Muffle Furnace upto 1100 °C/1200 °C

Lab Furnace With Ceramic Heating Plates

Model No. :

Brand : Nabertherm

These industry-standard muffle furnaces are designed for versatile laboratory applications, utilizing heating elements protected by quartz glass tubes for enhanced durability. The dual-shell stainless steel housing ensures structural stability while maintaining low external surface temperatures during high-heat operations.

Two sided heating from both sides
Quartz glass tube protected heating elements
Dual shell housing for low temperatures

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− Features

Tmax 1100 °C or 1200 °C
Heating from two sides by ceramic heating plates (heating from three sides for muffle furnaces L 24/11 – LT 60/12) for an optimal temperature uniformity
Temperature uniformity of +/− 5 K with closed fresh-air inlet in empty work space according to DIN 17052-1 at working temperatures above 800 °C
Thermocouple type N (1100 °C) or type S (1200 °C)
Ceramic heating plates with integral heating element which is safeguarded and easy to replace
Optional flap door (L) which can be used as work platform or lift door (LT) with hot surface facing away from the operator
Dual shell ventilated housing made of textured stainless steel sheets for low surface temperature and high stability
Exclusive use of insulation materials without categorization according to EC Regulation No 1272/2008 (CLP).
This explicitly means that . alumino silicate wool, also known as “refractory ceramic fiber” (RCF), which is classified and possibly carcinogenic, is not used.
Adjustable air inlet integrated in door (see illustration)
Exhaust air outlet in rear wall of furnace
Controller with touch operation B510 (5 programs with each 4 segments) resp. controller R8 for L 1/12 (adjustable for one temperature)
Solid state relays provide for lownoise operation
Defined application within the constraints of the operating instructions
NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

+ Technical Specifications

Model		L(T) 3/11	L(T) 5/11	L(T) 9/11	L(T) 15/11	L(T) 24/11	L(T) 40/11	LT 60/11
Tmax	in °C¹	1,100	1,100	1,100	1,100	1,100	1100	1100
Inner dimensions in mm	w	160	205	235	230	280	320	380
Inner dimensions in mm	d	140	170	240	340	340	490	490
Inner dimensions in mm	h	100	130	170	170	250	250	330
Volume	in l	3	5	9	15	24	40	60
Outer dimensions² in mm	w	385	385	415	415	490	530	610
Outer dimensions² in mm	d	330	390	455	555	555	705	705
Outer dimensions² in mm	h³	405+155	460+205	515+240	515+240	580+320	580+320	660+385
Temperature uniformity of +/− 5K in the empty workspace⁵	w	110	170	180	180	230	270	290
Temperature uniformity of +/− 5K in the empty workspace⁵	d	50	80	150	250	250	400	360
Temperature uniformity of +/− 5K in the empty workspace⁵	h	50	80	120	120	200	200	240
Connected load⁶	in kW	1	2.6	3.3	3.5	4.9	6.5	9.8
Electrical	connection	1-phase	1-phase	1-phase	1-phase	3-phase	3-phase	3-phase
Weight	in kg	21	27	35	43.00	52.00	70	83
Heating time	in min⁴	41	47	63	74	69	80	150

Model		L 1/12	L(T) 3/12	L(T) 5/12	L(T) 9/12	L(T) 15/12	L(T) 24/12	L(T) 40/12	LT 60/12
Tmax	in °C¹	1,200	1,200	1,200	1,200	1,200	1200	1200	1200
Inner dimensions in mm	w	90	160	205	235	230	280	320	380
Inner dimensions in mm	d	115	140	170	240	340	340	490	490
Inner dimensions in mm	h³	110	100	130	170	170	250	250	330
Volume	in l	1	3	5	9	15	24	40	60
Outer dimensions² in mm	w	290	385	385	415	415	490	530	610
Outer dimensions² in mm	d	280	330	390	455	555	555	705	705
Outer dimensions² in mm	h³	410	405+155	460+205	515+240	515+240	580+320	580+320	660+385
Temperature uniformity of +/− 5K in the empty workspace⁵	w	40	110	170	180	180	230	270	290
Temperature uniformity of +/− 5K in the empty workspace⁵	d	45	50	80	150	250	250	400	360
Temperature uniformity of +/− 5K in the empty workspace⁵	h	60	50	80	120	120	200	200	240
Connected load⁶	in kW	2	1.3	2.6	3.3	3.5	4.9	6.5	9.8
Electrical	connection	1-phase	1-phase	1-phase	1-phase	1-phase	3-phase	3-phase	3-phase
Weight	in kg	15	21	27	35.00	43.00	52	70	83
Heating time	in min⁴	25	48	59	78	99	82	97	160

¹Recommended working temperature for processes with longer dwell times is 1000 °C (L../11) rsp. 1100 °C (L../12)
²External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.
³Including opened lift door (LT models)
⁴Heating time of the empty and closed furnace up to Tmax −100 K (connected to 230 V 1/N/PE rsp. 400 V 3/N/PE)
⁵Temperature uniformity of +/− 5 K with closed fresh-air inlet in empty work space according to DIN 17052-1 at working temperatures above 800 °C see page 77
⁶The connected load refers to the standard furnace and may increase for a furnace with additional equipment. For furnaces with connection options for multi-range voltages, the connected load applies to the highest permissible connected voltage.

