Ai RTF1200 series top-open tube furnaces feature the famous Kanthal (Sweden) spiral wire coils embedded in Mitsubishi (Japan) high-quality grade 1500 alumina fiber insulation. A double-walled steel internal housing helps minimize heat loss to the exterior surface.
Furnace operation is controlled by Eurotherm (UK) multi-segment digital controller, allowing the user to connect to a PC for remote control and monitoring of the furnace.
Controller Options:
Eurotherm 3204: 8 segments (ramping and dwelling)
Eurotherm 3504: 50 segments (ramping and dwelling)
Features
Top-open furnace chamber for fast and easy tube access.
Standard package includes set of stainless steel vacuum sealing flanges with valves and pressure meter.
Eurotherm microprocessor based self-tuning PID controller provides optimum thermal process with minimal overshoot.
Built-in ammeter and dual voltmeters for easy monitoring and troubleshooting.
Built-in computer interface.
Safety
Overheat protection shuts down the furnace if temperature is outside of acceptable range (refer to controller's manual) or when the thermocouple is broken or malfunctions.
Power failure protection resumes furnace operation right after the point of failure when power is reestablished.
Limit switch turns off furnace once top is open.
Warning! NEVER fill furnace with explosive gases, including Hydrogen, Carbon Monoxide and Methane.
Electrical requirements
220-240VAC,
50/60 Hz, Single phase
Tube material
Quartz
Rotation speed
1 to 20 rpm
Inclination
0 - 30°
Maximum working temperature
1200°C
Maximum constant working temperature
1100°C
Constant working temperature under vacuum
1000°C
Minimum working temperature
Ambient
Rated vacuum pressure
0.001 Pa / 0.0075 millitorr
/ 0.00001 mbar
Rated positive pressure
20 kPa / 150 torr / 3 psi
Heating element type
Kanthal (Sweden) resistance coil wire
Thermocouple type
K
Refractory lining
Mitsubishi (Japan) high quality
1500 grade fiber alumina
Temperature controller
Eurotherm 3204 temerature/process controller with 5 programs and 8 segments/program
Maximum heating & cooling rate
<
30°C / min
Heating zone length
400 mm
Constant temperature zone length
300 mm
Temperature controller precision
+/- 1°C
Vacuum sealing flange kit
Stainless steel vacuum sealing flanges with
one vacuum gauge,
two valves and four thermal ceramic blocks.
Gas inlet/outlet
1/4" (6.35mm) hose
barb with 1/4" BSPT (British Standard Pipe Thread)
Gas flowmeter
500 ml / minute
CE compliance
Yes
Size comparison
Tube size (OD x length)
60mm x 1.2m (Inner tummy 120mm)
120mm
x 1.2m (Inner tummy 200mm)
Maximum output
3.5
kW
4
Kw
Electrical requirements
220-240VAC 50Hz 1-PH 15AMP
220-240VAC 50Hz 1-PH 17AMP
Furnace dimensions (LxWxH)
610x380x510mm
610x430x580mm
Shipping dimensions (LxWxH)
1170x530x910mm
1170x530x910mm
Shipping weight (kg)
150
180
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