1800°C Compact Muffle Furnace (4.7"x4.7"x 4.7", 1.7L) with Kanthal Super-1900 Heating Element - KSL-1800X-S

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Item Number: KSL-1800X


KSL-1800X-S is CE certified compact high temperature muffle furnace up to 1800°C with for max energy saving. It is an ideal tool for preparing new generation material in research laboratories

  • The furnace consists of high quality alumina fiber brick and Kathnal Super-1900 MoSi2 heating elements with double layer case.
  • Gas inlet and venting port are installed for using at oxygen or inert gas rich atmospheres.
  • Design of sliding down door is for loading sample at easy.
  • The furnace temperature is controlled by high precision SCR (Silicon Controlled Rectifier) digital controller with accuracy +/-1°C and 30 segments programmable up to 1800°C .


click picture below to see details

30 segments programmable controller
sliding down door for loading sample at easy
Warning: must put on refractory block before close door



Inside Chamber Size

120 x 120 x 120mm (4.7" x 4.7" x 4.7 "), 1.7 L

Furnace Structure

  • Double layer steel structure with air cooling fan to keep case temperature below 55°C
  • YSZ liner for heat resistance up to 2000°C

Standard Working Temperature

1750°C  (continuous)

Maximum Working Temperature

1800°C (< 2 hours)

Temperature Control

Heating Rate

0 ~20°C / min (suggestion  =< 10°C)

Temperature Accuracy & stability

+/- 1oC

Temperature uniformity

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

Heating Element

Thermo Couple B Type  (Pt-Rh to Pt-Rh) with Alumina tube

Working Voltage

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

Max. Power

2.2 KW  (30A breaker required)

Power cable & plug

  • 10 feet length 14-3 AWG heavy duty UL approve power cable is included
  • Plug is not included. You can order from your local hardware store according to female plug in your lab, or order from link below (30A plug)

Outside Size

380 x 410 x 620 mm (15" x 16" x 24.5")

Net Weight

30 kg

Limited Warranty

One year limited warranty (Consumable parts such as processing tubes, o-rings and heating elements are not covered by the warranty, please order the replacement at related products below.)


  • Furnce:          CE certified .
  • CSA certificate is available upon at extra cost
  • Components:   Temperature controller and Transformer are UL or Met certified.

Package Dimension after crating

480x480x790 mm Shipping Weight 66 kg (145 lbs)

Standard Package

P/N Description Quantity Click pic to order extra
KSL7-01 Super-1900 grade Kathnal MoSi2 Heating Element - 270mm L 4 pcs
KSL7-02 B-Type Pt-Rh to Pt-Rh Thermocouples with Alumina Protection Tube 1 set
KSL7-03 Al2O3 Sample Plate 1 pcs $95.00/ea
KSL7-04 Al2O3 Furnace Door Block 1 pcs $95.00/ea
KSL7-06 Crucible Clip 1 pair $25.00/ea
KSL7-07 Operation Manual 1 set View product manual






Premier Solutions Pte Ltd / MTI Corporation - 1800°C Compact Muffle Furnace (4.7"x4.7"x 4.7", 1.7L) with Kanthal Super-1900 Heating Element - KSL-1800X-S

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