MFLJD-12 series pit type muffle furnace
This furnace is a high-temperature pit furnace up to 1200°C. This series adopts the method of opening the door upward, and the heating element is located around the circle, which is easy to use, stable in performance and high in safety, and can be used for high-temperature sintering, annealing, ashing, etc.
| Product model | MFLJD220-12 | MFLJD330-12 | MFLJD440-12 | MFLJD550-12 | |
| performance | volume(D*W*H)mm | Φ200*200mm | Φ300*300mm | Φ400*400mm | Φ500*500mm |
| Maximum temperature | 1200℃ | ||||
| operation temperature | ≤1100℃ | ||||
| control accuracy | ＜1000 ±0.1℃ ； ≥1000±1℃ | ||||
| Constant temperature fluctuations | ±1℃ | ||||
| Temperature uniformity | ±5℃ | ||||
| Heating rate | ≤20℃/min | ||||
| Furnace surface temperature | ≤60℃ | ||||
| constitute | Box exterior | Cold-rolled steel plate, surface spray treatment | |||
| Furnace material | Alumina polycrystalline fibers | ||||
| sensor | Type K thermocouples | ||||
| Heating elements | HRE alloy resistance wires | ||||
| Furnace structure | Double-shell construction with air cooling system | ||||
| controller | Control mode | PID control | |||
| Set | Digital setting/digital display | ||||
| Run the function | Customized operation/multi-stage program operation temperature rise and fall (50-stage program temperature control) | ||||
| Over-temperature protection | Automatically stop heating when over-temperature or off-couple | ||||
| Additional features | Deviation correction, power failure compensation, key lock function | ||||
| safe | Working environment | RT±5-40℃ | |||
| Guarantee of use | Open the door and power off, over-temperature alarm, leakage protection, over-temperature protection | ||||
| specification | Supply voltage(V) | 220 | 220 | 380 | 380 |
| Maximum power(KW) | 4 | 5 | 8 | 15 | |
| Dimensions(D*W*Hmm) | 400*400*650 | 500*500*750 | 600*600*850 | 700*700*950 | |
| Net weight(KG) | 60 | 80 | 140 | 180 | |
| Packing list | 1 box furnace, 1 pair of high-temperature gloves, 1 crucible pliers, 1 pad brick, 1 manual, 1 warranty card | ||||