Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C,
47500 Subang Jaya,
Selangor, Malaysia.
+603-5621 5786
+603-5621 5829

Muffle Furnaces with Flap Door or Lift Door

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Muffle Furnaces with Flap Door or Lift Door Muffle Furnace/Pre-heating Furnace/Ashing Furnace Nabertherm Furnace Laboratory Equipment Facility

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L 1/12 - LT 40/12

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 at no extra charge.

  • 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
  • Only fiber materials are used which are not classified as carcinogenic according to TRGS 905, class 1 or 2
  • Housing made of sheets of textured stainless steel
  • Dual shell housing for low external temperatures and high stability
  • 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 (see illustration)
  • Exhaust air outlet in rear wall of furnace
  • Solid state relays provide for low-noise operation
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Additional equipment

  • Chimney, chimney with fan or catalytic converter (not for L 1)
  • Over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
  • 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 Tmax °C Inner dimensions in mm Volume in l Outer dimensions in mm Connected load kW Electrical connection Weight in kg Minutes to Tmax²
W D H W D H
L 3/11 1100 160 140 100 3 385 330 405 1.2 single-phase 20 60
L 5/11 1100 200 170 130 5 385 390 460 2.4 single-phase 30 60
L 9/11 1100 230 240 170 9 415 455 515 3.0 single-phase 35 75
L 15/11 1100 230 340 170 15 415 555 515 3.5 single-phase 40 95
L 24/11 1100 280 340 250 24 490 555 580 4.5 3-phase 55 95
L 40/11 1100 320 490 250 40 530 705 580 6.0 3-phase 65 95
                         
L 1/12 1200 90 115 110 1 290 280 430 1.5 single-phase 10 25
L 3/12 1200 160 140 100 3 385 330 405 1.2 single-phase 20 75
L 5/12 1200 200 170 130 5 385 390 460 2.4 single-phase 35 75
L 9/12 1200 230 240 170 9 415 450 515 3.0 single-phase 35 90
L 15/12 1200 230 340 170 15 415 555 515 3.5 single-phase 40 110
L 24/12 1200 280 340 250 24 490 555 580 4.5 3-phase 55 110
L 40/12 1200 320 490 250 40 530 705 580 6.0 3-phase 65 110

Model Lift door Tmax °C Inner dimensions in mm Volume in l Outer dimensions in mm Connected load kW Electrical connection Weight in kg Minutes to Tmax²
W D H W D H
LT 3/11 1100 160 140 100 3 385 330 405+155 1.2 single-phase 20 60
LT 5/11 1100 200 170 130 5 385 390 460+205 2.4 single-phase 35 60
LT 9/11 1100 230 240 170 9 415 450 515+240 3.0 single-phase 35 75
LT 15/11 1100 230 340 170 15 415 555 515+240 3.5 single-phase 40 95
LT 24/11 1100 280 340 250 24 490 555 580+320 4.5 3-phase 55 95
LT 40/11 1100 320 490 250 40 530 705 580+320 6.0 3-phase 65 95
                         
LT 3/12 1200 160 140 100 3 385 330 405+155 1.2 single-phase 20 75
LT 5/12 1200 200 170 130 5 385 390 460+205 2.4 single-phase 35 75
LT 9/12 1200 230 240 170 9 415 450 515+240 3.0 single-phase 35 90
LT 15/12 1200 230 340 170 15 415 555 515+240 3.5 single-phase 40 110
LT 24/12 1200 280 340 250 24 490 555 580+320 4.5 3-phase 55 110
LT 40/12 1200 320 490 250 40 530 705 580+320 6.0 3-phase 65 110

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