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Products- Details

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Details

LM-model

tmax up to 1280 °C

Laboratory chamber furnace, ASW insulation, Tmax 1280°C, 5,1 - 18,9 l

Applications:

annealing, ashing, calcination, firing, fusion, heat treatment, melting, oxydation, pre-heating, sample preparation for spectroscopy, shrink fitting, sintering, soldering, stress-relieving, tempering

The most important characteristics

  • Perfect for heat treatment and sintering
  • Also used in laboratories for numerous processes
  • Fiber insulated laboratory muffle furnace
  • Compact muffle furnace
  • Max. operating temperature 1280°C 
  • Wide range of capabilities
  • Very light weight
  • Easy to handle 

We make it possible

Linn High Therm is specialized in customizing its products to customer´s needs. Please let us know if you desire any modifications. 

Options

  • Exhaust device
  • Gas flushing
  • Post combustion burner
  • Program controller
  • Screen recorder

Product Specifications

Sizes

model

liters

Inside dimensions mm

(wxdxh)

T. max °C

heating power

kW

LM-322

5,1

185 x 295 x 95

1280

2,8

LM-422

8,4

185 x 295 x 155

1280

3,2

LM-522

18,9

210 x 410 x 230

1280

8,0

Technical details

Furnace housing

The furnace housing as well as the door consists of a mild steel construction. As protection against corrosion the furnace parts are powder coated.

The chosen colours give a nice appearance to the whole furnace. The door is designed as a swivelling door and is mechanically linked with the furnace housing.

Insulation

The fibre insulation is made from a block of high purity alumina fibre using the vacuum-drawing process, followed by pre-sintered fibre insulation boards.

Due to the fibre insulation materials high thermal power at low energy consumption is achieved. This also results in a low furnace weight.

Heating

The surface of the SIC muffle is wired with heating spirals, providing a constant temperature distribution inside the chamber. In connection with the insulation extremely short heating up - and cooling down cycles at low heating power will be obtained.

Control unit

The control system is installed in the lower furnace part. It is equipped with the following components:

 

- safety controller for overtemperature switch off

- temperature controller with a pre-set heating ramp (Eurotherm 3216)

- switch for heating

- main switch

- controlling thermocouple 2xNiCrSi-NiSi (type “N”)

- for 1280°C version: controlling thermocouple 2xPt13Rh-Pt (type “R”)

- electronic load relay

- door limit switch for cutting power to heating element while door is in open   condition.

Product properties

Product Line: type series
Operation Mode: Batch
Construction Types: Furnace
Designs: Chamber furnace, Laboratory furnace
Temperature Max (°C): 1280
Heatings: electrical
Heatingmethods: resistance
Atmospheres: Air
Applications:annealing, ashing, calcination, firing, fusion, heat treatment, melting, oxydation, pre-heating, sample preparation for spectroscopy, shrink fitting, sintering, soldering, stress-relieving, tempering

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