Alumina Tube | (click underlined for specs) |
Furnace Structure
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• Splitable Design provides easy access to the tube replacement- • Double layer steel casing with air cooling to ensure a low surface temperature < 60°C.
- • High purity fibrous alumina insulation for Max. energy saving.
- • The special refractory coating on the furnace liner and heating element to increase furnace life.
- • Two sets of fibrous ceramic tube blocks are included for blocking heat radiation from inside
the tube. (Ceramic blocks must be fully inserted into the furnace chamber before heating)
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Input Voltage
| 208 - 240VAC SINGLE PHASE, 50/60Hz |
| Power | 7 KW (40A Breaker) |
| Heating Temperatures |
• Max. heating temperature: 1700°C, < 10 minutes
(N2 or other inert gas must be filled inside the tube to resist deformation)- • Continuously working temperature: 1500°C (1600°C < 1hr)
- • Heating rate: 10°C /min Max.
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Heating Zone
| - • Total heating zone length: 400mm
- • Constant temperature zone: 140mm (+/-1°C）
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Heating Elements
| - • 16 pcs MoSi2 1800 grade Heating Element.
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Temperature Controller
Temperature controller interface
Optional PC control module
Optional Eurotherm 3204 |
Standard temperature controller:
- • Proportional–integral–derivative control (PID control) and auto-tune function
- • 30 segments programmed with ramping, cooling and dwelling steps
- • Built-in over-temperature alarm and thermocouple failure alarm
- • +/- 1 ºC temperature control accuracy
- • Default DB9 PC communication port (PC control module and software are sold separately.
See optional.
Optional:
- • MTS-02 PC control module (also including cable and software) is an add-on option
for PC control. - º It is recommended to purchase the module together with the furnace. We install
and test it before shipping. - º It is recommended to purchase the laptop (with software pre-installed) from us to
avoid software confliction. - º Please note the module is not sold solely in the future.
- • Eurotherm 3204 Temperature Controller is optional for additional $950 including installation
and testing. This package also includes the communication cable (RS485 - USB) and
software CD. Click here to view the full spec.
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| Vacuum Sealing |    
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Vacuum Levels
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• 10^-2 torr by mechanical vacuum pump.- • 10^-5 torr by molecular pump.
- • Leak rate < 5 mtorr / min.
 
Vacuum pump is not included, please order separately at related products section
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| Power Cable & Plug |
• 10 feet length 10-3 AWG heavy duty UL approved power cable is included. Extra length
cable can be ordered by click picture below-left- • The plug is not included. Browse our catalog for compatible plugs or obtain one from a local
hardware store.
 
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Product Dimensions
| 1000 L × 610 W × 750 H mm |
Net Weight
| 150 Kg
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Shipping Dimensions
| 50 x 30 x 35 inch
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Shipping Weight
| 450 lbs
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Warranty
| One year limited manufacturer's warranty (consumable parts such as processing tubes, O-rings and heating elements are not covered by the warranty, please order replacements at related products below).
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| Laptop, software & WiFi Control (Optional) | |
Compliance
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• CE Certified- • All electric components ( >24V) are UL / MET / CSA certified
- • The furnace is ready to pass TUV(UL61010) or CSA certification at extra cost.
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      (click mark to learn what is )
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Application Notes
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Warnings
Click here to learn more about the installation of a gas regulator
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• NEVER open the furnace lid at temperature >100°C, doing so may thermoshock the
processing tube and cause cracks. - • The tube furnaces with alumina tube are designed for using under vacuum and low pressure
< 0.02 MPa / 0.2 Bar/ 3 PSI - • Never use graphite crucible in alumina tube.
- • Attention: A two stage pressure regulator must be installed on gas cylinder to limit
the-the pressure to below 3 PSI for safe operation.
Click here to learn the installation of a gas regulator. - • Never heat the furnace while the gas release valve is closed and a positive pressure condition
exists within the furnace chamber. The pressure gauge must be used to closely monitor the
chamber condition at all times during the heating process; please open the gas release valve
immediately once the chamber pressure has reached over 3 PSI to prevent unforseeable
damages. - • .The flow rate for gases should be limited to < 200 SCCM ( or 200ml/min )
- • Vacuum limit definition for all alumina tube furnaces: * Vacuum pressures may only be
safely used up to 1500°C
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| Operation Instructions |
 ( Heating elemen instalation ) 
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