WaveGuide - Water Level User Manual
Contents
1. OK System Info Waveguide Server Version _ Software Version Waveguide Server Status Last Reboot Current Time Plots Served Sensor Version Sensor Type Version radcan Radcan Sensor Status Sensor Communication Temp Measurements Invalids radcan OK 25 0 10492 3 Figure 3 4 System information In the same table the ratio between the number of performed and invalid measurements gives an indication of the system performance When the system is setup in a correct man ner the number of invalid measurements should be below 10 of the number of performed measurements However during the startup and communication initiation processes the number of invalid measurements can grow to over 1000 temporarily increasing the ra tio between invalid measurements and performed measurements After the initial invalid measurements the increase in the number of invalid measurements will be very limited 13 Step 5 2 Check the raw radar data The reflection diagram for the radar sensor can be accessed via the Sensor Raw Data link by selecting Radcan and clicking on the Request button Fig 3 5 A reflection diagram is a graphic representation of a 25 ms scan where the signal strength dB is plotted against the measured distance m A scan consists of one up sweep increas ing frequency red curve a2. maximum radiation of 0 1 mW is generated 24 64 VDC and 6 Watt when powered separately from server Environmental conditions Ambient temperature Relative humidity Ingress protection 40 to 60 C 0 100 IP67 WaveGuide server Dimensions Computer boards Processor COM ports Network Power req GENE Power req TITAN Operating temperature Cooling Display Memory Protection class IP67 GENE 19 x 19 x 18 cm width height and depth IP67 TITAN 19 x 19 x 13 cm width height and depth 19 GENE 48 x 9 x 28 cm width height and depth 19 TITAN 48 x 9 x 21 cm width height and depth AAEON GENE TCO05 Eurotech TITAN Intel AtomTM E620T 600MHz GENE Marvell XScale PXA270 RISC 520MHz TITAN 1 x RS485 used to connect the radar 3 x RS232 Ethernet 24 36 VDC and 12 Watt 9 36 VDC and 6 Watt 24 36 VDC and 8 Watt 9 36 VDC and 2 Watt 40 to 85 C No fan required 2 x 20 characters On board flash IP67 optional if radar is powered via server if radar is powered separately if radar is powered via server if radar is powered separately 21 General system specifications Sampling rate 2 56 Hz Measurement range 2 75 m Water level accuracy lt 1 cm Product number WG HT19 SS for a 19 rack server and a stainless steel radar enclosure WG HT67 SS for a IP67 server and a stainless steel radar enclosure 22
3. G RADAC level tide and wave monitoring WaveGuide Water Level User Manual WaveGuide Water Level User Manual Applicable for product no WG WL67 SS WG WL19 SS Version 3 1 17tb of Mar 2015 Ce Radac B V S RADAC Elektronicaweg 16b level tide and wave monitoring 2628 XG Delft The Netherlands tel 31 0 15 890 3203 e mail info radac nl website www radac nl Preface This user manual and technical documentation is intended for engineers and technicians involved in the software and hardware setup of the WaveGuide Water Level system Note All connections to the instrument must be made with shielded cables with exception of the mains The shielding must be grounded in the cable gland or in the terminal compartment on both ends of the cable For more information regarding wiring and cable specifications please refer to Chapter 2 Legal aspects The mechanical and electrical installation shall only be carried out by trained personnel with knowledge of the local requirements and regulations The information in this installation guide is the copyright property of Radac BV Radac BV disclaims any responsibility for personal injury or damage to equipment caused by e Deviation from any of the prescribed procedures e Execution of activities that are not prescribed e Neglect of the general safety precautions for handling tools and use of electricity The contents descriptions and specifications in th
4. away from the structure it is mounted on E o z 5 0 18 m Figure 1 1 The 5 deg half top angle of the F08 antenna beam eee Reference f level gt 219 mm Figure 1 2 The reference level for mounting height measure ment 1 3 Installation To facilitate the mounting of the WaveGuide radar an op tional mounting plate is available upon request Part no WG MP SS Figure 1 3 shows a sketch of the optional mounting plate and its dimensions The mounting plate can be fixed to two horizontal beams Fig 1 4 The length of the beams must take into account the minimum horizontal distance between the WaveGuide radar and any obstacles in the path of the radar signal as explained in the radar positioning criteria The outside diameter of the WaveGuide radar cylinder is 219 mm and the total height of the radar is 253 mm The radar cylinder has a flange 265 mm diameter that con tains 4 mounting holes each having a diameter of 11 mm It is advised to mount the horizontal beams first Then to attach the mounting plate to the horizontal beams and fi nally to mount the WaveGuide radar to the mounting plate The optional mounting plate has 4 threaded mounting holes M10 thread for mounting the WaveGuide radar to the mounting plate Upon request Radac can supply an optional frame Part
