Labotemp Muffle Furnace FMU-12 is an ISO & CE-certified high-temperature electric muffle furnace engineered for precision laboratory use to 1700°C. This 12 L lab muffle furnace combines HHR polycrystalline mullite-fiber chamber, high-temperature alumina insulation and HHR MoSi₂ rod heating to deliver rapid heat-up (<40 min), excellent thermal uniformity and long service life. An advanced 7″ touchscreen PL controller with PID regulation, programmable cycles (0–9999 min) and 1°C resolution ensures repeatable temperature control and simple touch operation for demanding processes.
Designed as a high-efficiency furnace for ceramic sintering, metallurgy research, crystal growth, annealing, thermal analysis and heat treatment, FMU-12 integrates into university, R&D and industrial lab workflows. As a trusted furnace manufacturer and furnace supplier, Labotemp provides compliance documentation, application support and spare-parts service to ensure reliable, safe operation in laboratory and industrial settings.
Why choose Muffle Furnace FMU-12?
✓ Precise Digital Control: 7″ touchscreen PID, 1°C resolution.
✓ Fast & Uniform Heating: MoSi₂ rods, rapid ramp and low gradients.
✓ Safe & Programmable: multi-stage programs and safety protections.
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Model NO. : FMU-12 Model NO. |
FMU-12 |
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Volume : 12 L Volume |
12 L |
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Temperature Range : 1700℃ Temperature Range |
1700℃ |
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Temperature Resolution : 1℃ Temperature Resolution |
1℃ |
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Temperature Accuracy : ±1℃ Temperature Accuracy |
±1℃ |
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Current Rating : AC 380V Current Rating |
AC 380V |
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Power Rating : 10 kW Power Rating |
10 kW |
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Rise Time : <40 min Rise Time |
<40 min |
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Chamber Material : HHR Mullite fiber Chamber Material |
HHR Mullite fiber |
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Outer Shell : Cold-rolled steel Outer Shell |
Cold-rolled steel |
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Insulation Layer : High-temperature alumina fiber Insulation Layer |
High-temperature alumina fiber |
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Heater : HHR MoSi₂ Rod Heater |
HHR MoSi₂ Rod |
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Exhaust Hole : Diφ22 Deφ18 Exhaust Hole |
Diφ22 Deφ18 |
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Controller : 7” Touchscreen PL Controller |
7” Touchscreen PL |
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Temperature Setting Mode : Touch Temperature Setting Mode |
Touch |
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Temperature Display Mode : Touch/LED Temperature Display Mode |
Touch/LED |
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Timer : 0–9999 min Timer |
0–9999 min |
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Operation Function : Constant temp or program Operation Function |
Constant temp or program |
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Additional Function : Start/stop button; sensor alarm; overshoot setting; correction Additional Function |
Start/stop button; sensor alarm; overshoot setting; correction |
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Sensor : B-type Sensor |
B-type |
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Safety Device : Overtemperature; leakage; door-opening protection Safety Device |
Overtemperature; leakage; door-opening protection |
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Chamber Size (mm) : 300×200×200 Chamber Size (mm) |
300×200×200 |
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Exterior Size (mm) : 750×865×1150 Exterior Size (mm) |
750×865×1150 |
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Packing Size (mm) : 910×1045×1360 Packing Size (mm) |
910×1045×1360 |
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NW/GW (kg) : 150/170 NW/GW (kg) |
150/170 |
