MakeWave MKX-M2AF Microwave-Assisted Atmosphere Muffle Furnace
| Brand | MakeWave |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | MKX-M2AF |
| Instrument Type | Box-Type Furnace |
| Max Temperature | 1200°C |
| Temperature Control Accuracy | ±1°C |
| Max Power Consumption | 3000 W |
| Time to Max Temperature | ~30 min |
| Heating Method | Microwave Energy |
| Internal Chamber Dimensions | 160 × 160 × 160 mm (≈4 L) |
| Temperature Measurement | Infrared Pyrometry (Thermocouple Optional) |
Overview
The MakeWave MKX-M2AF is a purpose-engineered microwave-assisted atmosphere muffle furnace designed for high-precision thermal processing under controlled gaseous environments. Unlike conventional resistive-heated furnaces, the MKX-M2AF utilizes continuous, non-pulsed 2450 MHz microwave energy (rated at 1600 W) to induce volumetric heating within samples and crucibles—enabling rapid, uniform thermal response with minimal thermal lag. Its sealed, pressurized chamber supports both oxidative and inert/reducing atmospheres (e.g., air, N₂, Ar, H₂/N₂ mixtures), making it suitable for applications requiring strict atmospheric control—including ashing, calcination, sintering, thermal decomposition, and fusion sample preparation. Engineered for laboratory-scale reproducibility, the system integrates closed-loop temperature and power regulation, real-time pyrometric monitoring, and structural compliance with international safety standards for microwave containment.
Key Features
- Integrated microwave heating architecture delivering rapid, energy-efficient heating—reaching 1200°C in approximately 30 minutes with <±1°C temperature stability across the 4 L working volume (160 × 160 × 160 mm).
- Hermetically sealed 304 stainless steel cavity with λ/4 choke joint design and dual interlock door mechanism, ensuring microwave leakage <5 mW/cm² (exceeding IEC 61000-3-2 and GB 4706.21 requirements).
- Multi-layer insulation system incorporating low-dielectric-loss ceramic fiber composites (thermal conductivity ≈0.226 W/m·K), minimizing radial heat loss and enhancing thermal efficiency.
- Programmable PLC-based control interface with 7-inch capacitive touchscreen, supporting up to 20 customizable thermal profiles with time–temperature–power logging, curve visualization, and USB data export.
- Optional multi-gas mixing module (up to 3 independent mass flow controllers) enables precise partial pressure control for complex redox or carburizing/nitriding protocols.
- Standard 150 mm square high-purity alumina crucible platform compatible with Pt, SiC, and graphite crucibles; configurable for parallel multi-sample processing.
Sample Compatibility & Compliance
The MKX-M2AF accommodates standard laboratory crucibles (including ASTM E1984-compliant silica, alumina, and platinum vessels) and supports heterogeneous sample geometries—from powders and pellets to thin films and small metallic components. Its fully enclosed, micro-positive pressure atmosphere system complies with ISO 8573-1 (compressed air purity) when integrated with certified gas purification units. The furnace meets GLP documentation requirements through audit-trail-capable data logging (time-stamped temperature/power readings), and optional 21 CFR Part 11-compliant software modules are available for regulated QC/QA environments. Safety certification includes CE marking (EMC & LVD directives), RoHS compliance, and adherence to EN 61000-6-3 for industrial electromagnetic emissions.
Software & Data Management
The embedded control firmware provides real-time graphical display of temperature ramping, hold segments, and microwave power modulation. All operational parameters—including setpoints, actual readings, alarm events, and door status—are timestamped and stored internally (≥10,000 records) with export capability via USB 2.0 to CSV or Excel-compatible formats. Remote monitoring is supported via optional Ethernet/Wi-Fi interface (Modbus TCP or OPC UA protocol), enabling integration into centralized LIMS or MES platforms. Firmware updates are performed via secure OTA channels with SHA-256 signature verification to ensure integrity and traceability.
Applications
- Routine ash content determination per AOAC 942.05, ASTM D3174, and ISO 1171 in coal, biomass, food, and pharmaceutical matrices.
- Controlled-atmosphere sintering of oxide ceramics (e.g., ZnO, TiO₂) and battery cathode precursors (LiCoO₂, NMC) with minimized grain growth.
- Thermal gravimetric analysis (TGA) pre-treatment stages where rapid, uniform heating reduces time-dependent phase segregation.
- Pre-concentration of trace metals in environmental samples prior to ICP-MS or AAS quantification.
- High-temperature activation of catalysts (e.g., Ni/Al₂O₃, Pt/C) under reducing H₂/N₂ atmospheres.
FAQ
What temperature measurement methods are supported?
Infrared pyrometry is standard for non-contact surface temperature monitoring; Type S or K thermocouples can be integrated upon request for direct crucible or sample contact sensing.
Can the furnace operate under vacuum?
No—the MKX-M2AF is engineered for positive-pressure atmosphere control only; vacuum operation requires alternative furnace designs with reinforced flanges and vacuum-rated seals.
Is microwave-specific maintenance required?
Yes—periodic inspection of waveguide integrity, door seal compression, and magnetron cooling airflow is recommended every 500 operating hours per IEC 60705 guidelines.
How is process repeatability ensured across multiple runs?
Through closed-loop PID regulation of both microwave power output and infrared-derived temperature feedback, combined with automated thermal soak compensation algorithms.
Does the system support regulatory audit trails for GMP labs?
Yes—when configured with the optional Part 11 software package, it delivers electronic signatures, user access levels, change logs, and immutable record retention compliant with FDA and EU Annex 11 requirements.