+ Resources

Features

Tmax 1100 °C or 1200 °C
Heating from two sides by ceramic heating plates (heating from three sides for muffle furnaces L 24/11 – LT 60/12) for an optimal temperature uniformity
Temperature uniformity of +/− 5 K with closed fresh-air inlet in empty work space according to DIN 17052-1 at working temperatures above 800 °C
Thermocouple type N (1100 °C) or type S (1200 °C)
Ceramic heating plates with integral heating element which is safeguarded and easy to replace
Optional flap door (L) which can be used as work platform or lift door (LT) with hot surface facing away from the operator
Dual shell ventilated housing made of textured stainless steel sheets for low surface temperature and high stability
Exclusive use of insulation materials without categorization according to EC Regulation No 1272/2008 (CLP).
This explicitly means that . alumino silicate wool, also known as “refractory ceramic fiber” (RCF), which is classified and possibly carcinogenic, is not used.
Adjustable air inlet integrated in door (see illustration)
Exhaust air outlet in rear wall of furnace
Controller with touch operation B510 (5 programs with each 4 segments) resp. controller R8 for L 1/12 (adjustable for one temperature)
Solid state relays provide for lownoise operation
Defined application within the constraints of the operating instructions
NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Technical Specifications

Model		L(T) 3/11	L(T) 5/11	L(T) 9/11	L(T) 15/11	L(T) 24/11	L(T) 40/11	LT 60/11
Tmax	in °C¹	1,100	1,100	1,100	1,100	1,100	1100	1100
Inner dimensions in mm	w	160	205	235	230	280	320	380
Inner dimensions in mm	d	140	170	240	340	340	490	490
Inner dimensions in mm	h	100	130	170	170	250	250	330
Volume	in l	3	5	9	15	24	40	60
Outer dimensions² in mm	w	385	385	415	415	490	530	610
Outer dimensions² in mm	d	330	390	455	555	555	705	705
Outer dimensions² in mm	h³	405+155	460+205	515+240	515+240	580+320	580+320	660+385
Temperature uniformity of +/− 5K in the empty workspace⁵	w	110	170	180	180	230	270	290
Temperature uniformity of +/− 5K in the empty workspace⁵	d	50	80	150	250	250	400	360
Temperature uniformity of +/− 5K in the empty workspace⁵	h	50	80	120	120	200	200	240
Connected load⁶	in kW	1	2.6	3.3	3.5	4.9	6.5	9.8
Electrical	connection	1-phase	1-phase	1-phase	1-phase	3-phase	3-phase	3-phase
Weight	in kg	21	27	35	43.00	52.00	70	83
Heating time	in min⁴	41	47	63	74	69	80	150

Model		L 1/12	L(T) 3/12	L(T) 5/12	L(T) 9/12	L(T) 15/12	L(T) 24/12	L(T) 40/12	LT 60/12
Tmax	in °C¹	1,200	1,200	1,200	1,200	1,200	1200	1200	1200
Inner dimensions in mm	w	90	160	205	235	230	280	320	380
Inner dimensions in mm	d	115	140	170	240	340	340	490	490
Inner dimensions in mm	h³	110	100	130	170	170	250	250	330
Volume	in l	1	3	5	9	15	24	40	60
Outer dimensions² in mm	w	290	385	385	415	415	490	530	610
Outer dimensions² in mm	d	280	330	390	455	555	555	705	705
Outer dimensions² in mm	h³	410	405+155	460+205	515+240	515+240	580+320	580+320	660+385
Temperature uniformity of +/− 5K in the empty workspace⁵	w	40	110	170	180	180	230	270	290
Temperature uniformity of +/− 5K in the empty workspace⁵	d	45	50	80	150	250	250	400	360
Temperature uniformity of +/− 5K in the empty workspace⁵	h	60	50	80	120	120	200	200	240
Connected load⁶	in kW	2	1.3	2.6	3.3	3.5	4.9	6.5	9.8
Electrical	connection	1-phase	1-phase	1-phase	1-phase	1-phase	3-phase	3-phase	3-phase
Weight	in kg	15	21	27	35.00	43.00	52	70	83
Heating time	in min⁴	25	48	59	78	99	82	97	160

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