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1750℃ Small Box Furnace (18.8L) KSL-1750X-A3

​1. Lab box furnaces boast ultra-high temperature heating performance and energy-efficient design, meeting the sintering requirements of various high-melting-point materials.
2. These lab box furnaces employ industrial-grade precision intelligent temperature control with 50-segment intelligent programmable control, allowing for customized parameter settings.
3. Our lab box furnaces feature a large-capacity furnace chamber, reaching 18.8L, suitable for large-sized materials.

  • Shenyang Kejing
  • Shenyang, China
  • 10 working days
  • 50 sets
  • Information

Introduction of lab box furnaces:

The lab muffle furnace is a CE-certified high-temperature box furnace using silicon molybdenum rods as heating elements. It is equipped with an 858P intelligent temperature controller and a type B double platinum-rhodium thermocouple for automatic temperature measurement, regulation, and control of the furnace chamber. The maximum furnace chamber temperature of the lab muffle furnace can reach 1750℃.


Key features of the lab muffle furnace:

· lab muffle furnace has an internal volume of up to 19L, suitable for sintering large materials.

· Laboratory vacuum furnace has a maximum temperature of 1750℃.

· The laboratory vacuum furnace features a double-shell structure and an air-cooling system to ensure the shell surface temperature does not become overheated.

· The laboratory vacuum furnace allows for power interruption by opening the door, ensuring safe operation.

lab box furnaces

Key parameters of the laboratory vacuum furnace:

Name1750℃ Small laboratory vacuum furnace (18.8L) KSL-1750X-A3
Main Parameters of lab box furnaces

·Operating Temperature: 1700℃ (continuous), 1750℃ (<0.5h)

·Heating Rate of lab muffle furnace: 10℃/min (≦1400℃)

5℃/min (1400℃-1600℃)

2℃/min (>1600℃)

·Heating Element: Domestic 1800-type silicon molybdenum rod

·Thermocouple: Type B double platinum-rhodium thermocouple

·Voltage of lab muffle furnace: AC220V single phase, 50/60Hz

·MAX Power of lab box furnaces: 9KW

Note: Setting a lower heating rate will extend the lifespan of the heating element.

Temperature Control System of lab box furnaces

• Includes a YD858P temperature controller.

• PID automatic temperature control system.

• Intelligent 50-segment programmable control.

• Constant temperature control accuracy: ±1℃.

• Default DB9 PC communication connection port.

• All electrical components are UL or MET approved and have passed other relevant safety tests worldwide.

lab muffle furnace

Furnace Structure

The inner furnace chamber is coated with a high-temperature alumina coating imported from the USA, which improves reflectivity and heating efficiency, while also extending the instrument's lifespan.

It features overheat and thermocouple break protection, and a door-open power-off function.

External Dimensions

Furnace body: L 640×W 640×H 930mm.

Furnace chamber dimensions: 250×300×250mm.

Net weight of lab box furnaces: 160Kg.

ComplianceCE Certified, UL or CSA certification is available at extra cost.


Warranty Period of lab muffle furnace: 

One-year warranty, lifetime maintenance (excluding seals, heating elements, and quartz tubes).


Note: If the user believes they have sufficient experience and knowledge to handle the furnace in hazardous or emergency situations, a liability waiver must be signed at the time of purchase. Without proper safety operation training, Kejing Company is not responsible for any damage caused by misuse. Any damage caused by corrosive and acidic gases is not covered under the one-year warranty.


Other companies also sell laboratory vacuum furnaces, so why should you buy yours?

While many furnaces on the market have seemingly similar parameters, our core advantages lie in safety compliance and industrial-grade durability. We use internationally UL-certified components and our design is CE-certified to guarantee the safety of your laboratory. Furthermore, our equipment boasts extremely high stability, ensuring the consistency of your experimental data. Combined with our lifetime maintenance commitment, this eliminates all your future worries.


laboratory vacuum furnace

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