | ≤ 400 g | Φ 160 x 60 mm | Φ 160 x 800 mm | AC 220V 50Hz | 40–200 Mesh |
| KT-WXA-500 | 1800 W | 28,000 RPM | ≤ 500 g | Φ 175 x 90 mm | Φ 175 x 1200 mm | AC 220V 50Hz | 40–200 Mesh |
| KT-WXA-800 | 1900 W | 28,000 RPM | ≤ 800 g | Φ 190 x 90 mm | Φ 175 x 1200 mm | AC 220V 50Hz | 40–200 Mesh |
| KT-WXA-1000 | 2000 W | 25,000 RPM | ≤ 1000 g | Φ 210 x 90 mm | Φ 210 x 1100 mm | AC 220V 50Hz | 40–200 Mesh |
| KT-WXA-1500 | 2100 W | 25,000 RPM | ≤ 1500 g | Φ 240 x 100 mm | Φ 240 x 1300 mm | AC 220V 50Hz | 40–200 Mesh |
| KT-WXA-2000 | 2200 W | 25,000 RPM | ≤ 2000 g | Φ 240 x 100 mm | Φ 240 x 1300 mm | AC 220V 50Hz | 40–200 Mesh |
Operational Guidelines
- Ensure the main power switch is turned off prior to loading or inspecting the chamber.
- Open the upper cover by rotating counterclockwise (rotate clockwise to close and seal tight).
- Place the dry sample material evenly into the crushing chamber.
- Close the top cover tightly and secure the locking latch.
- Connect the power supply and activate the integrated timer switch.
- Monitor the operational sound; when the tumbling noise becomes smooth and uniform, pulverization is complete.
- Turn off the system, open the top cover, and collect the processed powder.
Why Choose This Product
- In-House Testing Autonomy: Eliminates reliance on external toll-grinding services, reducing sample turnaround times from days to minutes while minimizing sample waste during preliminary testing.
- Versatile Scale Configurations: Offered in ten distinct capacity variants derived from the KT-WXA engineering platform, catering to batch capacities from small 80g research samples up to 2000g production runs.
- Precision High-Speed Milling: Advanced motor architecture ensures consistent, repeatable particle size reduction down to 200 mesh without thermal sample degradation.
- Minimal Sample Loss & Waste: The tightly sealed grinding chamber prevents powder escape, maximizing yield for precious active ingredients or scarce chemical compounds.
- Durable Industrial Build Quality: Built with heavy-duty components designed to sustain high-frequency daily operation, providing operational consistency and long service life.
Contact our technical sales team today to request a quote or discuss customized sample preparation equipment tailored to your laboratory requirements.
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Product Datasheet
Laboratory Micro Pulverizer High Speed Dry Sample Grinding Machine Benchtop Lab Pulverizer Mill
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