Crucible Furnaces

Benefits

• Insulation and heating element delivers optimal chamber uniformity
• Fast heat-up and recovery time
• Energy efficient and durable design
• Work load can be conveniently raised and lowered with safety
• Easy, replaceable individual elements
• Thermal shock resistant and rapid cycling durability

Features

• Dual access chamber permitting top or bottom loading
• In air or protective inert atmosphere in bottom loading
• Molybdenum disilicide heating elements
• Forced-air blowers
• Double-wall crucible cabinet
• Type "B" thermocouples
• Holdback feature that allows process to catch up to set temperature value
• Self-tuning PID setting feature for thermal process
• High limit overtemperature protection
• RS232 data port (communications card and port) for connection to remote computer
• Programmable PID based control Œ four 16-segment programs

Performance

• Temperature

  • 1700°C (3092°F) Maximum

• Crucible Size

  • 6.5"(Top Vestibule ID) x 5"(Bottom Vestibule ID) x 6.5"(Heated Depth)

Controller

• Available controllers: Models CC59256PCOMC and CC59256PBCOMC

Options

• Computer communications software

• Overtemperature control (Option B) (OTC)

• Adjustable digital overtemperature control

• Protects furnace and load in event of circuit failure

• Overrides main controller, assumes temperature control and shuts off power to furnace if high limit is reached

• Manual reset for safety

• Operates via signal from independent thermocouple

• Processing Options

  • Can be used for atmosphere processing using an inverted ceramic crucible over the load forming a muffle
    Inert gas is supplied through inlet and outlet tubes (customer supplied)
  • Gas flow is controlled via an adjustable N2 flowmeter, included

• Vertical tube adapter kit

  • Creates a 1700°C tube furnace with air or inert atmosphere control using the Model CF56724C crucible furnace as the heating source
    
  • Kits are selected based on intended process tube size
    • Includes: 2 tube vestibules
    • 2 tube insulating sleeves
    • Cover plate and outlet plugs