Isotech 989 User Maintenance Manual/Handbook
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Isotech 989 User Maintenance Manual/Handbook

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BLACKBODY SOURCE
MODEL 989
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 21
Blackbody Source Model 989 (01–09/20)

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Summary of Contents for Isotech 989

  • 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.
  • Page 2 This publication is for information only. Isothermal Technology Limited Pine Grove, Southport, Merseyside, PR9 9AG, England Telephone: +44 (0)1704 543830/544611 / Fax: +44 (0)1704 544799 Email: info@isotech.co.uk / Website: www.isotech.co.uk Page 2 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 3: Table Of Contents

    Using the PC Interface ............................15 Converter Cable .............................. 15 Protocol ................................15 CAL Notepad ..............................16 Development ..............................16 Diagnostic Alarms ............................... 17 Calibration Procedure ............................18 Fitting the Thermometer for Calibration ......................18 Page 3 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 4: Emc Information

    The product meets the susceptibility requirements of EN 50082-1, criterion B. Symbol Identification Publication Description ISO3864 Caution (refer to manual) IEC 417 Caution, Hot Surface Page 4 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 5: Safety Warnings

    Avoid excessive heat, humidity, dust and vibration ensuring it will not be subjected to dripping or splashing liquids Consider the Environment The equipment should be recycled or disposed of in a proper way; following the Waste Electrical and Electronic Equipment (WEEE) directive Page 5 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 6: Unpacking And Initial Inspection

    Plug the DC connector from the power supply into the “DC Power” socket on the rear of the unit. Use the on/off switch on the side panel to turn on the device on and off. Page 6 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 7: Specification

    Combined Accuracy / Stability ±0.2°C (0.3°F) PC Interface Included, optional cable Units °C, °F, K Block Stability <±0.01°C Power 60 Watts Voltage 12 Vdc (universal supply included) Dimensions 200mm x 135mm x 170mm Weight Page 7 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 8: Operating The Controller

    Advanced Controller Features Setpoint Ramp Rate By default, the Model 989 is configured to heat and cool as quickly as possible. There may be some calibration applications where it is advantageous to limit the heating or cooling rate. The source can have its heating rate limited with the Setpoint Ramp Rate feature. This feature is accessed from the Scroll key.

  • Page 9: Instrument Address

    UP/DOWN buttons and change to YES. The setpoint is now locked and can be confirmed by the flashing red ALM beacon. To disable is a reversal of the above and confirmed by the extinguishing of the red ALM beacon. Page 9 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 10: Mounting

    Mounting Model 989 can be mounted on a tripod or suspended from a bracket. There are two easy mount points with 1/4"-20 UNC thread to accept commonly used tripods and mounting brackets. Page 10 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 11: Using The External Thermometer Reference Pocket

    The unit has a reference thermometer pocket that is located in the blackbody block just below the surface. If desired a calibrated platinum resistance thermometer can be added for traceability. The reference thermometer pocket also allows for easy checking and recalibration of the model 989 Blackbody. ...

  • Page 12: How To Install The Optical Extension Tube Accessory

    To install the extension tube, follow the procedure below: A. Remove four screws  from the front panel of the model 989  using the hex key supplied. B. Align the extension tube  mounting holes to the holes on the model 989.

  • Page 13: Dimensions

    Dimensions Page 13 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 14: Accessories

    Comprising of TTI-10 Handheld Thermometer, 935-14-82/TTI Semi Standard PRT – Temperature Range -50°C to 250°C and 3 Point UKAS System Calibration, uncertainty 0.02°C (20mK) 988-02-06 Short Tube 40mm 988-02-03 Long Tube 210mm Page 14 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 15: Using The Pc Interface

    Note: The RS 422 standard specifies a maximum lead length of 1200M (4000ft). A true RS422 port will be required to realise such lead lengths. The Isotech conversion leads are suitable for maximum combined lead lengths of 10M that is adequate for most applications.

  • Page 16: Cal Notepad

    Cal Notepad was developed by Isothermal Technology using LabVIEW from National Instruments. The license details are shown on the download page and in the Cal Notepad manual. Software Download – Cal Notepad can be downloaded at https://www.isotech.co.uk/downloads Page 16 of 21 Blackbody Source Model 989 (01–09/20)

  • Page 17: Diagnostic Alarms

    E2.Er EEPROM error Return to Isotech for repair EE.Er Non-vol memory error Note the error and contact Isotech. E.Lin Invalid input type. This refers to custom Go to the INPUT list in configuration level linearisation which may not have been...

  • Page 18: Calibration Procedure

    Calibration Procedure The model 989 can be recalibrated at Isotech or an authorised partner. It is also possible to recalibrate in the field. Isotech can provide a calibration kit for suitably experienced calibration engineers. Fitting the Thermometer for Calibration ...
  • Page 19 Enter the Pass Code The controller Pass Code is 2 The instrument will now return to normal operating mode but there are now extra parameters available, reached by pressing the SCROLL Key Page 19 of 21 Blackbody Source Model 989 (01–09/20)
  • Page 20 The plate can now be set to the next calibration point. There is a maximum of five points that the plate can be adjusted at. By default Isotech calibration the 989 at: Pnt 1 20 °C Pnt 2 38 °C Pnt 3 50 °C...
  • Page 21 Setting the Point Parameter to a value of Reset will clear out all the calibration data! Take care not to select this unless you really want to clear the calibration! (Order = rSet, Off, On, Pnt 1, Pnt 2, Pnt 3, Pnt 4, Pnt 5) Page 21 of 21 Blackbody Source Model 989 (01–09/20)

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