MKM-RH1P Rectangular Single-Mode Microwave Micro-Reactor
| Brand | Makewave |
|---|---|
| Origin | Shandong, China |
| Manufacturer | Makewave Co., Ltd. |
| Model | MKM-RH1P |
| Temperature Range | 0–1500 °C |
| Microwave Power | 0–500 W (2450 MHz, continuous non-pulsed output) |
| Reaction Volume | 1–10 mL |
| Cavity Volume | ~150 mL |
| Safety Leakage | <5 mW/cm² |
| Power Supply | 220 V AC / 50 Hz |
| Dimensions (W×H×D) | 500×400×400 mm |
| Weight | 50 kg |
| Compliance | ISO 9001 certified |
Overview
The MKM-RH1P Rectangular Single-Mode Microwave Micro-Reactor is an engineered platform for precision-controlled, high-energy microwave-assisted synthesis under tightly defined thermal and field conditions. Unlike multimode cavity systems, it employs a rectangular single-mode waveguide architecture operating at the fundamental TE10 mode at 2450 MHz, enabling precise spatial confinement and axial electric field orientation. This design delivers a focused, standing-wave electric field distribution—maximizing energy density at the sample position while minimizing thermal gradients and parasitic losses. The system is optimized for microscale reaction volumes (1–10 mL), supporting rapid heating kinetics (up to 1500 °C), controlled pressure environments (via optional sealed tube or flow-through configurations), and reproducible field–matter interaction critical for mechanistic studies in synthetic chemistry, materials science, and catalysis.
Key Features
- Rectangular TE10 single-mode cavity (~150 mL internal volume) with central field focusing—ensuring >85% microwave energy coupling efficiency at the sample zone
- Multi-point temperature monitoring: integrated infrared pyrometer (bottom-surface measurement) + optional fiber-optic probe (in situ core temperature tracking)
- Micro-reaction capability: compatible with 1–10 mL quartz or ceramic insert tubes; supports both batch and continuous-flow microreactor configurations
- Continuous, non-pulsed microwave power control (0–500 W) with real-time feedback regulation—enabling precise ramp/hold profiles and kinetic stabilization
- PLC-based control architecture with 7-inch industrial touchscreen HMI: stores up to 99 programmable protocols with independent time–temperature–power setpoints
- Comprehensive safety interlock system: dual-door mechanical/electrical cutoffs, waveguide choke termination, and real-time leakage monitoring (<5 mW/cm² per IEC 61000-4-3 and GB 10436)
Sample Compatibility & Compliance
The MKM-RH1P accommodates heterogeneous reaction media—including solid catalysts, liquid precursors, and gaseous reagents—within chemically inert, microwave-transparent vessels (e.g., quartz, SiC, or borosilicate glass). Its modular design permits integration with gas manifolds, vacuum lines, and syringe pump interfaces for triphasic (gas–liquid–solid) operation. All electronic subsystems comply with CE electromagnetic compatibility (EMC) directives. The unit is ISO 9001:2015 certified for design, manufacturing, and quality assurance processes. While not FDA 21 CFR Part 11–compliant out-of-the-box, audit-ready data logging (timestamped temperature/power curves, protocol execution logs) can be configured for GLP/GMP-aligned workflows upon request.
Software & Data Management
The embedded control firmware records all operational parameters—including real-time temperature, applied power, elapsed time, and program step status—at user-defined intervals (100 ms to 10 s resolution). Data export is supported via USB 2.0 to CSV format for post-processing in MATLAB, Origin, or Excel. No proprietary software installation is required. Optional Ethernet connectivity enables remote monitoring via Modbus TCP or OPC UA protocols for lab-wide integration into LIMS or SCADA environments. All stored protocols include metadata (operator ID, date/time stamp, version number) to support traceability requirements under ISO/IEC 17025.
Applications
- Rapid screening of catalyst performance in C–C coupling, oxidation, and reduction reactions
- High-temperature solid-state synthesis of metal oxides, perovskites, and MOFs with sub-minute ramp rates
- Microscale hydrothermal and solvothermal crystallization under controlled vapor-phase environments
- Thermal degradation kinetics studies of polymers and pharmaceutical intermediates
- On-demand generation of reactive intermediates (e.g., carbenes, nitrenes) via flash microwave thermolysis
- Method development for USP and ASTM E2915-compliant thermal stability assessment
FAQ
What distinguishes single-mode from multimode microwave reactors?**
Single-mode systems deliver spatially coherent, high-field-intensity microwave energy at a defined resonance frequency, enabling deterministic energy deposition and superior reproducibility in microvolume reactions. Multimode cavities rely on statistical field distribution and are less suitable for quantitative kinetic studies.
Can the MKM-RH1P operate under pressurized conditions?**
Yes—when used with sealed quartz or Hastelloy reaction tubes rated for ≤20 bar, and optionally interfaced with pressure transducers and relief valves. Continuous-flow operation requires external back-pressure regulators.
Is fiber-optic temperature sensing included as standard?**
No—it is available as a factory-installed option. Standard configuration uses calibrated IR pyrometry for non-contact surface temperature measurement.
Does the system support automated gas dosing?**
Not natively, but the reactor chamber includes standardized 6-mm Swagelok ports for integration with mass flow controllers, gas chromatography inlets, or vacuum pumps using third-party accessories.
What is the minimum detectable temperature resolution?**
The IR sensor provides ±1 °C accuracy from 100–1500 °C; fiber-optic probes achieve ±0.5 °C resolution from –50 to 300 °C.
How is calibration traceability maintained?**
All temperature sensors are calibrated against NIST-traceable blackbody sources prior to shipment. Calibration certificates and uncertainty budgets are supplied with each unit.
