Muffle furnaces with flap or lift door
The muffle furnaces L 1/12 - LT 40/12 are the right choice for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. The muffle furnaces come equipped with either a flap door or lift door.
Tmax 1100 °C or 1200 °C.
Heating from two sides by ceramic heating plates (heating from three sides for muffle furnaces L 24/11 - LT 40/12).
Ceramic heating plates with integral heating element which is safeguarded against fumes and splashing, and easy to replace.
Optional flap door (L) which can be used as work platform or lift door (LT) with hot surface facing away from the operator.
Adjustable air inlet integrated in door.
Exhaust air outlet in rear wall of furnace.
Solid state relays provide for low-noise operation.
Additional equipment:
Chimney (with or without fan) or catalytic converter (not for L 1).
Over-temperature limiter with adjustable cutout temperature.
Protective gas connection to purge with non-flammable protective or reaction gases (not available in combination with chimney, chimney with fan or catalytic converter).
Observation hole in the door.
Manual or automatic gas supply system.
Process control and documentation via VCD software package for monitoring, documentation and control.
Model Flap Door | Model Lift Door | Tmax, °C | Inner width, mm | Inner depth, mm | Inner height, mm | Volume, l | Minutes to Tmax | ||
L 3/11 | LT 3/11 | 1100 | 160 | 140 | 100 | 3 | 60 | ||
L 5/11 | LT 5/11 | 1100 | 200 | 170 | 130 | 5 | 60 | ||
L 9/11 | LT 9/11 | 1100 | 230 | 240 | 170 | 9 | 75 | ||
L 15/11 | LT 15/11 | 1100 | 230 | 340 | 170 | 15 | 95 | ||
L 24/11 | LT 24/11 | 1100 | 280 | 340 | 250 | 24 | 95 | ||
L 40/11 | LT 40/11 | 1100 | 320 | 490 | 250 | 40 | 95 | ||
L 1/12 | - | 1200 | 90 | 115 | 110 | 1 | 25 | ||
L 3/12 | LT 3/12 | 1200 | 160 | 140 | 100 | 3 | 75 | ||
L 5/12 | LT 5/12 | 1200 | 200 | 170 | 130 | 5 | 75 | ||
L 9/12 | LT 9/12 | 1200 | 230 | 240 | 170 | 9 | 90 | ||
L 15/12 | LT 15/12 | 1200 | 230 | 340 | 170 | 15 | 110 | ||
L 24/12 | LT 24/12 | 1200 | 280 | 340 | 250 | 24 | 110 | ||
L 40/12 | LT 40/12 | 1200 | 320 | 490 | 250 | 40 | 110 |
There are two types of controllers available for muffle furnaces - B410 or C450.
Functionality of Controllers | B410 | C450 |
Number of programms | 5 | 10 |
Segments | 4 | 20 |
Extra functions maximum | 2 | 2 |
Maximum number of control zones | 1 | 1 |
Drive of manual zone regulation | ✓ | ✓ |
Real-time clock | ✓ | ✓ |
Plain, blue-white LC-display | ✓ | ✓ |
Status messages in clear text | ✓ | ✓ |
Data input via jog dial and buttons | ✓ | ✓ |
Program entry in steps of 1 °C or 1 min. | ✓ | ✓ |
Recording of process data with USB-flash drive | ✓ | ✓ |
Interface for VCD software | ✓ | ✓ |