The chamber furnaces are suitable for Annealing, Hardening and Brazing. The furnaces can be extended with a variety of accessories, like annealing boxes for operation under protective gas, roller guides, or a cooling station with a quench tank. Even high-performance applications like the annealing of titanium can be implemented without the use of expensive and complicated annealing systems.

• Robust insulation with light refractory bricks
• Deep furnace chamber with three-sides heating: from both side walls and bottom
• Low energy consumption due to multi-layer insulation
• Base frame included
• N 7/H - N 17/HR designed as table-top model
• Parallel guided downward swinging door (user protected from heat radiation)
• NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive
• Equipped with the B 500 programmable controller (with touch panel, 5 programmes with 4 segments each), optionally available with the C 540 controller

The models LV 3/11 - LVT 15/11 are especially designed for ashing in the laboratory. A special air intake and exhaust system allows air exchange of more than 6 times per minute. Incoming air is preheated to ensure a good temperature uniformity.

• Tmax 1100°C
• Heating from two sides
• Ceramic heating plates with integral heating element which is safeguarded against fumes and splashing, and easy to replace
• Insulation only made of materials that are classified as not carcinogenic acc. to TRGS 905, class 1 or 2
• Housing made of sheets of textured stainless steel
• Dual shell housing for low external temperatures and stability
• Optional flap door (LV) which can be used as work platform or lift door (LVT) with hot surface facing away from the operator
• Solid state relays provide for low noise operation
• Air exchange of more than 6 times per minute
• Good temperature uniformity due to preheating of incoming air
• 220-240 V 1/N/PE 50/60 Hz connector as standard

• 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
• Observation hole in the oven door
• Process control and documentation via VCD software package for monitoring, documentation and control

These powerful laboratory muffle furnaces are available for temperatures up to 1400 °C, 1500 °C, 1550 °C or 1600 °C. The durability of the SiC rods in periodic use, in combination with their high heating speed, make these furnaces the all-rounders in the laboratory. Heating times of 40 minutes to 1400 °C can be achieved, depending on the furnace
model and the conditions of use.

• Tmax 1400 °C, 1500 °C, 1550 °C or 1600 °C
• Working Temperature 1500 °C (for models LHTC ../16), increased wear and tear of heating elements must be expected in case of working at higher temperatures
• Insulation only made of materials that are classified as not carcinogenic acc. to TRGS 905, class 1 or 2
• Housing made of sheets of textured stainless steel
• Dual shell housing for low external temperatures and high stability
• Furnace room lined with durable fiber material, not classified
• Optional flap door (LHTC) which can be used as work platform or lift door (LHTCT) with hot surface facing away from the operator (HTCT 01/ only with lift door)
• Switching system with solid-state-relays, power tuned to the SiC rods
• Controller is the programmable C 550 with adjustable ramps and holding times
• Easy replacement of heating rods
• Adjustable air inlet opening, exhaust air opening in the roof
• 400 V 3/N/PE 50/60 Hz connector as standard

• 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
• Square saggar for charging of up to three layers
• Lid for top saggar
• Manual or automatic gas supply system
• Process control and documentation via VCD software package for monitoring, documentation and control

The high-temperature tube furnaces are available in either horizontal (type RHTH) or vertical (type RHTV) designs. High-quality insulation materials made of vacuum-formed fibre plates enable energy-saving operation and a fast heating time due to low heat storage and heat conductivity. By using different gas supply systems, operations can be performed under a protective gas atmosphere, vacuum, or even with flammable gasses.

• Tmax 1600 °C, 1700 °C or 1800 °C
• MoSi2 heating elements, mounted vertically for easy replacement
• Insulation with vacuum-formed ceramic fibre plates
• Rectangular outer housing with slots for convection cooling
• Models RHTV with hinges for wall mounting
• Housing made of sheets of textured stainless steel
• Ceramic working tube made of material C 799 incl. fibre plugs operation under air
• Type B thermocouple
• Switchgear separate from furnace in separate floor standing cabinet
• Switchgear with control unit
• Possible controller variants are the programmable B 500, C 550 and P 570 (threes) with adjustable ramps and hold times.
• Over-temperature limit controller with manual reset for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the oven and load
• Insulation only made of materials that are classified as not carcinogenic acc. to TRGS 905, class 1 or 2
• Standard power supply 400 V 3/N/PE 50/60 Hz

• Charge control with temperature measurement in the working tube and in the oven chamber behind the tube
• Alternative working tubes designed for process requirements
• Display of inner tube temperature with additional thermocouple
• Gas-tight flanges for protective gas and vacuum operation
• Manual or automatic gas supply system
• Three- or five-zone control for optimization of temperature uniformity
• Check valve at gas outlet avoids intrusion of false air

For daily laboratory use. Models with flap door or lift door available, for temperatures from 1100 °C to 1400 °C. Equipped with programmable controllers B 510 (with touch panel, 5 programmes with 4 segments each), or C 550 (with touch panel, 10 programmes with 20 segments each), L 1/12 with controller R 7 (continuous operation).

