Choose this muffle furnace variant when you need to lower and load the charge into the furnace from the top. In this muffle furnace as well, the heating spirals are outside the furnace chamber and are covered with a resilient ceramic muffle, so aggressive flue gases cannot even reach them. The furnace is furthermore also protected with exhaust ventilation that prevents condensation of vapours during firing.

Benefits

• Easy to install, easy to control
• Custom adjustments
• Delivery times within 5 weeks
• Noise-free operation
• 36-month warranty
• Immediate technical support
• Even temperature distribution
• Mechanical durability
• Chemical durability

Charge treatment technology

(PS = partially suitable)

• Enamel firing (PS)
• Sintering
• Heat treatment of metal materials (PS)
• Melting metal materials
• Glass fusing
• Material testing (PS)

Technical parameters

*Protection can vary depending on accessories added (at additional cost).
Subject to technical changes.

Standard equipment

• Ht40AL controller (1 programme: 2x run-up, 2x dwell)
• heating spiral coiled on muffle, outside the furnace space
• muffle insulated using a mineral-fibre mat
• lid of loading aperture lined with mineral-fibre insulation
• “S” type thermocouple
• contactless switching relay for noise-free operation
• limit switch for safe opening of the door
• all electrical elements are located in the space under the muffle
• power cable fitted with one-phase plug
• removable lid fitted with a handle
• tabletop variant

Optional accessories available at additional cost

• HtIndustry/Ht205 controller (30 programmes with 15 steps each)/Ht200 controller (30 programmes with 25 steps each, USB interface)
• intake of protective atmosphere (manually or automatically controlled gas intake)
• calibration of the controller’s measuring input
• RS232 or EIA485 interfaces including software and cabling
• HtMonit set (software + interface)

Note: When combining accessories (at additional cost), consult with our technical office.