UL Standard 1200°C Muffle Furnace (12x8x5", 7.2L) with Vent Port & Observation Window (208-240VAC) - KSL-1200X-UL

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Item Number:KSL-1100X


  • Thermal efficient ceramic (high purity alumina fiber) insulation surrounding the chamber provides maximum energy efficiency.
  • Resistance wire coil on three sides of interior chamber for fast and uniform heating.
  • Heavy duty double layer structure with cooling fan to keep furnace exteriors safe to touch.
  • Vent port installed on top doubles as outlet for gas flow.
  • 0.5" diameter observation window made of quartz glass allows the user to see inside chamber.
  • Gas fill tube is included which can be installed to replace the observation window -- see left 2 pictures below.
  • Optional Al203 sample plate can also be ordered for this furnace.

Chamber Dimensions
Power 3500 Watts
Voltage 208 -240V Single Phase 50/60 Hz
Operating Temp Range
  • 100-1100 °C
  • 1100 °C (Continuous)
  • 1200 °C Max (< 1 hour)
Stability at 1000 °C +/- 0.5 ° C
Uniformity at 1000 °C +/- 2.0 °C
Max. Heating Rate 50°C/ min.
Temperature Control

  • PID automatic control and auto-tune function.
  • 30 programmable segments for precise control.
  • Built-in over temperature alarm and protection allows for operation without attendant.
  • +/- 1 ºC temperature accuracy.
  • K type thermocouple installed for immediate use.
  • RS485 Communications Port.
  • Optional:
    • The furnace may be operated by PC by installing a control module. Please order a MTS-02 control module at extra cost.
    • If you order the PC control module together with the furnace, we will install and test it before shipping. We recommend you to order a computer (laptop) from us to avoid software installation problems.

Gas fill tube
Stainless steel tube ( 5 mm dia ) with flange can be installed as gas inlet port.
Shipping Weight 160 Lbs ( shipping by pallet )
Overall Dimensions 25" x 21" x 27" (D x H x W)
  • One year limited warranty with life time support.
  • ATTENTION: Any damages caused by the use of corrosive and acidic gases are not under the coverage of MTI One Year Limited Warranty.
  • Furnce: CE certified .
  • CSA certificate is available upon at extra cost
  • Components: Temperature controller is UL or Met certified.
Application Notes
  • For preserving the longevity of the furnace components, we recommend the heating rate not to exceed 10 °C /min.
  • Cooling rate shall also not exceed 10 °C /min.
  • This furnace lacks vacuum sealing, toxic or explosive gases are not recommended for use with this furnace without necessary safety controls and supervision.
  • Small cracks may appear on the surface of the refractory ceramics over extended use. This is a normal occurrence and the cracks may be repaired with alumina coating.
Operation Instructions





Premier Solutions Pte Ltd / MTI Corporation - 1200°C Muffle Furnace (12x8x5", 7.2 liter) with 30 Segments Digital Controller and Vent Port / Window (208-240VAC) - KSL-1100X


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