5. ce To access the web interface type the IP address indicated on the LCD display e g http 192 168 111 71 in the ad dress line of your Internet browser Note that your computer must be on the same IP address subnet as the WaveGuide server that you are trying to connect to Link Description Measurements Measured data plots Parameters Calculated parameter plots Spectra Not applicable for Water Level systems Data logger Access to optional data logger files Sensor raw data Preview of raw data required for data processing routines Configure Sensor For defining the sensor configuration and mounting height Subscriptions Settings for data distribution Configure Network Allows the user to change the network settings Set Date Time WaveGuide server date and time settings Expert Mode Allows for editing more settings System Info System state overview Table 3 1 Description of server links 10 Step 2 Become an authorized user To modify the WaveGuide system configuration you need to be an authorized user There fore an authorization dialogue will appear when the user tries to change a configuration item The authorization will become invalid after 5 minutes of inactivity However the web browser may store the login name and password In that case the authorization data will be submitted automatically by the browser without a pop up dialog The default login name and password are both radac After successful au
6. ch a connector allows a USB storage device to be easily mounted to the WaveGuide server for easy data logging But without taking additional precautions USB storage is not a safe method for archiving data Since power failures can damage USB devices it is advised to use an Uninterrupted Power Supply UPS together with a high quality USB device The WaveGuide server supports FAT32 Ext2 and Ext3 formats The majority of USB devices are delivered with FAT32 format Note The USB device used must not be formatted using NTFS 18 A USB drive must be manually mounted when first used and will be automatically re mounted on system reboot Mounting a USB drive can be done via the push buttons on the front panel of the WaveGuide server Using button 1 scroll to the storage menu If the message Disk not mounted is displayed click button 2 If the message Mount USB disk OK is displayed Click button 5 to mount the device To unmount or remove the disk safely use button 1 to scroll to the storage menu Then click button 2 to arrive at the Safely remove OK option Then Click button 5 to unmount the device The Data Logger page in the web user interface Fig 4 1 gives access to the stored data Also the data can be transferred easily to other computers using an FTP application Login name and password for FTP file transfers are the same as the user name and password for modifying settings by default both user name a
7. cient one twisted pair and a signal ground wire In the case that a separate power supply is used to power the radar then the server can be supplied with a power supply of 9 36 VDC Power Supply Server Side Junction e Kae Sensor Side l Box L a Shielding 1 1 2 2 3 3 Figure 2 3 Diagram showing connection between the WaveGuide server and radar when radar is powered seperatly from server Server Side Sensor Side Shielding WNE WNE I 0 Figure 2 4 Diagram showing connection between the WaveGuide server and radar when radar is powered by server Chapter 3 WaveGuide system commissioning With all the wiring in place as described in the previous chapter the server can be configured using the following steps explained in the current chapter 1 Connect the WaveGuide server to a computer Become an authorized user Enable expert mode Set radar sensor parameters 2 3 4 5 Perform a system check 6 Set system date time 7 Configure the distribution of data The display on the server shows system information and measured parameters and is con trolled using e Button 1 To switch between groups e Button 2 To switch between items within each group e Button 5 To confirm mounting and unmounting of USB data storage The server display contains the following groups and items e Parameters Scrolls through select
8. e server For more information regarding such an adjustment please contact Radac 15 Step 7 Configure the distribution of data The WaveGuide server can transmit measured and calculated data via its serial ports COM2 and COM3 and via its network link to several network addresses In the Sub scriptions page Fig 3 7 the existing subscriptions can be removed or modified and new ones can be added Simultaneous subscriptions are possible List of subscriptions remove new Address Protocol Sensor edit COM2 115200 8 1 NONE NONE Radac wob heave Hm0 Hmax Address Protocol Sensor edit 192 168 8 21 3456 Radac wob Hm0 Hmax Figure 3 7 Example list of defined subscriptions The address for a serial port subscription should have the following format port baud rate number of data bits number of stop bits parity handshake For example COM2 9600 7 1 EVEN NONE If the address string is not complete the default values will be used For example COM2 9600 will be interpreted as COM2 9600 8 1 NONE NONE The format for a network port address is http ip address port For example http 192 168 111 103 8032 The format of the output string can be chosen from the drop down menu Four message format options are available Radac default KMA SESAM and FGTI After modifying or creating a new subscription click the update button and authorize the changes This will change and store the settin
