Carbolite LHT GR Graphite Insulation Laboratory Furnace

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Carbolite LHT GR Graphite Insulation Laboratory Furnace
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Product Features

  • Compact design suited for laboratories
  • Best possible vacuum
  • Vacuum level < 5 x 10-6 mbar
  • Partial pressure 10 - 1000 mbar
Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
  • If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
    with our best shipping prices along with your quote.
  • Please see our delivery page for full information

The Carbolite LHT GR Graphite Insulation Laboratory Furnace has a compact design, making it the perfect tool for laboratories in research and development environments. The cylindrical usable space of the laboratory furnace is surrounded by the heating elements and insulation material. The heated chamber is integrated into the water cooled vessel. As a result of the small volume, the LHT is ideal for small samples and requires minimal operating space. 

The system is supported by a single frame platform which supports the furnace and electronic cabinet containing the software controls. Casters are attached to the supporting platform, which allows the whole system to move easily. For universities and industrial research laboratories, the LHT series is a perfect fit for such operating areas.

The small overall dimensions and simple operation result in a cost effective system without any performance loss in temperature uniformity or atmospheric quality. Additionally, the cylindrical design is best suited for overpressure heat treatment processes. Upon request, the system can be equipped with a suitable locking device and all necessary equipment for safe overpressure operations up to 100 bar. 

The LHTG has heating elements and insulation material made from graphite. Graphite based LHT models are temperature controlled by pyrometers. An over-temperature thermocouple can be added as an option, which is highly recommended for unattended operation. Under Argon environment, the maximum temperature is 3000 °C, which requires the use of a pyrometer to measure the chamber temperature. The pyrometer is combined with the use of a sliding thermocouple to measure temperatures at the beginning of the process as the initial temperatures are not high enough to be detected by the pyrometer.

Application Examples

brazing, carbonization, debinding, degassing, drying, metal injection moulding (MIM), pyrolysis, rapid prototyping, siliconization, sintering, synthesis, tempering

  • Overpressure operation up to 100 bar possible
  • High temperature top loader up to 3000 °C with Graphite
  • Hydrogen partial pressure operation on demand
  • Precisely controlled vacuum pumping speeds appropriate for use with powders
  • Data recording for quality management

LHTG 100-200/22-1G

Insulation material Graphite
Volume (l) 1.5
Tmax vacuum (°C) 2200
Tmax atmospheric pressure (°C) 2200

LHTG 100-200/30-1G

Insulation material Graphite
Volume (l) 1.5
Tmax vacuum (°C) 2200
Tmax atmospheric pressure (°C) 3000

LHTG 200-300/22-1G

Insulation material Graphite
Volume (l) 10
Tmax vacuum (°C) 2200
Tmax atmospheric pressure (°C) 2200

LHTG 200-300/30-1G

Insulation material Graphite
Volume (l) 10
Tmax vacuum (°C) 2200
Tmax atmospheric pressure (°C) 3000
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