Compact Tube Furnaces up to 1300 °C

Equipped with a standard working tube of C 530 ceramic and two fiber plugs, these tube furnaces have a very good price/performance ratio.

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Process Control

Function and equipment

Tube furnace R 170/1000/13

Tube furnace R 50/250/13 with gas supply system 2

Tube furnace R 50/500/12 with three zone control

Gas panel for one non-flammable protective or reactive gas (N2, Ar, He, CO2, air, forming gas)

Gas panel for one non-flammable process gas (N2, Ar, He, CO2, air, forming gas)

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These compact tube furnaces with integrated control systems can be used universally for many processes. Equipped with a standard working tube of C 530 ceramic and two fiber plugs, these tube furnaces have a very good price/performance ratio.

Standard Equipment

Tmax 1200 °C or 1300 °C
Single-zoned design
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.
Outer tube diameter of 50 mm to 170 mm, heated length from 250 mm to 1000 mm
Ceramic working tube C 530 including two fiber plugs for operation under air
Thermocouple type N (1200 °C) or type S (1300 °C)
Solid state relays provide for lownoise operation
Heating elements on support tubes provide for free radiation
Defined application within the constraints of the operating instructions
NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive
Controller with touch operation B510 (5 programs with each 4 segments)

Additional equipment

Additional Equipment

Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load
Charge control with temperature measurement in the working tube
Three-zoned design (heated length from 500 mm) for optimization of temperature uniformity
Gas supply systems 1, 15, 2 or 4
Process control and documentation via VCD software package for monitoring, documentation and control

Technical specifications

Model	Tmax¹	Outer dimensions³ in mm			Outer tube Ø	Heated	Length constant¹		Tube length	Max. connected	Electrical	Weight
						length	temperature +/− 5 K in mm			load
	in °C	W²	D	H	in mm	in mm	single-zoned	three-zoned	in mm	in kW	connection	in kg
R 50/250/12	1200	434	340	508	50	250	80	-	450	1.9	1-phase	22
R 50/500/12	1200	670	340	508	50	500	170	250	700	3.4	1-phase	34
R 120/500/12	1200	670	410	578	120	500	170	250	700	6.6	3-phase	44
R 170/750/12	1200	920	460	628	170	750	250	375	1070	10.6	3-phase	74
R 170/1000/12	1200	1170	460	628	170	1000	330	500	1400	13.7	3-phase	89

R 50/250/13	1300	434	340	508	50	250	80	-	450	1.9	1-phase	22
R 50/500/13	1300	670	340	508	50	500	170	250	700	3.4	1-phase	34
R 120/500/13	1300	670	410	578	120	500	170	250	700	6.6	3-phase	44
R 170/750/13	1300	920	460	628	170	750	250	375	1070	12.0	3-phase	74
R 170/1000/13	1300	1170	460	628	170	1000	330	500	1400	13.7	3-phase	89
¹Values outside the tube. Difference to temperature inside the tube up to + 50 ²Without tube ³External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.