Operating instructions Mobile River Discharge Measurement System
Contents
1. Nom et signature de la personne autoris e Dr Anton Felder CEO OTT Hydromet GmbH Gesch ftsf hrer Dr Ing Anton Felder J rg Mayer Ronald Marcel Peters Postfach 21 40 87411 Kempten Sitz der Ges Kempten Registergericht Kempten HRB 7687 USt ID Nr DE 258 217 067 Steuer Nr 127 134 80337 LudwigstraBe 16 87437 Kempten WEEE Registrierungs Nummer 49590817 Tel 49 831 5617 0 Fax 49 831 56 17 209 infoGott com Es gelten unsere Allgemeinen Gesch ftsbedingungen siehe www ott com AGB www ott com All business transactions shall be subject to our General Terms and Conditions see www ott com GTC Deutsche Bank AG M nchen BLZ 700 700 10 Kto Nr 409 0304 00 BIC DEUTDEMMXXX IBAN DE96 7007 0010 0409 0304 00 63 Document number 22 405 001 B E 03 1114 OTT Hydromet GmbH Ludwigstrasse 16 87437 Kempten Germany Tel 49 831 5617 0 Fax 49 831 5617 209 info ott com www ott com2. Press ON OFF on the operating display on the upper side of the Qliner 2 for 5 seconds The LEDs Power and Connect go out Notes Clean the Gliner 2 catamaran and the integrated current profiler with clean water Ensure that the Qliner 2 is never packed in a wet or damp state 7 Measurement quick start Preparation Charge batteries Qliner 2 take battery out of Gliner 2 connect battery to the charging unit Charge the PDA Fix cables to Gliner 2 Measuring from the edge 2 V shaped wires with quickpins on the side and a 30 m cable on each side Measuring from bridge cable way V shaped wire with quickpins on both front eyes and one 30 m cable Specily verticals and mark on cables or bridge Switch on the Qliner 2 press ON OFF for 2 seconds Switch on the PDA Start Qliner software Windows logo gt Start menu gt Gliner V3 Measurement Place the Gliner 2 into the water Establish connection tap on Connect Check the basic settings Configuration Generate a new Site Name location as follows Site Name gt default or select existing Site Name and make basic settings for Site Name and measurement Settings new Site Name Site Name default gt Settings gt Site Name Enter new name gt Make settings gt OK upper right gt confirm again with OK accept Site Name Site Name select existing Site Name gt Settings gt Site Name enter new name gt make settings gt OK uppe
3. Roll Pitch roll and pitch of the Gliner 2 averaged over the complete measurement duration STDRoll STDPitch CellSize STDMeanV standard deviation of roll and pitch actual size of the measuring cells standard deviation of the average velocity 47 Fig 44 Text file with the velocities s L s vertical 0 i 2 3 4 5 6 7 of the individual verticals behi Jee ET vx l 0 470 1 795 1 833 1 934 1 887 1 869 1 661 1 567 0 24 1 627 0 483 Vx A 0 698 d cx EO xl 1 905 1 819 1 832 1 502 1 508 0 40 1 593 0 390 Vx 2 0 843 a 722 1 799 1 918 1 770 1 840 1 424 1 418 0 55 1 592 0 354 551 1 153 132 136 138 138 140 141 140 0 24 ESL 2 147 124 129 132 131 133 135 134 0 40 SS1 3 139 117 124 126 125 128 130 129 0 55 ss2_1 153 133 137 139 138 140 142 141 0 24 S2_2 147 124 129 133 131 134 136 135 0 40 552_3 140 117 124 126 125 128 130 130 0 55 Vx3 1l 0 747 1 642 1 731 1 691 1 557 1 499 0 111 1 398 0 12 1 235 0 466 Vx3 2 0 332 1 558 1 639 1 730 1 739 1 684 214431 1 368 0 15 1 492 0 473 Vx3 3 0 365 1 636 1 745 1 724 1 759 K CH 1 562 1 388 0 20 1 527 0 446 553 1 154 135 136 139 137 140 139 139 0 11 S857 149 126 128 133 131 134 135 133 0 15 SS3 3 142 119 122 127 124 129 130 128 0 20 The last part of the file contains velocities and signal strengths actually measured in each vertical Vx TI Vx velocity of the water calculated from beams 1 and 2 Vx positive flow towards Gliner 2 Vx negative flow away from Qliner 2 01 cell
4. aia Repeat this measurement Button E Screen keyboard Site Name Made by Position first vertical Spacing Line heading Edges Position Depth Factor Repeat this measurement Name of your Site Name location Name of the person carrying out the measurement Distance of the first vertical to the reference point Note Design factors mean that the point for the first vertical lies at a min of 23 cm Spacing between the individual verticals Position of the cross section line with activated com pass see Appendix A Compass Distance between edge and reference point Water depth if the channel is limited by a vertical wall Factor that takes account of the influence of the wall on the flow see Appendix D Discharge measurement smooth walls e g concrete 0 8 0 9 brick walls with vegetation 0 7 rough walls with grass or heavy vegetation 0 6 0 5 Reuses all settings for the next measurement and creates a new Site Name A new file is created and a sequential number added to the original file name 23 24 Fig 17 Reference point position of first vertical edges spacing Fig 18 Settings Profiler Reference Position point first vertical 0 2 3 4 5 Bridge 7 LA voy o e o G AB a b b b b c a Position first vertical c First edge e Depth b Spacing d Last edge
5. Caution Ensure correct closure of the carabiners Depending on the flow or height of the bridge it may be necessary to attach a weight to the cable so that the boat remains horizontal see Fig 15 30 m cable Mum CN MEN xc V shaped wire Direction of f Carabiner lt Carabiner Gliner 2 m di Weight 21 5 2 Measurement settings in the Gliner PDA software First establish a connection between the Qliner 2 and the PDA see Chapter 5 3 so that the system can compare the values entered with the threshold val ues of the sensor Select one of the three ways for defining a new Site Name location and com plete the data on the tab pages Creating new Site Name editing saving see Chapter 5 2 1 Enter data on Site Name Settings gt Site see Chapter 5 2 2 Entering data for measurement Settings gt Profiler see Chapter 5 2 3 Entering notes for measurement situation Settings gt Notes see Chapter 5 2 4 5 2 1 Creating new location Site Name editing saving Create new Site Name Select Site Name gt default in the drop down menu in the main window Tap on tab point Settings after which the tab page Site appears At Site Name enter a name Enter the data for your measurement Once you have made all the settings on the tab pages Site Profiler Notes tap at upper right in the display on OK to return to the main window E
6. Depth depth of cells in m Vx flow velocity in m s Fig 38 View List vs Al AZ A 0 389 0 81 21 20 I35 226 I 0 46 0 58 1 16 111 112 0 56 0 69 1 24 107 108 Ej List shows the measurement in the form of numerical data Nr 3 number of the vertical Nr number of cells V1 V2 and V3 velocities in m s measured by each individual beam and per cell AI A2 and A3 amplitudes of the reflected signals 41 42 Fig 39 View Discharge after completing the measurement 6 4 Ending measurement Once all verticals have been measured and the measured values accepted with Accept in each case the software can now automatically calculate the dis charge on the basis of the data present To end the measurement select the sub menu End this measurement from menu point Tools The page View Discharge with a yellow background shows the result for the discharge Ee a vido bo Jn oo n 29 20 m o7 m zn Check the entries If the values are correct and you wish to complete the measurement tap on the End button The measurement is complete and all connected data saved The program shows the main window the Site Name default and is ready for a new measurement If you wish to continue the measurement tap on Continue The program returns to the main window and to the current measurement gt The position line moves to the next vertical or is at the end of the measure
7. Immersion 0 04 Nr of cells 20 Measure time 30 Spacing 0 70 use Beam 3 yes Upstream_water_level 0 00 Downstream_water_level 0 00 Control Text UNSP NOTES END NOTES The first part of the file contains the general settings for the measurement Fig 42 The second part of the text file with the overview Summary about the complete measurement Fig 43 Text file section Details BEES SUMMARY Edge 1 0 00 Edge 1 Depth 0 00 Edge 1 factor 0 70 Edge 2 19 20 Edge 2 Depth 0 70 Edge 2 factor 0 70 Position 2 000 4 000 6 000 8 000 10 000 12 000 14 000 14 600 vertical 0 T 2 3 4 5 6 7 Mean vel 0 847 1 538 1 587 1 605 1 575 1 589 1 293 1 266 Depth 2 360 2 370 1 990 1 830 1 560 1 360 1 120 1 150 Q 3 997 7 289 6 317 5 875 4 915 4 322 1 883 3 787 Edge Q 0 000 1 427 Total Q 39 81 0 24 The second part contains an overview summary about the complete measure ment sorted by vertical Position distance of the verticals from the reference point Vertical number of the verticals sorted by their position on the measurement cross section Mean Vel mean velocity in this vertical Depth depth at this position Q discharge calculated for this section Edge Q discharge calculated for the section between the waterway edges and the adjacent verticals Total Q complete discharge and its standard deviation Start Date Time 01 01 2000 00 32 42 vertical 0 ab 2 3 4 5 6 7 Position
