Furnace Structure
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- A double-layer steel casing with air cooling keeps furnace surface temperature lower than 60°C.
- High purity fibrous alumina insulation for maximum energy saving.
- The special refractory coating on the liner and heating element increases furnace life.
- Split cover with Interlock protection, cut the power if the door opens during furnace heating process.
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| Voltage and Power |
- Input voltage 208 - 240VAC Single Phase, 50/60Hz
3KW, Circuit breaker 20A
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Heating Temperature |
- Fe-Cr-Al Alloy doped by Mo
- Max. heating temperature: 1200°C ( inert gas must be filled inside the tube to resist deformation)
- Vacuum heating temperature: 1000°C under vacuum
- Heating rate: 20°C /min Ma
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Thermal Couples: K type 220mm (8.7") Length with Ceramic Sheath, please click the link to order spare.
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| Heating Zone |
- Total heating zone length: 440mm (~ 18")
- Constant temperature zone: 150mm (+/2°C)
- Temperature uniformity:
- +/- 10°C @ 1000°C in the center 320mm area
- +/- 5°C @ 1000°C in the center 220mm area
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Temperature Controller
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- 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
- The software for PC software is included
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Temperature controller (optional)
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- The temperature controller can be graded to the Eurotherm 3000 Temperature Controller with +/- 0.1°C accuracies. This package includes a Eurotherm 3004 programmer, a communication cable (RS485 - USB), and a software CD. Click the pic below to view the full specs
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| Fused Quartz Tube Size |
OTF-1200X-60
60 O.Dx55 I.Dx1000 mm L
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OTF-1200X-75
76 O.Dx70 I.Dx1000 mm L
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OTF-1200X-80
80 O.Dx74 I.Dx1000mm L
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OTF-1200X-100
101 O.Dx92 I.Dx 1000mm L
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| Refractory Blocks |
- Two fibrous ceramic tube blocks are included for blocking heat radiation from the inside tube. (Ceramic blocks must be fully inserted into the furnace chamber before heating)
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Quartz blocks (optional) are ideal for cleaner processing and higher vacuum efficiency.
- You may order flange support to avoid tube rotating ( click Pic below right )
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Vacuum Flange
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- One pair of SS 304 vacuum flange is included
- Left flange:
- one thermal feedthrough (for 1/4O.D sheathed thermocouple)
- one needle valve
- one mechanical vacuum gauge -0.1Mpa to 0.15Mpa
- one barb fitting ( click PiC, below left-2 for detail)
- Right flange:
- one KF-25 vacuum port and one needle valve.
- Optional
- An anti-Corrosive gas-type independent (above 10mbar) digital vacuum gauge with a wide range between 3.8x10-5 to 1125 Torr is optional. Aside from greater measurement precision, this gauge reduces the risks of chamber explosions caused by the incorrect reading of gas pressures due to gas-type dependency.
- The flange with quartz window is available for in-situ Raman or Mossbauer analysis
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Vacuum Pressure
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- 10E-2 torr by a quality mechanical vacuum pump
- 10E-5 torr by the turbopump.
- The vacuum pump is optional. Please click here to choose a vacuum pump.
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Product Dimensions
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 600mm(L) ×440mm(W) × 550mm(H)
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| Net Weight |
40kg |
| Shipping Dimensions |
45"(L) x 45"(W) x 42"(H) |
| Shipping Weight |
200lbs |
| Warranty |
One-year limited warranty with lifetime support (Consumable parts such as processing tubes, O-rings are not covered by the warranty, please order replacements at related products below.) |
| Compliance |
- CE Certificate
- NRTL or CSA certification is available upon request and at an extra cost
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Application Notes
Click here to learn the installation of a gas regulator
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- Tube furnaces with quartz tubes are designed for use under vacuum and low pressure < 0.2 bars / 3 psi / 0.02 MPa. Vacuum pressures may only be safely used up to 1000°CThe flow rate for gasses should be limited to<200 SCCM (or 200ml/min)
- The heating module is consumable. Please click picture 1cto order a replacement.
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The automatic vacuum-sealed sliding device is available for fast heating and cooling ( Pic. 2)
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 Pic. 1 Pic.2
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| Instruction |
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600mm(L) ×440mm(W) × 550mm(H)
