Snol 3/1100 LHM21 Ashing Muffle Furnace

3L ashing furnace with a maximum temperature of 1100°C

Product Code

3/1100 LHM21


Lead time: Usually 6-8 weeks


The 3/1100 LHM21 ashing muffle furnace from Snol is designed specifically for high-temperature applications, capable of reaching a maximum temperature of 1100°C. It is ideal for material testing, as well as heat treatment and ashing proceedures. The vacccumed ceramic fiber chamber, providing excellent thermal insulation and maintaining a low-pressure or vaccum environment as required by the application.  The inclusion of fan-assisted chimney in the deisgn of a chamber permits the effective elimination of smoke generated during the process by creating an airflow that helps to exhaust and remove the smoke from the chamber, ensuring a cleaner and healthier environment.

The furnace features a one-piece high thermal efficiency vaccum-formed ceramic fiber chamber, allowing for easy cleaning and maintenance. The embedded heating elements on all four sides of a chamber provide uniform temperature control, facilitate heat transfer, ensure thermal uniformity, enable rapid heating, and allow for heat recovery or management.

Features of the 3/1100 LHM21 Ashing Muffle Furnace

  • 3 Litres chamber volume.
  • Temperature range: +10 to +1100°C.
  • Chamber internal dimensions (WxDxH): 12 x 20 x 10.5 cm.
  • Door safety interlock switch to protect the user and the sample.
  • Top-opening door allows for convenient access to load and unload the samples for the process.
  • Digital PID temperature controller E5CC with 1 program and 2 steps.
  • Fan assisted chimney for smoke and humidity extraction.
  • Choose powder painted grey or metal sheet exterior.
  • For the ability to program ramp times, start times, etc. see controller upgrade options below
  • Upgrades available:
    • Buzzer
    • Process observation window (o 35 mm) up to 1100 °C
    • Overheat protection
    • Additional ceramic hearth plates
    • Data recorder
  • 12 months manufacturer warranty

See full technical specifications on Snol website for Snol 3/1100 LHM21 Ashing Furnace

Buy Snol ashing furnaces online, or speak to our team on 01257 270 433 to discuss your options. This furnace is available to buy online in a choice of external finishes, or contact us to discuss optional upgrades, if required. All Snol furnaces come with 12 month manufacturer warranty for complete peace of mind. Want more info?


Additional information

Weight17 kg
Dimensions52 × 34.5 × 43 cm


3/1100 LHM21



Chamber Capacity

3 Litres

Maximum Temperature


Inner Chamber dimensions (W x D x H)

12 x 20 x 10.5 cm

Maximum heating-up time (without charge), min.

35 minutes

Chamber material

Fiber muffle

External Finish

Painted, Stainless Steel


1 year (Manufacturer Warranty)

Lead Time

Lead time: Usually 6-8 weeks


See full technical specifications on Snol website for Snol 3/1100 LHM21 Ashing Furnace

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