9. ed parameters Appendix 1 Table 1 e Network Host name IP address e System information Date and time Uptime Software version e USB storage only appears when USB device is connected State Mount USB disk Unmount USB disk Step 1 Connect the WaveGuide server to a computer Once the WaveGuide server is connected to a Local Area Network communication with the WaveGuide server can be done via the available web interface Fig 3 1 For this purpose any web browser with JavaScript enabled can be used Welcome to WaveGuide Server Please select an option from the menu on the left Figure 3 1 The web interface of the WaveGuide server Note A computer can be connected to the WaveGuide server directly using a network cable a crossover cable is not required By default during startup the WaveGuide server tries to obtain an IP address by searching the Local Area Network for a DHCP server If a DHCP server is not found the WaveGuide server will use the default IP address 192 168 111 71 When the WaveGuide server completes the startup process its IP address can be found via the LCD display it can take up to 10 minutes for the IP address to appear To view the IP address scroll through the menu using button 1 until network information is displayed and then use button 2 to switch between displaying the Host Name and the IP address The default IP address can be modified via the web interfa
10. gs and implement the subscription no system reboot is required Radac message format The Radac format starts a new line for each parameter in the subscription The time used in the Radac format is Unix Epoch time in milliseconds UTC time in milliseconds since 00 00 00 on the 1 of January 1970 Each line in the Radac format starts with a Carriage Return character char13 and ends with a Line Feed character char10 When a parameter is disapproved or not available the string NaN is inserted instead of the actual value NaN stands for Not a Number An example of the output strings in the Radac format is time 1157359800206 sensor radcan H1 319 9429cm time 1157359259847 sensor radcan Hm0 1 2517135cm time 1157359860268 sensor radcan H1 NaNcm 16 KMA message format Modifications can be made upon request For example the Korean Meteorological Admin istration KMA format preferred a readable time format in the Korean time zone An example of the output strings in the KMA format is time 2006 09 04 17 58 00 H1 319 70026cm time 2006 09 04 17 48 59 Hm0 1 3314528cm time 2006 09 04 17 59 00 H1 NaNcm SESAM message format The SESAM format used by the Dutch Ministry of Infrastructure and the Environment Rijkswaterstaat is only defined for the heave and the 10 second mean H parameter It consists of 8 character lines Line Feed character status character sign character 4 character value in cm Carriage Return characte
11. ipe diameter Sensor Settings Configure Radar Sensor radcan Y edit Sensor Type Radcan Connection Settings dev tty 115200 8 1 NONE NONE Name radcan Sample rate Hz 2 56 Y Sweep size 512 Mounting height cm 0 0 Antenna offset cm 0 0 letwork Angle with vertical deg 0 0 Range Maximum cm 4000 Range Minimum cm 200 Signal Minimum dB 20 reset submit Figure 3 3 The configure sensor page will display a sensor drop down menu Choose radcan and click edit this will display the configuration page for the radar sensor The Mounting height is defined as the height of a radar above the reference water level n cm The reference point for measuring the height of each radar sensor is the lower side of the radar case see Fig 1 2 By default the mounting height is set to zero cm The tilt angle of the WaveGuide radar or the Angle with vertical is measured in deg and by default is set to zero deg The Range Maximum is the maximum distance in meters at which the radar will detect the water level It is advised but not necessary to set this parameter to a value lower than two times the distance from the radar to the lowest expected water level This is to avoid detecting multiple echoes of the same measurement sweep The Range Minimum is the minimum distance in meters at which the radar will detect the water level This parameter is used to avoid spurious measu
12. is installation guide are subject to change without notice Radac BV accepts no responsibility for any errors that may appear in this installation guide Additional information Please do not hesitate to contact Radac or its representative if you require additional information Contents Preface Introduction 1 1 Radar positioning and installation 3 LA Safety not s 22 eco eos degen ca er a ee a ea eda 3 122 Positioning m gr a so a en AE A IA Ders 4 1 3 Installation 4 as gos dad a a a a hans 5 2 Wiring 6 2 1 WaveGuide radar zz ar A ae a A a a 6 2 2 WaveGuide Server tonto mpe are Gl hen GA ee ne 7 2 3 Separate radar power supply e 8 3 WaveGuide system commissioning 9 Step 1 Connect the WaveGuide server toa computer 10 Step 2 Become an authorized user o oo a a a 11 Step 3 Enable expert mode 2 22 2 CE EEE nn 11 Step 4 Set sensor parameters 12 Step 5 Perform a system check 2 2 2 2 En nn nn 13 Step 6 Set system date and time Comm nn nn 15 Step 7 Configure the distribution of data 0 02008 16 4 Using the system 18 4 1 Calculated parameters 2 Con nn 18 4 2 Data OBC S un Dar a bi eile hs eat hea PE ta 18 Appendix 1 System parameters 20 Appendix 2 System specifications 21 Introduction The WaveGuide Water Level system is a highly accurate water and tide level gauge which is compact robust and easy to install The WaveGuide Water Level s
