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1700°C Compact Muffle Furnace (4.7"x 4.7"x 4.7", 1.7L) with 31 Segement Programmable Controller - KSL-1700X-S

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KSL-1700X-S is a CE certified compact high temperature muffle furnace designed for max energy saving ( <1kW at 10oC/min). It is an ideal tool for annealing and sintering materials in research or dental labs.


Furnace Structure

  • 1800 grade fiber alumina with reflective coating -- max enenrgy saving design
  • Double layer steel structure with air cooling fan to keep case temperature below 60°C
  • Drop-down door for easy sample loading
  • Built-in gas inlet (back) and venting port (top) for gas-controlled heating treatment.


  • Chamber: 120mm(L) x 120mm(W) x 120mm(H) ( 4.7" x 4.7" x 4.7"), 1.7 L Capacity
  • Overall: 480mm(L) x 480mm(W) x 790mm(H)


  • 3 KW (Max)
  • <1Kw if heating rate at 10°C/min


AC 208V-240V single phase, 50/60 Hz (20A air breaker required)

Standard Working Temperature

1600°C or 3092°F (continuous)

Maximum Working Temperature

1700°C or 3812°F (< 3 hours)

Heating Rate

0 ~20°C / min (=< 10°C recommended)

Temperature Stability

+/- 1°C

Temperature Uniformity

  • +/- 5°C over 120 mm (5") @ 1700°C
  • +/- 2°C over 80 mm (3") @ 1700°C

Heating Elements

1800 grade MoSi2 (4 pcs U shape)


B Type (Pt-Rh to Pt-Rh) with Alumina tube (200mm long)

Temperature Controller

  • PID automatic control via SCR (Silicon Controlled Rectifier) power control with phase angle fired, current limiting resistor.
  • 30 programmable segments for precise control of heating rate, cooling rate and dwell time.
  • Please click here to learn why SCR is more accurate than SSC (Solid state relay).
  • Built in PID Auto-Tune function with overheating & broken thermocouple broken protection.
  • Over temperature protection and alarm allows for operation without attendant(s).
  • +/- 1 ºC temperature accuracy.
  • 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. For more information please click here.

Optional Part

One vent port can be ordered at $98

Net Weight

50 kg

Shipping Weight

80 kg (180 lbs)


  • One year limited warranty with life time support. (Consumable parts such as sample plates and heating elements are not covered by the warranty, please order the replacement at related products below.)
  • 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 and Transformer are 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.
  • Please click here to learn how to DIY gas purging system.
  • Refractory block must be inserted before closing door (click picture on left for details).

Operation Instructions




Premier Solutions Pte Ltd / MTI Corporation - 1700°C Compact Muffle Furnace (4.7"x 4.7"x 4.7", 1.7L) with 31 Segement Programmable Controller - KSL-1700X-S

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