Muffle Furnace LMF-T531

Introduction

Muffle Furnace is a microprocessor controlled furnace having unique electronic design with user friendly operating menu in 4 line display for easy operation. It uses phase angle firing method for slowing down the inevitable aging of SiC heating elements, has its own unique software and is accurate in temperature controlling and measuring using S type thermocouple. Crafted for minimal space requirement in the laboratory, it is equipped with advanced instantaneous energy consumption indicator, total working hour counter, control unit overheating sensor etc. and is ideal for maximum and continuous working temperature of 1550 °C.

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

It is used for applications such as: Fusing glass, Creating enamel coatings, Ceramics, Soldering, Brazing, Rubbers & Polymers.It is also used for metallurgical applications, for ash content determination and in research centers and medical laboratories to determine the volatile & non-combustible proportion of the sample.

Specifications

Max. Temperature	1550 °C
Capacity	9 L
Heating Program	8 step
Thermal Rate	3 °C - 20 °C
Heating element	SiC (Silicon Carbide)
Program Memories	6
Thermocouple Type	S Type
Display	4 x 20
Heating Element Placement	Horizontally aligned next to the side walls
Inner Insulation Material	Ceramic Fibre Board
Front Face Insulation Material	Insulating Fire Brick
Door Insulation Material	Ceramic Fibre Board
Housing Material	Steel Sheet
Housing Coating	Epoxy powder coating
Chimney	Standard without fan
Lockable Door Handle	Sidewards
Temperature Control Accuracy	± 1 °C (can vary at low temperatures)
Measurement Accuracy	± 1 °C
Inner Volume Temperature Homogenity	± 10 °C
Auto Start at Certain Date	Yes
Show Remaining Waiting Time	Yes
Skip the Waiting Step	Yes
Burst Heating Mode	Yes
Max. Current	2 x 19 A
Power	8.194 W
Inner Chamber Dimension (W x H x D)	200 x 180 x 300 mm
Product Outer Dimension (W x H x D)	570 x 646 x 634 mm
Gross Dimension (W x H x D)	630 x 706 x 894 mm
Net Weight	66 kg
Gross weight	87 kg

Features

controller

display that shows current and target temperature

Optimum insulation properties

4, 8, 16 step heating programs available

SiC heating elements horizontally aligned next to the side walls

Accurate temperature measurement and control using S type of thermocouple

Durable inside lining made of high quality light insulating bricks and ceramic fibre board

Dual shell housing for low outer surface temperature

Current limit control for safe operation

High cold start heating rate

Uses phase angle firing method for slowing down the aging of SiC heating elements

Provision of sound warning as the step changes and at the end of the program

Equipped with step indicator

Instantaneous energy consumption indicator

Step indicator

Total working hour counter

Descriptive error indicator

Control unit over heating sensor

Open door sensor

Provision of automatic power cutoff to the heating element if the control unit/ control card is over heated

User friendly operating menu

FAQs

1. What are the key factors to consider when selecting this muffle furnace for laboratory use?

When selecting this muffle furnace, key factors include: 1) The instrument's precision and accuracy to meet experimental requirements; 2) Compatibility with the types of samples and applications you will be working with; 3) Ease of use and maintenance requirements; 4) Safety features to protect operators and samples; 5) Calibration and certification requirements; 6) Cost-effectiveness and long-term reliability; 7) Technical support and service availability from the supplier. Evaluating these factors ensures that the instrument meets your laboratory's specific needs.

2. How often should this muffle furnace be calibrated to ensure accurate results?

It is recommended to calibrate this muffle furnace at least once every 6-12 months under normal usage conditions. More frequent calibration (every 3-6 months) may be necessary if: 1) The instrument is used continuously for extended periods; 2) It is exposed to harsh environmental conditions (temperature fluctuations, humidity, dust); 3) It is used for critical applications requiring high precision; 4) The instrument has been moved or subjected to physical shock; 5) Calibration checks indicate significant deviations from standard values. Always follow the manufacturer's calibration guidelines.

3. What are the common maintenance procedures required for this muffle furnace?

Common maintenance procedures include: 1) Regular cleaning of the instrument's exterior and sample contact surfaces to prevent contamination and ensure proper operation; 2) Inspection of moving parts (if applicable) for wear and lubrication as recommended by the manufacturer; 3) Replacement of consumable parts (filters, bulbs, reagents) according to usage guidelines; 4) Verification of performance parameters (temperature, pressure, voltage) regularly; 5) Storage of the instrument in a clean, dry environment when not in use; 6) Keeping a maintenance log to track service activities and identify potential issues early; 7) Following the manufacturer's specific maintenance schedule for optimal performance and longevity.

4. Can this muffle furnace be used with different types of samples, and are there any compatibility considerations?

Yes, this muffle furnace can be used with a variety of sample types, but compatibility considerations are important: 1) Check if the instrument's materials are compatible with the chemical composition of your samples (avoid corrosive or reactive substances that may damage the instrument); 2) Ensure that the sample volume and concentration are within the instrument's recommended range; 3) For biological samples, consider sterility requirements and potential cross-contamination risks; 4) For volatile or hazardous samples, ensure proper ventilation and safety precautions are in place; 5) Consult the manufacturer's documentation for specific sample compatibility guidelines, and perform compatibility tests with new sample types before regular use.

5. What should be done if the muffle furnace malfunctions or produces inconsistent results?

If malfunctions or inconsistent results occur: 1) First, check the instrument's user manual for troubleshooting guidelines specific to the issue; 2) Verify that the instrument is properly calibrated and within its calibration period; 3) Inspect for obvious issues such as loose connections, damaged parts, or incorrect settings; 4) Clean the instrument thoroughly to remove any contamination that may affect results; 5) Repeat the experiment with a known standard sample to determine if the issue is with the instrument or the sample; 6) If the problem persists, discontinue use of the instrument to prevent further damage or inaccurate results; 7) Contact technical support or a qualified service technician for diagnosis and repair, providing details of the issue and any troubleshooting steps already performed.