Laboratory Furnaces, Ovens

Industrial ovens are used for the production of various materials and for material testing in dental laboratories, in tool or fitting construction.

The TF3 Small from Carbolite: reliability and modern design

The high-temperature furnaces from the manufacturer Carbolite are evidence of outstanding quality and reach an astonishing temperature of up to 3000 °C, depending on the model. In addition to vacuum, the focus is also on protective gas and reactive atmosphere. With these focal points, the devices such as the TF3 Small can be used in particular in working areas of industry, research and production.

The various furnace models from Carbolite are suitable for numerous heating processes. Accordingly, the TF3 Small can also be used for soldering and brazing under vacuum, hardening, ashing and silicating, but also for graphitising and sintering. Do you need detailed information about the individual application procedures of this model? Then please contact us.

All models, such as the TF3 Small, comply with excellent standards and all required safety factors. Depending on the model, you can add state-of-the-art controllers to make your work even simpler. The manufacturer offers a wide range of useful, innovative accessories for which we will be happy to advise you.

Dimensions and functions

Furnace type: Tube furnaceSuitable for the following applications: Sintering, material tests, thermocouple calibrationWidth (outside): 645 mm, 795 mmHeight (outside): 575 mmDepth (outside): 480 mmTube length: 900 mm, 1050 mm, 730 mm, 880 mmOven temperature max.: 1200°CPower: 2 kW, 2,5 kWConstant zone: 340 mm, 501 mmHeated length: 450 mm, 600 mm

Due to the extensive, highly customisable range of versatile ovens, we would be pleased to offer you a personal consultation. Here you also have the option of requesting a specific item as a custom-made product.

How can we help you?

Our competent team of advisors will ensure that you receive the best products for your work area. Do you have questions about our wide range of products, their features or their brand manufacturers?

We will be happy to assist you and are available around the clock by phone at +49 (0)30-403 667 940 or by e-mail at info@profilab24.com. We look forward to hearing from you!

Nabertherm Furnace System with Scale and Software, with Lift Door LT 9/11/SW - LT 9/12/SW
This weighing furnace with integrated precision balance and software has been specially developed for the determination of loss on ignition in the laboratory. The determination of the loss on ignition is important, among other things, in the analysis of sewage sludge and domestic waste, but is also used in numerous technical processes to evaluate the results. The difference between the total mass charged and the residue on ignition forms the loss on ignition. During the process, both the temperature and the weight curve are recorded via the software supplied.

• Tmax 1100 °C or 1200 °C
• Heating from two sides
• Ceramic heating plates with integrated heating wire, splash and exhaust gas protected, easy to replace
• Insulation made of non-classified fibre material
• Housing made of textured stainless steel sheets
• Optionally with hinged door (L), which can be used as a shelf, or with lift door (LT) at no extra charge, with the hot side facing away from the operator
• Adjustable air inlet in the door
• Exhaust air opening in the rear wall of the oven
• Silent operation of the heater with solid state relay
• Supplied with base, ceramic stamp with support plate inside the oven, precision scales and software package
• Choice of 4 scales for different maximum weights and scaling ranges
• Process control and documentation for temperature and loss on ignition via VCD software package for monitoring, documentation and control

Additional equipment

• Exhaust stack, exhaust stack with fan or catalyst
• Over-temperature limit controller with adjustable shut-off temperature for thermal protection class 2 according to EN 60519-2 as over-temperature protection for the furnace and the fabric.

including scale EW-2200 or EW-6200 and software, scale EW-4200 or EW-12000 at extra charge

Nabertherm Furnace System with Scale and Software, with Hinged Door L 9/11/SW - L 9/12/SW
This weighing furnace with integrated precision balance and software has been specially developed for the determination of loss on ignition in the laboratory. The determination of the loss on ignition is important, among other things, in the analysis of sewage sludge and domestic waste, but is also used in numerous technical processes to evaluate the results. The difference between the total mass charged and the residue on ignition forms the loss on ignition. During the process, both the temperature and the weight curve are recorded via the software supplied.