8. the depth could not be measured by beam 4 but could be measured by beams 1 and 2 Red the depth could not be measured The last value measured is displayed number of cells used in the calculation Calls the View tab pages Here you can see the measured data in detail in real time during a measurement or the values determined after a measurement Settings for the measurement Profiler and the Site Name location and the possibility of comments begins the test mode and automatically establishes a connection between Qliner 2 and PDA PDA establishes a connection with the Qliner 2 Notes Connect green background connection estab lished successfully Connect red background no connection 33 Menu bar Fig 26 Menu bar File open existing measurements ends the Gliner PDA software Fig 27 Menu bar Configuration Configuration General Settings Communication General basic settings basic settings for communication Fig 28 Menu bar Tools Tools End this measurement About QLiner ActiveX Version Profiler Info Error model Convert file to Text View last Testreport 34 ends the measurement version number of the software version number of the communication software information on the current profiler overview of the standard deviation export of the data as text file txt format overview file with the data from the test measu
9. 1 000 kHz sensor 0 2 m 2 000 kHz sensor 0 05 m Number of cells in a vertical Is automatically calculated after a change in the cell size or the maximum depth This value should not be higher than 40 as otherwise it gives rise to excessive processing times Transmission power of the ultrasound sensors Frequency of your sensor 1 000 or 2 000 kHz set at Configuration gt General Settings 25 26 Fig 19 Settings Notes 5 2 4 Entering notes for measurement situation Here you can enter comments on the current measurement situation Water level Upstream Control Text ex 4x51 Q Em Downstream om m Notes Water level Upstream Downstream Control text Enter your own comments via the screen keyboard of the PDA Water level at the beginning of measurement Water level at the end of measurement Select from the following preset comments in the drop down menu 1 UNSP undefined standard 2 CLER noobstructions in the area of the current profiler 3 NFLW no flow at current profiler 4 SUBM current profiler submerged 5 AICE current profiler fixed by ice 6 SICE edge icy 7 CICE current profiler covered with ice 8 FIL water in current profiler 9 SCUR current profiler touches bottom 10 HVDB current profiler was very dirty 11 MDDB current profiler was fairly dirty 12 LGDB current profiler was a little dirty 13 MAHV current profile
10. 5 2 3 Entering data for measurement qx 3 06 QD Maximum depth 2 50 m Cel sze 30 m Immersion depth on m Measure time Bo s Blanking distance m Nr of Celi Tx Power Min e fax Sensor frequency 2000 kHz Ste Profier notes Ej Note Take account of the maximum and minimum measuring ranges of your selected sensor when entering the values in the Qliner PDA software Maximum depth Cell size Immersion depth Measure time Blanking distance Nr of Cells Tx Power Sensor frequency Maximum depth of channel Notes Select a larger maximum depth than the maximum depth of the waterway If this value is not known use the test mode see Chapter 6 1 Choose the cell size based on the necessary accuracy Note The minimum cell size is dependent on the sensor 1 000 kHz sensor 30 cm 2 000 kHz sensor 10 cm Distance between water surface and middle of the sensor see Fig 45 This value lies between 0 04 m and 0 06 m depending on the flow this is the value when the catamaran is in a horizontal position in the water Note The sensors must be under the water for the entire measurement otherwise the measurements could pro vide false readings Choose 30 to 45 seconds with high discharges and up to 60 seconds for lower speeds Choose according to required accuracy see Appendix C Measurement principle Note The minimum blanking range is dependent on the sensor
11. 8 5 Processing with OTT Qreview PC software 9 Error messages error correction 9 Error correction with the Bluetooth connection 9 2 Error correction during measurement 10 Maintenance 11 Repair 12 Note about the disposal of old units 13 Technical Data 14 Order numbers 52 52 53 54 55 Appendix A Compass Appendix B Installing the Gliner software on the PDA Appendix C Measurement principle Appendix D Discharge measurement Appendix E Declaration of conformity 56 58 59 61 63 Note These operating instructions version 03 1114 describe the Gliner operating software for Windows Mobile 6 Classic version 3 40 current profiler firmware 4 31 The software version for the Qliner operating software can be determined via the yellow question mark in the menu bar in the main window of the PDA see Chapter 4 3 3 The software version for the current profiler can be determined via Tools gt Profiler Info in the menu bar in the main window of the PDA see Chapter 4 3 3 A description of an update can be found in Appendix B Installing the Qliner software on the PDA for the Qliner operating software 1 Scope of supply OTT Gliner 2 1 mobile discharge measurement system consisting of Catamaran in glass fiber reinforced plastic Integrated Doppler current profiler with 4 ultrasonic transducers PDA with German or English operating system and accessories Integrated Bluetooth wireless data uni
12. charging and turns green when the battery is completely charged Notes The sensor and transceiver of the Qliner 2 are provided with power by the battery The charging time is dependent on the charging state of the battery Approx 6 hours are sufficient to charge a fully discharged battery Make absolutely sure that the batteries are fully charged before beginning the measurement For long measurements take a charged replacement battery to the station replacement battery available as an accessory Separate operating instructions are provided for the charging unit Charging unit 4 Ah lead acid battery Plug adapter interchangeable Cylindrical connector Fig 7 Position of the battery in the Qliner 2 catamaran Fig 8 Inserting and removing the Qliner 2 battery 4 Ah lead acid battery Hook and loop fastener i How to replace the battery Ensure that the device is switched off before removing the battery Open the screw closure on the upper side of the Qliner 2 Note the rubber O ring inside the screw closure Disconnect the battery from the cylindrical connector Open the hook and loop fastener on the top of the battery Remove the battery from the foam insert Insert a new battery and connect the cylindrical connector Close the hook and loop fastener on the top of the battery Carefully screw on the screw closure on the upper side of the Qliner 2 Screw clo
13. logo at top left to call Start menu Programs Tap on Qliner_V3 to start the Gliner PDA software You are now in the main window Tap on Connect Notes With a successful connection the Connect button has a green background If a connection could not be established the Connect button has a red back ground On establishing a connection between the PDA and Qliner 2 both systems compare their time and date settings and if these differ you are asked whether the data on the Gliner 2 should be synchronized with that on the PDA It is not possible to connect a different Bluetooth device to the Gliner 2 and no PDA from other Gliner 2 systems can establish a connection with this system Fig 22 Main window with Connect 3 nmm sA button with green background 29 30 Transmission reception range In the longitudinal axis of the Qliner 2 50 70 m In the transverse axis of the Gliner 2 100 200m Fig 23 Transmission and reception range of the Bluetooth radio unit Notes When working from a bridge you must be within the range for receiving and transmitting wireless data for the Gliner 2 see Fig 23 Interference can result if other Bluetooth devices e g cell phones wireless headphones or other PDAs are nearby With a distance between PDA and the Gliner 2 of more than 30 m an uninter rupted line of sight between both components should be ensured The connection can also be affected if