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Optional Type : 485 Communication; USB storage Optional Type |
485 Communication; USB storage |
Volume : 4 L
Voltage: AC 220V 50Hz / 240V 60Hz
Timer: 0–9999 min
Temperature Setting Mode: Touch
Volume : 12 L
Timer: 0–9999 min
Temperature Setting Mode: Touch
Temperature Resolution : 1℃
Volume : 20 L
Timer: 0–9999 min
Temperature Setting Mode: Touch
Temperature Resolution : 1℃
Volume : 36 L
Timer: 0–9999 min
Temperature Setting Mode: Touch
Temperature Resolution : 1℃
Timer: Standard: 0–9999 min; P Type: 0–99 h 59 min; PL Type: 0–9999 min
Temperature Rise Time: ≤140 min
Temperature Resolution Ratio: 1°C
Temperature Range: 1700°C
Temperature Sensor: B-Type Thermocouple
Temperature Control: 50-Segment Programmable Digital PID Controller
Temperature Accuracy: ±1 °C
Technical Specifications:
Temperature Sensor: B-Type Thermocouple
Temperature Control: 50-Segment Programmable Digital PID Controller
Temperature Accuracy: ±1 °C
Technical Specifications:
Temperature Sensor: Thermocouple
Temperature Controller: Digital PID Controller
Temperature Control Accuracy: ±1°C
Safety Protection: Over-Temperature Protection
Time from Room Temp. to Max Temp. (min): 60
Temperature Setting Mode: Touch four keys
Temperature Resolution: 1°C
Temperature Fluctuation: ±5°C
Time from Room Temp. to Max Temp. (min): 70
Temperature Setting Mode: Touch four keys
Temperature Resolution: 1°C
Temperature Fluctuation: ±5°C
Time from Room Temp. to Max Temp. (min): 75
Temperature Setting Mode: Touch four keys
Temperature Resolution: 1°C
Temperature Fluctuation: ±5°C
Weight: 130 – 150 kg
Voltage: 110 V
Time to Max Temperature: 30 – 50 minutes
Thermocouple Type: Type K
Timing: 0–999 hours
Temperature Rising Time: 60±5 minutes
Temperature Resolution: 1°C
Temperature Controller: Touch Screen
Time from Room Temp. to Max Temp. (min): 80
Temperature Setting Mode: Touch four keys
Temperature Resolution: 1°C
Temperature Fluctuation: ±5°C
Time from Room Temp. to Max Temp. (min): 80
Temperature Setting Mode: Touch four keys
Temperature Resolution: 1°C
Temperature Fluctuation: ±5°C
Time from Room Temp. to Max Temp. (min): 80
Temperature Setting Mode: Touch four keys
Temperature Resolution: 1°C
Temperature Fluctuation: ±5°C
Timer: 0–99 h 59 min (programmable timing)
Temperature Setting: Touch button setting
Temperature Resolution: 1°C
Temperature Range: 100°C – 1200°C
Voltage: AC 220V 50Hz
Thermocouple: Type N
Temperature Accuracy: ±1°C
Structure: Bench-top, front loading
Working Temperature: 1100°C, 24/7
Thermocouple: Type N
Thermal Parameters:
Temperature Uniformity: ±5°C
Volume: 4L
Timer : 0–9999 min
Temperature Setting Mode : Touch
Temperature Resolution : 1℃
Volume : 12L
Timer: 0–9999 min
Temperature Setting Mode: Touch
Temperature Resolution : 1℃
Volume : 20 L
Timer: 0–9999 min
Temperature Setting Mode: Touch
Temperature Resolution : 1℃
Volume : 36 L
Timer: 0–9999 min
Temperature Setting Mode: Touch
Temperature Resolution : 1℃
Voltage: AC 220V, 50HZ
Thermocouple: Type K
Temperature control accuracy: ±1℃
Safety protection features: Protection for temperature deviation, over-temperature warning, phase-loss warning, and over-flow protection
Voltage: AC 220V, 50HZ
Thermo couple: Type K
Temperature control accuracy: ±1℃
Safety protection features: Protection for temperature deviation, over-temperature warning, phase-loss warning, and over-flow protection
Voltage: AC 220V, 50HZ
Thermo couple: Type K
Temperature control accuracy: ±1℃
Safety protection features: Protection for temperature deviation, over-temperature warning, phase-loss warning, and over-flow protection
Voltage: AC 220V, 50HZ
Thermo couple: Type K
Temperature control accuracy: ±1℃
Safety protection features: Protection for temperature deviation, over-temperature warning, phase-loss warning, and over-flow protection
Thermal Insulation: External Surface Temperature < 45°C
Temperature Accuracy: ±5°C
Standard Working Temperature: 538°C
Secondary Combustion Chamber Temperature: 900°C
Weight Monitoring: Continuous Electronic Balance Monitoring
Test Accuracy: ±0.11%
Temperature Control: Programmable Automatic Control
Sample Mass Capacity: Standard: 1200–1800 g; Maximum: 5000 g
Working Temperature: 1600°C, 24/7
Thermocouple: B Type
Temperature Uniformity: ±5°C
Temperature Measurement: Single-Point
