M104 Benchtop Box-Type Muffle Furnace
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | M104 |
| Instrument Type | Benchtop Box Furnace |
| Max Temperature | 1000°C |
| Temperature Uniformity | ±10°C |
| Control Accuracy | ±2–4°C |
| Max Power | 1040 W |
| Heating Rate (to 1000°C) | 6–12°C/min |
| Heating Element | Kanthal A1 Resistance Wire |
| Internal Dimensions | 170 × 130 × 160 mm |
| External Dimensions | 456 × 646 × 570 mm |
| Chamber Volume | 3.5 L |
| Voltage/Frequency | 230 V, 50/60 Hz |
| Net Weight | 51 kg |
| Compliance | CE-marked |
Overview
The M104 Benchtop Box-Type Muffle Furnace is a compact, CE-compliant laboratory furnace engineered for precise thermal treatment of samples in research, quality control, and routine analytical workflows. Designed around a robust ceramic fiber insulation chamber and high-stability Kanthal A1 resistance heating elements, the M104 delivers reliable, repeatable heating performance up to 1000°C. Its muffle architecture isolates the heating zone from combustion byproducts and external contaminants—ensuring sample integrity during ashing, calcination, heat treatment, or gravimetric analysis. The unit operates on standard 230 V AC power with low thermal mass construction, enabling efficient energy use and rapid thermal response. With a working volume of 3.5 L and internal dimensions of 170 × 130 × 160 mm, the M104 is optimized for benchtop deployment in space-constrained laboratories while maintaining sufficient capacity for standard crucibles, porcelain boats, and small metal specimens.
Key Features
- Benchtop form factor with downward-opening door—enhances operator safety by minimizing radiant exposure during loading/unloading
- Ceramic fiber insulation layer (density ≥ 128 kg/m³) providing excellent thermal retention and reducing surface temperature rise
- Digital PID temperature controller with dual-stage over-temperature protection and programmable ramp-soak profiles
- Temperature uniformity of ±10°C across the entire chamber at 1000°C—verified per ASTM E220 calibration methodology
- Stainless steel exterior housing with reinforced hinge mechanism and high-temperature gasket seal
- Integrated cooling fan for controlled post-cycle cooldown and extended element lifespan
- CE marking confirming compliance with EU Machinery Directive 2006/42/EC and Low Voltage Directive 2014/35/EU
Sample Compatibility & Compliance
The M104 accommodates standard laboratory ware including alumina, quartz, and stainless steel crucibles (up to 100 mL capacity), ceramic boats, and small metallic or ceramic substrates. It supports applications requiring inert or air atmospheres; optional purge ports (not included) allow integration with nitrogen or argon gas lines for oxygen-sensitive processes. All operational parameters—including setpoint, dwell time, ramp rate, and actual chamber temperature—are logged internally with timestamping, supporting GLP/GMP documentation requirements. While not intrinsically rated for hazardous environments, the furnace meets general-purpose laboratory safety standards under ISO/IEC 17025-accredited facility protocols when used with appropriate PPE and ventilation.
Software & Data Management
The M104 operates via an embedded microprocessor-based controller with intuitive membrane keypad interface and 4-digit LED display. Real-time temperature readout, setpoint adjustment, and alarm status are accessible without external software. Optional RS-485 communication port (available as add-on module) enables integration with LabVIEW, MATLAB, or SCADA systems for remote monitoring and data acquisition. Logged temperature profiles can be exported via USB flash drive (supported format: CSV) for audit trail generation. Firmware supports configurable data logging intervals (1–60 sec), automatic event tagging (e.g., “Soak Start”, “Cooling Complete”), and password-protected parameter modification—facilitating 21 CFR Part 11 readiness when deployed in regulated pharmaceutical or clinical testing environments.
Applications
- Residue ashing of organic matrices (e.g., food, soil, polymer ash content per ASTM D5630)
- Calcination of catalyst precursors and ceramic powders prior to XRD or BET analysis
- Thermal decomposition studies in materials science and geochemistry
- Pre-drying of filter papers and crucibles before gravimetric moisture determination (ISO 540)
- Heat treatment of calibration standards for thermogravimetric analyzers (TGA)
- Preheating of samples prior to differential scanning calorimetry (DSC) or hot-stage microscopy
FAQ
What is the recommended maintenance schedule for the M104 furnace?
Routine inspection of door gasket integrity and heating element continuity is advised every 200 operating hours. Ceramic fiber insulation should be visually assessed for cracking or compression annually.
Can the M104 be used for hydrogen atmosphere processing?
No—this model is rated for ambient air only. Hydrogen or reducing atmospheres require specialized furnaces with explosion-proof housings and leak-tested seals.
Is the temperature uniformity specification validated at full load or empty chamber?
The ±10°C uniformity is measured in an empty chamber per IEC 60068-3-5 using nine calibrated thermocouples distributed across the working volume.
Does the M104 support multi-step temperature programs?
Yes—the controller allows up to 8 segments with independent ramp rates, soak times, and hold temperatures.
What calibration documentation is provided with shipment?
Each unit ships with a factory calibration certificate traceable to NIST standards, covering three points (300°C, 600°C, and 1000°C) with uncertainty ≤ ±1.5°C (k=2).
