model item	unit	SIF1200	SIF1400
Maximum height	mm	9500	11085
Hot zone size		26-32”	28-32”
Maximum storage crystal length of the crystal cavity	mm	3500	4700
Storage crystal cavity + top cover maximum crystal length	mm	4500	5700
Furnace lifting height	mm	10000	11585
Average speed	mm/min	1.45	1.45
Charge amount	kg	300-1100	400-1200
Main furnace chamber size	mm	耳1200*1085	耳1400*1200
subsidiary furnace chamber size	mm	耳310*4300	耳350*5500
Seed crystal fast range	mm/min	1-550	1-550
Seed crystal range of rotation	r/min	0-30	0-30
crucible lifting speed range	mm/min	0.01-1	0.01-1
crucible fast range	mm/min	1-150	1-150
Seed crystal upgrade effective travel	mm	6000-6500	7500
Crucib lift effective travel	mm	500	500
Seed crystal Weighing	kg	500-1200kgㄗ4mm tungstenㄘ	500-1200kgㄗ4mm tungstenㄘ