Qty: 1 – Bridgman Crystal Growth Furnace (no alternates): The following are the required specifications. 1. Swing-open furnace chamber for fast and easy tube access 2. Digital multi-segment automatic hoisting control 3. High precision Eurotherm 3504 PID controller provides optimum thermal process with minimal overshoot 4. Built-in computer interface 5. Durable type K thermocouple 6. Additional thermocouple and Eurotherm temperature display 7. Automatic hoisting limit switch 8. Overheat protection shuts down the furnace if the temperature is outside of the acceptable range (refer to controller's manual) or when the thermocouple is broken or malfunctions. 9. Power failure protection resumes furnace operation right after the point of failure when power is reestablished. 10. Electrical requirements: 208-240V, 50/60Hz, single phase, 5.2 KW 11. Maximum working temperature: 1700 °C (2 hours max continuous run time) 12. Maximum constant working temperature: 1600°C 13. Minimum working temperature: Ambient 14. Heating element type: Kanthal (Sweden) A1 2.0 resistance coil wire 15. Thermocouple type B 16. Refractory lining: Mitsubishi ( Japan ) high quality 1500 grade fiber alumina 17. Temperature controller: Eurotherm 3504 (UK) digital 50-segment PID controller 18. Additional thermocouple and temp display: Eurotherm 19. Unit dimensions: 40" x 20" x 70" (LxWxH) 20. Unit weight: 500 lbs 21. Maximum heating rate: < 30°C / minute 22. Heating zone length: 6 + 6 + 6 inches, 3 zones 23. Temperature controller precision: ± 1°C 24. Automatic hoisting control: a. 0.1-2000 um/second (adjustable) b. 0-200 mm range (adjustable) c. Built-in limit switch d. Multi-segment settings (each segment has its own time/speed) 25. Compliance: UL and CSA (Optional), CE (Standard) 26. 3-Zone calibration certification 27. Warranty: 1 year Qty: 1 – Vacuum Pump: (Basis of specification: Across International SuperVac Vacuum Pump, Part No. SV11C-UL.115) 1. Electrical requirements: 115V 60Hz or 230V 50/60Hz, single phase, 1,100 watts 2. Pumping rate: 11.3 cfm (115V 60Hz), 9.3 cfm (230V 50/60Hz) 3. Ultimate vacuum without gas ballast: 0.3 micron/millitorr 4. Ultimate vacuum with gas ballast: 6 micron/millitorr 5. Inlet/outlet connection: KF25/NW25 flange 6. Oil volume: 1.5 liter / 1.59 quart 7. Motor rate: 1715 rpm (at 60Hz) or 1440 rpm (at 50Hz) 8. Working temperature: 5 to 40°C 9. Unit/shipping dimensions (LxWxH): 21x7.5x12" / 36x10x17" 10. Unit/shipping weight: 72 Lb / 90 Lb 11. Recommended oil: Ultra-grade 19 12. Noise level: < 58 dB 13. Warranty: Two years 14. Compliance: UL (E500328), CE, UL Certification NOT available for the 230V model