• Tmax 1100 °C or 1200 °C
• Heating from two sides
• Ceramic heating plates with integrated heating wire, splash and exhaust gas protected, easy to replace
• Insulation made of non-classified fibre material
• Housing made of textured stainless steel sheets
• Optionally with hinged door (L), which can be used as a shelf, or with lift door (LT) at no extra charge, with the hot side facing away from the operator
• Adjustable air inlet in the door
• Exhaust air opening in the rear wall of the oven
• Silent operation of the heater with solid state relay
• Delivery includes base, ceramic stamp with support plate inside the oven, precision scales and software package
• Choice of 4 scales for different maximum weights and scaling ranges
• Process control and documentation for temperature and loss on ignition via VCD software package for monitoring, documentation and control

Additional equipment

• Exhaust stack, exhaust stack with fan or catalyst
• Over-temperature limit controller with adjustable shut-off temperature for thermal protection class 2 according to EN 60519-2 as over-temperature protection for the furnace and the fabric.

including scale EW-2200 or EW-6200 and software, scale EW-4200 or EW-12000 at extra charge

Thermconcept Elevator Furnace ELC 08/14, 1400 °C

• Table-top and floor models with electro-mechanically driven furnace table, pressure- and vibration-free movement, opening downwards, thus low heat radiation to the user
• Very good temperature uniformity due to all-round heating of the cubic furnace chambers
• Double-walled housing construction with rear ventilation, extraordinarily low outer wall temperature
• Furnace insulation made of high-quality aluminium oxide material with very low thermal mass for rapid heating and cooling
• High-quality heating elements in all sides with free heat radiation into the furnace chamber
• Heating elements switched by solid-state relays or thyristors for precise, wear-free and noiseless furnace control
• Exhaust air opening in the furnace ceiling
• Floor models on castors

Convenient loading at high temperatures
Elevator ovens with volumes of 8 and 16 litres can be opened conveniently and quickly and then loaded hot. At the same time, the oven design allows 4-sided heating with high temperature accuracy.

Nabertherm Muffle Furnace with Fibre Insulation and Lift Door

The excellent workmanship, the modern good design and a high degree of reliability characterise this model series. Due to the heating elements, which are mounted on support tubes and radiate freely into the furnace chamber, these muffle furnaces achieve particularly short heating times and can be used for a maximum temperature of up to 1400°C. Thus, these muffle furnaces represent an alternative to the fibre insulation and lifting door furnaces. Thus, these muffle furnaces are the alternative to the well-known models L(T) ../12. when particularly short heating times or a higher application temperature are required.

Standard model

• Tmax 1400°C
• Heating from two sides
• Heating elements on support tubes ensure free heat radiation and a long service life
• Exclusive use of insulation materials without classification according to Regulation (EC) No. 1272/2008 (CLP)
• Double-walled housing made of textured stainless steel sheet for low outside temperatures and high stability
• Adjustable air inlet in the door
• Exhaust air opening in the rear wall of the oven
• Controller (5 programmes with 4 segments each)
• Low-noise operation of the heater with solid-state relay
• Intended use within the scope of the operating instructions
• NTLog Basic for Nabertherm controller: Recording of process data with USB stick

Nabertherm Ashing Furnace with Hinged Door LV 3/11 - LV 15/11 The models LV 3/11 - LVT 15/11 can be used especially for ashing in the laboratory. A special supply and exhaust air system achieves an air exchange rate of more than 6 times per minute. The incoming air is preheated to ensure good temperature uniformity.

