The GWDL-1200XLS Electric Top-Lift Muffle Furnace is designed for laboratory and industrial applications that demand precision, safety, and efficiency. With an electric screw-lift door system, advanced insulation materials, and powerful programmable controls, it ensures stable performance for a wide range of heat treatment processes.
Key Features
Top-Lift Door System: Electric screw-lift door with smooth operation. Manual opening available during power outages, ensuring reliable dual protection.
Precision Temperature Control: Intelligent controller with ±1℃ accuracy, supporting up to 50 programmable segments. Multiple curve storage and modification during operation.
Durable Furnace Structure: CNC-machined, anti-oxidation and corrosion-resistant housing with dual-layer air cooling. Surface temperature ≤45℃ for safe operation.
High-Quality Insulation: Vacuum-formed alumina fiber board provides high thermal stability, low heat storage, and excellent energy efficiency.
Comprehensive Protection: Dual-circuit design with safeguards against over-temperature, over-current, phase loss, surge, thermocouple failure, and soft-start protection.
Technical Parameters
Parameter
Value
Model
GWDL-1200XLS
Max Temperature
1250℃
Continuous Temperature
1180℃
Control Accuracy
±1℃
Temperature Range
100 – 1200℃
Thermocouple Type
K-type
Heating Rate
1℃/h – 40℃/min (adjustable)
Heating Elements
High-temperature alloy wires
Furnace Shell Temp
≤45℃ (long-term operation)
Chamber Heating Layout
Both sides + bottom (3-sided)
Applications
Heat treatment processes such as annealing, sintering, tempering, and stress relief
Ceramics, metallurgy, glass, and material research
Laboratory testing and small-scale industrial production
Educational and R&D institutions
Standard Accessories
Crucible tongs × 1
High-temperature gloves × 1 pair
Hearth plate × 1
Spare heating elements × 2
User manual, certificate, inspection report
Warranty
1-year warranty for the furnace body
Heating elements excluded (free replacement within 3 months for natural failure)
Advantages Summary
Electric + manual dual door opening system for safety and reliability
Three-sided heating and advanced insulation ensure superior temperature uniformity
50-segment programmable control system for complex heating curves
Comprehensive safety protection with dual-circuit design
Low external temperature with wind-cooled double-shell structure