14. negative flow away from Gliner 2 begins the measurement and automatically establishes a connection between Qliner 2 and PDA Note With a running measurement the Start button changes to Stop with which the measurement can be ended Selection of position of vertical to be measured The number between lt and gt shows the number of the vertical Note If you repeat a measurement the values already mea sured are not displayed in the main window These data can be viewed under menu point File gt open gt Site Name gt Nr of verticals All measured data are stored here and you can specify which measurement is included in the calculation by checking Valid distance of the current vertical to the reference point Line 2 The following lines have different content at different times Time Field 1 Field 2 Field 3 1 Program B OIT starting 2 Connection Serial number of Transducer Qliner established the Profiler frequency in kHz 3 During the Number of mea Time of last Qliner measurement sured values received mea received sured value line 3 Speed average velocity of the water between surface and Heading Depth Line 4 Good cells Line 5 View Settings Test Connect bottom course of the Gliner 2 in degrees related to north measured water depth Note The color of the depth value shows the status of the depth measurement as follows Blue he depth has been successfully measured by beam 4 Green
15. the charging state of the battery in the PDA or the Gliner 2 is too low Heavy precipitation or fog can reduce the range of the Bluetooth radio unit 6 Carrying out the measurement E Tap on the Windows logo at top left to call Start menu gt Programs Tap on Qliner_V3 to start the Qliner PDA software E You are now in the main window From here you can start and stop the measurement follow the measurement progress and select the various viewing possibilities Fig 24 Main window Menu bar Site Name Choose an existing or a new Site Name location from the drop down window see Chapter 5 2 1 32 Fig 25 Graphic of the main window T Vedors T Position line x axis Approximate depth profile Actual depth profile Graphic x axis y axis Approximate depth profile Position line Actual depth profile Vectors Line 1 Start lt and gt At distance from cross section zero point in meters depth under water surface in meters Simplified representation of the waterway bottom formed from the settings of Edge depth Edge position and Maximum depth Shows the position of the verticals that are to be measured Shape of the bottom based on the actually measured depth values After completing all measurements this curve shows a complete cross section bearing Flow vectors Green measured flow positive flow towards Gliner 2 Blue measured flow
16. 2 00 4 00 6 00 8 00 10 00 12 00 14 00 14 60 Time s 0 95 588 819 928 1012 1093 1201 Nrcells 20 20 20 20 20 20 20 20 Goodcells 11 11 9 9 7 6 5 5 Battery 12 60 12 60 12 60 12 60 12 60 12 60 12 59 12 57 Headi ng 177 56 183 11 181 63 182 76 182 13 180 69 178 06 177 02 STDHeading 9 92 1 76 0 90 0 85 0 53 0 67 1 10 0 93 Depth 2 36 2 37 1 99 1 83 1 56 1 36 T 12 1 15 sTDDepth 0 07 0 00 0 01 0 00 0 01 0 00 0 00 0 00 SoundSpd 1419 31 1420 01 1421 33 1421 50 1421 52 1421 60 1421 60 1421 70 rece 3 50 3 65 93 o8 3 99 4 00 1 2 Rol 2 12 1 62 1 60 1 76 1 82 1 67 1 80 1 54 STDRO11 1 12 0 42 0 17 0 30 0 26 0 30 0 26 0 32 Pitch 0 01 6 19 KA 4 93 5 04 5 71 4 33 3 22 STDPitch 0 49 0 33 0 24 0 18 0 20 0 26 0 43 0 29 cellsize 0 1541 0 1541 0 1541 0 1541 0 1541 0 1541 0 1541 0 1541 STDMeanv 0 03 02 02 02 02 0 01 0 03 0 02 The Details section contains all data recorded for each individual vertical Time s s time in seconds from the beginning of the measurement NrCells number of cells measured in this vertical GoodCells number of cells used in the calculation Battery V battery voltage in Qliner 2 Heading heading of the Qliner 2 If this value is O the compass has not been activated STDHeading standard deviation of heading Depth m actual water depth measured depth immersion depth STDDepth standard deviation of the depth measurement SoundSpd m s velocity of the sound waves in the water Temp C temperature of the water
17. Operating instructions Mobile River Discharge Measurement System OTT Gliner 2 We reserve the right to make technical changes and improvements without notice Table of contents 1 Scope of supply 2 Introduction 2 1 Measurement principle 2 2 Components of the Gliner 2 measurement system 3 Safety information 4 Starting up 4 1 Charging the Gliner 2 battery 4 2 Charging the PDA battery 4 3 Making checking the basic settings for the Gliner PDA software 4 3 1 General basic settings 4 3 2 Basic settings for the Bluetooth connection 4 3 3 Further software options and tools 5 Measurement preparations on location 5 1 Preparing Gliner 2 for location 5 1 1 For measurement from the edge 5 1 2 For measurement from a bridge cableway 5 2 Measurement settings in the Gliner PDA software 5 2 1 Creating new location Site Name editing saving 5 2 2 Entering data for location 5 2 3 Entering data for measurement 5 2 4 Entering notes for measurement situation 5 3 Establishing Bluetooth connection 6 Carrying out the measurement 6 1 Testing the measurement 6 2 Starting the measurement 6 3 Following the measurement 6 4 Ending the measurement 6 5 Checking the measurement 6 6 After the measurement 7 Measurement quick start 8 Processing measurement data 8 1 Saving the data on the PDA 8 2 Saving the data as a text file on the PDA 8 2 1 Content of the text file 8 3 Transferring the data from PDA to PC 8 4 Deleting the data from the PDA
18. ation given describes the discharge calculation for an individual segment The total discharge is thus the sum of the partial discharges of all segments Taking account of vertical edges The amount of discharge in the edge areas with vertical edge walls is taken account of as illustrated in Figure 53 Cross section zero point K edge factor for allowing for the roughness of the edge wall The edge factor entered is dependent on the characteristics of the edge As a guide Edge characteristic K Smooth edge with no vegetation e g concrete steel cement 0 8 0 9 Brick sides with vegetation 0 7 Rough walls with heavy vegetation 0 6 0 5 Appendix E Declaration of conformity OTT mE ome Konformitatserklarung Declaration of Conformity Declaration de Conformit Wir Wei Nous OTT Hydromet GmbH Anschrift Address Adresse Ludwigstra e 16 D 87437 Kempten erkl ren dass das Produkt declare that the product declarons que le produit Bezeichnung Name Nom OTT Qliner 2 LG Artikel Nr Article No No d Article 22 405 001 2 0 mit den Anforderungen der Normen bereinstimmt fulfills the requirements of the standard satisfait aux exigences des normes EG 2004 108 EG E IPIE Ort und Datum der Ausstellung Kempten den e Place and Date of Issue Lieu et date d tablissement Ze f LL Name und Unterschrift des Befugten L Z C A Name and Signature of authorized person
19. ave a faulty OTT Gliner 2 inspected and repaired by our repair center On no account carry out repairs yourself For further information see Chapter 11 Repair Dispose of the OTT Qliner 2 properly after taking out of service For further information see Chapter 12 Note on the disposal of old units 11 12 Fig 6 Charging the Qliner 2 battery 4 Starting up Carry out the following steps before starting the measurement Charging batteries Catamaran see Chapter 4 1 PDA see Chapter 4 2 Making checking the basic settings for the Gliner PDA software see Chapter 4 3 General basic settings Configuration General settings see Chapter 4 3 1 Basic settings for the Bluetooth connection Configuration Communication see Chapter 4 3 2 Further software options and tools see Chapter 4 3 3 Tools Exit software 4 1 Charging the catamaran battery How to charge the batteries Ensure that the device is switched off before removing the battery Open the screw closure on the upper side of the Gliner 2 by rotating counter clockwise Disconnect the cylindrical connector Open the hook and loop fastener on the top of the battery Remove the battery from the foam insert Connect the battery to the charging unit cylindrical connector Plug the charging unit into a socket Country specific plug adapters are sup plied with the charging unit An LED on the charging unit lights yellow during
20. city Depth Roll Pitch Heading Temperature Battery SoundSpeed overs Ej After accepting the data the program returns to the main window and is ready to start the next measurement The position line moves automatically to the next vertical Bring the Gliner 2 to this position and start the next measurement Note If you want to measure a vertical at a different spacing to that preset you can enter the position manually at At in the main window using the screen keyboard of the PDA Fig 31 Depth could not be determined If the sensor is unable to determine a depth the following window appears fg QLiner eX DEET Depth could not be measured Enter manual depth Maud m Use previous Previous m Use maximum depth Maximum oso m Ej Enter manual depth Use previous Use maximum depth enter the depth manually if known using the screen keyboard of the PDA Note Note that decimal values must be entered separated by a point e g 1 7 uses the value of the previous depth measurement if this gave a result uses the value that you entered at Site Name Settings Profiler in Maximum depth Note Ensure that this value is greater than the actual maxi mum depth However you can change the measured depths while processing with Qreview 37 38 Fig 32 View Overview Fig 33 View Discharge 6 3 Following measurement On the View tab pages you can fo
