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Advanced Sensors OIW-EX 1000 Handbook

Oil in water monitors
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OIW-EX 1000 - Spectrometer Handbook
Code: OIW-HBO-0005 Version: EX-002
Date: 18 March 2010
OIW-EX 1000
Oil in Water Monitors
Spectrometer Handbook
Document code: OIW-HBO-0005
Version: EX-002
Advanced Sensors Ltd,
Page 1 of 33
www.advancedsensors.co.uk Tel: +44(0)28 9332 8922. FAX +44(0)28 9332 8669

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  • Page 1 OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 OIW-EX 1000 Oil in Water Monitors Spectrometer Handbook Document code: OIW-HBO-0005 Version: EX-002 Advanced Sensors Ltd, Page 1 of 33 www.advancedsensors.co.uk Tel: +44(0)28 9332 8922. FAX +44(0)28 9332 8669...

  • Page 2: Code: Oiw-Hbo-0005 Version: Ex

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 Document History Version A Draft..First draft – separated from installation and User Handbook 1st May 2007 Version B Draft..Updated to reflect change to support the v2 Spectrometer April 2009 Version C ....Preface page updated...

  • Page 3: Date: 18 March

    Note: please ensure you have the latest version of these documents – password protected copies of the documents together with a table of the latest revisions are available on-line at: http://www.advancedsensors.co.uk/downloads The passwords may be obtained directly from Advanced Sensors Ltd. Handbooks Descriptions Code...

  • Page 4: Table Of Contents

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 Table of Contents OIW-EX 1000 - Spectrometer Handbook............. 6 Introduction....................6 Modes of Operation ..................6 Health & Safety....................6 Spectrometer Overview ..................7 Identifying an OIW EX1000 Unit..............8 Showing and Hiding the Spectrum ..............9 Spectrum Reading Cycle................10...
  • Page 5 OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 Symbols in this document The following symbols are used in this document to indicate special information: Warning – an instruction that draws attention to the risk of injury or death.

  • Page 6: Oiw-Ex 1000 - Spectrometer Handbook

    1.1 Introduction This spectrometer handbook provides user information on how to use and configure the Advanced Sensors Ltd OIW-EX Series Oil in Water Monitor Systems spectrometer features only – for all other features please refer to the User Handbook. This manual relates to the functionality of the OIW-EX Series unit at software release v4 and above.

  • Page 7: Spectrometer Overview

    • OIW-EX1000, • OIW-EX1000P and • OIW-EX4000. Advanced Sensors software suite includes SpAn. The SpAn software tool simplifies the analysis of multiple optical scans. As with all data logs generated by the OIW-EX Series of products the spectrum analyser files are created in generates industry standard .csv file format allowing the user the flexibility to...

  • Page 8: Identifying An Oiw Ex1000 Unit

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.1 Identifying an OIW EX Series Unit with a Spectrometer The OIW-EX 100 software, see Figure 2, can be distinguished from the OIW-EX Series with Spectrometer fitted, see Figure 1, primarily by the software header box, which clearly identifies unit type in its header, shown below.

  • Page 9: Showing And Hiding The Spectrum

    Date: 18 March 2010 2.2 Showing and Hiding the Spectrum The graph panel of the OIW-EX 1000 software will allow you to switch between showing the oil ppm level, the spectrum of the oil or both, see Figure 3. Figure 3.

  • Page 10: Spectrum Reading Cycle

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.3 Spectrum Reading Cycle As with the oil detection system the spectrum analyser requires the laser light as an illumination source therefore the analyser will not operate when the measurement cycle is in the stopped position.

  • Page 11: Spectra Control Options

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.4 Spectra Control Options The spectrum analyser controls can be accessed via the Oil Calibration Settings and Configuration Options tabs once you have logged in to the configuration menu, see Figure 4.

  • Page 12: Spectrometer Standard Creation

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.4.1 Spectrometer Standard Creation Under the Oil Calibration Settings tab is an option to create a Spectrometer standard. Future Spectrometer reading may be compared with this standard and an alarm may be raised if the composition of the oil changes significantly.
  • Page 13 OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.4.1.2 Spectrometer Standard Creation Process Before you start to create a Spectrometer Standard you need to specify the number of Spectra you wish to form the Standard. This can be done with the Standard Size control.

  • Page 14: Spectrum Reading Cycle Explained

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.5 Spectrum Reading Cycle Explained As with the oil detection system the spectrum analyser requires the laser light as an illumination source therefore the analyser will not operate when the measurement cycle is in the stopped position.

  • Page 15: Ppm Level Triggered Spectrum Operation

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 With the “Spectrometer reading taken every” XX “Measurement Cycles” set to 0; no Spectra will be taken based on Measuring Cycles. With “Spectrometer reading taken every” XX “Measurement Cycles” set to 1; a Spectra will be taken every time a Measuring Cycle Starts.

