Isotech 547 User & Maintenance Manual

Thermocouple calibration furnace
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User Maintenance Manual
THERMOCOUPLE CALIBRATION
FURNACE MODEL 547
Isothermal Technology Limited, Pine Grove, Southport, Merseyside, PR9 9AG, England
Telephone: +44 (0)1704 543830 Email:
info@isotech.co.uk
Website:
www.isotech.co.uk
Cryostat Model 459 (05-05/25)

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  • Page 1 User Maintenance Manual THERMOCOUPLE CALIBRATION FURNACE MODEL 547 Isothermal Technology Limited, Pine Grove, Southport, Merseyside, PR9 9AG, England Telephone: +44 (0)1704 543830 Email: info@isotech.co.uk Website: www.isotech.co.uk Cryostat Model 459 (05-05/25)
  • Page 2: Standard Warranty Terms

    In the event of suspected equipment failure within the warranty period, customers must promptly contact Isotech or an authorised representative to determine if repairs can be undertaken on-site by an appointed engineer.
  • Page 3: Table Of Contents

    Contents 1 UNPACKING AND INITIAL INSPECTION ......................5 2 BEFORE YOU USE THE EQUIPMENT ........................6 3 SUMMARY OF SYMBOLS ............................7 4 ELECTRICITY SUPPLY ............................8 THE UNIT MUST BE EARTHED ........................9 6 REGULATORY INFORMATION ........................... 10 CAUTIONARY NOTE ........................... 11 SAFETY WARNINGS ..........................
  • Page 4 13.8.1 How to carry out a control loop linearisation (one loop at a time) ..............31 13.8.2 How to carry out a control loop linearisation (complete furnace liner) ............31 13.9 H EATER ZONES AND DISTANCES FROM FRONT PANEL ......................32 13.10 G ENERAL SETTINGS PAGE ...............................
  • Page 5: Unpacking And Initial Inspection

    1 Unpacking And Initial Inspection Our Packing Department uses custom designed packaging to send out your unit, but as accidents can still happen in transit, you are advised, after unpacking the unit, to inspect it for any sign of shipping damage and confirm that your delivery is in accordance with the packing check list.
  • Page 6: Before You Use The Equipment

    2 Before You Use The Equipment Please read the handbook and familiarise yourself with all warnings, hazards and safety information. Regularly inspect the equipment, accessories and electrical leads. Do not use if there is any sign of damage. Keep the equipment clean, only use a damp cloth. Do not use solvents or allows liquids to enter the case.
  • Page 7: Summary Of Symbols

    3 Summary of Symbols ISO3864 – Caution, read the entire manual before use IEC 417 – Caution, hot surface (risk of burn) Waste Electrical and Electronic Equipment (WEEE directive) symbol Complies with European regulations (CE mark) USB symbol Ethernet RJ45 symbol Risk of Electrical Shock l O l O l RS422 Serial Port...
  • Page 8: Electricity Supply

    4 Electricity Supply Before connecting to the electricity supply please familiarise yourself with the parts of the manual relevant to your model. Your unit's supply voltage requirement is specified on a label on the instrument along with the serial number. Only connect to a power supply matching the requirement stated on the equipment.
  • Page 9: The Unit Must Be Earthed

    The Unit Must Be Earthed This equipment is a Class 1 Appliance and must be earthed (grounded). Use the supplied power cord and plug it directly into an AC outlet with a protective earth. If using an alternative cord ensure it is of adequate rating. If fitting a plug to the cable we have supplied the cable is colour coded as follows: Colour Function...
  • Page 10: Regulatory Information

    6 Regulatory Information This product complies with the Essential Protection Requirements of the following Directives: Electromagnetic Compatibility (EMC): EMC Directive 2014/30/EU To Harmonised Standard: EN 61326-1:2013 Low Voltage Directive (LVD): LVD Directive 2014/35/EU To Harmonised Standard: BS EN 61010-1:2010 To ensure compliance please ensure that connecting leads are fully screened. This product conforms with Directive 2011/65/EU of the European Parliament and of the Council of 8 June 2011 as amended by (EU) 2015/863 on the restriction of the use of certain hazardous substances in electrical and electronic equipment as listed in Article 4.
  • Page 11: Cautionary Note

    Cautionary Note Operators of this equipment should be adequately trained in the handling of hot and cold items. It is important the user has been trained about the selection and use of liquids over a wide temperature range. 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 12: Safety Warnings

    Safety Warnings 8.1 Environmental Conditions • Operating temperature: 5-35°C • Relative humidity: 5-95% - non-condensing • Storage temperature range: 5-35°C • Atmosphere pressure: Below 2000 meters above sea level • IP protection: IP20 8.2 Do Not Modify Or Disassemble • Do not use the apparatus for jobs other than those for which it was designed, i.e.
  • Page 13: B Ecareful With Inserts

    Inserts for low temperature models may melt and cause a fire if used in high temperature models • Only use Isotech inserts which are specially treated to avoid them from becoming stuck in the calibration volume • Do not use powders, liquids or compounds in the insert; this may lead to the insert or probes...
  • Page 14: Introduction

    For even higher accuracy, it also offers the option to use blackbody cells, ensuring ultimate precision and lowest calibration uncertainties. The Model 547 is also designed to accommodate open-ended multi-zone thermocouples, making it an ideal choice for calibration professionals in the semiconductor industry.
  • Page 15: Working Modes

