Muffle Furnace LMF-T2080

Introduction

Muffle Furnace features a maximum temperature of 1200℃ and offers a capacity of 2-litres. It uses high-purity fiber lining to ensure a very good thermal effect.  Temperature control is managed through a automatic control system using a Silicon Controlled Rectifier (). The furnace has a double layer shell with a dual cooling fan inside that keeps the external surface temperature less than 60℃. Our furnace is designed for the sintering, melting, and analysis of metal, and non-metal.

This muffle furnace is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Our Muffle Furnace is used for high-temperature material testing, ashing, sintering, and heat treatment processes in laboratories, research institutes, and industrial settings. It is ideal for applications requiring precise temperature control and uniform heating.

Specifications

Max. Temperature	1200℃
Working Temperature	1100℃
Temperature Accuracy	±1℃
Temperature Uniformity	± 5℃ over 120 mm at 1200°C
Capacity	2 L
Thermal Rate	0 to 20℃
Heating Element	Fe-Cr-Al-Mo wire
Programmable Segments	30 programmable segments for heating, cooling, and dwell time
Thermocouple Type	K Type (Pt-Rh to Pt-Rh) with 99.7% purity alumina tube
Inner Insulation Material	Ceramic Fibre Board
Door Insulation Material	Ceramic Fibre Board
Max. Current	3 x 21 A
Power	1200 W
Inner Chamber Dimension (W x H x D)	460 x 365 x 595 mm
Overall Dimension (W x H x D)	440 × 440 × 665 mm
Packing Dimension (W x H x D)	560 × 540 × 950 mm
Net Weight	76 kg

Features

Excellent temperature uniformity

Built-in Auto-Tune

Over-temperature alarm

Three-layered ceramic fiber boards chamber

Automatic power cut-off when opened

Durable structure

FAQs

1. What makes this muffle furnace suitable for high-precision thermal processing tasks?

This muffle furnace is designed with a highly accurate temperature control system and uses a Silicon Controlled Rectifier () for smooth and precise power regulation. It offers ±1°C temperature accuracy and programmable temperature settings across 30 segments, which allows for detailed control over heating rates, cooling rates, and dwell times. The advanced insulation materials used in its chamber ensure temperature uniformity of ±5°C over 120 mm and ±3°C over 80 mm at high temperatures, making it ideal for applications that demand consistent and controlled thermal environments.

2. How does the furnace ensure user safety during high-temperature operations?

Safety and precision are key features of all product. muffle furnace is equipped with an over-temperature alarm system that notifies users in case of excessive temperature rise, allowing for safe, unattended operation. Additionally, it has an automatic power cut-off mechanism that activates when the furnace door is opened, protecting the user from direct exposure to high temperatures. The double-layer steel casing and built-in dual cooling fans also ensure that the external surface stays below 60°C, reducing the risk of burns or accidental contact injuries.

3. What advantages does the insulation structure offer in terms of performance and energy efficiency?

Its insulation system consists of three layers of high-grade ceramic fiber boards, with the innermost layer rated at 1430°C and the middle layer at 1260°C. This multi-layered structure minimizes heat loss, enhances thermal stability, and significantly improves energy efficiency. The superior insulation also helps in achieving rapid heat-up and cool-down rates, maintains uniform chamber temperatures, and extends the overall service life of the furnace by reducing thermal strain on internal components.

4. Can the furnace handle specialized thermal processes, such as sintering or ashing, without compromising performance?

Yes, this furnace is engineered to handle various specialized thermal processes, including sintering, ashing, and annealing, with high reliability. Its ability to reach temperatures up to 1100°C with programmable profiles allows users to precisely tailor the thermal conditions to the specific needs of the material being processed. Whether it’s maintaining a consistent temperature for several hours or executing a multi-stage heat treatment routine, the furnace ensures consistent results without temperature overshoots or instability.

5. What kind of maintenance or troubleshooting might be required during the lifetime of the furnace?

Maintenance is minimal but essential for optimal performance. Users should periodically inspect the heating elements, thermocouple, and insulation for any signs of wear or damage, especially after extended usage at high temperatures. Regularly cleaning the chamber of any residue or build-up will help prevent contamination of samples and maintain efficiency. In terms of troubleshooting, common issues such as uneven heating or temperature fluctuations can often be traced back to faulty thermocouples or insulation degradation. The furnace includes safety features like over-temperature alarms and thermocouple failure detection, which help in early identification and correction of such issues.