Annealing furnace M 1811

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Product Overview
The M 1811 laboratory furnace is designed for precise thermal processing in laboratory environments. It features a 4.5 L insulated chamber and a working temperature range of 250°C to 1200°C, with continuous operation up to 1150°C. Temperature is managed via PID digital control with Ni-Cr Ni thermoelement feedback and SSR load switching, suitable for sintering, material testing and other controlled high-temperature treatments.

Product Specifications

• Model: M 1811
• Temperature range: 250°C – 1200°C (continuous up to 1150°C)
• Chamber volume: 4.5 liters
• Control: PID digital control with SSR
• Heating elements: Khantal A1
• Thermocouple: Ni-Cr Ni
• Power: 3000 W, Fuse 25 A, AC 220 V 50/60 Hz

Category Description
Laboratory furnaces provide precise temperature control and effective insulation to support repeatable high-temperature procedures. The M 1811 combines PID control, high-temperature insulation and a compact chamber to meet requirements in R&D, quality control and material laboratories for tasks such as sintering, heat treatment and thermal analysis.

Frequently Asked Questions (FAQ)

• What is the maximum temperature the M 1811 can reach? - Up to 1200°C (continuous rating 1150°C).
• How is the temperature controlled? - PID digital control with Ni-Cr Ni thermoelement and SSR provides stable, repeatable heating cycles.
• What safety features are included? - Cover safety switch plus ceramic insulation to limit heat transfer and reduce risk.

Technical specifications

• Temperature working limits: 250°C – 1200°C
• Chamber volume: 4.5 liters
• Continuous working temperature: 1150°C
• Thermoelement type: Ni-Cr Ni
• Temperature control: PID digital control
• Load switching element: SSR (Solid State Relay)
• Process time: 1 minute – 59 hours 59 minutes
• Thermostat setting increment: 1°C steps
• Thermostat working accuracy: ± 1°C
• Thermometer display increments: 1°C steps
• Chamber temperature accuracy: ± 10°C
• Safety features: Cover safety switch
• Casing material: Sheet steel with stoved enamel finish
• Chamber structure: Fiber plate resistant to high temperatures
• Insulation material: Ceramic wool + ceramic plate
• Fuse: 25 Amps
• Power rating: 3000W
• Heater type: Khantal A1
• Power supply: AC 220 V – 50/60 Hz
• Chamber dimensions (W x H x D): 18 x 12 x 21 cm
• Overall dimensions (W x H x D): 40 x 58 x 56 cm
• Net weight: 38 kg
• Gross weight: 46 kg