RHF-1400L is a roller table atmosphere furnace with 1500ºC max working temperature and 112-liter capacity ( L80xW40xH35, cm). The furnace is designed for simulating a big continuous kiln to find suitable sintering parameters at a low cost, and it is excellent for making cathode materials and hard carbon for a pilot test of battery research. SPECIFICATIONS Furnace Features Two heating zones ( top and bottom) with a ceramic roller table in the middle to produce rapid heating Heating elements are made of SiC rods with a maximum. 1500ºC working temperature The heating module is placed inside a vacuum chamber for atmosphere control from oxygen to inert gases. 800 mm L heating zone ( 112 Liter capacity ) Dual programmable temperature controllers provide +/-1ºC accuracy Three flowmeters are installed for gas flow control An oxygen analyzer is built in for monitoring oxygen content during processing Power AC 440V (+/-10%) , three-phase, 50/60 Hz ( 380VAC, 3-phase is available upon request ) 35KW max 10-foot power cable included, but without a plug Heating chamber SiC rod as a heating element Heating Zone: L 800 mm x W 400 mm x H 350 mm ( 112 liter capacity ) Constant temperature zone: 660 mm with +/- 5ºC Almina ceramic rods are placed in the middle of the heating chamber to hold the multi-crucibles Max. working temperature: 1300°C max (< 2 hours ) and 1200°C (continuous ) Max heating rate: 10 ºC/ minute Vacuum chamber The heating module is placed into a stainless steel vacuum chamber with KF 40 vacuum port Vacuum gauge Gas inlet and outlet port ( 1/4) Two-hinged types of doors for loading and unloading samples Vacuum level: 10-1 torr for the use of oxygen, and 10-2 torr for the use of inert gases Positive pressure: < 0.5 bar Temperature Control Two temperature controllers for controlling two zones independently via SCR PID automatic control with up to 30 programmable segments for precise control of heating rate, cooling rate, and dwell time. Over-temperature protection and alarm allow for operation without an attendant. Two S-type thermal couples are included ± 1 ºC temperature accuracy for dwelling. RS-485 Communications Port. Crucibles (optional) Four Alumina Saggar ( 330x330 x120 mm ) can be placed inside the furnace Each alumina sagger can handle 20 kg of NMC powder, and 80 kg of powder can be sintered per batch 24 small alumina saggers (140x140x66 mm) can be placed via two rows x 3 layers ( 4x2x3 ) Each alumina sagger can handle 2 kg of NMC or hard carbon precurser powder, and 48 kg per batch Space required 3 x3 meter Compliance CE Certified NRTL(UL61010) or CSA certification is available upon request at extra cost.
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