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USER GUIDE

2009

ECTRINO

V E L O C I M E T E R

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Summary of Contents for Vectrino

Page 1: ...USER GUIDE 2009 ECTRINO V E L O C I M E T E R V ...

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Page 3: ...tal or consequential damages in connection with the furnishing performance or use of this manual or the examples herein Nortek AS reserves the right to amend any of the information given in this manual in order to take account of new developments Microsoft ActiveX Windows Windows 2000 and Win32 are either registered trademarks or trademarks of Microsoft Corporation in the United States and or othe...

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Page 5: ...ensity 9 Sensors 10 Data Communication 10 Multi Unit Operation 10 Software Vectrino 10 Power 11 Connectors 11 Materials 11 Environmental 11 Options 11 Technical Description 13 System Components 13 Functional Description 15 Doppler Theory 15 Data Handling 16 Software 17 Vectrino software options 17 Installation 18 Configurations 18 Mounting Guidelines 19 ...

Page 6: ...a TTL Source 26 How Synchronization Works 26 Maintenance 27 Preventive Maintenance 27 Corrective Maintenance 27 Upgrading 29 Upgrading Software 29 Upgrading Firmware 29 Further Information and Help 31 Visit www nortek as com 31 Nortek s Forum 31 Contact Information 32 Returning Your Vectrino for Repair 33 Returning your Vectrino 33 Insurance 33 Customs regulations 34 Drawings and Dimensions 37 ...

Page 7: ...terized by accurate data and no appreciable zero offset Getting Started This guide in combination with the Quick Start guide which is part of the Help function in your Vectrino software will help you getting started with your Vectrino As initial preparation for using your new Vectrino velocimeter we recommend the following steps 1 Verify that you have received all parts see next page 2 Install the...

Page 8: ...ing please contact Nortek immediately 1 Transportation and storage case 2 Vectrino velocimeter 3 External power signal cable 4 Tool kit Nortek 5 USB to serial converter 6 Seeding material bottle of 250 ml 7 AC DC voltage transformer 24 V DC 8 International kit with AC plugs 9 USB memory stick with Vectrino software 10 This guide 11 Final test check list 12 Packing list 13 Warranty card ...

Page 9: ...ransport weight 8 kg Dimensions Transport box 88 x 27 x 12 cm Transport and storage box 88 x 34 x 12 cm Weight in air 1 2 kg Sampling Volume Distance from probe 0 05 m nominal Diameter 6 mm Height user selectable 3 15 mm Echo Intensity Acoustic frequency 10 MHz Resolution Linear scale Dynamic range 25dB ...

Page 10: ... Vectrino standard or Vectrino software Analog outputs 4 channels standard one for each velocity component Output range is 0 5 V and scaling is user selectable Synchronization Multiple Vectrinos can be synchronized Each can operate as either master or slave Multi Unit Operation Software PolySync software requires license I O RS 232 USB support for devices with 1 2 4 and 8 serial ports Software Vec...

Page 11: ...40 C Storage temperature 15 C to 60 C Shock and vibration IEC 721 3 2 Options Your Vectrino can be shipped with the following components to suit your requirements For further information contact Nortek Standard or Vectrino firmware upgrading to Vectrino is also available as retrofit 4 beam down looking probe or side looking probe Fixed stem or flexible cable 12 pin splash proof connector or Impuls...

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Page 13: ...ugh the same probe end bell Transducers Each of the four receive transducers is mounted inside a receiver arm The transmit transducer is in the centre of the probe The transducers are covered with hard epoxy Electronics Modules The electronics module is located inside the pressure case and consists of a single board with the power transmitter analog and digital signal processing power conditioning...

Page 14: ...communication with an external computer It also provides four analog outputs 0 5 V DC for input to an AD converter The cable also provides synchronization options when the Vectrino is used as master or slave to synchronize measurements with other Vectrinos and or other instruments Cable Wiring By default the Vectrino is shipped with a 12 pin connector and cable The connector type is either a splas...

Page 15: ... from particles suspended in the water These particles are typically suspended sediment or seeding particles and move with the same average speed as the water The velocity that is measured is consequently the velocity of the water The Vectrino uses the Doppler effect to measure current velocity The Doppler effect is the change in pitch that is heard when either the source of a sound or the listene...

Page 16: ...les using the conversion module in the software The hdr file is a self documented table Please note that this file contains a detailed data format description of all files that are generated The dat file contains velocity data at the full sample rate ASCII files are easily imported into most spreadsheets and data analysis programs For turbulent data analysis Nortek recommends the use of a speciall...

Page 17: ...no firmware allows data collection rates up to 200Hz significantly higher than the standard Vectrino firmware which has a performance similar to that of the standard NDV ADV with a maximum output rate of 25Hz With Vectrino a parallel receiver will provide you with four times as many samples The Vectrino also has a separate echo sounder mode for distance measurements The standard Vectrino applicati...

