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	FURNACES		TUBE FURNACES

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1500°C GENERAL PURPOSE TUBE FURNACES (INTEGRAL CONTROL)

STF55433C Lindberg/Blue M offers a selection of 1500°C General Purpose Tube Furnaces with i ntegral control designed for a range of applications which require processing flexibility with fast heat-up and recovery. Energy efficient Moldatherm^® insulation increases temperature uniformity, improves energy efficiency and helps to maintain low exterior cabinet temperatures during operation.

General Features
Accommodates 1", 2" and 3" O.D. process tubes (customer supplied)
Silicon carbide heating elements and Type "R" thermocouple combine to maintain temperature stability at 1500°C
Microprocessor-based PID programmable control (proportional, integral, derivative) prevents overshoot
RS-485 communications port available as an option

Digital Single Program, Multiple Segment Programmable Controller
Single program with multiple segments for ramp (up and down) and dwell (timed hold) temperature control. See page 35 for more information
Adjustable high limit over temperature protection
Simultaneous LED display of actual temperature vs. set point
May be configured to display temperature in either °C or °F

Digital Multiple Program, Multiple Segment Programmable Controller
Multiple programs and segments for ramp (up and down) and dwell (timed hold) temperature control. See page 35 for more information
Adjustable high limit over temperature protection
LED display of actual temperature
May be configured to display temperature in either °C or °F

Option B Over Temperature Control (OTC)
Adjustable digital over temperature control, protects furnace and load in the event of primary control circuit failure. Available on selected models with "B" designation; see chart

1500° Solid, Integral Controller, Temperature Range 500°C to 1500°C

Model	Volts, Hz	Watts	Integral Control	Exterior Dimen. H x F-B W in"	Process Tube Dia. in"	Heated Length	Ship Weight lbs
STF55433C	208/240V, 50/60 Hz	6000	Multi Seg / 1 Prog	17" x 19" x 23'	1", 2", 3"	12"	270
STF55433PC	208/240V, 50/60 Hz	6000	Multi Seg / Multi Prog	17" x 19" x 23'	1", 2", 3"	12"	270
STF55433PBC	208/240V, 50/60 Hz	6000	Multi Seg / Multi Prog / OTC	17" x 19" x 23'	1", 2", 3"	12"	270

Note: Required power cord, hardwiring and interconnecting wiring are not included.

Process Tubes These furnaces are designed for use with a variety of process tubes including alumina, mullite, quartz and metallic. Process tube not supplied with furnace.

Tube Adapters One set of (2) 2" dia. adapters included with furnace.

Click here for information on Tube Adapters

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