Vacuum-formed, high-purity alumina ceramic-fiber furnace chamber with low thermal mass and excellent thermal insulation.
High-quality Molybdenum (MoSi2) heating elements, symmetrically arranged on both sides of the chamber for improved temperature uniformity and long service life.
Programmable heating rate up to 5°C/min.
High-precision temperature control with an accuracy of ±1°C under stabilized conditions.
Microprocessor-based programmable PID temperature controller with 1 program × 16 segments for Ramp / Soak / Hold operation.
SCR Thyristor-based power controller for smooth, stepless and precise regulation of power to the MoSi2 heating elements.
Electrical components from Autonics / Schneider Electric / L&T or equivalent reputed brands.
Independent over-temperature protection with audible/visual alarm and automatic heater cut-off.
Thermocouple break protection with automatic heating shutdown.
Fully automatic program operation after initiation.
Optional Ethernet communication and temperature data-logging facility.
Product Overview
The HE-MF 1800°C Series Muffle Furnace is designed for routine and advanced high-temperature laboratory applications where precise and repeatable temperature control is required.
The furnace incorporates a high-purity alumina ceramic-fiber chamber, high-quality Silicon Carbide heating elements, programmable PID temperature control and SCR Thyristor power regulation to provide stable heating performance, good temperature uniformity and reliable experimental results.
Technical Specification
Parameter
Offered Specification
Maximum Temperature
1800°C
Recommended Continuous Working Temperature
Up to 1800°C
Atmosphere
Normal Air
Heating Principle
Electric Resistance Heating
Heating Elements
High-quality Molybdenum (MoSi2) heaters, symmetrically arranged for uniform heating
Power Control System
SCR (Silicon Controlled Rectifier) Thyristor-Based Power Controller for smooth, precise and stepless regulation of power supplied to the heating elements
Programmable; 1–5°C/min recommended, maximum ≤5°C/min
Cooling Rate
Recommended ≤5°C/min for improved refractory and heating-element service life
Temperature Accuracy
±1°C under stabilized operating conditions
Temperature Sensor
R-Type Thermocouple
Temperature Controller
Digital microprocessor-based programmable PID temperature controller with auto-tuning
Programmable Segments
1 Program × 16 Segments for Ramp / Soak / Hold operation
Timer Function
Programmable timer / soak-time control
Control Mode
Fully automatic programmable operation with Ramp, Soak and Hold functions
Display
Digital display for Set Value (SV) and Process Value (PV)
Door Type
Front-opening insulated door
Door Insulation
High-temperature refractory door plug/block to minimize heat loss
Outer Body
Heavy-duty MS construction with powder-coated finish
Electrical Components
Autonics / Schneider Electric / L&T or equivalent reputed make
Power Supply
415 V AC, 3 Phase, 50 Hz
Communication Interface
Ethernet – Optional
Data Logging
Optional temperature/time data recording and export facility
Over-Temperature Protection
Independent over-temperature protection with audible/visual alarm and automatic heater cut-off
Thermocouple Failure Protection
Sensor-break detection with alarm and automatic heating cut-off
Electrical Safety
MCB, contactor / SSR, proper earthing and other necessary electrical safety provisions
Operating Mode
Fully automatic after program initiation
Installation
Suitable for indoor laboratory and industrial installation
Standard Accessories
1 Pair High-Temperature Furnace Gloves, 1 No. SS Tong and 1 No. Operation & Maintenance Manual
Optional Accessories
High-Purity Alumina Crucible, Alumina Boat, Quartz Crucible, spare SiC heating elements and data-logging system
Warranty
12 Months Limited Warranty against manufacturing defects
Service Support
Lifetime technical and service support available
Warranty Exclusions
Consumable parts including SiC heating elements, thermocouple/sensor, crucibles, refractory parts and components damaged by misuse, corrosive gases or acidic atmosphere
Certification / Compliance
NSIC Registered; ISO 9001:2015 / ISO 14001:2015 / ISO 13485:2016 / CE / GMP / FDA, as applicable and supported by valid certification