Page 18: ...tallation Configurations Using the enclosed cables connect the Vectrino instrument to the power and the USB port on your computer and start the Vectrino software To configure the settings of your Vectrino you can either select Data collection Load From Instrument to read back the current settings from the instrument or select Data collection Edit Configuration to load the settings from the configu...

Page 19: ...ow as far as 10 diameters away from the object Flow disturbance is greatest directly downstream in the wake behind the object All acoustic transducers must be submerged during data collection Operating your Vectrino when the transducers are out of water will not cause any damage but your data will be meaningless For side looking probes it is possible to collect 2D data with only the lower receiver...

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Page 21: ... rate settings 19200 baud which is also the default baud rate for the instrument 5 Click the toolbar button Connect The Vectrino instrument should reply to the break with an identification string Upgrade baud rate The baud rate settings for transfer of head file and firmware upgrades may differ from those for transmission of deployment setups and for online data collection The reason is that the f...

Page 22: ...y the standard deviation and the amplitude in counts Note the change in the graphical view of the velocity when the probe is lowered into the water In the air the graphs are noisy in water they should be smooth The velocity in water left part of the graph and in air right part of the graph Noisy velocity graphs If the velocity graphs remain noisy when the probe is immersed in water try varying the...

Page 23: ... Signal to noise ratio The signal to noise ratio SNR is defined as follows SNR 20log A A Strictly speaking some noise will always be present so Amplitudesignal should read Amplitudesignal noise However for SNR values in the magnitude applicable to typical Vectrino situations the difference is negligible The letters correspond to the following A The transmit pulse B The receive volume C The bottom ...

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Page 25: ...n some older instruments the sync lines are labeled Sync in and Sync out These should be treated as Sync Sync In and Sync Sync Out Your Vectrino can be synchronized with other instruments via a pair of sync lines To avoid noise problems and to make cabling easier the two sync lines are RS485 which is balanced and bi directional The sync lines are labeled Sync and Sync Synchronizing Multiple Vectri...

Page 26: ... between the Sync line and ground The best solution for external sync is using RS485 as the input output device Note This implies that a Vectrino can operate as a master for a Vector but the opposite is not possible When Vectrino functions as master the Sync line can be connected to the TTL input and the two systems must be connected so they share common ground How Synchronization Works Output Syn...

Page 27: ...ays return to this setup to confirm that they are not caused by a faulty instrument Preventive Maintenance Preventive maintenance is your primary tool to keep your Vectrino in shape and ready for action and deployment Clean your Vectrino Velocimeter regularly Use a mild detergent and pay special attention to the transducers Corrective Maintenance Only qualified personnel are allowed to perform cor...

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Page 29: ...de the software follow the procedure for software installation see Chapter 5 Upgrading Firmware Firmware refers to the internal software of the instrument as opposed to the instrument software running on a computer and described in this manual When you purchase a brand new instrument from the factory it contains the latest firmware version and there is no need to upgrade the firmware However new f...

Page 30: ...se key The License Key dialogue box will appear when you attempt to upgrade the firmware The license key can be found on the memory stick that accompanied your Vectrino If you cannot locate it please contact Nortek AS for a new license key 4 If prompted enter the license key and click OK If you have the standard Vectrino simply click OK to start downloading the file to the instrument This will pro...

Page 31: ...should be able to find any information they may need regarding our instruments and the use of them online If you are unable to find the information you are looking for we encourage you to use our forum Nortek s Forum Nortek s forum on the web is where users from all over the world meet to discuss and share their experience with Nortek s instruments If you have comments questions application tips s...

Page 32: ...f you need more information support or other assistance you are always welcome to contact us by e mail phone or fax E mail inquiry nortek no Phone 47 67 17 45 00 Fax 47 67 13 67 70 You can also write us at Nortek AS Vangkroken 2 NO 1351 RUD Norway ...

Page 33: ...member to include a copy of all shipping and export documents in the freight box Insurance We recommend that you fully insure your return shipment in case it is lost or damaged as Nortek AS does not cover freight insurance on repairs Nortek AS is not responsible for instruments damaged or lost in transit Nor shall we be held responsible for consequential damage as a result of instruments being dam...

Page 34: ... be charged import duties and taxes for a second time when your instrument is returned to you At Nortek we must meet our own country s regulations when instruments are repaired and subsequently returned This however may not be sufficient for your country To avoid problems we strongly recommend that you as part of your own procedures for handling returns always check with your customs authorities a...

Page 35: ... 1351 RUD Country Country NORWAY Tel Tel 47 67 17 45 00 E mail Fax 47 67 13 67 70 Fax E mail inquiry nortek no Contact Contact Jonas Røstad ABOUT THE GOODS Date No of Units Tracking no Weight Value NORTEK RMA No Reason for Export Exporter s signature NOT A SALE TEMPORARY EXPORT TO NORWAY FOR REPAIR ONLY ...

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Page 37: ...Vectrino 37 APPENDIX Drawings and Dimensions On the following pages you will find drawings with dimensions for your Vectrino ...

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