Due to their solid construction and compact stand-alone design, these high-temperature furnaces are perfect for processes in the laboratory where
the highest precision is needed. Oustanding temperature uniformity and practical details set very high quality benchmarks. For configuration for your
processes, these furnaces can be extended with extras from our extensive option list.

Standard Equipment
· Tmax 1600 °C, 1750 °C, or 1800 °C
· Recommended working temperature 1750 °C (for models HT ../18), increased
wear and tear must be expected in case of working at higher temperatures
· Dual shell housing with fan cooling for low shell temperatures
· Heating from both sides via molybdenum disilicide heating elements
· High-quality fiber insulation backed by special insulation
· Side insulation constructed with tongue and groove blocks provides for low heat
loss to the outside
· Long-life roof insulation with special suspension
· Chain-guided parallel swivel door for defined opening and closing of the door
· Two-door design (front/back) for high-temperature furnaces from HT 276/..
· Labyrinth sealing ensures the least possible temperature loss in the door area
· Reinforced floor as protection for bottom insulation as standard from models
HT 16/16 upwards (distributed load 5 kg/dm2)
· Vapor vent in the furnace roof with motorized exhaust air flaps, controlled via the
extra function of the controller
· Heating elements switched via thyristors

Additional Equipment
· Cooling system to cool the furnace with a defined temperature gradient or with
a preset fresh air volume. Both operating modes can be switched on and off for
different segments by means of the extra function of the controller.
· Safety package for debinding in air. Debinding technical ceramics is a critical
process because of the hydrocarbons that are released. Hydrocarbons are
flammable and there is a risk that a flammable mixture could form inside the
furnace. Nabertherm offers tailored safety packages with respect to the process
and the volume of binder that allow the furnace to be operated safely.
· Special heating elements for zirconia sintering
· Protective gas connection to purge with non-flammable protective or reaction
gases
· Automatic gas supply system with solenoid valve and rotameter, controlled by
the extra function of the controller
· Inner process box to improve the gas tightness and to protect the furnace
chamber against contamination
· Refractory brick floor insulation for a higher floor load (Tmax 1700 °C)
· Lift door
· Automatic door lock incl. door contact switch
· Ethernet interface

Designed as tabletop models, these compact high-temperature furnaces have a variety of advantages. The first-class workmanship using high-quality
materials, combined with ease of operation, make these furnaces all-rounders in research and the laboratory. These high-temperature furnaces are also
perfectly suited for the sintering of technical ceramics, such as zirconium oxide dental bridges.

Standard Equipment
· Tmax 1600 °C, 1750 °C, or 1800 °C
· Recommended working temperature 1750 °C (for models LHT ../18), increased
wear and tear must be expected in case of working at higher temperatures
· High-quality molybdenum disilicide heating elements
· Adjustable air inlet opening, exhaust air opening in the roof
· Type B thermocouple
· Controller P470 (50 programs with each 40 segments), controls description see
page 75

Additional Equipment
· Over-temperature limiter with adjustable cutout temperature as temperature
limiter to protect the oven and load
· Protective gas connection to purge with non-flammable protective or reaction
gases, not gas tight
· Manual or automatic gas supply system

This weighing furnace with integrated precision scale and software, was designed especially for combustion loss determination in the laboratory. The
determination of combustion loss is necessary, for instance, when analyzing sludges and household garbage, and is also used in a variety of other
processes for the evaluation of results. The difference between the charged total mass and the combustion residue is the combustion loss. During the
process, the software included records both the temperature and the weight loss.

Standard Equipment
Like muffle furnaces L(T), except:
· Delivery includes base, ceramic plunger with base plate in the furnace lining,
precision scale and software package
· 4 scales available for different maximum weights and scaling ranges
· Process control and documentation for temperature and combustion loss via
VCD software package for monitoring, documentation and control see page 74
· Controller B410 (5 programs with each 4 segments), alternative controllers see
page 75

Additional Equipment
· Chimney, chimney with fan or catalytic converter
· Over-temperature limiter with adjustable cutout temperature as temperature
limiter to protect the oven and load
· Port for thermocouple in the rear wall or in the furnace door
· Please see page 24 for more accessories