21. dden increase in amplitude The position of the bottom is the position of the sudden peak i in the amplitude gt Displays the depth measured and the amplitude of the received signal for beams 1 and 2 Red amplitude beam 1 Green amplitude beam 2 gt Blue line depth measured by beam 3 gt Red broken line the depth calculated from beams 1 and 2 46358 D Nr 01 At 4 00 m 1 1 00 12 29 55 AM MeanV 1 19 m s Good Cells 11 Ej Velocity gt Shows the measured velocities of the water over the whole depth Red line velocity of water measured by beams 1 and 2 Blue line velocity of water measured by beam 3 Green line Powerlaw curve 39 A0 Fig 36 View Vx depth Note You can change the scaling of the horizontal axis Velocity on the graphic E By tapping on the screen the scaling window is displayed Tap on X2 or 2 to double or halve the x axis scaling each time To reset this scaling tap on R Vx Depth Two graphics are shown on this page gt Speed Blue vectors show the average velocity and the direction of the measured flow for each vertical With the compass deactivated the vectors point vertically upwards Depth shows the measured depth profile Fig 37 View List Vx e 46201 QD List Vx shows the number of individual cells for the current vertical with the respective depths and the velocity measured there Nr 1 number of the vertical Nr number of cells
22. dit existing Site Name Select the required existing Site Name in the drop down menu Site Name in the main window Tap on tab point Settings after which the tab page Site appears At Site Name enter a new name and adapt the remaining data to your current measurement Once you have made all the settings on the tab pages Site Profiler Notes tap at upper right in the display on OK to return to the main window Save existing Site Name Select the required Site Name in the drop down menu Site Name in the main window Tap on tab point Settings after which the tab page Site appears Tap on the Repeat this measurement button The system asks whether you want to accept all data for the set Site Name A new file is created and a number is added to the original file name Fig 16 Settings Site Notes If an already existing project is selected at Site name a warning is displayed by the system that the new measurements will be added to the old file If you do not want this change the name of the Site Name at Settings gt Site gt Site Name After you have tapped on OK the settings are then checked If your selected values for Blanking distance or Cell size do not lie within the thresholds applic able to your sensor a warning is displayed and settings reset to the maximum or minimum standard values 5 2 2 Entering data for the location Geen aa 10 70 Last 119 20 m Manually M editable field
23. e measurement cross section Tap on Start The measurement begins and a blue bar and the message Measuring in the main window indicates the measurement progress During the measurement an acoustic signal indicates the beginning of the measure ment 10 seconds remaining for measurement and the end of the measurement The software automatically checks whether the depth has been correctly measured after completion of the measurement 35 36 Fig 30 Check of the measurement data on the View tab pages Notes In order that beam 4 can determine a value for the depth ensure that the Qlin er 2 sits calmly in the water during the measurement and the sensors are under the water surface for the whole measurement Ensure that the current profiler is not dirty e g by plants Ensure that the maximum depth has been set correctly Site Name gt Settings gt Profiler see Chapter 5 2 3 If the actual depth is deeper than the set maxi mum depth the measurement fails If a value exists for the depth the tab page Overview of point View is dis played with the Accept button shown with a green background and the Discard button with a red background Check the results of the measurement on the various View tab pages The val ues of the fields with a white background can be edited manually using the screen keyboard of the PDA Accept the measured values with Accept or reject them with Discard ILLER KEMPTEN OTT 1 Vertical nr Mean velo
24. ents of the Qliner 2 measurement system OTT Qliner 2 catamaran Catamaran in glass fiber reinforced plastic Dimensions 957 x 482 x 255 mm L x W x H Weight approx 11 5 kg incl battery Inside the Qliner 2 are the following Battery Measurement electronics Fig 3 Upper side of the Gliner 2 with battery under the screw closure Fig 4 Integrated Doppler current profiler on the underside of the catamaran Screw closure SE Y Pressure compensation element 4 Ah lead acid battery Hook and loop fastener cp P L Doppler current profiler with 4 ultrasonic transducers The Doppler current profiler 1 MHz or 2 MHz is integrated on the underside of the OTT Qliner 2 Integrated Doppler current profiler The integrated Doppler current profiler in the Gliner 2 system can be supplied in two versions Version 1 Version 2 Transducer frequencies 1 MHz 2 MHz Water depth measuring range 20m 10m Minimum cell size 30 cm 10 cm Minimum blanking range 10 cm 5 cm Necessary min water depth 120 cm 35 cm Note Take account of the maximum and minimum measuring ranges of your selected sensor when entering the values in the PDA software 10 Fig 5 Trimble amp Nomad with Bluetooth antenna PDA with integrated Bluetooth transceiver The PDA has an integrated Bluetooth 2 0 module and an antenna for receiving the data from the Qliner 2 The German or English operating system a
25. fore you cannot exchange the transceivers of different systems Problems can result if other Bluetooth devices e g cell phones wireless head phones or other PDAs are nearby With a distance between PDA and the Gliner 2 of more than 30 m a direct line of sight between both components should be ensured The connection can also be affected if the charging state of the battery in the PDA or the Gliner 2 is too low An attempt to establish a connection fails immediately The serial port does not react because it is in use by another program close this program it has not been activated since a system crash carry out a reset of the PDA hold Power ON button pressed for 10 sec The Bluetooth connection is broken check the settings for the timeout at Configuration Communication and increase this setting from Short to Medium or Long It is recommended that the timeout is set to Long You can specify the number of minutes after which the PDA activates the Sleep mode in order to save battery power If this value is too low e g 1 to 2 minutes it is possible that while moving the Gliner 2 the PDA goes into sleep mode and as a result the connection to the Gliner 2 is broken Set the time for activating the sleep mode of the PDA higher For instructions on this read the operating instructions of the PDA 9 2 Error correction during measurement No data for water depth Ensure that the Gliner 2 is lying as calmly as possible
26. ge this setting Baudrate describes the modulation rate of a data transmission Do not change this setting as the Gliner 2 is set to a fixed 9600 baud Timeout period of time that the data transmission between Qliner 2 and PDA may take up before it is aborted It is recommended that the timeout is set to Long Save your entries with OK or discard them with Cancel You return automati cally to the main window Fig 12 Tools gt Error model 4 3 3 Further software options and tools Tools In the menu bar at the lower screen edge there is the menu point Tools see Fig 28 With this you have access to information about the software and hardware and to additional functions of the Qliner PDA software End this measurement ends the measurement see Chapter 6 4 About Qliner shows information and the version of your software ActiveX Version shows information and the version of the communi cation software Profiler Info shows information and the version of the current profiler After a measurement you can also check the charge state of the battery under this point Error estimation Rated Q Width Depth Nr of verticals Cell size Measure time Front Back displacement STD Velocity STD Motion STD Total Ej Error model overview of the standard deviation This page gives you the possibility to estimate the effect that a change in a measurement parameter will have on the standard deviation by