• Tmax 1100 °C
• Heating from two sides
• Ceramic heating plates with integrated heating wire, splash and exhaust gas protected, easy to replace
• Insulation made of non-classified fibre material
• Housing made of textured stainless steel sheets
• Double-walled housing for low outside temperatures and stability
• Optionally with hinged door (L), which can be used as a shelf, or with lift door (LT) at no extra charge, with the hot side facing away from the operator
• Silent operation of the heater with solid state relay
• More than 6 air changes per minute
• Good temperature uniformity due to preheating of the incoming air
• NTLog Basic for Nabertherm controller: recording of process data with USB stick

Additional equipment

• Over-temperature limit controller with adjustable shut-off temperature for thermal protection class 2 according to EN 60519-2 as overtemperature protection for the oven and the fabric
• Process control and documentation via VCD software package for monitoring, documentation and control

Nabertherm Compact Table-top Tube Furnace 1200°C, Models R 50/250/12 - R 170/1000/12
These compact tube furnaces with integrated switch and control system can be used universally for many processes. Equipped as standard with a working tube of material C 530 and two fibre plugs, these tube furnaces have an unbeatable price/performance ratio.

• Tmax 1200 °C (can only be used up to 1100 °C in continuous operation)
• Single-zone design as standard
• Double-walled housing made of textured stainless steel sheets
• Outer tube diameters from 50 mm to 170 mm, heated lengths from 250 mm to 1000 mm
• Working tube of material C 530 incl. two fibre plugs as standard
• Tmax 1200 °C: thermocouple type N
• Low-noise operation of the heater with solid-state relay
• NTLog Basic for Nabertherm controller: recording of process data with USB stick

Additional equipment

• Over-temperature limit controller with adjustable switch-off temperature for thermal protection class 2 acc. to EN 60519-2 as overtemperature protection for the furnace and the fabric
• Batch control with temperature measurement in the working tube and in the furnace chamber outside the tube
• Three-zone version (from 500 mm heated length)
• Working tubes various
• Further accessories on request
• Gas supply packages for protective gas and vacuum operation
• Process control and documentation via VCD software package for monitoring, documentation and control

Thermconcept KLC high-temperature furnace with silicon carbide rod heating, 1600 °C

Practical and reliable for higher temperatures
High-temperature furnaces with silicon carbide rod heating reliably cover the temperature range from 1400 to 1600 °C and are available in 4 sizes from 5 l volume to 30 l volume.

• Very good temperature uniformity in the furnace chamber
• Double-walled housing construction with rear ventilation, exceptionally low outer wall temperature
• Parallel upward opening door, hot inside of door always facing away from the operator
• Furnace insulation made of high-quality fibre materials with low thermal mass
• Door surround made of robust lightweight refractory bricks
• Abrasion-resistant lightweight refractory brick in the kiln floor
• Delivery includes ceramic base plate
• Powerful silicon carbide heating elements in both furnace sides, fast heating rates
• Switching via semiconductor relay, particularly precise kiln control, wear-free, noiseless
• Exhaust air opening in the kiln ceiling

Nabertherm High-Temperature Drying Oven 850°C N 30/85 HA - N 500/85 HA
These chamber furnaces with air circulation are characterised in particular by their very good temperature uniformity. This makes them ideal for processes such as cooling, crystallisation, preheating, curing, but also for numerous processes in toolmaking. Thanks to the modular design, the convection ovens can be adapted to the process requirements with useful accessories.

• Tmax 850 °C
• Horizontal air circulation
• Right-hinged swing door
• Temperature uniformity according to DIN 17052-1 up to +/- 4 °C
• Optimum air distribution due to high flow rates
• One insert tray and ledges for 2 additional trays included in delivery
• Stainless steel air baffles in the oven for optimal air circulation
• Underframe included in the scope of delivery
• Supply and exhaust air flaps for use as a drying oven as additional equipment
• NTLog Basic for Nabertherm controller: recording of process data with USB stick

Thermconcept High-Temperature Tube Furnace ROC, 1500 °C
with exchangeable tubes

• Tube diameters from 50 to 105 mm
• Heated lengths of 250 mm, 450 mm and 610 mm
• Designed for horizontal, vertical and universal operation
• Furnace insulation made of high-quality fibre materials with low thermal mass
• Furnaces are supplied with tube as standard, can be customised to customer's own tube on request
• Heating via SiC heating elements, mounted parallel to the process tube, thus free and direct heat radiation onto the tube and the sample, high temperature accuracy and long service life of the heating elements
• High-quality furnace housing, with stainless steel covers, integrated protective grid for low surface temperature at the tube module
• Very powerful heating for fast heating up
• Switching via solid-state relay, particularly precise furnace control, wear-free, noiseless
• Switching and control system for horizontal furnaces mounted in the lower housing area, for vertical and universal furnaces in separate table-top housing for convenient controller operation

