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1200°C 2" Tube Furnace w/ Automatic Valves & Sliding Door - OTF-1200X2-ASD

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Transported by LTL Freight (Truck)

Product Options

Tube size and voltage:


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OTF-1200X-ASD is a compact split tube furnace with a max. the working temperature of 1200°C.   The automatic sliding door ( flange ) is built in to open or close the flange automatic without tightening screws.  Gas inlet & outlet valves and vacuum port are controlled by solenoid valves without manual operation.  All actions are controlled by a touch screen panel or optional PC.


Furnace Structure
  • Double-layer steel structure.
  • High purity Al2O3 fibrous insulation with Max. energy saving
  • High purity alumina coating on refractory ceramics for longer service life.
1.2 KW
110VAC or 220VAC
(Please select the voltage in the options bar)
Max. Temperature
1200°C (<1 hour)
Continuous Temperature
1100°C ( continuous)
Max. Heating Rate
<= 10 °C/min
Heating Zone Length
8" (200mm), single zone. The following picture shows the temp. distribution across the heating zone
Constant Temp. Zone
2.3" (60mm)  (+/-1°C) @ 1000 °C

Temperature Controller
  • Proportional–integral–derivative control (PID control) and auto-tune function
  • Built-in Over Temperature and Thermocouple Failure Protection
  • 30 segments programmed with ramping, cooling, and dwelling steps
  • Default DB9 PC communication port
  • Temperature accuracy: +/- 1°C
  • Advanced Enrutherm 3000 is option with +/- 0.1oC accuracy
  • RS485 port and  software are included for PC operation
Heating Elements
Fe-Cr-Al Alloy doped by Mo
Tube Size 
Vacuum Flanges
Vacuum Level
  • Left side flange is installed with gas outlet and KF25 vacuum port together with solenoid valves, which can be opened and closed by the touch screen panel 
  • The right side flange is installed with a gas inlet with solenoid valves and a quartz sample holder with baffles. The flange is driven pneumatically to close and open the right flange ( door) without manual operation.
  • Vacuum level: 10-2 torr by mechanical pump and 10-5 torr by turbo-pump
Pressure Measurement / Monitoring
  • Standard mechanical vacuum gauge measures within a pressure range of -0.1 to 0.15Mpa are included.
  • Optional: A gas-type independent digital vacuum gauge with a wide range between 3.8x10-5 to 1125 Torr. 
Control Panel
  • Touch screen control panel to control all parameters, including
    • Temperature programma
    • Vacuum pump on/off
    • Right flange close/open
    • Gas inlet and outlet on/off

 ( click Pic to see details )
Net Weight
35 Kg
Shipping Package Size
40''(L) x 30''(W) x 35''(H)
Shipping Weight
110 lbs
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.) 
  • CE Certified
  • NRTL or CSA certification is available upon request at the extra cost. 
Application Notes & Warning
Operation Demo Vidoe

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1. Prices listed online are valid for the US market and who pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
2. We may add extra charges for paper order and net30 terms due to extra labor costs.
3. The prices listed are subject to change without notice.