27. guration gt Communication see Chapter 4 3 2 Further software options and fools see Chapter 4 3 3 Tools Exit software 15 16 Fig 10 Configuration General Settings 4 3 1 General basic settings Tap in the main window on menu point Configuration General settings Note These parameters are saved even after switching the PDA off and on and therefore do not have to be reset for each measurement lot mer a d 11 49 Save raw data Save data to Built in Storage b Powerlaw Units Metric Se Frequency kHz 2000 v Use beam 3 _ Use compass ele Save raw data Saves profiles every 3 seconds Notes Every 3 seconds the Gliner 2 automatically mea sures a velocity profile For discharge measurement an average from these profiles is used The amount of data resulting can require a large amount of memory with lots of measurements Save data to Select the location for saving your data Note Data saved in the PDA are not lost An external stor age medium can only be attached via USB Powerlaw Units Frequency kHz Use beam 3 Use compass describes the mathematical relationship between depth and the flow velocity at this depth The Powerlaw curve is used for calculating the average flow velocity The value you use for the Powerlaw cal culation is dependent on the nature of the bottom Powerlaw value rough large stones and vegetation 4 some stones and vegeta
28. he myOTT area Microsoft ActiveSync File View Tools Help EX Explore Connected Hide Details amp Information Type Status Fig 49 Doppler effect change in the wavelength when source and receiver are moving relative to each other Appendix C Measurement principle The Doppler effect Acoustic Doppler current meters use a simple physical measuring principle the Doppler effect This describes the change in wavelength of a sound or electromag netic wave in the case where the source and receiver of the waves are moving relative to each other Everybody can observe this phenomenon themselves with a passing emergency vehicle using its siren While the vehicle is approaching the sound perceived is higher While it is moving away it becomes deeper The change in frequency is proportional to the speed of the vehicle Sound source Sound wave Velocity measurement using the Doppler principle with the OTT Qliner 2 The OTT Qliner 2 uses the Doppler effect to measure the vertical velocity profile flow velocity of individual measuring cells lying under each other of the verticals The sound pulses transmitted by the ultrasonic transducers of the sensor are reflected by moving particles in the water e g plankton air bubbles etc On the assumption that the particles are moving with the same velocity as the flow in which they are found the flow velocity can be calculated using the measured f
29. ill result in the loss of any guarantee rights 12 Note about the disposal of old units Within the member countries of the European Union In accordance with the European Union guideline 2002 96 EC OTT takes back old devices within the member countries of the European Union and disposes of them in an appropriate way The devices concerned by this are marked with the symbol shown aside For further information on the return procedure please contact your local sales contact You will find the addresses of all sales partners in the internet on www ott com Please take into consideration also the national implementation of the EU guideline 2002 96 EC of your country For all other countries Dispose of the OTT Gliner 2 properly after taking out of service Observe the regulations valid in your country for the disposal of electronic devices Never put the OTT Qliner 2 into the normal household waste Materials used See Chapter 13 Technical data 53 13 Technical data Measuring the flow velocity Transducer frequency Maximum range water depth Size of the measuring cell Blanking minimum Required water depth minimum Number of measuring cells maximum Measuring range Standard Maximum Accuracy Maximum measuring frequency Temperature sensor Measuring range Accuracy resolution Gliner PDA software Mobile device Functions Qreview software for PC 2 Radio connection Frequency Type Range Pocket PC Type Pro
30. in the woter Ensure that the maximum depth has been set correctly If the actual depth is deeper than the set maximum depth the measurement fails Irregular velocity data The values for the velocity suddenly drop integrated sensor is affected by water plants or similar Clean the Current profiler Note The sensors must be under the water for the entire measurement otherwise the measurements could provide false readings 51 10 Maintenance The OTT Qliner 2 is generally maintenance free No setting or calibration work is necessary There are likewise no parts that need replacing regularly After the measurement switch off the Gliner 2 by pressing 5 seconds ON OFF on the operating display Clean the Gliner 2 catamaran and the integrated current profiler with clean water after every measurement Ensure that the Gliner 2 is never packed in a wet or damp state 11 Repair With a problem with the device use Chapter 9 Error messages error correc fion to see if you can resolve the problem yourself In the case of device defects please contact the repair center of OTT OTT Hydromet GmbH Repaircenter Ludwigstrasse 16 87437 Kempten Germany Telephone 49 831 5617 433 Fax 49 831 5617 439 repair ott com Warning Only have a defective OTT Gliner 2 checked and repaired by the OTT repair center Never make any repairs yourself under any circum stances Any repairs or attempted repairs carried out by the customer w
31. llow the measured data at any time During a measurement the data are displayed in real time After completing a measurement the data determined over the whole measur ing period are displayed e 46226 QD ILLER KEMPTEN OTT 2 Vertical nr Mean velocity Depth Roll Pitch Heading Temperature Battery SoundSpeed Valid over On the Overview tab page the parameters of the current verticals are displayed Roll Angle of the Qliner 2 around its longitudinal axis Pitch Angle of the Qliner 2 around its transverse axis Battery shows the battery voltage for the sensor and transceiver of the Qliner 2 Valid decides whether this measurement is included in the calculation lot mmer a57 ILLER KEMPTEN OTT 1 Edges Position Depth Factor Fist fo 00 m om m Ls 1920 m 0 70 m Nr of verticals E Avg Velocity m s Avg Depth m Area KR m Width m 19 20 Discharge x m s Genie tutu Ej Discharge shows the result and the connected values of the discharge calculation from the verticals already measured Fig 34 View Amplitude Fig 35 View Velocity Nr 01 At 4 00 m 1 1 00 12 29 55 AM 1 19 m s Good Cells 11 Amplitude Due to the damping of ultrasound in water the amplitude of the received signal decreases with increasing depth However if the signals are reflected by the bot tom or other hard material this is shown as a su
32. ment cross section Fig 40 Checking the measurement 6 5 Checking the measurement All measurements saved on the PDA can be checked with the Qliner PDA soft ware the individual verticals checked and if necessary the measurement results edited Note All pages have a green background in the checking windows How to check your measurement Tap on File Open in the menu bar Select the storage location Select Site Name Confirm with OK A message box shows you the number of measured and saved verticals Confirm with OK and the display switches to the View Overview page Tap the window on List Vx or List on the screen and a window opens with arrows Change between the individual measured verticals using these Close this window with x to check the other tab pages for the selected vertical The fields with a white background can be edited Changes in the data are effective as soon as you tap on Apply changes de wie 215 Ook o ac3070 Im 0 02 Eia be 0 50 Ke Notes The verticals are displayed in the order in which they were measured If multiple measurements exist for a vertical these are displayed with the same Vertical nr Each individual vertical measurement can be excluded from the discharge calculation by deactivating the Valid box The program numbers the verticals starting with O 43 44 6 6 After the measurement Take the Qliner 2 out of the water Switch off the Qliner 2
33. n the Gliner 2 in the channel from the edge with the help of the cables Note that access to both edges is necessary Required accessories 2 x V shaped wires with quickpins 2 x carabiners 2 x cables 30 m measuring tape 30 m possibly pulley not supplied for measurement by one person How to set up the station Attach the two V shaped wires to both long sides of the Gliner 2 with quickpins Attach each end of the 30 m cables to both thimbles of the V shaped wires using the carabiners Caution Ensure correct closure of the carabiners The exact layout can be seen in Fig 13 With a small channel and measurement by one person position the pulley on the opposite edge and feed one of the cables through it With a wide channel a second person holds the cable on the opposite edge TE me Fig 14 Example of a discharge measurement from a bridge Fig 15 An additional weight accessory holds the Gliner 2 in the measuring position Alternatively an OTT middle piece with adapter hook accessory can be used 5 1 2 Measuring from a bridge cableway Required accessories 2 V shaped wires with quickpins 1 carabiner 1 cable 30 m possibly a weight not supplied How to set up the station Attach one V shaped wire with quickpins to the two front eyes on the left and right of the Gliner 2 Attach the end of the 30 m cable to the thimble of the V shaped wire using a carabiner