Flexible all-round tube ovens for the upper temperature range
Tube furnace series with heated lengths of 250, 450 and 610 mm and tube inner diameters of 50, 75 and 105 mm for maximum temperatures up to 1500 °C.
The furnaces are supplied for horizontal, vertical or universal operation. The tubes can be exchanged quickly and easily depending on the application.

Thermconcept High-Temperature Tube Furnace ROC, 1600 °C
with exchangeable tubes

• Tube diameters from 50 to 105 mm
• Heated lengths of 250 mm, 450 mm and 610 mm
• Designed for horizontal, vertical and universal operation
• Furnace insulation made of high-quality fibre materials with low thermal mass
• Furnaces are supplied with tube as standard, can be customised to customer's own tube on request
• Heating via SiC heating elements, mounted parallel to the process tube, thus free and direct heat radiation onto the tube and the sample, high temperature accuracy and long service life of the heating elements
• High-quality furnace housing, with stainless steel covers, integrated protective grid for low surface temperature at the tube module
• Very powerful heating for fast heating up
• Switching via solid-state relay, particularly precise furnace control, wear-free, noiseless
• Switching and control system for horizontal furnaces mounted in the lower housing area, for vertical and universal furnaces in separate table-top housing for convenient controller operation

Flexible all-round tube ovens for the upper temperature range
Tube furnace series with heated lengths of 250, 450 and 610 mm and tube inner diameters of 50, 75 and 105 mm for maximum temperatures up to 1600 °C.
The furnaces are supplied for horizontal, vertical or universal operation. The tubes can be exchanged quickly and easily depending on the application.

Nabertherm High-Temperature Furnace with SiC Rod Heating and Hinged Door

These powerful laboratory muffle furnaces are available for temperatures up to 1400 °C, 1500 °C, 1550 °C or 1600 °C.
The high resistance of the SiC rods during periodic operation combined with the high heating speed make these high-temperature furnaces all-rounders for laboratory use.
Heating times of 20 to 25 minutes up to 1400 °C, depending on the furnace model and operating conditions, are achievable.

Standard model

• Tmax 1400 °C, 1500 °C, 1550 °C or 1600 °C
• Working temperature 1500 °C (for high-temperature furnaces LHTC ../16), increased wear must be expected at higher working temperatures
• With hinged door (LHTC), which can be used as a shelf with the hot side facing away from the operator
• Switchgear with solid-state relays power-matched to the SiC rods
• Easy replacement of the heating rods
• Adjustable supply air opening, exhaust air opening in the ceiling

Thermconcept High-Temperature Tube Furnace ROC, 1400 °C
with exchangeable tubes

• Tube diameters from 50 to 105 mm
• Heated lengths of 250 mm, 450 mm and 610 mm
• Designed for horizontal, vertical and universal operation
• Furnace insulation made of high-quality fibre materials with low thermal mass
• Furnaces are supplied with tube as standard, can be customised to customer's own tube on request
• Heating via SiC heating elements, mounted parallel to the process tube, thus free and direct heat radiation onto the tube and the sample, high temperature accuracy and long service life of the heating elements
• High-quality furnace housing, with stainless steel covers, integrated protective grid for low surface temperature at the tube module
• Very powerful heating for fast heating up
• Switching via solid-state relay, particularly precise furnace control, wear-free, noiseless
• Switching and control system for horizontal furnaces mounted in the lower housing area, for vertical and universal furnaces in separate table-top housing for convenient controller operation

Flexible all-round tube ovens for the upper temperature range
Tube furnace series with heated lengths of 250, 450 and 610 mm and tube inner diameters of 50, 75 and 105 mm for maximum temperatures up to 1400 °C.
The furnaces are supplied for horizontal, vertical or universal operation. The tubes can be exchanged quickly and easily depending on the application.

