Muffle Furnace
muffle furnace
The DF20, DF30, DF40, DF202, DF303 and DF404 muffle furnaces are suitable for material heating, ashing, sintering, heat treatment, electronic material testing, metal and ceramic processing, and use in research institutions, school laboratories, manufacturing processes and quality control. Select a model based on chamber size, sample load, operating temperature, heating and cooling requirements, control options and site power conditions. Final selection should be confirmed against the sample, test purpose and quality-control process.
1200°C high-temperature heating
A maximum temperature of 1200°C (1100°C commonly used) supports material heating, ashing, sintering and laboratory heat treatment.
Multiple chamber sizes
DF20, DF30, DF40, DF202, DF303 and DF404 offer different chamber dimensions and capacities. Choose according to sample quantity and loading arrangement.
Options and customization
Options to evaluate include custom chamber dimensions, a multistep programmable controller, gas flow meter and piping, timer functions, and a 1600°C high-temperature furnace.
How to choose a muffle furnace
For ashing, sintering, heat treatment, electronic material heating, ceramic processing or quality inspection, first confirm sample dimensions, quantity per batch, target temperature, hold time, need for multistep heating, timer or gas piping, site power and available space. DF20 suits small samples; DF30 and DF40 suit larger samples or longer workpieces; DF202, DF303 and DF404 can be compared by chamber capacity and dimensions. Consider a 1600°C furnace if a higher temperature is required. Confirm the final selection against the sample and process.
Specifications
| Model | DF20 | DF30 | DF40 | DF202 | DF303 | DF404 |
|---|---|---|---|---|---|---|
| Temperature range | 1200°C，commonly used 1100°C | |||||
| Temperature accuracy | ± 1℃ | |||||
| Construction | Chamber heating elements: imported high-temperature ceramic-fiber board and imported heating wire; exterior: galvanized steel with powder coating | |||||
| Control system | Full touch panel, microcomputer P.I.D. temperature controller with dual displays, and S.S.R. control | |||||
| Setting method | Touchscreen | |||||
| Display | LED digital display with simultaneous dual readouts | |||||
| Thermocouple | K TYPE | |||||
| Safety features | Self-diagnostics, temperature fault and overheat protection, open-circuit detection, and power protection switch | |||||
| Insulation | Imported high-temperature ceramic-fiber insulation with multiple insulation layers | |||||
| Internal dimensions (W x D x H)mm | 100 x 200 x 100 | 150 x 300 x 100 | 200 x 400 x 150 | 200 x 200 x 200 | 300 x 300 x 300 | 400 x 400 x 400 |
| External dimensions (W x D x H)mm | 340 x 420 x 480 | 450 x 520 x 520 | 500 x 600 x 520 | 500 x 520 x 700 | 660 x 600 x 830 | 800 x 730 x 1000 |
| Capacity | 2L | 4.5L | 12L | 8L | 27L | 64L |
| Power supply / Current | 220V／9A | 220V／16A | 220V／21A | 220V／18A | 220V／27A | 220V／36A |
| Optional features / Add-ons | Optional custom dimensions, multistep programmable controller, gas flow meter and piping, and timer (up to 99 hours 59 minutes) with automatic shutdown; a 1600°C furnace is also available for evaluation | |||||
Applications and features
Applications: For high-tech electronics, research institutions, schools, factories, quality control, analytical laboratories, material testing, ashing analysis, ceramics, metals and general laboratory heat treatment.
Features: The furnace heats and cools quickly, is lightweight, and has a durable design. Its detachable control panel simplifies maintenance. Temperature correction is available for high-temperature heating, ashing, sintering, heat treatment and material testing.
Options and customization: Custom dimensions, a multistep programmable controller, gas flow meter and piping, and timer functions can be evaluated as options. The timer supports up to 99 hours 59 minutes and can be paired with automatic shutdown. A 1600°C furnace can also be considered. Confirm specifications and supply configuration by model and operating conditions.
Frequently asked questions
Q1: How should I choose among DF20, DF30, DF40, DF202, DF303 and DF404?
Start by comparing chamber dimensions, capacity, sample size and batch quantity. DF20 has a 2 L capacity for small samples; DF30 and DF40 suit longer or larger samples; compare DF202, DF303 and DF404 by capacity and chamber space. Confirm the final choice against sample dimensions, loading, temperature and process requirements.
Q2: What applications are muffle furnaces suited for?
They can be used for material heating, ashing, sintering, heat treatment, electronic material testing, ceramic and metal processing, and quality inspection. Suitability depends on sample material, target temperature, hold time and test purpose.
Q3: What is the difference between a muffle furnace and a high-temperature oven?
High-temperature ovens are mainly used for material drying, heating and aging tests. Muffle furnaces are designed for higher-temperature ashing, sintering and heat treatment. Consider a furnace for processes above 1000°C, and an oven for primarily drying or heating.
Q4: Can the furnace be customized or fitted with options?
Options include custom dimensions, multistep programmable control, gas flow meter and piping, and a timer up to 99 hours 59 minutes with automatic shutdown. A 1600°C furnace can also be evaluated. Confirm the specifications, controls and available configuration by model and application.
Q5: What information should I provide when requesting a quote?
Please provide sample material, dimensions and weight, quantity per batch, typical and maximum temperatures, hold time, need for multistep heating or gas piping, power supply, and installation space so we can assess a suitable model.
Specifications are compiled from current product information. Confirm the actual temperature range, chamber dimensions, controller, power supply, options and supply configuration for the selected model and application.
Contact Fulcrum Technology for specifications and a quote