34. nd the language version ordered by you for the Qliner PDA software are pre installed on delivery Notes Please read the operating instructions supplied before using the PDA The display of the Trimble Nomad PDA has a protective film that can be easily changed as required e g with signs of heavy use The Bluetooth antenna is retrofitted by OTT and is not standard equipment of the Trimble Nomad PDA ae Bluetooth antenna 3 Safety information Read these operating instructions before using the Qliner 2 for the first time Familiarize yourself completely with the installation and operation of the Gliner 2 Retain these operating instructions for later reference Note all the information on dangers given within the individual work steps Only use the Qliner 2 in the way described in these operating instructions Ensure the electrical mechanical and climatic specifications listed in the technical data are adhered to For further information gt see Chapter 13 Technical data Do not make any changes or modifications to the Qliner 2 Any changes or modifications will lead to the loss of all rights to warranty claims Make absolutely sure the quickpins have been attached correctly and the cara biners closed properly before placing the Qliner 2 into the water Make absolutely sure that the opening on the upper side of the Qliner 2 has been properly closed in order to prevent the entry of water into the unit H
35. on of the verticals are specified by the user before beginning the measurement taking account of the cross sectional geometry At each vertical the OTT Qliner 2 automatically records the water depth and dependent on this the flow velocity in one or more measuring cells lying under each other profiling All data obtained are then used in a mathematical process to calculate the average flow velocity of the vertical and the partial discharge of a discharge segment defined in accordance with EN ISO 748 mid section method The discharge is calculated as the sum of all partial discharges after completing the measurement of all verticals Vertical Discharge calculation The OTT Qliner 2 calculates the discharge according to the mid section method mid cross section method in accordance with EN ISO 748 With the mid cross section method the measurement cross section is divided into individual segments The width of the individual segments is determined as half the distance to the neighboring vertical in each case For this reason the first and last verticals should be as near to the edges as possible when using this method 61 62 Fig 52 Discharge calculation for an individual segment Fig 53 Discharge calculation with vertical edge walls poi nt Cross section zero o 5 Vmi hi Yna ha M h Vma P4 Segment Malik HI 2 3 The equ
36. r right gt confirm again with OK Site Name keep name gt make settings gt Repeat this measurement gt confirm again with OK system adds a sequential number to the existing name Position the Qliner 2 at the first vertical to be measured Ensure that the red position line in the main window of the software corresponds to the position of the Qliner 2 Center axis of Qliner 2 position line in main window Tap on Start The measurement begins Accept the measurement data with Accept or tap on Discard in this case repeat the measurement with Start Move the Gliner 2 to the next vertical Repeat the last 3 steps until the last vertical has been measured start measurement accept measurement data move Qliner 2 In the menu bar select Tools gt End this measurement The page View Discharge is displayed with a yellow background Check values If the values are correct end the measurement with End Further processing Save the data as a text file txt format via Tools gt Convert file to Text Copy to PC with ActiveSync Continue processing text file with a text editor or spreadsheet program Processing with Qreview See Qreview instructions 45 46 Fig 41 First part of the text file with the general settings for the measurement 8 Processing measurement data 8 1 Saving the data on the PDA All data for your measurements on your PDA are saved in folder GlinerData The location of this folder i
37. r was covered with a lot of moss algae 14 MAMD current profiler was covered with some moss algae 15 MALT current profiler was covered with a little moss algae Once you have made all the settings tap at upper right in the display on OK to return to the main window 5 3 Establishing Bluetooth connection Carry out the following steps to establish the Bluetooth connection Switch on the Gliner 2 catamaran E Start the PDA Place the Gliner 2 into the water E Start the Qliner PDA software How to switch on the Gliner 2 E Press ON OFF on the operating display of the Qliner 2 for 2 seconds E The green LED Power lights and shows the voltage supply E The blue Connect LED blinks until the Bluetooth connection between the Qliner 2 and the PDA has been established As soon as the connection has been established it lights continuously Fig 20 Operating display of the Qliner 2 SN CiMHz Ll2MHz K mm GBluetooth radio module C Fe FCC ID PV7 BLUEBEAR 27 28 How to start the PDA Press the on button of your PDA Fig 21 Starting PDA On button The Bluetooth connection between the PDA and the Gliner 2 catamaran is automatically established Place Qliner 2 in water Using the cable place the Gliner 2 slowly into the water The front points towards the flow See Fig 13 and 14 How to start the Gliner PDA sofrware and establish a connection Tap on the Windows
38. rement Fig 29 Overview file of the lest measurement 6 1 Testing measurement Basic data about the Site Name location can be found with a test measurement This makes sense for example if you do not know the maximum depth of the channel Carry out this test before the actual measurement Prepare the measurement as described in Chapters 4 and 5 Tap on Test and the Qliner 2 starts the test measurement Move the Gliner 2 slowly along the measurement cross section over the chan nel Tap on the Stop button An overview file with the most important data from the test measurement is displayed lot mer EE ETE Creating report TEST_134201 txt a QLiner Discharge Measurement S8ystem data System Time 11 28 07 1 QLiner Time 1 1 00 12 C Firmware 1 15 Serial nr AQD 2459 Frequency 2000 kHz BeamWidth 1 70 degree Beam Angle 25 degrees Software Version 311 Battery Voltage 12 70 V Error word 00 Notes These data can be viewed during the actual measurement via Tools gt View last Testreport If the function Save raw data in Configuration gt General settings is selected these data are saved in RawVerticals dat see Chapter 8 1 6 2 Starting measurement Prepare the measurement as described in Chapters 4 and 5 Position the Qliner 2 at the first vertical to be measured Ensure that the red position line in the main window of the PDA corresponds with the position of the Qliner 2 on th
39. requency shift Due to the irregular shape of the particles generally only a small part of the ultra sound energy is reflected back to the transmitter The remaining energy is scat tered or absorbed Reflection absorption and scattering are a continuous process prevailing in the whole water column This means that the signal becomes weaker and weaker while spreading through the water At a particular point the reflected energy is no longer sufficient to return to the transducer The range of use of the Doppler sensor is thus subject to natural limits These are defined above all by the transducer frequency and the amount of suspended matter 59 60 Fig 50 Transmission and reception of beams by the sensor sound pulse Sensor receives 5 SA ap 1 Sensor transmits y aa seed Lee c Scattered sound pulse 5 Wo 2 Particles 1 The sensor transmits a sound pulse 2 The particles reflect the sound pulse 3 The sensor receives the reflection and measures the frequency of the reflected pulse The sensor of the OTT Gliner 2 works with 1 MHz or 2 MHz transducers depending on configuration After transmitting the ultrasound pulse the sensor switches to receive and begins the evaluation of the returning echo signals While the sound spreads through the water each level creates its own echos In the end the signal reflections from all depths return together as a signal mixture to