13. must have basic technical skills to be able to safely install the equipment When the WaveGuide system is installed in a hazardous area the personnel must work in accordance with the local requirements for electrical equipment in hazardous areas 1 2 Positioning For obtaining the best results from a WaveGuide Water Level system a number of radar positioning criteria must be taken into account e It is advised to choose a mounting position such that the WaveGuide radar beam is free of large reflecting obstacles the beam of the F08 antenna can be approximated to a conical shape having a 5 deg half top angle as shown in Fig 1 1 The minimum horizontal distance between a radar and any obstacle in the beam s path should be at least 10 of the vertical distance between the radar and the obstacle This does not only include horizontal objects in the beam s path but also vertical structures e Any structure that the WaveGuide radar is mounted to might have some influence on the water flow around it Hence it is advised to mount the radar at a position facing the mean flow direction so that the radar can measure the least disturbed water surface e The reference level for the mounting height of the radar is shown in Fig 1 2 e A vertically mounted radar 0 deg tilt angle results in optimal performance But if necessary the WaveGuide radar can be mounted with a maximum tilt angle of 15 deg tilted to face the direction
14. nd one down sweep decreasing frequency blue curve It is normal to have several peaks in a reflection diagram as shown in Fig 3 5 Those peaks do not affect the performance of the system and are caused by the multiple signal reflections between the radar the water surface and any objects within the radar s foot print Retrieve Raw Sensor Data Retrieve Raw Sensor Data Sensor Auto range Request Sensor radcan Fri Jan 23 09 35 09 GMT 2015 intensity dB 3 Figure 3 5 The Sensor Raw Data page and the reflection diagram of the radar sensor Based on a one minute history of measured water level the WaveGuide system calculates an expected minimum and maximum water level for the next measurement The values for the expected minimum and maximum levels are shown on the reflection diagram using vertical green lines A horizontal green line shows the minimum expected reflection strength the value set as the Signal Minimum dB parameter The three green lines together form a region of acceptable values for the current measure ment and any values outside of it are ignored The highest peak in the region bounded by the green lines is considered to represent the distance to the water surface The region of acceptable values is automatically updated when persistent reflections occur outside this region Step 5 3 Check measurements On the Measurements page the data measured during the last 1 3 or 10 minu
15. nd password are radac Data Logger Data directory Disk mounted 4992 MB free safely remove Figure 4 1 Data logger page The folder structure used is one directory per system In this directory sub directories are created that contain the raw data and parameter files one file per day per parameter If the drive is full a delete mechanism starts This allows the system to store the most recent parameters at the expense of the oldest data 19 Appendix 1 System parameters Table 1 describes all the parameters measured and calculated by the WaveGuide Water Level system Name Description Unit heave Instantaneous water level raw data at 2 or 2 56 Hz cm Ngd_zP Percentage of data points that do not contain error code before pre processing H Average height over last 10 seconds cm Hl Average height over last 1 minute cm H5 Average height over last 5 minutes cm H10 Average height over last 10 minutes cm Hm0 4 x the standard deviation of water level during lats 20 minutes cm Table 1 Default parameters 20 Appendix 2 System specifications WaveGuide radar Mechanical Dimensions Weight Casing material Electrical Radar frequency Modulation Emission Power requirements 26 5 x 25 3 cm diameter height 12 kg Stainless Steel 9 9 10 2 GHz Triangular FMCW The emitted microwave energy is far below acceptable limits for exposure of the human body Depending on the type of antenna a
16. no WG MH SS that allows for mounting the WaveGuide radar and mounting plate at angles 0 5 10 15 and 20 deg away from vertical see Fig 1 5 The radar mounting plate Part no WG MP SS is included with this frame as well as brackets to allow mounting the frame to a handrail y 25 mm 8 mm zT ant NIN W N N P N N A JoJo Mmo 3133 thread IDA a y D15_lo mm 340 mm Figure 1 3 Optional mounting plate for the WaveGuide radar Part no WG MP SS 290 mm o o N N o 3 3 o 915 o mm r r Z Yl Figure 1 4 Top view of the hori zontal mounting beams c oo ETA Figure 1 5 Optional frame that al lows mounting of the WaveGuide radar at different angles Part no WG MH SS Chapter 2 Wiring 2 1 WaveGuide radar A cable gland IP68 10bar and IP69K certified is supplied with each WaveGuide radar for use on the terminal com partment as a watertight cable entry point The supplied gland allows the installation of non armoured elastomer and plastic insulated cables from 8 to 15 mm in diameter In the terminal compartment there is a five pole connector as shown in Fig 2 1 This connector is used to connect the RS485 data wires poles labeled 1 2 and 3 and supply power to the radar poles labeled and The length of the cable used to connect the WaveGuide 3 radar to the WaveGuide server can n
