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Nabertherm Muffle Furnace L 15/12/B510, 15 l, Tmax 1,200 °C, Flap Door, L-155K2AL

Product information "Nabertherm Muffle Furnace L 15/12/B510, 15 l, Tmax 1,200 °C, Flap Door, L-155K2AL"

The Nabertherm L 15/12 combines 15 litres of usable space with Tmax 1,200 °C. To reach Tmax minus 100 K, the empty, closed furnace needs around 99 minutes, the flap door serves as a shelf during loading.

Construction, heating and insulation

Compared with the L 15/11 at 74 minutes, heating up takes 25 minutes longer, the target value Tmax minus 100 K here is 1,100 °C instead of 1,000 °C. Inside, the usable space measures 230 x 340 x 170 mm, externally 415 x 555 x 515 mm. Ceramic heating plates with integrated heating wire heat from two sides, the housing is double walled, rear ventilated and made of textured stainless steel sheet. Insulation is exclusively with material without CLP classification under Regulation (EG) Nr. 1272/2008, without aluminium silicate wool.

Controller and thermocouple

Control is handled by the B510, a touch controller with 5 programs of 4 segments each. Process data is saved via NTLog Basic on a USB stick, the heating stays quiet thanks to solid state relays. Because Tmax is 1,200 °C, a type S thermocouple is used. According to DIN 17052-1, the temperature uniformity is +/-5 K, measured above 800 °C in the empty usable space with the air inlet slide closed.

Flap door and safety

The flap door opens forwards and can be used as a shelf while doing so, an opening in the door regulates the air inlet, exhaust is removed via the rear wall. Additional protection against over-temperature is provided by the optionally orderable adjustable temperature limiter with adjustable cut-off temperature.

Selection guide for the right temperature class

If the lower temperature class is sufficient, the L 15/11 (article no. L-155K1AL) with a type N thermocouple is the alternative. More usable space at Tmax 1,200 °C is offered by the L 24/12, the L 40/12 and the L 60/12 with heating from three sides, all on request.

Typical applications

The L/LT series is intended for use in laboratory and research. The L 15/12 suits where 15 litres of usable space are sufficient, but the samples need temperatures up to 1,200 °C.

  • Laboratory samples requiring temperatures up to 1,200 °C
  • Research setups with 15 litres of usable space

Technical details

Manufacturer model designationL 15/12
Tmax1,200 °C
Usable volume15 l
Internal dimensions W x D x H230 x 340 x 170 mm
External dimensions W x D x H415 x 555 x 515 mm
Connected load3.5 kW, single phase
Weight43 kg
Heating time to Tmax -100 K99 min (empty, closed furnace, 230 V 1/N/PE or 400 V 3/N/PE)
HeatingTwo sides, ceramic heating plates
Temperature uniformity+/-5 K according to DIN 17052-1 (from 800 °C, empty usable space)
ThermocoupleType S
ControlB510, touch, 5 programs of 4 segments each
DoorFlap door
Housingdouble walled, rear ventilated, textured stainless steel sheet
Insulation materialwithout CLP classification (EG) Nr. 1272/2008, no RCF fibre

Other models in the series

The table shows all models in the L/LT series with Tmax 1,200 °C and flap door, sorted by usable volume:

ModelVolumeTmaxDoor
L 1/12 (on request)1 l1,200 °CFlap door
L 3/123 l1,200 °CFlap door
L 5/125 l1,200 °CFlap door
L 9/129 l1,200 °CFlap door
L 15/12 (this page)15 l1,200 °CFlap door
L 24/12 (on request)24 l1,200 °CFlap door
L 40/12 (on request)40 l1,200 °CFlap door
L 60/12 (on request)60 l1,200 °CFlap door

Scope of delivery

  • 1x Nabertherm muffle furnace L 15/12 with controller B510

Regulatory information

The device is an electrical appliance within the meaning of the German Electrical and Electronic Equipment Act (ElektroG). The WEEE registration number of the manufacturer Nabertherm GmbH is DE 31598342. Information on the return of old appliances can be found on our Environment and disposal page.

Individual requirements and procurement service

For the L 15/12, an exhaust chimney with fan or catalytic converter variant, a temperature limiter, a protective gas connection, and a manual or automatic gas supply system can be ordered ex works. In addition, there is the thermocouple feedthrough in the rear wall or door, the VCD software package for documentation, and for multi level loading up to 800 °C a charging frame (2 to 3.5 kg per level, depending on the model). LT Laborhandel assesses the options personally on request.