40. s entered in Configuration General settings see Chapter 4 3 1 This folder can be called as follows Tap at upper left on the Windows logo and then on File Explorer In the GlinerData folder 2 files are generated per Site Name Site Name stands for the name entered by you in Site Name Site Name CFG settings of your Site Name Folder Site Name measurement data Verticals DAT processed averaged data RawVerticals DAT individual measurement results if selected at Confi guration General settings see Chapter 4 3 1 Site Name txt text file txt format of the measurement data if selected at Tools Convert file to Text see Chapter 4 3 3 8 2 Saving the data as a text file on the PDA You can convert the data saved for your Site Name to a text file txt format for further processing on the PC This file can be displayed with a standard text editor or imported into a spreadsheet How to create a text file Tap on Tools gt Convert file to Text in the menu bar Select the location Select the Site Name Confirm twice with OK The text file txt format is now saved in folder Site Name on the PDA Copy the file to your PC as described in Chapter 8 3 8 2 1 Content of the text file Date 01 01 2000 start Time 00 32 42 End Time 00 52 43 W Sensor SN software v 313 File Built in Storage QLinerData ILLER KEMPTEN OTT 2 Nverticals dat Made by MS units Metric cellsize 0 15 Blanking 0 05
41. ss Configuration gt General settings gt Use compass Enter the value calculated Settings gt Site name gt Line heading 57 58 Fig 48 ActiveSync on the PC Appendix B Installing the Gliner software on the PDA Hardware requirements current standard PC with USB interface Software requirements PC operating system Microsoft Windows XP or Microsoft Windows Vista ActiveSync on the CD ROM supplied Gliner CD ROM PDA operating system Windows Mobile 6 Classic Please note the Read me file for the software Put the Gliner CD ROM in your PC Make sure that ActiveSync is installed on your PC Open ActiveSync on your PC Connect the PDA and PC with the USB cable Switch on the PDA PC ActiveSync now displays an active connection between PDA and PC Click in ActiveSync on Browse Create a folder in ActiveSync for your Gliner PDA software e g in My Device Program Files Copy the file xx Gliner CAB from your PC to this directory xx indicates the language NL Dutch Flemish ES Spanish EN English FR French DE German PDA Click on the Windows logo at upper left and then in the Start menu on File Explorer Go to your newly created folder e g in My Device Program Files The program now installs automatically after tapping on the xx Gliner CAB file After installation the Gliner PDA software is ready for use in the Start menu under Programs Note Available updates can be found at www ott com in t
42. sure Cylindrical connector GH n Battery Hook and loop fastener 13 14 Suitable battery type Please only use the original OTT replacement part lead acid battery 4 Ah this contains a resettable fuse See Chapter 14 Battery life For continuous measurement at maximum performance the Gliner 2 can be operated for at least 12 hours Check the battery voltage as follows Establish a Bluetooth connection between Gliner 2 and PDA see Chapter 5 3 Tap on View Overview in the main window Battery battery voltage of the Gliner 2 Bluetooth transceiver and sensor Notes The battery can be charged several hundred times Where a noticeably lower capacity is noted after charging it is recommended that the battery is changed for a new one 4 2 Charging the PDA battery How to charge the battery see PDA operating instructions Fig 9 Main window 4 3 Making checking the basic settings for the Gliner PDA software After starting the software and establishing the Bluetooth connection see Chapter 5 3 the main window is displayed on your PDA Windows logo Drop down menu See Acre ECCE Vedesccddccebaccabondobancdesne Menu point Menu bar Screen keyboard The following settings have to be made in the software before beginning the measurement Input general basic settings Configuration gt General settings see Chapter 4 3 1 Input basic connection settings Confi
43. t 2 cables on plastic drums 30 m each and attachment elements 2 V shaped wires with 2 quickpins each 2 carabiners 30 m measuring tape CD ROM with Gliner PDA operating software Greview processing software ActiveSync and operating instructions for Qreview in pdf format Lead acid battery 12 V 4 Ah with charging unit Operating instructions for PDA Gliner 2 and Qreview software Transport case with accessories Fig 1 The OTT Gliner 2 system Catamaran with integrated Doppler current profiler and PDA for wireless control of the measurement and for receiving the measurement results 2 Introduction The OTT Qliner 2 system uses ultrasound to measure the water speed and depth of rivers and open waterways and in this way measures the discharge The Qliner 2 does not contain any mechanical moving parts that could be jammed or damaged during the measurement and can be operated from the edge or from a bridge The OTT Gliner 2 system consists of the following components OTT Qliner 2 catamaran in glass fiber reinforced plastic Integrated Doppler current profiler with 4 ultrasonic transducers 1 MHz or 2 MHz Integrated Bluetooth wireless data unit PDA Personal Digital Assistant with Qliner PDA software Qreview processing software Catamaran Integrated Doppler current profiler Underside of the Qliner 2 catamaran Fig 2 Measurement principle Division of a measurement cross section in
44. t angles to the direction of flow of the waterway The Gliner 2 always aligns itself in the direction of flow The compass provides the position of the Gliner 2 in relation to north The deviation of the Gliner 2 from the correct alignment of the verticals to the measurement cross section due to the flow conditions can be taken account of by the software in the calculation For this the position of the measurement cross section in relation to north must be entered in the software see Chapter 5 2 2 M E direction of flow Ay Alignment of Gliner 2 in Tati Direction of flow of water Line SS Left edge K Measurement NO cross section Right edge EU Deviation due to flow conditions Direction E flow of water Line UA Left edge a EE Measurement cross section Right edge LET How to specify the position of the measurement cross section Start the Gliner 2 as described in Chapters 4 and 5 Position the Gliner 2 at a point in the waterway where the flow is calm and appears to run at right angles to the measurement cross section Start the test mode see Chapter 6 1 In the main window read the number Heading The value for the position of the measurement cross section Line heading is calculated as follows CC heading of the Gliner 2 CC lt 270 line heading CC 90 CC gt 270 line heading CC 270 Activate the compa
45. tain measurement i e the file Site Name CFG and the connected folder Site Name Site Name stands for the name entered in Site Name Note Please note that the files Verticals DAT and RawVerticals DAT for the various mea surements have the same name in each location in the appropriate folder Site Name 8 4 Deleting the data from the PDA As described above establish a connection between your PDA and PC with ActiveSync Click in ActiveSync on Browse Select the location of the GlinerData folder as specified in Configuration gt General settings Now delete the copied and not required data in the ActiveSync window 8 5 Processing with OTT Qreview Extensive further and post processing of all data collected by the Gliner 2 is possi ble with the OTT Qreview Software which is supplied with the product Please read the operating instructions for the Qreview software 49 50 9 Error messages error correction Signal tones start of a measurement 10 seconds remaining for a measurement end of a measurement Warnings Connection failed Connect button with red background Failed measurement warning tone yellow background First depth measurement failed red background No data reception gt 4 seconds warning tone red background 9 1 Error correction with the Bluetooth connection Bluetooth connection not established The Bluetooth transceiver only establishes the connection with a previously defined Gliner 2 There
46. tection class Battery Type Voltage capacity Operating time Catamaran hull Material Dimensions L x W x H Weight Environmental conditions for use Water temperature Operating temperature Qliner 2 system Storage temperature Qliner 2 system Shock and vibration resistance Protection class Catamaran Screw closure 1 Dependent on waterway characteristics 21 Operating system Microsoft Windows 1 0 MHz 2 0 MHz 20 m 10m 0 3 4m 0 1 2m 0 2m 0 05 m 1 20 m 0 35 m 40 5 m s 10 m s 1 of the measured value 40 5 cm s 1 Hz 4 40 C 0 1 C 0 01 C Windows Mobile Planning measurement data transmis sion data conversion in ASCII formot online measurement operation and data visualization data processing saving export 2 4 GHz Bluetooth Class 1 in the longitudinal axis of the Qliner 2 50 70m in the transverse axis of the Gliner 2 100 200 m Trimble amp Nomad with retrofitted Bluetooth antenna IP 65 lead acid battery 4 Ah 12 VDC typically 1 day use in the field glass fiber 957 mm x 482 mm x 255 mm approx 11 5 kg including battery 0 C 40 C 10 C 60 C 20 C 70 C DIN ISO 2206 DIN ISO 2248 IP 68 submersion depth max 25 cm submersion duration continuous IP 67 14 Order numbers OTT Qliner2 mobile discharge measurement system Accessories Spare parts with Trimble Nomad PDA Version R 1 with integrated Doppler current profiler
