Муфельные печи до 1100 °C или 1200 °C

Муфельные печи поставляются с откидной либо подъемной дверцей (по выбору) и без наценки.

Управление процессами

Функции и оборудование

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The muffle furnaces L 3/11 - LT 60/12 have been proven 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.

Standard Equipment

  • 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 60/12) for an optimal temperature uniformity
  • Temperature uniformity of +/− 5 K with closed fresh-air inlet in empty work space according to DIN 17052-1 at working temperatures above 800 °C
  • Thermocouple type N (1100 °C) or type S (1200 °C)
  • Ceramic heating plates with integral heating element which is safeguarded 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
  • Dual shell ventilated housing made of textured stainless steel sheets for low surface temperature and high stability
  • Exclusive use of insulation materials without categorization according to EC Regulation No 1272/2008 (CLP). This explicitly means that alumino silicate wool, also known as “refractory ceramic fiber” (RCF), which is classified and possibly carcinogenic, is not used.
  • Adjustable air inlet integrated in door (see illustration)
  • Exhaust air outlet in rear wall of furnace
  • Controller with touch operation B510 (5 programs with each 4 segments) resp. controller R7 for L 1/12 (adjustable for one temperature)
  • Solid state relays provide for lownoise operation
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Дополнительное оборудование

Additional Equipment

  • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15)
  • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load
  • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight
  • Manual or automatic gas supply system
  • Port for thermocouple in the rear wall or in the furnace door
  • Process control and documentation via VCD software package for monitoring, documentation and control
  • Charging rack with closed or perforated trays for loading the furnace in two levels incl. holder for inserting/removing the trays up to a max. temperature of 800°C and a max. loading weight per layer of 2 kg for the L(T) 9/11 respectively 3 kg for the L(T) 15/11

Спецификации

Model

Tmax

Inner dimensions in mm

Volume

Outer dimensions2 in mm

Temperature uniformity of +/− 5K in the empty workspace5

Max. connected load

Electrical

Weight

Heating time

 

in °C1

w

d

h

in l

W

D

H3

w

d

h

in kW

connection*

in kg

in min4

L(T) 3/11

1100

160

140

100

3

385

330

405+155

110

50

50

1.3

1-phase

21

41

L(T) 5/11

1100

205

170

130

5

385

390

460+205

170

80

80

2.6

1-phase

27

47

L(T) 9/11

1100

235

240

170

9

415

455

515+240

180

150

120

3.3

1-phase

35

63

L(T) 15/11

1100

230

340

170

15

415

555

515+240

180

250

120

3.5

1-phase

43

74

L(T) 24/11

1100

280

340

250

24

490

555

580+320

230

250

200

4.9

3-phase

52

69

L(T) 40/11

1100

320

490

250

40

530

705

580+320

270

400

200

6.5

3-phase

70

80

LT 60/11

1100

380

490

330

60

610

705

660+385

290

360

240

9.8

3-phase

83

150

                

L 1/12

1200

90

115

110

1

290

280

410

40

45

60

1.6

1-phase

15

25

L(T) 3/12

1200

160

140

100

3

385

330

405+155

110

50

50

1.3

1-phase

21

48

L(T) 5/12

1200

205

170

130

5

385

390

460+205

170

80

80

2.6

1-phase

27

59

L(T) 9/12

1200

235

240

170

9

415

455

515+240

180

150

120

3.3

1-phase

35

78

L(T) 15/12

1200

230

340

170

15

415

555

515+240

180

250

120

3.5

1-phase

43

99

L(T) 24/12

1200

280

340

250

24

490

555

580+320

230

250

200

4.9

3-phase

52

82

L(T) 40/12

1200

320

490

250

40

530

705

580+320

270

400

200

6.5

3-phase

70

97

LT 60/12

1200

380

490

330

60

610

705

660+385

290

360

240

9.8

3-phase

83

160

1Recommended working temperature for processes with longer dwell times is 1000 °C (L../11) rsp. 1100 °C (L../12)*Please see page 84 for more information about supply voltage
2External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.
3Including opened lift door (LT models)
4Heating time of the empty and closed furnace up to Tmax −100 K (connected to 230 V 1/N/PE rsp. 400 V 3/N/PE)
5Temperature uniformity of +/− 5 K with closed fresh-air inlet in empty work space according to DIN 17052-1 at working temperatures above 800 °C


 

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