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Fluidized Bed Furnace w/ 1.7MHz Ultrasonic Atomizer for Preparing Core-Shell Particles - OTF-1200X-S-FBUS
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Item Number: OTF-1200X-S-FBUS
Transported by LTL Freight (Truck)
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OTF-1200X-S-FBUS is a UL/CSA-ready Fluidized Bed Vertical Furnace with an Ultrasonic atomizer for powder CVD ( FBCVD)applications. It consists a vertically positioned cylindrical heating chamber that surrounds the quartz tube with a built-in filter right in the lower middle section of the central heating zone. Its filter is a porous (15~40 microns) quartz frit that allows the controlled gas flow to pass through and float the particles on a cushion of the gas stream where the interaction between the solid and gaseous and liquid materials takes place. This is an ideal tool for core-shell structure nano-powder formation.
SPECIFICATIONS:
Fluidized Zone
 
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Note: The gas is passed upward through the fluidized bed at a high enough velocity to lift the particles. However, particles may be swept away from the tube chamber entirely if the velocity is set too high. Depending on the particle size, you may want to adjust the gas pressure and flow rate until particles are lifted and move turbulently inside of the tube.
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- 1.7MHz ultra-high frequency Ultrasonic Generator can generate sub-micron solution particles
- Fluoropolymer-coated liquid container and Fluoropolymer sealing gaskets
- external Fluoropolymer optical sensor and valve for keeping the liquid level to the correct height and preventing damage to the nebulizing element, should the unit run dry.
- Ultrasonic power programmable,0~100%, 5% increment.
- 304 Stainless Steel T-piece (1.5'' sanitary fitting) with 1/4'' tube fitting adapters enables the use of carrier gas.
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Quartz Frit
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Frits with forced convection design can trap the particles within the central heating area
- Frit: 15~40 microns porous, 22mm O.D x 4mm thick

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| Furnace Casing |
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Power
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1200W
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Voltage
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AC 110V or 220V Single Phase, 50/60 Hz
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Max. Temperature
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1100oC
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Continuous Temperature
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1000oC
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Max. Heating Rate
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<= 20 oC /min
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Tube Size and Materials

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- One quartz tube is included. Main tube with bottom frit and enlarged space for particle processing
- Two Ends: 25mm O.D, 22mm I.D; Central: 50mm O.D, 44mm I.D, for detailed size, please refer to the picture below.
- Central enlarged area ensures high aerodynamic performance
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Sealing Flanges

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- Bottom flange: Regular designed 1'' bottom flange with 1/4'' tube fitting for introducing primary gas
- Top Flange: Special designed 1'' top flange with backstreaming secondary (precursor) gas inlet and exhaust, please click the picture below for detail
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Options
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- Das delivery may be needed for gas control
- Oxygen Monitoring: An Oxygen Sensor can be used to monitor the oxygen level of gas(es) used in CVD systems for preventing or reducing oxidation. Please click the picture below to learn more:
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Heating Zone Length
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200mm (single zone)
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| Constant Heating Zone |
100mm (+/-2oC) |
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Temperature Controller

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- 30 programmable segments for precise control of heating rate, cooling rate, and dwell time.
- Built-in PID Auto-Tune function with overheating & broken thermocouple protection.
- Over temperature protection and alarm allow for operation without attendant(s).
- +/- 1 ºC temperature accuracy.
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| Heating Elements |
Fe-Cr-Al Alloy doped by Mo
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Fitting Ports
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1/4'' Tube Fittings were installed on both sides of the flange for standard connection to the gas supplier |
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Dimensions
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340mm×300mm×1000mm ( W x L x H)
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Net Weight
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~20 Kg (excluding mobile cart)
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Shipping Weight
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200 lbs
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Warranty
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One-year limited warranty (Consumable parts such as heating elements, processing tubes, and o-rings are not covered by the warranty, please order the replacement at related products below.)
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Compliance
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- CE Certified
- The furnace is ready to pass TUV(UL61010) or CSA certification at extra cost. ( please click marks below to learn details )

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Warning
 Click here to learn the installation of a gas regulator
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- Tube furnaces with quartz tubes are designed for use under low positive pressure < 0.2 bars / 3 psi / 0.02 Mpa
- The flow rate for gasses should be limited to < 200 SCCM (or 200 ml/min) to reduce thermal shocks to the tube
- Attention: A two-stage pressure regulator must be installed on the gas cylinder to limit the pressure to below 3 PSI for safe operation. Click here to learn about the installation of a gas regulator.
- Vacuum limit definition for all quartz tube furnaces: * Vacuum pressures may only be safely used up to 1000°C
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Operation Instructions
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Sale Price: Starting at USD$998.00
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