Power Input |
9KW |
Working Voltage |
AC208 - 240V, Single phase 50/60Hz ( 50 A breaker required) |
Max. Working Temperature |
1500°C |
Continuously Working Temperature |
1400°C |
Recommend Heating rate |
5°C/min. |
Processing Tube |
Material: Mullite ceramic
Size: 84 O.D x 73 I.D x 1219mm L |
Heat Zone Length |
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Eight heating zones: 50 mm / each (Included 20 mm spacing)
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Total heating zone length: 400 mm
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Constant Temperature Zone length: 300mm (If set 8 zone at same temperature) +/- 2ºC.
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Max. Tem[erature gradient: 100 °C/ cm
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Note: Thermal gradient can be adjusted by inserting thermal insulation spacering element between each heat . Please contact our technical support to learn how
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Overall Dimensions |
860 mm L × 380 mmW × 680 mmH |
Temperature Controllers |
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8 channels touch screen temperature controller for esch heating element independently.
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PID automatic control with 30 programmable segments for precise control of heating rate, cooling rate and dwell time in each channel
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Over temperature protection and alarm allows for operation without attendant(s).
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+/- 1 ºC temperature accuracy.
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8 pcs S-type thermocouples (one for each zone).
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RS485 Communications Port to connect Laptop computer to show temperature profile.
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Vacuum Level |
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10E-2 torr by quality mechanical vacuum pump
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10-5 torr by molecular pump
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Thermal Block Placement |
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Two thermal blacks are included . Please picture below tolearn how to place them inside tube
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You may order flange support to avoid tube rotating
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Heating Elements & Thermal couples |
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16 pcs 1500ºC grade Silicon carbide rod (14mm Dia. x 150mm heating x 413mm length)
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The heating element is consumable, Please click the picture below to order spare and replacement.
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3 pcs S type thermal couple built in
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Net Weight |
110 Kg |
Application Notes |
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The tube furnaces with mullite tube are designed for using under vacuum and low pressure < 0.02 Mpa / 0.2 Bar/ 3 PSI
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Never use graphite crucible in alumina tube.
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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 gases should be limited to < 200 SCCM ( or 200ml/min )
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Vacuum limit definition for all mullite tube furnaces: * Vacuum pressures may only be safely used up to 1300°C
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Dimensions |
Furnace only: 35" × 23" × 30" |
Warranty |
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One year limited warranty with lifetime support (consumable parts such as processing tubes, and O-rings are not covered by the warranty, please order replacements at related products below.).
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ATTENTION: Any damages caused by the use of corrosive and acidic gases are not under the coverage of Kejia One Year Limited Warranty.
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