Muffle Furnaces

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Muffle Furnaces Specification

Voltage
220/230 V AC

Temperature Range
up to 1200C

Accuracy
100 %

Capacity
2 to 20 Liters

Measurement Range
Ambient to 1200C

Power Source
Electric

Feature
Highly Efficient

Automation Grade
Semi Automatic

Frequency
50 Hz

Core Components
Kanthal Heating Elements, High-Grade Insulation

Model No
MF Series

Equipment Materials
Mild Steel with Powder Coating, Ceramic Fiber Insulation

Type
Box Type

Usage
Laboratory

Display Type
Digital

Dimension (L*W*H)
Available in 12x12x12 inch, 14x14x14 inch and custom sizes

Weight
35-70 kg (depending on model)

About Muffle Furnaces

MUFFLE FURNACE ETHR-91

Muffle Furnaces with double walled construction of thick PCRC sheet. Outside finished in shoving enamel and gap insulated with ceramic wool. Heating elements of kantha A-1 wire fitted with high quality energy regulator, pyrometer, thermocouple, silver thermal fuse, main lead with power plug to work on 220V AC 50Hz single phase. Maximum temperatures 900°C, 1000°C,\

Available in

Muffle Size in mms. Rating

100 x 100 x 225 1.5 kw

125 x 125 x 250 2.5 kw

125 x 125 x 300 3.0 kw

150 x 150 x 300 3.5 kw

200 x 200 x 300 5.0 kw

125 x 175 x 350 5.0 kw

125 x 175 x 475 6.0 kw

225 x 225 x 450 8.0 kw

Optional

Solid state temp. Controller in lieu of energy regulator.
Digital temp. indicator-cum-controller.
Digital temp. indicator-cum-controller with computer data logger.
Models with maximum temperatures 1100°C, 1200°C &
1600°C available.

Digital PID Controller with Timer

Our MF Series features a state-of-the-art digital PID controller and timer, allowing precise temperature regulation and programmable heating cycles to streamline laboratory processes. The controller ensures minimal temperature fluctuation and easy monitoring with clear digital display, enhancing repeatability and efficiency during operation.

Superior Thermal Insulation & Safety

Built with 75mm to 100mm thick ceramic fiber insulation, the furnace offers exceptional heat retention and minimizes energy consumption. Safety is prioritized with a swing-type insulated door equipped with an interlock, over-temperature alarm, and automatic cutoffprotecting both users and samples throughout operation.

Durable Construction & Flexible Sizing

The chamber utilizes high-grade refractory ceramic and Kanthal heating elements, surrounded by a powder-coated mild steel exterior available in blue or grey. We offer various standard chamber sizes and custom dimensions to suit diverse laboratory requirements, supporting applications from materials testing to sample ashing.

FAQs of Muffle Furnaces:

Q: How does the digital PID controller with timer improve furnace operation?

A: The digital PID controller with timer enables precise adjustment and maintenance of temperature, ensuring stable heat levels and accurate timing for various laboratory processes, which results in consistent and reproducible results.

Q: What safety features are integrated into the MF Series muffle furnace?

A: Safety features include a swing-type insulated door with safety interlock, over-temperature alarm, and automatic cutoff mechanism. These prevent unauthorized access, overheating, and protect users during operation.

Q: When should I use the muffle furnace for laboratory applications?

A: The furnace is ideal for when you need stable, high-temperature environments for procedures such as sample ashing, heat treatment, and material testing, offering uniform temperatures up to 1200C.

Q: Where can these muffle furnaces be installed or used?

A: MF Series muffle furnaces are designed for laboratory environments in academic, research, industrial, or quality control settings across India and other export markets. Their compact footprint and customizable dimensions make them adaptable for various workspace requirements.

Q: What is the process for operating the muffle furnace?

A: To operate, load the sample into the refractory ceramic chamber, set the desired temperature and timer using the digital PID controller, and the heating cycle will commence. Over-temperature protection will automatically activate if required, maintaining safe and efficient operation.

Q: How does the furnace ensure temperature uniformity and measurement accuracy?

A: The furnace uses advanced Kanthal heating elements and thick ceramic fiber insulation, supported by a K-type thermocouple and PID controller, which maintains uniform temperatures within 5C and guarantees 100% accuracy in measurement.

Q: What are the benefits of choosing the MF Series muffle furnace for laboratory use?

A: Key benefits include highly efficient thermal performance, enhanced safety controls, reliable temperature accuracy, custom sizing options, and robust construction. These features optimize laboratory workflows and ensure dependable results for a wide range of applications.

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