47. the transducer In order to be able to allocate the individual reflections spatially the sensor works with so called time slots Assuming a constant speed of spread of the sound in the water the time required for an echo from a given distance to be reflected from particle to transducer can be calculated in advance With this method it is possible to allocate incoming signal echos to fixed areas measur ing cells The time necessary for transducer vibrations to die away between transmission and reception processes means that there is a minimum range within which the signals can not be evaluated This is known as blanking distance of transducer to start of the first measuring cell Its size is dependent on the transducer frequency Fig 51 Division of the measurement cross section into vertical verticals and horizontal levels cells Appendix D Discharge measurement General Discharge is defined here as the water volume from a drainage area that flows through the discharge cross section in the time unit It is normally given in m3 s or s and is the product of the average cross section velocity and the discharge cross section flowed through OTT Gliner 2 discharge measurement The discharge measurement is carried out with the OTT Qliner 2 using the classic verticals process With this method the cross section of the discharge is divided into numerous verticals having regard for the geometry of the waterway The number and positi
48. tion 5 gravel sand loose earth river bed rough rubble work paved slopes 6 irregular sand 7 regular sand concrete 8 choose between metric meter and cubic meter or USGS foot and cubic foot system Note After changing the unit of measurement it is recommeded that the program is restarted to ensure that the changes take effect in all calculations and all display options set automatically after the connection is made with the catamaran takes beam 3 into account for calculation Note The values themselves are constantly displayed takes account of the measured deviation of the Qliner 2 to the correct alignment of the verticals to the measure ment cross section in the calculation If deactivated the direction of flow is taken as being at right angles to the cross section see Appendix A Compass Save your entries with OK or discard them with Cancel You return automatically to the main window 17 Fig 11 Configuration Communication 18 4 3 2 Basic settings for the Bluetooth connection Tap in the main window on menu point Configuration Communication Note These parameters are saved even after switching the PDA off and on and there fore do not have to be reset for each measurement lot mer 4 3 51 Serial port COM2 X Baudrate 9600 X Timeout Serial port The port to be used by the integrated Bluetooth module in the Trimble Nomad PDA is selected here COM3 Do not chan
49. to vertical levels with measuring cells 2 1 Measurement principle The discharge measurement is carried out with the OTT Qliner 2 using the classic verticals process With this method the cross section of the flow is divided into numerous verticals having regard for the geometry of the waterway At each of these the OTT Gliner 2 measures the water depth and the vertical velocity distrib ution The data obtained are then used in a mathematical process to calculate the average flow velocity of a vertical and the partial discharge of a discharge seg ment defined in accordance with EN ISO 748 mid section method The complete discharge is calculated as the sum of all partial discharges after completing the measurement of all verticals The position and number of the verticals size of the cells to be measured measurement duration and further parameters are entered into the operating software of the PDA by the user The OTT Qliner 2 is positioned at the vertical to be measured with the help of the cable guides and the measure ment started on the PDA The communication between the PDA and the electronics of the OTT Qliner 2 is via a wireless Bluetooth radio connection All measured data are transmitted in real time via this route processed on the PDA and stored After the end of the measurement the data can be transferred to a desktop PC and processed further there using the OTT Qreview software Discharge segment 2 2 Compon
50. transducer frequency 1 MHz Version R 2 with integrated Doppler current profiler transducer frequency 2 MHz Battery Powerfit with cable for Qliner 2 with integrated 3 A fuse Replacement battery 5200 mAh 3 8 V for Trimble Nomad PDA Deluxe carrying bag with belt for Trimble Nomad PDA Hand loop for Trimble Nomad PDA Stylus for Trimble Nomad PDA USB cable type A to Mini B 1 8 m Braided cord 4 mm length 30 m Spring hook 55 x 30 x 6 mm Plastic drum Glass fiber measuring tape Weight 2 x 600 g Hook for OTT middle piece Charging unit for Qliner 2 battery Screw closure for Qliner 2 catamaran PDA Trimble Nomad incl Bluetooth module and antenna AC adapter 100 240 V European for Trimble Nomad PDA 2 4 GHz 78 mm antenna for Trimble Nomad PDA Transport case with insert 22 405 001 2 0 22 405 011 9 2 97 820 018 9 5 99 960 005 9 5 99 960 006 9 5 99 960 007 9 5 97 120 388 9 5 99 000 056 9 5 99 000 103 9 5 99 320 001 9 5 99 960 004 9 5 22 405 013 4 2 22 405 010 9 2 97 850 031 9 5 22 405 416 9 5 22 405 012 9 2 97 850 032 9 5 upon request 22 405 411 9 5 55 56 Fig 46 Idealized measuring situation Fig 47 Deviations due to the flow con ditions are taken account of in the calcula tion when the compass has been activated Appendix A Compass Method of operation of the compass Ideally the measurement cross section is at righ
51. using a simulated calculation On opening the page the values of the Site Name are entered The fields with a white back ground can be changed see Fig 12 Convert file to text Converts the data saved for your Site Name to a text file txt format for further processing on the PC see Chapter 8 2 View last Testreport calls the data for the test measurement for your current Site Name location By tapping on the yellow question mark in the menu bar you can see information and the version number of your Gliner PDA software Close software The Qliner PDA software remains active in the background even when you call or use other programs At any time you can return to the current measurement via Windows logo gt Start menu gt Gliner V3 How to close the Gliner PDA software Tap on File End in the menu bar Confirm the question Exit Gliner program with OK to close the software 19 20 Fig 13 Example of a discharge measurement from the edge 5 Measurement preparations on location 5 1 Preparing the Gliner 2 for measurement Define the number and position of the verticals on the basis of the geometry of the flow cross section Use the measuring tape supplied to measure the distance of the verticals from the reference point on the edge and mark the vertical positions in a suitable way e g color marking on bridge railings or on the guide cable 5 1 1 Measuring from the edge In small waterways you can positio
52. where measurement was made SSI 1 S signal strength SI beam 1 2 beam 2 S3 beam 3 01 cell where measurement was made Vx3 1 Vx3 velocity measured by beam 3 01 cell where measurement was made right column Depth distance from center point of the cell to the water surface MeanV average velocity STD standard deviation Fig 45 Beams from the Qliner 2 Waterline Rc a Immersion depth 20 Sound pulse 3 Sound pulse 2 Sound pulse 1 Sound pulse 4 Beams 1 and 2 calculate the velocity and are used as an alternative to the depth measurement Beam 3 measures the velocity in the area near the surface one dimensional Beam 4 measures the depth 8 3 Transferring the data from PDA to PC Hardware requirements current standard PC with USB interface Software requirements PC operating system Microsoft Windows XP or Microsoft Windows Vista ActiveSync on the CD ROM supplied PDA operating system Windows Mobile 6 Classic Make sure that ActiveSync is installed on your PC Open ActiveSync on your PC Connect PDA and PC with a USB cable Switch on the PDA ActiveSync now displays an active connection between PDA and PC Click in ActiveSync on Browse Select the location of the GlinerData folder as specified in Configuration General settings Now copy the measurement data to your PC using ActiveSync Either select the whole folder GlinerData or only a cer
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