17. ot exceed 1200 m RS 485 7 The cable used must be shielded and the shielding must be Figure 2 1 Terminal compartment connected to ground at both ends of the cable Since there And connections can be a potential difference between the ground at the radar and the ground at the server a capacitor 10 to 100 nF should be used on one side of the cable between its shield and the ground The cable used must contain at least one twisted pair of wires for use with the RS485 data signal poles labeled 1 and 2 In addition the cable must contain one wire for the signal ground pole labeled 3 and two wires for supplying power from the WaveGuide server to the WaveGuide radar poles labeled and Warning Improper installation of the cable gland will invalidate the IP67 approval of the WaveGuide radar Warning Safety depends on proper grounding Check the resistance of the ground connection directly after installation The measured ground resistance shall be below the maximum prescribed by local grounding requirements 2 2 WaveGuide server For ease of use the connector poles common between the WaveGuide server and radar are marked using the same labeling symbols LAN Service Serial Output SS COM 1 COM 2 COM 3 a UD ww COM1 COM2 COM 3 BEI IT 2 2 378 240 242 FIE 1234 LM E 2 Waveguide m Service Serial Output Radar A Shielding and ground Figure 2 2 Connector panel on the WaveGuide se
18. r For a regular message the status character is a space If an error occurs the status character becomes a letter A An example of the output strings in the RWS format is 0001 0004 A 9999 17 Chapter 4 Using the system 4 1 Calculated parameters Once the system is commissioned the facilities of raw data presentation reflection diagram system info etc can be used to monitor the proper operation of the system The instantaneous water level information is available in the form of heave Which can be found on both the Measurements page of the systems web interface and the physical user interface Average water level is calculated by averaging the radars measurements over periods of 10 sec 1 5 or 10 min parameters H H1 H5 and H10 consecutively A representation of the water level variation is available in the form of the parameter Hm0 which is the standard deviation of the heave measurements over a 20 minutes period All parameters that are calculated over a time period get a time stamp that is in the center of the time period used to calculate them The calculated parameters can be viewed on both the Parameters page of the systems web interface and the physical user interface The selection of parameters that are displayed on the user interface can be modified by Radac upon request 4 2 Data logging When ordering a WaveGuide system it is possible to request an optional USB connector on the server side Su
19. rements and should be set depending on the installation location If there are any nearby surfaces that can reflect the radar signal the Range Minimum should be set to a value higher than the distance to those reflecting surfaces The Range Minimum parameter must not be lower than 2 0 m to avoid interference with the internal reflection in the radar antenna The Signal Minimum is the lower limit for the signal power that will be considered in water level measurements This parameter should be set to 20 dB in the case of a vertically mounted radar and set to 5 dB in the case of a tilted radar Rebooting the system is required after changing the radar sensor parameters for the changes to take effect The reflection diagram of the radar should be checked to ensure that the water level measurement is within the defined limits More information can be found in Step 5 2 Check the raw sensor data 12 Step 5 Perform a system check This section explains how to inspect the quality of measurements after configuring and rebooting the WaveGuide server the start up process can take up to 5 minutes Step 5 1 Check the system Info page The bottom most table on the system info page displays the radar status as shown in Fig 3 4 The communication status INIT indicates that the WaveGuide server is initiating the communication data stream from the WaveGuide radar Once a communication process is initiated the displayed status becomes