Nabertherm Compact Tube Furnace RD 30/200/11 - RD 30/200/13
Including Working Tube C 530 with 2 Locking End Plugs

The RD tube furnaces convince with their unbeatable price-performance ratio, very compact outer dimensions and their low weight. These all-rounders are equipped with a working tube which also serves as support for the heating wires. Thus, the working tube is part of the furnace heating which has the advantage that the furnaces achieve very high heat-up rates. The tube furnaces can be supplied for 1100 °C or 1300 °C.

Both models are designed for horizontal application. If the customer requires protective gas atmosphere, a separate working tube incl. gas supply system 1, e.g. made of quartz glass, must be inserted in the working tube.

• Tmax 1100 °C or 1300 °C
• Housing made of sheets of textured stainless steel
• Inner diameter of the tube: 30 mm, heated length: 200 mm
• Working tube made of C 530 material including two fiber plugs as standard
• Thermocouple type K (1100 °C) or type S (1300 °C)
• Solid state relays provide for low-noise operation of the heating
• Heating wires wound directly around the working tube resulting in very fast heat-up rates 

Additional equipment

• Over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
• Gas supply system for non-flammable protective or reactive gas

Controller: R 7

Nabertherm Hinged Tube Furnace 1300°C, Models RSV 50/250/13/.. - RSV 170/1000/13/..
These tube furnaces can be used for vertical (RSV) operation. The hinged design makes it easy to change the working tube. Thus, different working tubes (e.g. working tubes made of different materials) can be changed comfortably.

Using a wide range of accessories, these professional tube furnaces can be optimally designed for your process. By upgrading with various gas flushing packages, it is possible to work under protective gas atmosphere, vacuum or flammable protective or reaction gases. In addition to the convenient standard controllers, modern PLC controllers can also be used to control the process.

• Tmax 1300 °C
• Housing made of textured stainless steel sheets
• Thermocouple type S
• For vertical operation with additional vertical rack
• Hinged design for easy insertion of the working tube
• Working tube made of material C 530 for operation in air included in the scope of delivery
• Heating elements freely radiating on support tubes
• Switchgear separate from the furnace with controller in separate wall or floor cabinet
• Standard working tube
• NTLog Basic for Nabertherm controller: recording of process data with USB stick

Additional equipment

• Batch control with temperature measurement in the working tube and in the furnace chamber outside the tube
• Display of temperature in working tube with additional thermocouple
• Various gas supply packages for non-flammable or flammable protective or reaction gases and vacuum operation
• Three-zone design to optimise temperature uniformity
• Cooling systems for accelerated cooling of the working tube and the charge
• Non-return valve at the gas outlet prevents ingress of false air
• Base frame with integrated switchgear and controller
• Alternative working tubes, designed for process requirements
• Further accessories on request
• Process control and documentation via VCD software package or Nabertherm Control Center NCC for monitoring, documentation and control

Attention: P-Controller is 3-zone!

Nabertherm High-Temperature Furnace with Balance and Software LHT 04/16 SW and LHT 04/17 SW
High-Temperature Furnaces with Balance for Determination of Loss on Ignition and Thermogravimetric Analysis (TGA)

These high-temperature furnaces have been specially developed for loss-on-ignition determinations and thermogravimetric analysis (TGA) in the laboratory. The complete system consists of the high-temperature furnace for 1600 °C or 1750 °C, a table stand, the precision balance with feed-throughs into the furnace and powerful software that records both the temperature profile and the weight loss over time.

