Description
The Mellen NACCI‑3 Tube Furnace offers precise thermal processing in a compact form factor. Its high-performance digital PID controller delivers accurate and repeatable temperature control with uniformity throughout the 12″ heated zone at temperatures up to 1200 °C.
Built around a durable ceramic tube (3″ internal diameter) and supported by a robust horizontal chamber, the NACCI‑3 ensures even heating with minimal thermal gradients. Ideal for applications such as catalyst activation, quartz tube annealing, sintering, oxidation/reduction treatments, and thin-film processing.
It includes safety interlocks, over-temperature protection, and a user-friendly interface—all available in configurations for 120 V or 208–240 V power. Compact and energy-efficient, it fits easily on lab benches and is backed by Mellen’s quality assurance with a standard 1-year warranty.
Key Features
- Maximum operating temp: 1200 °C
- 12″ heated zone × 3″ ID ceramic tube
- Digital PID controller with ±1 °C accuracy
- 3 independent thermal zones (NACCI‑3)
- Ramp rates up to 10 °C/min (standard)
- Over-temperature alarm and safety cutoff
- Voltage options: 120 V or 208–240 V
- Compact benchtop footprint
- For sintering, annealing, catalyst prep, R&D
Model Variations & Specs
| Model | Voltage | Heated Zone | Max Temp | Power Rating |
|---|---|---|---|---|
| NV12.5‑IC‑120V | 120 V, 60 Hz | 12″ | 1200 °C | ~1800 W |
| NV12.5‑IC‑208–240V | 208–240 V, 50/60 Hz | 12″ | 1200 °C | ~2400 W |






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