Model                Parameter

Lab usage

Production usage

NTI-THL-54W

NTI-THL-243W

NTI-THL-300W

NTI-THL-400W

NTI-THL-720W

NTI-THL-720+NW

Working size

mm

300×300×600

450×450×1200

500×500×1200

500×500×1600

600×600×2000

（600-800）×（600-800）×（2000-4000）

Control process

Thyristor control

Heating type

/

Resistance heating

HT zone capacity

L

54

243

300

400

720

720+N

Loading weight

g

                 HT zone capacity × density (g/cm3)×1000   Remark：1L=1000cm3

Ultimate vacuum

Pa

20

IF power  

Kw

50

105

120

135

189

189-500

Heating zone

Zone

1

3

3

3

3

3-6

Max. working temperature

℃ 

1600

1600

1600

1600

1600

1600

Usual working temperature

℃ 

1500

1500

1500

1500

1500

1500

Temperature unifomity

℃ 

±5

±5

±5

±5

±5

±10

Working environment

/

Vacuum or Ar, N2 atmosphere protection( micro positive pressure)