  • Page 16: Spectrum Control Options

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.6 Spectrum Control Options The spectrum analyser three parameters that control the quality of the Spectra: • Smoothing, • Averaging, and • Integration Time. To access this option navigate to the Configuration Options tab, click the Schedule button and select the Spectrometer Settings tab on the Schedule Configuration window, see Figure 14.

  • Page 17: Spectrum Integration Time

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.6.3 Spectrum Integration Time Integration Time specifies the length of the spectral acquisition in milliseconds for the spectrometer. The integration time of the spectrometer is analogous to the shutter speed of a camera.

  • Page 18: Spectrum Control Options

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.7 Spectrum Control Options The spectrum analyser has three parameters that control the quality of the Spectra: • Smoothing, • Averaging, and • Integration Time. To access this option navigate to the Configuration Options tab, click the Schedule button and select the Spectrometer Mask Settings tab on the Schedule Configuration window, see Figure 16.

  • Page 19: Changing % Mask Tolerance

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.7.2 Changing % Mask Tolerance Figure 18. Changing the % Mask Tolerance 2.7.3 Changing the Lower Wavelength Figure 19. Changing the Lower Wavelength Advanced Sensors Ltd, Page 19 of 33...

  • Page 20: Changing The Upper Wavelength

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.7.4 Changing the Upper Wavelength Figure 20. Changing the Upper Wavelength 2.7.5 Changing the Upper Wavelength Figure 21. Changing the Lower Wavelength Advanced Sensors Ltd, Page 20 of 33...

  • Page 21: Changing The % Above Line

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.7.6 Changing the % Above Line Figure 22. Changing the Lower Wavelength Advanced Sensors Ltd, Page 21 of 33 www.advancedsensors.co.uk Tel: +44(0)28 9332 8922. FAX +44(0)28 9332 8669...

  • Page 22: Spectrum Log Files

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 2.8 Spectrum Log Files The Spectrum logs can be found in a folder named Spec_Logs within the OIWLogs folder as detail in the Data Logging Handbook – please refer to that handbook for details of how to access the logs.
  • Page 23 The second line is a header line to identify the two columns that follow. In addition this line holds some status information about the spectrum reading which is for Advanced Sensors Ltd use only. The remaining lines list the wavelength and relative light level reading, as partially shown in Figure 24 above.

  • Page 24: Using Span

    Date: 18 March 2010 3 Using SpAn SpAn (Spectrum Analyser) is Advanced Sensors software tool used to view the Spec log files. Note: as mention previously the files can be view with a variety of tools such as NotePad and analysis can be done in programs like Microsoft’s Excel program.

  • Page 25: Loading A Spectrum Log File

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 3.2 Loading a spectrum log File To load a file select the button marked Click to Load Data highlighted in red, just below the centre of the screen, Figure 27 . When this is clicked a standard Windows load dialogue box will appear.
  • Page 26 OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 When the file loads the red button will change to display the filename it has loaded (Figure 28 ) and the data within that file will be displayed in the graph area (Figure 28 ).
  • Page 27 OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 Once the second (blue) button has been enable the process can be repeated to load a second file into SpAn – and in turn the third (green) button will be enabled, allowing the user to load a third file etc.

  • Page 28: Auto Scaling

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 3.3 Auto Scaling When a file is loaded the graph is drawn such that it fills the graph area, as was shown in Figure 27 above. If a second graph (or subsequent graph) is loaded which is larger than the previous graph then the graph scale will adjust to fill the graph area with the largest graph, as seen in.

  • Page 29: Identifying Points On The Graph

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 3.4 Identifying Points on the Graph To identify a point on the graph the user can select a point on the graph by clicking the mouse pointer any where on the graph page, see below Figure 31 . Doing this will update the display area at the top of the SpAn screen Figure 31 to identify the Wavelength (x –...
  • Page 30 OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 Once a file set has been saved it can be loaded back into SpAn by selecting the File Load from the top tool bar, see Figure 33, or by pressing CTRL L. This will bring up standard windows Open window and will list all file set filenames previous store, as shown below, Figure 34.

  • Page 31: Printing

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 3.6 Printing The SpAn graph area can be output to a printer by selecting the File Print from the top tool bar, see Figure 35, or by pressing CTRL P. This will bring up a standard windows print menu where the user can select the printer and adjust printer options.

  • Page 32: Errors With Ex1000

    If the device is not found then a message box will appear highlighting that a Spectrometer was not found, see Figure 36, and a system log message will be logged. Should this ever happen, please contract your Advanced Sensors agent or Advanced Sensors directly. Figure 36.

  • Page 33: Appendix 1 - Oiw-Ex Series Contact Details

    OIW-EX 1000 - Spectrometer Handbook Code: OIW-HBO-0005 Version: EX-002 Date: 18 March 2010 5 Appendix 1 – OIW-EX Series Contact Details Customer Liaison Sales & Marketing Tel. +44(0)28 93 35 64 63 E-Mail: sales@advancedsensors.co.uk Advanced Sensors Headquarters Advanced Sensors Ltd...

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