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Furnace Structure
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Double layer steel structure with dual air cooling fans
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One pair of sliding rails is installed on bottom of furnace, which allows furnace to be manually moved from side to side
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Vacuum flanges and a vacuum gauge are installed for immediate use.
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Power
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1.5 KW
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Voltage
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Furnace: AC 208V~240V Single Phase, 50/60 Hz
Sliding Mechanism: AC 208V~240V Single Phase, 50/60 Hz
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Max. Temperature
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1200°C (<1 hour) with flowing gas
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Continuous Temperature
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1100°C
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Heating& Cooling Rates
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Heating Rate:
15°C/sec (RT - 150°C);
10°C/sec (150°C - 250°C);
7°C/sec (250°C - 350°C);
4°C/sec (350°C - 500°C);
3°C/sec (500°C - 550°C);
2°C/sec (550°C - 650°C);
1°C/sec (650°C - 800°C);
0.5°C/sec (800°C - 1000°C);
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Cooling Rate:
15°C/sec (1000 - 950°C);
10°C/sec (950°C - 900°C);
7°C/sec (900°C - 850°C);
4°C/sec (850°C - 750°C);
2°C/sec (750°C - 600°C);
1.5°C/sec (600°C - 500°C);
1°C/sec (500°C - 400°C);
0.5°C/sec (400°C - 300°C);
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Note: The max heating and cooling rate is achieved by pre-heat one side of processing tube to the target temperature and then slide the furnace to the other side. You may choose to place the sample in the pre-heat area or not.
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Heating Zone Length
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8" (200mm), single zone. The following picture shows the temp. distribution across the heating zone, please click to enlarge.
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Constant Temperature Zone
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2.3" (60mm) (+/-1°C) @ 1000 °C
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Heating Elements
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Fe-Cr-Al Alloy doped by Mo
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Processing Tube
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High purity fused quartz tube
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Size: OD: 2" x ID: 1.8." x Length: 39" (inch) (50 mm OD x 46mm ID x 1000 mm L）
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Two foam ceramic blocks are included which must be placed inside tube to avoid heat radiation damaging the O-rings
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Temperature Controller
& Sliding Control
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30 programmable segments for precise control of heating rate, cooling rate and dwell time.
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Built-in over temperature alarm and protection allows for operation without an attendant.
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K-type thermal couple is built in furnace to control furnace temperature
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Optional:
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The furnace may be operated by PC by installing a control module. Please order an MTS-02 control module and computer together with the furnace at extra cost. We recommend you to order a computer (laptop) from us to avoid software installation problems.
 
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Temperature Accuracy
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+/ - 1°C
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Vacuum Flanges
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Vacuum sealed flange with SS needle valves and vacuum gauge is included for immediate use
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Option: Vacuum Sealing Assembly for 50 mm Dia Tube Furnace with KF-25 Vacuum Port & 1/4 Feedthrough with Digital Gauge are available with extra cost
 
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Vacuum Level
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Limited by pump ( pump is not included, click on pictures to order )
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10E-5 torr can be reached by molecular pump
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10E-2 torr by a mechanical pump.
 
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Sliding Rails / Table
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Double sliding rail made by Cr-plated steel
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Sliding length: 1200 mm
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Dimensions
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1200L x 400 W x 500 H, mm
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Net Weight
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90 kg
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Shipping Package Size
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51" x 40"x 36"
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Shipping Weight
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230 lbs
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Warranty
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Two years 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)
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Brand new laptop with Microsoft Window 10 and Microsoft Office 2013 (30 days free trial) for immediate use.
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Labview Based Temperature Control System enables user to edit temperature profile, manage heat-treatment recipe, record and plot data for MTI furnaces.
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A wireless remote control provides up to 300 meters operating range.
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Above features are available upon request at an extra cost (up to $1,000). Please contact us for more information.
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Note: The software is only compatible with MTI’s Yudian Temperature Controller
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Compliance
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CE Certified
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All electric components ( >24V) are UL / MET / CSA certified
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The furnace is ready to pass TUV(UL61010) or CSA certification at extra cost.
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Application Notes
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Tube furnaces with quartz tubes are designed for using under vacuum and low pressure < 0.2 bars / 3 psi / 0.02 MPa
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Attention: A two-stage pressure regulator must be installed on the gas cylinder to limit the pressure to below 3 PSI for safe operation.
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The flow rate for gasses should be limited to < 200 SCCM (or 200 ml/min) for reducing thermal shocks to the tube
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Vacuum limit definition for all quartz tube furnaces: * Vacuum pressures may only be safely used up to 1000°C
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Click here to learn How to set up quartz/ ceramic tube and vacuum flange for MTI Tube furnace.
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If you need faster cooling please click the picture below to order a Portable Spot Air Cooling Conditioner .
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After CVD, the graphene must be transferred from the metal catalyst to another substrate for most applications. By using the graphene transfer tape, the residue can be low.
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For Horizontal directional crystalization (HDC), you may use a gas feedtrough as pic below right.
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Warning
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Fast sample cooling can be achieved by sliding the heating chamber away. Please wear protective gears such as heat resistant suit & gloves if you intend to do so.
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DO NOT TOUCH THE TUBE SURFACE WHEN IT IS HOT!
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Subscribe to us
ONLINE
Louis@lithmachine.com
+0086 15959378975
