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% Nabertherm L 9/12/C550 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With flap door (L) • 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 C550 • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm L 9/12/B510 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With flap door (L) • 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) • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm LT 9/12/C550 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With lift door (LT) • 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 C550 • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm LT 9/12/B510 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With lift door (LT) • 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) • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door
% Nabertherm LT 9/11/C550 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With lift door (LT) • 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 C550 • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm LT 9/11/B510 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With lift door (LT) • 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) • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm L 5/12/C550 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With flap door (L) • 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 C550 • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm L 5/12/B510 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With flap door (L) • 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) • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door
% Nabertherm L 5/11/C550 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With flap door (L) • 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 C550 • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm L 5/11/B510 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With flap door (L) • 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) • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm LT 5/12/C550 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With lift door (LT) • 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 C550 • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm LT 5/12/B510 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With lift door (LT) • 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) • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door
% Nabertherm LT 5/11/C550 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With lift door (LT) • 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 C550 • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm LT 5/11/B510 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With lift door (LT) • 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) • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm L 3/12/C550 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With flap door (L) • 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 C550 • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm L 3/12/B510 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With flap door (L) • 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) • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door
% Nabertherm L 3/11/C550 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With flap door (L) • 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 C550 • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm L 3/11/B510 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With flap door (L) • 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) • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm LT 3/12/C550 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With lift door (LT) • 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 C550 • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door	% Nabertherm LT 3/12/B510 muffle furnace The muffle furnaces L 3/11 - LT 60/12 have been proven for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design, and high level of reliability. Standard Equipment • 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 S (1200 °C) • Ceramic heating plates with integral heating element which is safeguarded and easy to replace • With lift door (LT) • 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) • Solid state relays provide for lownoise operation Option • Chimney, chimney with fan or catalytic converter (not for L 1 and L 15) • Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load • Protective gas connection to purge with non-flammable process gases (not available in combination with chimney, chimney with fan or catalytic converter) not gas tight • Manual or automatic gas supply system • Port for thermocouple in the rear wall or in the furnace door