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Muffle Furnaces

These economical, benchtop muffle furnaces have one-piece ceramic chambers with the heating elements completely hidden. They are suitable for most heat-treatment processes at temperatures up to 1050°C (1922°F) or higher for brief periods. For particular applications, these furnaces may also be equipped for adjustable airflow or controlled inert atmospheres, special controller requirements, over-temperature protection, remote monitoring etc.

Specifications

Max Temp. 1199°C
1050°C (continuous)
Lining High alumina, cast one-piece muffle
Elements Wire – Kanthal A1
Thermocouple Type ‘K’ or type ‘N’
Power Control Solid State Relay(s) via temperature controller and incorporating a power isolating, door
interlock switch
Construction Twin skin construction with extruded aluminium frame, clad in steel panels, all powder coated for easy cleaning, over a steel-cased heating module
Insulation Ceramic fibre and ceramic fibre board insulation around the wire wound muffle
Door Standard: Stainless steel, counter-balanced top-opening door.
Optional: Stainless steel, centre-pivot, side-opening door
Temperature Controller Digital PID or programmable precision temperature controller
Over temp. Protection Optional: Monitory control using a limit controller and discrete thermocouple
Venting Standard: Non-assisted with exhaust tube through top
Optional: Rear chimney or adjustable preheated airflow for ashing or cupellation work
Model No. WW31A WW71A WW161A
Chamber H x W x D 90 x 165 x 245 mm 140 x 170 x 290 mm 160 x 235 x 430mm
Power 2.4kW 3.6kW 4.8kW
External H x W x D 530 x 495 x 450 mm 610 x 495 x 500 mm 685 x 615 x 730 mm
Weight 35kg 43kg 75kg

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