20. rver In addition to the connectors used for connecting the WaveGuide radar the connector panel of the WaveGuide server includes the following connectors e COM1 Reserved service port e COM2 Serial port for data output via a RS 232 connection e COMB Serial port for data output via a RS 232 connection e LAN port Ethernet access to the server Note Each COM port is connected in parallel to both the DE 9 connector and the terminal block connector Hence only one of the two types of connectors needs to be used per COM port When the radar is powered through the server then the power supply for the server must be 24 36 VDC Please do take care of the voltage drop due to wire resistance between the server and the radar The power supply to the WaveGuide radar is controlled by the power switch on the WaveGuide server 2 3 Separate radar power supply In some cases it is more convenient to use a separate power supply to power the WaveGuide radar as shown in Fig 2 3 rather than supplying it with power from the server side as shown in Fig 2 4 In that case a 24 64 VDC power supply can be used on the WaveGuide radar side to supply it with 6 Watt of power If a separate power supply is used for the WaveGuide radar then the cable used to connect the WaveGuide server to the WaveGuide radar does not need the extra two wires for power In that case three wires in the cable between the WaveGuide server and radar will be suffi
21. tes can be viewed Please inspect the available graphs to visually confirm measured heave data 14 Step 6 Set system date and time Some customers choose to use their own facilities to log the time at which data points are collected However for the highest level of accuracy the WaveGuide server is capable of adding time stamps to measured data points The current date and time can be set using the Set Date Time page Fig 3 6 The date and time are kept by an on board clock with battery back up Please be aware that such on board clocks are not very accurate and can drift over the years while the system is used If the system is connected to a network and has access to the Internet then it will automat ically synchronize the time and date with an Internet time server It is advised to set the initial date and time as accurately as possible Because the automated time adjustment uses small incremental steps As a result it can take a considerable amount of time to correct a large time difference After changing the system time or date the WaveGuide server must be rebooted Set Date Time GMT Date 23 v 1 v 2015 y Time 10 v 11 v 3 v reset update Figure 3 6 Setting the system time and date If the WaveGuide system is not connected to the Internet but instead connected to a local network that includes a time server then the WaveGuide server can be adjusted to synchronize time and date with the local tim
22. thorization the changed settings will be stored and a reboot dialog will appear The settings will not be effective until the WaveGuide server is rebooted Step 3 Enable expert mode For some settings extra caution is required as changing them can can lead to system mal functioning Such settings are hidden from the regular menus and can be accessed by enabling the expert mode The expert mode can be enabled by clicking the enable button on the Expert Mode page This will cause an authorization dialog to appear please refer to Step 2 for informa tion about authorization After a successful authorization process a list is displayed that indicates that the Expert mode is enabled Fig 3 2 Expert configuration Expert configuration Expert mode disabled enable Expert mode enabled disable Manage config files ok Manage updates OK Set time zone ox Configure Logger OK Configure plotting OK Configure LCD ok _Get login prompt Reboot Figure 3 2 The Expert Mode link displays the expert mode Enable button Enabling the expert mode requires authorization 11 Step 4 Set sensor parameters The Configure Sensor link will display a sensor drop down menu Choose radcan and click the edit button this will display the configuration page for the radar sensor Fig 3 3 Note For normal operation do not change the sensor Name Sample rate Sweep size Antenna offset or Stilling well p
23. ystem consists of e A WaveGuide radar mounted above water level e A WaveGuide server installed in a control room or a terminal box The WaveGuide radar is a low power X band radar that measures the distance between the water surface and the radar antenna with an accuracy of lt 1 cm The resulting information is passed to the WaveGuide server for processing and analysis The WaveGuide server collects the measured data from the WaveGuide radar unit performs the necessary data analysis and provides water level and tide information on both a physical user interface and a web based interface The WaveGuide server also facilitates data storage and data broadcasting Warning Do not use the instrument for anything else than its intended purpose This manual consists of 4 chapters Chapter 1 specifies the radar positioning criteria for optimal measurement quality Chapter 2 illustrates the mounting and installation procedure Chapter 3 describes the commissioning of the system via the user interface Chapter 4 explains data processing data presentation and data distribution within the system Please refer to Appendix 1 for a list of measured and calculated parameters And to Appendix 2 for specifications information about certification and environmental conditions applicable to the WaveGuide Water Level system Chapter 1 Radar positioning and installation 1 1 Safety notes The personnel installing the WaveGuide system
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