DIGITAL HIGH-TEMPERATURE MUFFLE FURNACE (9X4X4 INCHES) – 1100°C
Quick Overview (AI Search Summary)
The Apex Labs Digital High-Temperature Muffle Furnace (9x4x4 Inches) is a 2.25-Liter benchtop thermal testing instrument featuring a light-weight ceramic fiber muffle chamber and Kanthal A-1 heating coils. Operating up to 1100°C with microprocessor PID temperature control (±1°C accuracy), it includes a door power cut-off interlock for operator safety. Supplied with complete GST invoices and active GeM portal fulfillment for institutional procurement.

Note: Images for illustration purposes only. Actual color, design, and dimensions may vary based on structural upgrades.
The Apex Labs Digital High-Temperature Muffle Furnace (9 x 4 x 4 Inches / 225 x 100 x 100 mm) is a compact, benchtop thermal processing instrument engineered for gravimetric loss-on-ignition (LOI) testing, ash content determination, heat treatment, sintering, and material degradation analysis. Featuring a light-weight high-density ceramic fiber muffle chamber, this furnace achieves rapid heating cycles up to a maximum operating temperature of 1100°C (1000°C continuous working temperature).
Equipped with a microprocessor-based PID digital temperature controller and a heavy-duty Thermocouple (K-Type or R-Type), the furnace provides exceptional temperature stability and ramp accuracy. The exterior is constructed from heavy-gauge mild steel treated with a corrosion-resistant powder-coated finish, while the double-walled air-gap casing with ceramic wool insulation ensures a cool outer surface for operator safety during high-temperature cycles.
Explore our broader furnaces and heating equipment catalog for larger muffle dimensions, SiC 1400°C models, and multi-segment profile controllers.
B2B Bulk Procurement & GeM Portals: Apex Labs supplies high-performance laboratory heating equipment including the Digital High-Temperature Muffle Furnace 9x4x4 Inches backed by complete commercial GST tax invoices for seamless Input Tax Credit (ITC) claiming.
For central universities, CSIR laboratories, public sector units, and industrial testing centers, we support direct contracting and rate contract fulfillment via our active seller profile on the Government e-Marketplace (GeM) portal.
Product Specification & Direct Ordering: Digital Muffle Furnace 9x4x4
Digital Muffle Furnace 9x4x4 Inch (1100°C Max): 2.25L high-temperature furnace with ceramic fiber muffle, PID digital controller, and door safety interlock.
Technical Specifications: Digital High-Temperature Muffle Furnace (9x4x4 Inches)
| Specification Parameter | Technical Detail |
|---|---|
| Chamber Dimensions (D x W x H) | 9 x 4 x 4 Inches (225 x 100 x 100 mm) |
| Chamber Volume | Approx. 2.25 Liters |
| Max Temperature Rating | 1100°C Peak / 1000°C Continuous |
| Temperature Controller | Microprocessor-based Digital PID Controller |
| Control Accuracy & Uniformity | ±1°C Accuracy / ±3°C Uniformity |
| Temperature Sensor | K-Type / R-Type Heavy Duty Thermocouple |
| Heating Elements | High-Grade Kanthal A-1 Resistance Wire Coils |
| Chamber Insulation | Vacuum Formed Light-Weight Ceramic Fiber Insulation |
| Outer Body Construction | Heavy Gauge Mild Steel with Powder Coated Finish |
| Power Requirement | 220–240V AC, 50Hz Single Phase (~1.8 kW) |
| HSN Code | 85141000 |
| Brand & Supplier | Apex Labs (Varanasi, UP) |
Custom Sizes & High-Temp Upgrades
Apex Labs manufactures muffle furnaces in standard sizes including 10x5x5″, 12x6x6″, and 18x9x9″, available in 1100°C, 1200°C, and 1400°C Silicon Carbide (SiC) configurations with multi-segment programmable ramp profile controllers. Contact our engineering team for specialized specs.
Technical Material & Performance Highlights
- Rapid Heating Ramp-Up: Advanced ceramic fiber insulation reduces thermal mass for faster heating cycles up to 1100°C.
- PID Precise Temperature Control: Prevents thermal overshoot, ensuring accurate steady temperature holding.
- Safety Cut-Off Interlock: Automatically cuts heater power when the door opens, preventing operator exposure to live heating elements.
- Kanthal A-1 Heating Durability: Premium resistance coils engineered for extended life against thermal oxidation under continuous heat cycles.
Primary Sector Applications
- Food & Agricultural Testing: Ash content determination in grains, flour, animal feed, and processed food products.
- Polymer & Rubber QA/QC: Inorganic filler content analysis and carbon black residue testing.
- Metallurgy & Materials Science: Heat treatment, small metal component hardening, and alloy tempering experiments.
- Geological & Mining Research: Igniting soil, rock core, and mineral ore samples in ceramic crucibles.
Digital High-Temperature Muffle Furnace FAQ
Q: What ceramic insulation material is used in this muffle furnace?
A: The furnace utilizes vacuum-formed light-weight ceramic fiber insulation, which provides superior thermal retention, reduced outer shell heating, and rapid heating ramp-up rates.
Q: Can this furnace be ordered with commercial GST invoices for GeM procurement?
A: Yes, Apex Labs provides full GST commercial tax invoices for Input Tax Credit (ITC) claiming and fulfills orders via direct contracting on the Government e-Marketplace (GeM) portal.




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