Nabertherm High-Temperature Tube Furnace with SiC Rod Heating Gas Atmosphere or Vacuum, RHTC series, 1500°C

SKU: RHTC series

These compact tube furnaces with SiC rod heating and integrated switchgear and controller can be used universally for many processes. With an easy to replace working tube as well as additional standard equipment options, these furnaces are flexible and can be used for a wide range of applications. The high-quality fiber insulation ensures fast heating and cooling times. The SiC heating rods installed parallel to the working tube ensure excellent temperature uniformity. The price-performance ratio for this temperature range is unbeatable.

  • Tmax 1500 °C
  • Dual shell housing made of sheets of textured stainless steel
  • Only fiber materials are used which are not classified as carcinogenic according to TRGS 905, class 1 or 2
  • Active cooling of housing for low surface temperatures
  • Type S thermocouple
  • Solid state relays provide for low-noise operation
  • Prepared for assembly of working tubes with water-cooled flanges
  • Ceramic tube, C 799 quality
  • Defined application within the constraints of the operating instructions
  • NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Additional equipment

  • Over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
  • Charge control with temperature measurement in the working tube and in the furnace chamber outside the tube
  • Fiber plugs
  • Check valve at gas outlet avoids intrusion of false air
  • Working tubes for operation with water-cooled flanges
  • Display of inner tube temperature with additional thermocouple
  • Alternative gas supply systems for protective gas or vacuum operation
  • Process control and documentation via VCD software package for monitoring, documentation and control
Model Tmax Outer dimensions4 in mm Outer tube Ø/ Heated Length constant Tube length Connected Electrical Weight

in mm length
in mm temperature +/- 5 K in mm3 
in mm load 
connection* in 
RHTC 80-230/15 1500 600 440 585 80 230 80 600 7.5 3-phase2 50
RHTC 80-450/15 1500 820 440 585 80 450 150 830 11.3 3-phase1 70
RHTC 80-710/15 1500 1075 440 585 80 710 235 1080 13.8 3-phase1 90

Nabertherm Laboratory Furnaces Brochure