Muffle Furnace ADMF-520
Muffle Furnace ADMF-520
Muffle Furnace ADMF-520

Muffle Furnace ADMF-520

Muffle Furnace ADMF-520 offers a temperature range of 50 to 1200℃, suitable for various laboratory and industrial processes. It features a Digital PID controller for precise and programmable temperature control. Equipped with an axial fan with double-layer air cooling, it ensures efficient heat management. The ceramic fibre inner chamber provides excellent thermal insulation. This furnace delivers reliable performance for sintering, annealing, and heat-treatment applications.


Capacity 36 L
Temperature Range 50 to 1200℃
Maximum Temperature 1200 ℃
Working Temperature Up to 1100℃
Temperature Resolution ±1℃
Temperature Fluctuation ±1℃
Temperature Uniformity ±3℃
Temperature Rise Rate At 1000℃ or up to 10℃/min (No overpass 30℃/min)
Temperature Drop Rate At 700℃ or up to 10℃/min
Time Range 1 to 99 h 59 min or 1 to 999 h
Controller Digital PID (fixed running or programmable)
Function Bias correction, outage compensation, lock function
Heating System HDR resistance alloy wire heater
Sensor K-type thermocouple
Cooling and Airflow Axial fan, double layer with air cooling
Safety Features Auto cut-off when door opens, over-temperature alarm, leakage protection
Outer Body Material Cold-rolled steel, drug-resistant painted
Inner Chamber Material Ceramic fiber
Power Consumption 6 KW
Internal Dimension (D×W×H) 400×300×300 mm
External Dimension (D×W×H) 670×570×820 mm
Weight 89 kg
  • HDR wire heater
  • Over-temperature alarm
  • Cold-rolled steel body
  • Adjustable timer
  • Bias correction function

Muffle Furnace ADMF-520 is widely applied in rare earth, electronic ceramics, and bio-ceramics production. It assists with annealing, sintering, and coating procedures in laboratory and industrial use.

Frequently Asked Questions of Muffle Furnace ADMF-520

1. How do you maintain a muffle furnace?

To maintain a muffle furnace, regularly check the insulation, clean the chamber, and inspect the heating elements. Proper care extends the life of the muffle furnace and ensures consistent performance.

2. What is a Muffle Furnace?

A Muffle Furnace is a high-temperature oven used to heat materials in a controlled and isolated environment. It is equipped with a sealed chamber known as a muffle, which separates the sample from the furnace’s heating elements. This isolation prevents contamination and ensures uniform heat. The design of the system makes it useful for precise processes that require strict control over the environment.

3. How is a Muffle Furnace different from other furnace types in terms of design and functionality?

A Muffle Furnace differs from other types of furnaces in its design and functionality. The key feature of a unit is its sealed chamber, where the sample is placed inside a muffle. This ensures that the sample does not meet combustion gases, which is crucial for preventing contamination. Other types of furnaces, such as Box Furnaces, do not have this isolated chamber and may allow direct exposure of samples to heat sources.

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