Tube Furnace
Eight Zone 1100C High Temperature Split Tube Furnace with 4 Inch OD Quartz Tube and Touch Screen Control Panel
Item Number: TU-51
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Product Overview



This high-performance split tube furnace represents a pinnacle in multi-zone thermal processing, offering eight independently controlled heating zones to meet the stringent requirements of modern material science. Designed for researchers and industrial engineers who require either an exceptionally long constant temperature zone or a precisely controlled thermal gradient, this equipment provides unparalleled flexibility. The system transitions seamlessly between atmosphere-controlled and vacuum environments, making it a cornerstone for complex heat treatment protocols and chemical vapor deposition (CVD) applications.
Engineered for the rigorous demands of industrial R&D, the unit facilitates advanced processes such as the structural ordering and graphitization of nitrogen-doped carbon and the synthesis of high-purity catalysts. By utilizing a split-furnace architecture supported by heavy-duty compressed air springs, the system ensures rapid cooling and easy access to the processing tube, minimizing downtime and maximizing throughput in busy laboratory environments. The integration of high-purity fibrous alumina insulation ensures that while the internal chamber reaches peak operating temperatures, the outer casing remains cool and safe for operators.
Reliability is at the core of this furnace's design. Utilizing premium Fe-Cr-Al alloy heating elements doped with Molybdenum, the system delivers consistent thermal output and long-term durability even under continuous high-temperature operation. Target industries include semiconductor manufacturing, aerospace material testing, battery technology development, and advanced ceramics, where precision, repeatability, and robustness are non-negotiable standards for laboratory equipment.
Key Features
- Eight Independent Heating Zones: The furnace features a sophisticated eight-zone architecture, allowing for a total constant temperature length of up to 60 inches (1500 mm) or the creation of custom-tailored step thermal gradients within +/- 0.5ºC accuracy.
- Intuitive Touch Screen Control: A centralized touch screen digital controller manages all eight channels independently through advanced PID algorithms, capable of storing 10 distinct programs with 30 segments each for complex thermal cycling.
- Precision Heating Elements: Equipped with high-quality Fe-Cr-Al Alloy doped by Mo, these elements are designed for rapid ramp rates up to 10°C/min and extended service life in demanding thermal environments.
- Ergonomic Split-Cover Design: The splittable heating chamber is equipped with a pair of heavy-duty compressed air springs, enabling smooth lifting and closing for effortless tube replacement and sample inspection.
- Advanced Thermal Insulation: A double-layer steel case utilizing forced air cooling and energy-saving high-purity fibrous alumina insulation keeps the outer surface temperature below 60°C during peak operation.
- Versatile Tube Compatibility: Specifically configured with a 100 mm OD (4 inch) quartz tube, the chamber design is flexible enough to accept various processing tubes ranging from 1 inch to 4 inches in diameter to suit diverse project requirements.
- Vacuum and Atmosphere Readiness: Includes a pair of stainless steel vacuum flanges with quick-assembling clamps and airtight sealing, optimized for operation under vacuum (<1 torr) or flowing gas environments.
- Integrated Data Communication: Features a built-in RS485 communication port and included software, allowing for remote monitoring and operation via PC to ensure data integrity and process automation.
- Robust Safety Protections: The system is built with integrated overheating and broken thermocouple protection, ensuring the safety of both the equipment and the high-value materials being processed.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Nitrogen-Doped Carbon Synthesis | High-temperature treatment (1100°C) to facilitate structural ordering and graphitization of carbon materials. | Improves electrical conductivity and methanol tolerance in catalysts. |
| Gradient Annealing | Utilizing the eight zones to create specific temperature changes across the length of a metal or alloy specimen. | Enables the study of phase transformations across a range of temperatures in a single run. |
| Chemical Vapor Deposition (CVD) | Providing a stable and long heated zone for gas-phase precursors to react and deposit thin films on substrates. | Ensures uniform film thickness and high-quality crystal growth across large batches. |
| Solid State Battery R&D | Controlled sintering of ceramic electrolytes and cathode materials under precise atmosphere conditions. | Delivers the high-density microstructure required for superior ionic conductivity. |
| Crystal Growth | Maintaining a precise thermal gradient for Bridgman or Czochralski growth methods at the laboratory scale. | Promotes the growth of high-purity single crystals with minimal lattice defects. |
| Aerospace Ceramics | Testing the thermal shock resistance and sintering characteristics of advanced ceramic matrix composites. | Validates material performance under extreme, sustained high-thermal stress. |
Technical Specifications
| Attribute | Detailed Specification for TU-51 |
|---|---|
| Model Identifier | TU-51 |
| Max. Working Temperature | 1100 °C (under flowing gas) |
| Continuous Working Temp. | 1000 °C (under vacuum < 1 torr) |
| Heating Rate | ≤ 10 °C / min |
| Total Heating Zone Length | 60 inches (1500 mm) |
| Zone Configurations | 8 Independent Zones (Left/Right: 200mm each; Middle Six: 150mm each) |
| Thermal Gradient Accuracy | Within +/- 0.5ºC by zone adjustment |
| Constant Temperature Zone | 60" (1500 mm) when 8 zones are synced within +/- 5°C |
| Processing Tube Material | High-purity Quartz |
| Standard Tube Dimensions | 100 mm OD x 92 mm ID x 2700 mm Length |
| Compatible Tube Range | 1" to 4" Outside Diameter |
| Insulation | Energy-saving high purity fibrous alumina |
| Heating Elements | Fe-Cr-Al Alloy doped by Mo |
| Power Supply | AC 208-240V Single Phase, 50/60 Hz |
| Max. Power Consumption | 9 KW (50A breaker recommended) |
| Temperature Controller | Touch screen digital PID with 10 programs / 30 segments |
| Control Accuracy | +/- 1 ºC |
| Thermocouple Type | 8 x K-type (One per zone) |
| Vacuum Connection | Quick-assembling stainless steel flange with 1/4" NPT fitting |
| Casing Construction | Double-layer steel with air cooling (< 60 °C surface) |
| Communication Interface | RS485 Port (Software included) |
| Compliance | CE Certified (NRTL/CSA ready) |
| Physical Mechanism | Split-tube with compressed air spring lift support |
Why Choose Us
- Unmatched Thermal Control: With eight independent heating zones, this system provides the most versatile thermal profiling capability in its class, allowing researchers to switch between long isothermal zones and complex gradients without changing hardware.
- Premium Engineering & Materials: From the Mo-doped heating elements to the air-spring supported split chamber, every component is chosen for its ability to withstand the rigors of industrial R&D, ensuring a lower total cost of ownership.
- Superior User Interface: The integrated touch screen controller simplifies complex multi-zone programming, reducing the risk of operator error during critical thermal processes and improving lab productivity.
- Vacuum and Atmosphere Ready: Unlike standard furnaces, this unit comes fully equipped for advanced gas-environment control, making it ideal for the synthesis of modern materials like catalysts and nitrogen-doped carbon structures.
- Certified Safety and Reliability: Our CE-certified design and double-shell cooling ensure that your laboratory remains a safe environment while maintaining the highest levels of process consistency.
This eight-zone split tube furnace offers the precision, scale, and versatility required for the next generation of material development. Contact our technical sales team today for a formal quotation or to discuss a customized solution for your specific thermal processing needs.
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