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User Manual
ANNEALING FURNACE
MODEL 414
User Maintenance Manual/Handbook
Isothermal Technology Limited, Pine Grove, Southport, PR9 9AG, England
Tel: +44 (0)1704 543830 Fax: +44 (0)1704 544799 Internet: www.isotech.co.uk E-mail: info@isotech.co.uk
The company is always willing to give technical advice and assistance where appropriate. Equally, because of the programme of continual
development and improvement we reserve the right to amend or alter characteristics and design without prior notice. This publication is for
information only.
Page 1 of 16
Annealing Furnace model 414 Iss.3 – 06/12
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Summary of Contents for Isotech 414
- Page 1 Isothermal Technology Limited, Pine Grove, Southport, PR9 9AG, England Tel: +44 (0)1704 543830 Fax: +44 (0)1704 544799 Internet: www.isotech.co.uk E-mail: info@isotech.co.uk The company is always willing to give technical advice and assistance where appropriate. Equally, because of the programme of continual development and improvement we reserve the right to amend or alter characteristics and design without prior notice.
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Page 2: Table Of Contents
CAUTIONARY NOTE ..................................6 UNPACKING AND INITIAL INSPECTION ..........................7 ELECTRICITY SUPPLY ................................... 7 SPECIFICATION ....................................8 MODEL 414 ANNEALING FURNACE INTRODUCTION ......................9 ANNEALING FURNACE ................................10 OPERATION....................................11 Altering the Furnace Temperature, (Setpoint) ..........................11 COMMISSIONING ..................................12 ELIMINATING CONTAMINATION DURING THE CALIBRATION OF HIGH TEMPERATURE THERMOMETERS .. -
Page 3: Emc Information
The blue conductor should be connected to Neutral and the Brown conductor to Live (Line). Warning: Internal mains voltage hazard. Do not remove the panels. There are no user serviceable parts inside. Contact your nearest Isotech agent for repair. Voltage transients on the supply must not exceed 2.5kV. -
Page 4: Health And Safety Instructions
If cased, do not return the apparatus to its carrying case until the unit has cooled. There are no user serviceable parts inside. Contact your nearest Isotech agent for repair. Ensure materials, especially flammable materials are kept away from hot parts of the apparatus, to prevent fire risk. -
Page 5: Guarantee
INTERFERENCE WITH OR FAILURE TO PROPERLY MAINTAIN THIS INSTRUMENT MAY INVALIDATE THIS GUARANTEE RECOMMENDATION The life of your ISOTECH Instrument will be prolonged if regular maintenance and cleaning to remove general dust and debris is carried out. ISOTHERMAL TECHNOLOGY LTD. -
Page 6: Cautionary Note
CAUTIONARY NOTE ISOTECH PRODUCTS ARE INTENDED FOR USE BY TECHNICALLY TRAINED AND COMPETENT PERSONNEL FAMILIAR WITH GOOD MEASUREMENT PRACTICES. IT IS EXPECTED THAT PERSONNEL USING THIS EQUIPMENT WILL BE COMPETENT WITH THE MANAGEMENT OF APPARATUS WHICH MAY BE POWERED OR UNDER EXTREMES OF TEMPERATURE, AND ARE ABLE TO APPRECIATE THE HAZARDS WHICH MAY BE ASSOCIATED WITH, AND THE PRECAUTIONS TO BE TAKEN WITH, SUCH EQUIPMENT. -
Page 7: Unpacking And Initial Inspection
Please ensure that your unit is correctly connected to the electricity supply. A Residual Current Devices sometimes referred to an RCD, ELCB or ground fault detector is included with the 220/240 V unit. Page 7 of 16 Annealing Furnace model 414 Iss.3 – 06/12... -
Page 8: Specification
220/240 V Power 1000 W Supply Frequency 50/60Hz Maximum Operating Temperature 1000°C Working Volume 450mm x 50mm dia approx. Dimensions Height 880mm Width 400mm Depth 620mm Weight (nett) 40kg Page 8 of 16 Annealing Furnace model 414 Iss.3 – 06/12... -
Page 9: Model 414 Annealing Furnace Introduction
In 1990 the new temperature scale ITS-90 specified the use of S.P.R.T.’s up to the Silver point (961.78°C). At these temperatures quartz is very porous and in reducing atmospheres the S.P.R.T.’s can quickly become contaminated. The Isotech Annealing Furnace offers a safe solution for those who wish to anneal S.P.R.T.’s up to 1000°C. Page 9 of 16... -
Page 10: Annealing Furnace
To alter the value press and hold the UP key to raise the value or the DOWN key to lower the value. The display will return to show the nominal furnace temperature when no key is pressed for 0.5 second. Page 10 of 16 Annealing Furnace model 414 Iss.3 – 06/12... -
Page 11: Operation
The display will return to show the nominal block temperature when no key is pressed for 0.5 second. The other controller functions are hidden from the operator. The values are pre-set and should not be changed. Page 11 of 16 Annealing Furnace model 414 Iss.3 – 06/12... -
Page 12: Commissioning
The recrystallised alumina liner has a closed end and thermometers may be placed directly into the liner for annealing. However, for high temperature applications, the use of a supplementary kit is recommended, as described later. Page 12 of 16 Annealing Furnace model 414 Iss.3 – 06/12... -
Page 13: Eliminating Contamination During The Calibration Of High Temperature Thermometers
0.5mK equivalent. Instructions in the Isotech 962 and 96178 thermometer handbooks explain how to handle and keep clean the thermometers. It is imperative that procedures are followed because contaminants can penetrate and pass through physically-intact quartz sheaths at temperatures above 800°C. -
Page 14: Important Note
Since the calibration of sensors at high temperatures can be fraught with difficulties, if any doubt exists, please consult Isotech for advice before embarking on any exercise in which there is a risk of contamination of the sensors you are trying to calibrate. -
Page 15: Maintenance
Therefore, we now prefer to work differently. With international communications so good these days, if anything goes wrong with the apparatus, or you need any other after sales service, please contact Isotech by telephone, fax or e-mail (or the agent from whom you purchased the apparatus). On our help-line we are anxious to serve you and will swiftly be able to help you solve your problem, or deal with a technical enquiry. -
Page 16: General Layout
FURNACE Model 414 Controller Over-temperature Controller ISOTHERMAL TECHNOLOGY LIMITED PINE GROVE, SOUTHPORT, PR9 9AG, ENGLAND Power Entry Flow Gauge Set / Reset Air Flow Adjustment Supply On / Off Page 16 of 16 Annealing Furnace model 414 Iss.3 – 06/12...
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