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1200℃ Single-Zone Vertical Tube Furnace

  • Model Number:

    TMAX-1200VTF
  • Compliance:

    CE certificate
  • Warranty:

    Two years limited warranty with lifetime technical support
  • Payment:

    T/T, Credit Card, Paypal, LC, Western Union
  • Delivery Time:

    2 days
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DESCRIPTION

1200℃ Single-Zone Vertical Tube Furnace


A.Overview

This tube furnace uses resistance wire (Swedish Canthal A1) as heating element, double-layer shell structure and 30-stage program temperature control system, phase shift triggering, thyristor control, and furnace polycrystalline fiber material. It has the advantages of temperature field balance, low surface temperature, fast temperature rise and fall, energy saving, etc. It is an ideal product for high-temperature atmosphere sintering, atmosphere reduction, CVD experiment and vacuum annealing in universities, research institutes and industrial and mining enterprises.

 

B.Specification

Type

VTL1200-I

VTL1200-II

VTL1200-Ⅲ

Power

3.5KW

3.5KW

3.5KW

Tube size (OD, mm)

Dia60 X1000

 Dia80X1000

Dia100X1000

Dimension(L*D*H)

495*370*1070

545*420*1070

545*420*1070

Supply voltage

220V

Phase

Single phase

Heating element

Domestic high-quality resistance wire (optional Kanthal A1 imported resistance wire)

Temperature control

 

UAV  program temperature control instrument (standard)

1.30 - stage program temperature control intelligent PID adjustment.

2.With over-temperature protection, the electric furnace heating circuit is automatically cut off when the temperature is over-temperature or broken, (when the electric furnace temperature exceeds 1200degrees or the thermocouple is blown, the AC relay on the main circuit will be automatically disconnected, the main circuit is broken. On, the ON light on the panel is off, the OFF light is on, and the limited protection electric furnace).

3. With 485 communication interface (standard when purchasing software)

4. With power-off protection function, that is, when the power is turned on after the power is turned off, the program does not start from the starting temperature, but the furnace temperature rises from the time of power failure.

5. The meter has the function of temperature self-tuning

tube furnace


If you want to get an imported temperature controller, you may have the following choices for replacement with extra fees.

tube furnace 


Tube Furnace Materials

1. High-quality and high-purity alumina polycrystalline fiber curing furnace formed by vacuum suction filtration.

2. It is formed by Japanese technology, no slag drop, and good heat preservation.

3. The spacing and pitch of the resistance wires in the furnace are all arranged according to the best thermal technology in Japan, and the temperature field is simulated by thermal software

Valve and flange

tube furnace 

Control accuracy

 +/- 1 ℃

Trigger

Phase-shifted trigger

Electric appliance

Zhejiang chint

Silicon controlled

106/16E SEMIKRON

Maximum temperature

1200℃

Rated temperature

1100℃

Heating rate

≤30 ℃/ Min (it can be modified as required)

Recommended rate of temperature rise

≤15  ℃/ Min

Thermocouple Type

K Type

Heating length

440mm

Temperature field curve

tube furnace 

Temperature calibration (optional)

Regular temperature calibration of the tube furnace maintains the accuracy and uniformity of the furnace temperature. You can purchase a simple calibration tool from the company to assist you with this work. The complete calibration kit includes a standard thermocouple S-type, temperature calibrator.

tube furnace

         

Peripheral surface temperature

≤45℃

Open cover protection system

When the furnace cover is opened, the relay will automatically cut off the main power supply, effectively ensuring the safety of the user.

Vacuum system (optional)

 tube furnace

1) Generally, the gas in the furnace tube can be pumped out by roughly vacuumizing:TW-1.5A single-stage pump would be fine

2)  The double-stage pump 2XZ-2 vacuum pump can pump the vacuum degree of tube furnace tube to about 10Pa.

3) The VS-0.1 vacuum system can pump the vacuum degree in the tube furnace to 0.1Pa (with resistance vacuum meter display).

4) VS high vacuum system (composed of molecular and mechanical pump) can pump the vacuum degree in the tube furnace to 10-3 Pa.

5) Constant pressure pump (the system can control the pressure in the pipe within - 100.0KPa ~ 100.0KPa).

6)  British (INFICON) capacitance vacuum gauge (measuring range: 3.8x10-5 -1125 Torr, it can detect various gases, including mixed gases, with accurate measurement, good repeatability, and optional anti-corrosion type: PCG554)

Vacuum flange at the bottom

1. In order to increase the pumping rate and achieve higher vacuum requirements. The original hose connector can be replaced with KF-25 interface (VS-0.1 and VS high vacuum system interfaces are both KF25)

2. If used in the air supply system, the original hose connector can be replaced with a Φ6.35mm double ferrule connector.

Upper vacuum flange

 upper vacuum flange


Gas supply system (optional)

gas supply system




C.Precautions

1. The gas pressure in the furnace tube can not be higher than 0.02MPa

2. Since the internal pressure of the cylinder is high, when the gas is introduced into the furnace tube, a pressure reducing valve must be installed on the cylinder. To ensure safety, it is recommended to use a pressure lower than 0.02 MPa.

3. When the furnace tube used is a corundum tube, when the furnace temperature is higher than 1500 °C, the furnace tube should not be in a vacuum state, and the gas pressure in the furnace tube should be equivalent to the atmospheric pressure.

4. The gas flow into the furnace tube should be less than 200SCCM to avoid the impact of cold air flow on the hot furnace tube.

5. For the sample heating experiment, it is not recommended to close the suction valve and intake valve at the flange end of the furnace tube. If you need to close the air valve to heat the sample, you should always pay attention to the pressure gauge. If the air pressure is greater than 0.02 MPa, you must open the exhaust valve immediately to prevent accidents (such as furnace tube rupture, flange flying out, etc.)

6. Do not use graphite crucible in alumina tubes

7. MoSi2 heating element must not be used for a long time at low temperature (400 ° C - 700 ° C), otherwise it may damage the heating element

tube furnace


 

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