MICHEM TM-Series 1200°C Ceramic Fiber Muffle Furnace
| Brand | MICHEM |
|---|---|
| Origin | Beijing, China |
| Model | TM-Series 1200 |
| Type | Box-Type Muffle Furnace |
| Max Temperature | 1200°C |
| Temperature Control Accuracy | ±1°C |
| Power Rating | 2 kW (6 L) / 3 kW (9 L) / 5 kW (20 L) / 6 kW (30 L) |
| Heating Rate to Max Temp | 40 min (6 L & 9 L) / 50 min (20 L) / 60 min (30 L) |
| Heating Element | HRE High-Temperature Alloy |
| Internal Chamber Dimensions | 6 L (200 × 250 × 120 mm) / 9 L (200 × 300 × 150 mm) / 20 L (250 × 400 × 200 mm) / 30 L (300 × 400 × 250 mm) |
| External Dimensions & Weight | See model-specific specs in datasheet |
| Voltage Supply | 220 V AC / 16 A (6 L & 9 L) |
| Thermocouple Type | S-type (for 1200°C models) |
Overview
The MICHEM TM-Series 1200°C Ceramic Fiber Muffle Furnace is a precision-engineered box-type laboratory furnace designed for high-temperature thermal processing applications requiring stable, uniform, and repeatable heating up to 1200°C. Utilizing low-density, high-purity ceramic fiber insulation and HRE (High Resistance Element) alloy heating elements, this furnace achieves rapid thermal response, minimal thermal mass, and exceptional energy efficiency. Its muffle design isolates the sample chamber from combustion gases and external contaminants—making it suitable for ashing, calcination, sintering, annealing, and other dry-heat sample preparation protocols in analytical chemistry, materials science, metallurgy, and quality control laboratories. The furnace complies with standard thermal processing workflows defined under ISO 5667-16 (water quality sampling), ASTM E1110 (ash content determination), and USP (heavy metals testing), supporting GLP-compliant documentation when integrated with validated temperature mapping and data logging procedures.
Key Features
- Rapid heating performance: Achieves 1200°C in ≤40 minutes for 6 L and 9 L models; ≤50–60 minutes for larger chambers—optimized via minimized thermal inertia and efficient radiant heat transfer.
- High-precision temperature control: ±1°C accuracy across full operating range, enabled by PID-based digital controllers with 30-segment programmable ramp-soak profiles and slope-adjustable heating/cooling rates.
- Lightweight, thermally efficient construction: Ceramic fiber insulation (≥130 mm thickness in larger models) ensures surface temperatures remain below 60°C during 1200°C operation—reducing ambient heat load and improving lab safety.
- Robust thermal stability: Temperature deviation <±2°C over 2-hour dwell at maximum setpoint, verified per IEC 60068-2-2 (dry heat testing) methodology.
- Safety-integrated design: Automatic power cutoff upon door opening; over-temperature cutout protection; grounded chassis and reinforced ceramic fiber seals prevent thermal leakage.
- Flexible power compatibility: Dual-voltage support—220 V AC / 16 A for benchtop 6 L and 9 L units; 380 V AC / 16 A three-phase supply for industrial-scale 20 L and 30 L configurations.
Sample Compatibility & Compliance
The TM-Series accommodates crucibles, boats, and trays made of alumina, silicon carbide, platinum, or quartz—compatible with both oxidizing and inert atmospheres (when used with optional purge fittings). It supports standardized sample volumes per ASTM C114 (cement analysis), ISO 1171 (ash content in coal), and EN 15407-1 (biomass ash characterization). All models are CE-marked and meet IEC 61000-6-3 (EMC emission limits) and IEC 61000-6-2 (immunity requirements). For regulated environments, the furnace can be qualified per IQ/OQ protocols and supports 21 CFR Part 11–compliant electronic record retention when paired with validated data acquisition software.
Software & Data Management
Equipped with a factory-calibrated PP3-series PID controller featuring 30-step programmability, real-time temperature display, and independent timer functionality per segment. Optional RS485 Modbus RTU interface enables integration into LabVantage, DeltaV, or custom SCADA systems for centralized monitoring and audit-trail generation. Temperature profiles, dwell times, and event logs (including door-open interrupts and over-temp alarms) are exportable as CSV files. Firmware supports NIST-traceable calibration certificate upload and user-defined alarm thresholds—facilitating routine maintenance verification and regulatory inspection readiness.
Applications
- Residue/ash quantification in environmental, pharmaceutical, and food testing labs (e.g., AOAC 942.05, EPA Method 1694).
- Pre-treatment of catalysts, ceramics, and battery electrode materials prior to XRD or SEM analysis.
- Thermal gravimetric conditioning of reference standards used in DSC and TGA instrument calibration.
- Heat treatment of metal alloys and composites for microstructural homogenization (per ASTM E112 grain size analysis prep).
- High-temperature sterilization validation studies where traceable thermal exposure is required.
FAQ
What thermocouple type is used for 1200°C operation?
S-type (Platinum/Rhodium) thermocouples are standard for all TM1200 models, providing long-term stability and NIST-traceable accuracy within ±1.5°C up to 1200°C.
Can this furnace operate under inert gas purge?
Yes—optional quartz or stainless steel gas inlet/outlet ports (M6 thread) allow controlled nitrogen or argon purging to minimize oxidation during sensitive thermal treatments.
Is temperature uniformity mapping available?
Factory-installed 5-point uniformity validation (per ASTM E2203) is offered as an optional service, including certified report with deviation limits referenced to center-point reading.
How is calibration maintained over time?
The PP3 controller supports two-point field calibration using certified reference thermometers; annual recalibration against a primary standard is recommended per ISO/IEC 17025 guidelines.
What safety certifications does the furnace carry?
CE marking per Machinery Directive 2006/42/EC and Low Voltage Directive 2014/35/EU; RoHS 2011/65/EU compliance confirmed for all electrical components and insulation materials.