    11 Working Modes Short Metallic insert (closed end) Long Metallic insert (closed end)
  • Page 16 Long Metallic insert (Through) Short Ceramic insert (closed end)
  • Page 17 Long Ceramic insert (closed end) Long Ceramic insert (Through)
  • Page 18 Blackbody Target Black Body Fixed point cells (Zinc)
  • Page 19 Black Body Fixed point cells (Aluminium) Black Body Fixed point cells (Silver)
  • Page 20 Front and rear thermometer support...
  • Page 21: General Layout

    12 General Layout Front View 1. Touchscreen interface 2. Power switch 3. USB socket 4. Ethernet socket 5. Grounding point 6. Working volume (image shows insert in position) 7. Pre-warming pockets 8. Mounting holes for thermometer support...
  • Page 22 Side View 1. Sliding thermometer support 2. Cooling vents Rear view 1. Power cord 2. Fuse (240V only) 3. Serial comms port 4. Removeable rear plate (Thru-calibration version showing) 5. Working volume (Thru-insert installed)
  • Page 23: Operation

    13 Operation 13.1 Home Screen 1. Process value – This is the temperature in the specified zone of furnace. READ ONLY 2. This is the button to manually adjust the setpoint of the furnace. This is infinitely adjustable over the range 200°C to 1215°C in 0.1°C increments.
  • Page 24: Trend Screen

    13.3 Trend Screen This screen provides a graphical representation of potentially all the temperature zones and overtemperature policeman. 1. This button allows selection of the upper scale setting. READ/WRITE 2. This button allows selection of the lower scale setting. READ/WRITE 3.
  • Page 25: Trend Screen Settings Page

    13.3.4 Trend Screen settings page This page allows access to the settings for the Trend Page. All settings are READ/WRITE 1. Toggle Main zone On/Off 2. Toggle Top zone On/Off 3. Toggle Bottom zone On/Off 4. Set X Axis time in unit defined by 6 5.
  • Page 26: A Brief Description Of Program Segments

    4. Program selection button 5. Opens Program settings page 6. Start/Pause program 13.4.1 A brief description of program segments Step – A step segment is a single execution setpoint change • Ramp time – This is a change in setpoint that is defined by the time to reach the setpoint E.g. •...
  • Page 27: How To Create A Simple Program Through The User Interface

    13.4.3 How to create a simple Program through the User interface We shall create a simple, three segment program to walk through the functions of the programmer feature. This will allow a setpoint change from 200 to 350°C at a Ramp Rate of 5°C/minute (total 30 mins). Then a Dwell at 350°C for a period of 120 minutes with a Holdback band set to 2°C.
  • Page 28: Usb Screen

    The program setting is now complete. The Program can now be started by tapping the Start button on the program screen (6). When the program is running you will not be able to access the Scheduler page, and the button will be “greyed”...
  • Page 29: Setting The Scheduler

    13.6.1 Setting the Scheduler To set a simple schedule follow the procedure below Tap the Start Time box and enter the date and time of the required change in temperature • Tap the Start Setpoint box to enter the target setpoint •...
  • Page 30: Controller Settings Screen

    Do not adjust these settings unless you are familiar with the consequences. If in doubt, contact Isotech for further advice. Use of the Autotune feature will adjust the internal settings of the controller to provide the best possible stability at the setpoint temperature.
  • Page 31: Use Of The Cal16 Linearisation

    13.8 Use of the CAL16 linearisation 1. Linearisation set 2. Numeric point 3. Input value 4. Output value 5. Scroll down for more values 6. Return to General settings page 13.8.1 How to carry out a control loop linearisation (one loop at a time) This process will show how to correct display errors for a single zone at one time.
  • Page 32: Heater Zones And Distances From Front Panel

    5. If you do not require all 16 points, simply leave 0.00 in each IN and OUT box and the controller will ignore the additional values. 13.9 Heater zones and distances from front panel 13.10 General settings page The General settings page covers settings that are global for the furnace. 1.
  • Page 33: Connecting The Furnace To A Pc

    This application allows logging of data from the ADVANCED model. Additionally, if a license is purchased it allows for fully automatic calibration including certificate printing and the calculation of coefficients. Refer to the Isotech I-Cal Easy manual and help system for more details...
  • Page 34: Program Editor

    This allows set point programs to be created on a PC and uploaded to the ADVANCED model Installation instructions are included with the download 14.2 Serial Port 14.2.1 Cal Notepad Use Cal NotePad to automatically log and display the temperature of an Isotech calibration bath together with the unit under test. Easy to use •...
  • Page 35: Millik

    14.2.2 milliK This equipment can also interface with the Isotech milliK. This will allow a setpoint program to be created on the milliK and this can then drive the setpoints on the 547 over a range of temperatures automatically. https://isotech.co.uk/products/millik-precision-thermometer/...
  • Page 36: Specification

    15 Specification Model Temp Range 200°C to 1200°C Stability <0.08°C over the entire range Uniformity ±0.2°C at 200°C, ±0.3°C at 1200°C Display 4.5” Touchscreen Display Resolution 0.1° Heating Time 50°C to 1200°C in 45 minutes Cooling Time 1200°C to 300°C in 90 minutes Calibration Volume 46mm diameter x 450mm deep Minimum Immersion...

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