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Labotemp Systems
Muffle Furnace FMU-21

Muffle Furnace FMU-21

Product catalog summary

Description: The Labotemp Muffle Furnace FMU-21 is a high-temperature electric furnace designed for thermal processing, material analysis, and heat-treatment applications. It is suitable for use in research laboratories, universities, industrial facilities, and mining operations. The furnace can reach a maximum temperature of 1700°C, with a recommended continuous working temperature of 1650°C. It features a 6.7 L chamber made of polycrystalline mullite fiber insulation, ensuring thermal efficiency and reduced energy consumption. The furnace uses high-purity silicon molybdenum heating elements and intelligent PID control for precise temperature accuracy of ±1°C.

Specifications: The FMU-21 has a capacity of 6.7 L and operates within a temperature range of up to 1700°C. It requires a power supply of AC220V / 50Hz and has a heating power of 9 kW. The temperature accuracy is ±1°C, with a resolution ratio of 1°C. The temperature rise time is ≤140 minutes. The furnace features a high-temperature resistant silicon molybdenum rod as the heating element and uses an intelligent microcomputer PID control mode. The chamber is made of polycrystalline mullite fiber, and the exterior is constructed from cold-rolled steel with a surface spray treatment.

Features: The FMU-21 offers advanced safety protection, including over-temperature alarms, leakage protection, sensor monitoring, and door-open power cutoff. It provides excellent temperature uniformity and includes a heating start/stop control button for convenience. The furnace has built-in temperature correction and overshoot self-adjustment functions for improved process stability. It is available with LED, LCD, or 7-inch touchscreen programmable controllers, with the touchscreen option offering temperature curve display and U-disk data storage. The furnace is designed for easy replacement of heating elements and features a double-shell structure with air-jacket insulation to reduce outer surface temperature.

Applications: The FMU-21 is suitable for high-temperature material research, ceramic sintering, metallurgical analysis, ash content determination, refractory material testing, and heat-treatment processes up to 1700°C. It is widely used in university laboratories, research institutes, and industrial quality-control facilities for thermal processing, inorganic material characterization, sample preparation, process development, and advanced materials evaluation.

Catalog excerpts

Your Partner in Temperature Precision

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Labotemp Muffle Furnace FMU-21 is a high-temperature electric muffle furnace engineered for demanding thermal processing, material analysis, sintering, ash determination, and heat-treatment applications in research laboratories, universities, industrial facilities, and mining operations. This laboratory furnace offers a maximum operating temperature of 1700°C with a recommended continuous working temperature of 1650°C, making it suitable for advanced ceramic, metallurgical, and inorganic material testing. The 6.7 L chamber is constructed with high-temperature-resistant polycrystalline mullite...

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Advanced Safety Protection Provides excellent temperature uniformity through high-purity silicon molybdenum heating elements. Includes heating start/stop control button for convenient operation. Built-in temperature correction and overshoot self-adjustment functions improve process stability. Available with LED, LCD, or 7-inch touchscreen programmable controllers depending on configuration. Touchscreen controller option provides temperature curve display and U-disk data storage functionality. Constructed with a mirror-finished stainless-steel furnace mouth for enhanced durability and resistance...

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Suitable for high-temperature material research, ceramic sintering, metallurgical analysis, ash content determination, refractory material testing, and heat-treatment processes up to 1700°C. Widely used in university laboratories, research institutes, mining and industrial quality-control facilities for thermal processing, inorganic material characterization, sample preparation, process development, and advanced materials evaluation requiring precise programmable temperature control and reliable safety protection. Your Partner in Temperature Precision 144 E, Midwest Avenue, Casper WY 82601, USA...

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