Graduated flasks

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

Option:

• 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

Accessories

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

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

Option:

• 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

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

Optional:

• 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

-Ceramic heating plates with integrated heating wire, splash and exhaust protected, easy to replace

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

Alternative Muffle furnaces series LT, max. 1100 °C, with lift door Alternative  Alternative  Alternative  Alternative

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

Optional:

• 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

-Ceramic heating plates with integrated heating wire, splash and exhaust protected, easy to replace

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

Alternative Muffle furnaces series LT, max. 1100 °C, with lift door Alternative Muffle furnaces series L, max. 1100 °C, with flap door Alternative  Alternative  Alternative  Alternative

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

Optional:

• 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

-Ceramic heating plates with integrated heating wire, splash and exhaust protected, easy to replace

• 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

Alternative  Alternative  Alternative  Alternative

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

Optional:

• 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

-Ceramic heating plates with integrated heating wire, splash and exhaust protected, easy to replace

• 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

Alternative Muffle furnaces series LT, max. 1100 °C, with lift door Alternative Muffle furnaces series L, max. 1100 °C, with flap door Alternative Muffle furnaces series L, max. 1200 °C, with flap door Alternative  Alternative  Alternative  Alternative

For individual and series incineration of solids and liquids. Upper platform with 8 openings of 34mm diameter, for porcelain crucibles up to 50mm diameter. Upper platform and housing made of stainless steel. With 120 minute timer with audible signal after timed period and separate continuous operation switch. A safety switch switches the mains supply off / on automatically on opening / closing the incinerator chamber. With 1.5 metre cable and earthed plug.

Type SVR/E
With electronic temeprature control which allows stepless heating adjustment from 10 to 100%. Complete for use.

Type SVD 95
With digital temperature adjustment and display. Complete for use.

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)

Option:

• 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

These compact tube furnaces are used when laboratory experiments must be performed horizontally, vertically, or at specific angles. The ability to configure the angle of tilt and the working height, and their compact design, also make these tube furnaces suitable for integration into existing process systems.

• Vertical or horizontal operation freely adjustable
• Working height freely adjustable
• Working tube made of C 530 ceramic
• Control system integrated in furnace base
• NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive
• Equipped with the programmable controller B 510 (with touch panel, 5 programmes with 4 segments each), optionally available with the C 550 controller (with touch panel, 10 programmes with 20 segments each)

Specifications
Power input:	1800 W
Power supply:	230 V, 1/N/PE, 50/60 Hz

Ashing furnaces with muffle chamber made of ceramic fibres and exhaust chimney. Suitable for applications in industry, science and medicine.

• Side, top or down-opening door depending on model
• Outer casing made of powder-coated sheet metal
• Exhaust chimney with fan
• Control panel in the lower part of the oven
• Incl. door safety switch
• Fast heating time
• Good stability and temperature distribution
• Low power consumption

-With basic temperature controller Omron E5CC with adjustable temperature and time (not programmable)

Alternative

Ceramic collecting pans for temperatures up to max. 1300 °C, steel collecting pans for temperatures up to max. 1100 °C.

For temperatures up to max. 1200 °C.

Chimney for connection to an exhaust pipe, catalytic to clean the exhaust air. Compatibility between the furnace and the exhaust system must be checked individually.

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

Dimensions without tube.

Option:

• 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

These chamber furnaces with air circulation are characterized by their extremely high temperature uniformity. Hence, they are especially suitable for processes such as cooling, crystalizing, preheating, curing, but also for numerous processes in tool making. Due to the modular concept, the forced convection furnaces can be adjusted to the process requirements by adding suitable equipment.

• Tmax 450 °C, 650 °C, or 850 °C
• Horizontal air circulation
• Swing door hinged on the right
• Temperature uniformity up to ±4 °C according to DIN 17052-1 (model NA 15/65 and NAT 30/85 up to ±5 °C)
• Optimum air flow and temperature uniformity through high circulation rates
• One frame sheet and rails for two additional trays included in the scope of delivery (NA 15/65 and NAT 30/85 without frame sheet)
• Stainless steel air-baffles in the furnace for optimum air circulation
• Base frame included in the delivery, NA 15/65 and NAT 30/85 designed as table-top model
• Air inlet and exhaust air flaps as additional equipment for using as drying oven
• NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive
• Available with the programmable controllers B 500 and C 540 with adjustable ramps and hold times (NA 15/65 with B 510 or C 550)
• Standard power supply 400 V 3/N/PE 50/60 Hz (NA 15/65: 220 - 240 V, 1/N/PE)

External dimensions vary for versions with additional equipment. Dimensions on request.

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

Optional:

• 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

-Max. temperature 1400 °C (recommended working temperature for processes with longer dwell times is 1300 °C)

• Heating elements on support tubes for free heat radiation, short heating times and long service life
• Heating from two sides
• Flap door can be used as work platform

Alternative Muffle furnaces series LT, max. 1100 °C, with lift door Alternative Muffle furnaces series L, max. 1100 °C, with flap door Alternative Muffle furnaces series L, max. 1200 °C, with flap door Alternative Muffle furnaces series LT, max. 1200 °C, with lift door Alternative Muffle furnaces series LT, max. 1400 °C, with lift door Alternative  Alternative  Alternative  Alternative

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

Optional:

• 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

-Max. temperature 1400 °C (recommended working temperature for processes with longer dwell times is 1300 °C)

• Heating elements on support tubes for free heat radiation, short heating times and long service life
• Heating from two sides
• Lift door with hot surface facing away from the operator

Alternative Muffle furnaces series LT, max. 1100 °C, with lift door Alternative Muffle furnaces series L, max. 1100 °C, with flap door Alternative Muffle furnaces series L, max. 1200 °C, with flap door Alternative Muffle furnaces series LT, max. 1200 °C, with lift door Alternative  Alternative  Alternative  Alternative

Muffle furnaces with fibre-insulated chambers and ceramic heating plates. Suitable for thermal treatments in industry, science and medicine.

• Side, top or down-opening door depending on model
• Outer casing made of powder-coated sheet metal
• Ceramic bottom plate
• Control panel in the lower part of the oven
• Incl. door safety switch
• Fast heating time
• Good stability and temperature distribution
• Low power consumption

-With basic temperature controller Omron E5CC with adjustable temperature and time (not programmable)

Alternative  Alternative  Alternative  Alternative  Alternative  Alternative  Alternative