• Tmax 1600 °C or 1750 °C
• High-quality heating elements made of molybdenum disilicide
• Furnace chamber lined with first-class, durable fibre material, not classified
• Housing made of textured stainless steel sheets
• Double-walled housing with additional cooling for low outside temperatures
• Space-saving design with a lifting door that opens upwards
• Adjustable supply air opening
• Exhaust air opening in the ceiling
• Type B thermocouples
• Switchgear with continuous control of the heating elements
• NTLog Basic for Nabertherm controller: recording of process data with USB stick
• Process control and documentation for temperature and loss on ignition via VCD software package for monitoring, documentation and control

Thermconcept Elevator Furnace ELS 08/11, 1100 °C

• Table-top and floor models with electro-mechanically driven furnace table, pressure- and vibration-free movement, opening downwards, thus low heat radiation to the user
• Very good temperature uniformity due to all-round heating of the cubic furnace chambers
• Double-walled housing construction with rear ventilation, extraordinarily low outer wall temperature
• Furnace insulation made of high-quality aluminium oxide material with very low thermal mass for rapid heating and cooling
• High-quality heating elements in all sides with free heat radiation into the furnace chamber
• Heating elements switched by solid-state relays or thyristors for precise, wear-free and noiseless furnace control
• Exhaust air opening in the furnace ceiling
• Floor models on castors

Convenient loading at high temperatures
Elevator ovens with volumes of 8 and 16 litres can be opened conveniently and quickly and then loaded hot. At the same time, the oven design allows 4-sided heating with high temperature accuracy.

Thermconcept annealing Furnaces

• Rugged chamber furnaces especially designed for robust heat treatment purposes
• Double-walled housing with rear-ventilation to ensure low outercasing temperatures
• Side walls and door of outer casing made of stainless steel, door lintel also made of stainless steel
• Parallel-guided door, moving downwards, can be opened up to T max.
• Delivery including furnace base (KM 50/13 - KM 90/13)
• Efficient multilayer insulation made of high grade and strong fire bricks for low heat losses, low energy consumption and low energy costs
• Heating from three sides (both side walls and bottom) for good temperature uniformity inside the furnace chamber
• High grade heating elements on ceramic supporting tubes, mounted in front of the insulation for free heat radiation (KM 50/13 - KM 90/13)
• Bottom heating elements protected by silicon carbide plates with high mechanical strength and heat conductivity
• Exhaust pipe in the rear wall

Thermconcept elevator furnace ELC 08/16, 1600 °C

• Table-top and floor models with electro-mechanically driven furnace table, pressure- and vibration-free movement, opening downwards, thus low heat radiation to the user
• Very good temperature uniformity due to all-round heating of the cubic furnace chambers
• Double-walled housing construction with rear ventilation, extraordinarily low outer wall temperature
• Furnace insulation made of high-quality aluminium oxide material with very low thermal mass for rapid heating and cooling
• High-quality heating elements in all sides with free heat radiation into the furnace chamber
• Heating elements switched by solid-state relays or thyristors for precise, wear-free and noiseless furnace control
• Exhaust air opening in the furnace ceiling
• Floor models on castors

Convenient loading at high temperatures
Elevator ovens with volumes of 8 and 16 litres can be opened conveniently and quickly and then loaded hot. At the same time, the oven design allows 4-sided heating with high temperature accuracy.

Thermconcept rotary tube furnace D-ROK, 1500 °C
Hinged and with rotating tube

Rotate, tilt, flip
D-ROK models are hinged rotary tube ovens with adjustable rotation speed and inclination angle. Due to the hinged design, tubes can be changed quickly.

• Ovens prepared for a maximum tube outer diameter of 50, 75 and 100 mm, individually adapted tube diameters are possible on request
• Heated lengths from 400 mm, can be extended in segments as required
• Can be used as batch or continuous oven, rotation speed adjustable
• Designed for horizontal operation with adjustable inclination angle for continuous throughput processes
• Insulation made of high-quality fibre modules with integrated heating elements for direct heat radiation on tube and charge
• High-quality furnace housing with integrated switchgear and drive unit, mounted on the inclinable base frame
• Entire furnace unit on base frame with castors, thus easily movable
• Switching of heating elements via semiconductor relays for precise furnace control, wear-free, noiseless