NABERTHERM LT Series Muffle Furnaces

LT Series Muffle Furnaces

Introduction
The LT Series Muffle Furnaces are manufactured by Nabertherm GmbH, a German company recognized worldwide as one of the leading original producers of laboratory and industrial furnaces. With decades of expertise, Nabertherm furnaces are known for their precision engineering, reliability, and innovative design, making them the benchmark for muffle furnaces in laboratories and research facilities.

Product Overview
The LT Series Muffle Furnaces (models L 3/11 – LT 60/12) are designed for daily laboratory use, offering excellent workmanship, advanced design, and high reliability. These furnaces are equipped with a lift door and provide precise temperature control for a wide range of applications.

Key Features

• Maximum temperature: 1100 °C or 1200 °C
• Heating from two sides by ceramic heating plates (three sides for L 24/11 – LT 60/12) for optimal uniformity
• Temperature uniformity of ±5 K (DIN 17052-1) above 800 °C
• Thermocouple type N (1100 °C) or type S (1200 °C)
• Ceramic heating plates with integral heating element, safeguarded and easy to replace
• Lift door (LT) with hot surface facing away from operator
• Dual shell ventilated housing made of textured stainless steel for low surface temperature and high stability
• Insulation materials free from carcinogenic refractory ceramic fiber (RCF)
• Adjustable air inlet integrated in door
• Exhaust outlet in rear wall
• Controller options: B510 (5 programs × 4 segments) or R8 (single temperature for L 1/12)
• Solid state relays for low-noise operation
• NTLog Basic for process data recording via USB

Specifications
Please refer to the official site for full specifications and detailed model data.

Additional Equipment

• 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
• Process control and documentation via VCD software package for monitoring, documentation and control
• Charging rack with closed or perforated trays for loading the furnace in two levels, including holder for inserting/removing the trays up to a max. temperature of 800 °C and a max. loading weight per layer of:
  • 2 kg for the L(T) 9/11
  • 3 kg for the L(T) 15/11
  • 3.5 kg for the L(T) 24/11 and L(T) 40/11