• Dual shell housing made of textured stainless steel sheets for low external temperatures and high stability
• Adjustable air inlet integrated in door
• Exhaust air outlet in rear wall of furnace
• Solid state relays provide low-noise operation
• Standard connector 230 V 1/N/PE 50/60 Hz
• 24 and 40 l with 400 V 3/N/PE 50/60 Hz

• Chimney, chimney with fan or catalytic converter
• 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
• Protective gas connection to purge with non-flammable protective or reaction gases (not available in combination with chimney, chimney with fan or catalytic converter)
• Manual or automatic gas supply system
• Process control and documentation via VCD software package for monitoring, documentation and control

• Heating from two sides (three sides for interior volumes of 24 and 40 l)
• Flap door can be used as work platform

For daily laboratory use. Models with flap door or lift door available, for temperatures from 1100 °C to 1400 °C. Equipped with programmable controllers B 510 (with touch panel, 5 programmes with 4 segments each), or C 550 (with touch panel, 10 programmes with 20 segments each), L 1/12 with controller R 7 (continuous operation).

• Dual shell housing made of textured stainless steel sheets for low external temperatures and high stability
• Adjustable air inlet integrated in door
• Exhaust air outlet in rear wall of furnace
• Solid state relays provide low-noise operation
• Standard connector 230 V 1/N/PE 50/60 Hz
• 24 and 40 l with 400 V 3/N/PE 50/60 Hz

• Chimney, chimney with fan or catalytic converter
• 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
• Protective gas connection to purge with non-flammable protective or reaction gases (not available in combination with chimney, chimney with fan or catalytic converter)
• Manual or automatic gas supply system
• Process control and documentation via VCD software package for monitoring, documentation and control

• Heating from two sides (three sides for interior volumes of 24 and 40 l)
• Flap door can be used as work platform

Compact muffle furnaces with dual shell furnace housing of rust-free stainless steel and heating elements encased in quartz glass tubes.

• Tmax 1100 °C, working temperature 1050 °C
• Heating from two sides from heating elements in quartz glass tubes
• Maintenance-friendly replacement of heating elements and insulation
• Insulation only made of materials that are classified as not carcinogenic acc. to TRGS 905, class 1 or 2
• Housing made of sheets of textured stainless steel
• Dual shell housing for low external temperatures and high stability
• Flap door which can also be used as a work platform
• Exhaust air outlet in rear wall
• Compact dimensions and light weight
• Controller mounted under the door to save space
• Equipped with the basic controller R 7 with one free storeable temperature, which is dwelled until the controller is switch off
• Standard power supply 230 V, 1/N/PE, 50/60 Hz

For daily laboratory use. Models with flap door or lift door available, for temperatures from 1100 °C to 1400 °C. Equipped with programmable controllers B 510 (with touch panel, 5 programmes with 4 segments each), or C 550 (with touch panel, 10 programmes with 20 segments each), L 1/12 with controller R 7 (continuous operation).

• Dual shell housing made of textured stainless steel sheets for low external temperatures and high stability
• Adjustable air inlet integrated in door
• Exhaust air outlet in rear wall of furnace
• Solid state relays provide low-noise operation
• Standard connector 230 V 1/N/PE 50/60 Hz
• 24 and 40 l with 400 V 3/N/PE 50/60 Hz

• Chimney, chimney with fan or catalytic converter
• 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
• Protective gas connection to purge with non-flammable protective or reaction gases (not available in combination with chimney, chimney with fan or catalytic converter)
• Manual or automatic gas supply system
• Process control and documentation via VCD software package for monitoring, documentation and control

• Heating from two sides (three sides for interior volumes of 24, 40 and 60 l)
• The hot side of the lift door is facing away from the operator

For daily laboratory use. Models with flap door or lift door available, for temperatures from 1100 °C to 1400 °C. Equipped with programmable controllers B 510 (with touch panel, 5 programmes with 4 segments each), or C 550 (with touch panel, 10 programmes with 20 segments each), L 1/12 with controller R 7 (continuous operation).

• Dual shell housing made of textured stainless steel sheets for low external temperatures and high stability
• Adjustable air inlet integrated in door
• Exhaust air outlet in rear wall of furnace
• Solid state relays provide low-noise operation
• Standard connector 230 V 1/N/PE 50/60 Hz
• 24 and 40 l with 400 V 3/N/PE 50/60 Hz

• Chimney, chimney with fan or catalytic converter
• 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
• Protective gas connection to purge with non-flammable protective or reaction gases (not available in combination with chimney, chimney with fan or catalytic converter)
• Manual or automatic gas supply system
• Process control and documentation via VCD software package for monitoring, documentation and control

• Heating from two sides (three sides for interior volumes of 24, 40 and 60 l)
• Lift door with hot surface facing away from the operator

These compact tube furnaces with integrated control systems can be used universally for many processes. Equipped with a standard working tube of C 530 ceramic and two fiber plugs, these tube furnaces have an unbeatable price/performance ratio.

• Tmax 1200 °C or 1300 °C
• Single-zoned design as standard
• Dual shell housing made of sheets of textured stainless steel
• Outer tube diameter of 50 to 170 mm, heated length from 250 to 1000 mm
• Working tube of C 530 ceramic including two fiber plugs as standard equipment
• Solid state relays provide for lownoise operation
• Available with the programmable controllers B 510, C 550 and P 580 (for three-zoned design) with adjustable ramps and hold times
• Standard power supply 400 V 3/N/PE 50/60 Hz (R 50/250 und R 50/500: 220 V, 1/N/PE, 50/60 Hz)

• 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
• Charge control with temperature measurement in the working tube and in the furnace chamber outside the tube
• Three-zoned design (heated length from 500 mm)
• Working tubes
• Gas supply systems for protective gas or vacuum operation
• Process control and documentation with VCD software package