Gutermann Technology ZS820915AL2 Wireless Transceiver for data collection User Manual ZONESCAN NET Manual 2 1 Rev3 en

Gutermann Technology GmbH Wireless Transceiver for data collection ZONESCAN NET Manual 2 1 Rev3 en

Contents

user manual II

38 I 72 Note! The sound files are only playable when the Measurement Period is in daily mode and not averaging mode You can type any comment which will show in the comment line next to the logger. Make sure the Apply button is clicked to save the comment. Figure 40: Comment Window This opens up a picture of the installed logger onsite. For this facility to be fully operational a photo must be taken during the logger installation using the PDA (Personal Digital Assistant) and ZONESCAN Mobile installation tool. The Create a Logger Noise Report allows one to choose the options in the window below before creating a report. • Click Open and a separate window will open which then can be sent to print Comment Picture Logger Noise Report
39 I 72 Figure 41: Create a Logger Noise Report A separate window will open through the internet browser showing the included options chosen. • Press the print button to send the report to a printer or PDF file
40 I 72 Figure 42: The Logger Noise Report
41 I 72 Figure 43: The Logger Noise Report – cont. The Export to CSV (Comma-separated values) will download the Loggers Leak Score into CSV file format and automatically open Excel with the data. Figure 44: Create a Measurement Report Export to CSV
42 I 72 The Manual Correlation opens a separate window and allows the user to pick any two loggers in the project to correlate between. Figure 45: Manual Correlation Window • Use the drop-down arrows in the Loggers’ section to select your chosen Logger 1 and 2 or alternatively select logger 1 by clicking on the Map and Logger 2 by pressing CTRL and click on the Logger 2 Figure 46: Selecting the Loggers • Use the Measurement Period Average. Mode drop-down to select either daily, Last 5 days and last 30 days. Select the measurement date via the arrows or calendar Manual Correlation
43 I 72 Figure 47: Selecting the Measurement Period Note! Filters are a very important part of correlation, it’s recommended that the Filter On is left ticked as it keeps the correlation clean and helps remove unwanted noise • The Filter from: is the low filter cut off and Filter to: is the high filter cut off, click and hold either slider to increase or decrease the filter to improve the correlation quality and graph. Filter once the true pipe information has been entered as this gives a better result Figure 48: Selecting the Filter Figure 51 is the section where the pipe data is entered for the correlation to give a true result. If no pipe data is entered then the correlation result will be displayed in survey mode; a distance over 600m. • If the pipe data is known then select Manual Pipe Setup to enter the distance between the loggers, the pipe diameter and material type. If the distance between the correlated loggers is unknown then use Start Pipe Wizard to draw the pipe
44 I 72 Figure 49: Entering Data Pipe • In the Manual Pipe Setup window click Add Segment to enter the Length, Material and Diameter. When all segments are entered click Save Figure 50: Manual Pipe Setup • There is also a Pipe Wizard available, refer to 3.2.3 Entering Pipe Data with Pipe Wizard Once the Pipe Setup and Filtering is complete the Manual Correlation Dashboard window will look similar to the screen below. In this example a 70% correlation was achieved and the leak position is depicted by an orange dot on the map and the diagram between the cross correlation graph and the map. • Use the signal spectrum as a guide to position the filters, in the example below there is a concentration of sound between 300 and 400 Hz so this must be included
45 I 72 Figure 51: Manual Correlation Result • If the Pipe information is incorrect then simply click the Delete Pipe and repeat the Manual Correlation steps
46 I 72 4 Print Menu Figure 52: Print Menu The print section has four options which include print Leak Detection Report, Correlation Report, Measurement Report and the Map. The Leak Detection Report includes the Leak Scores, Correlations and Map for the chosen date. A window will appear which gives the user the option to remove correlations, Logger Noise or Map before printing. Figure 53: Print Report Window Options • A new browser window opens with the report; use the print button on the browser
47 I 72 Figure 54: Print Report Page
48 I 72 5 Maintenance View Figure 55: Maintenance View Note! The following description assumes a fully activated map menu Logger Table 5.1In the Logger Table, all Loggers of the current project are displayed. Figure 56: Logger Table
49 I 72 5.1.1 Table Fields Reference number of the displayed Logger The fraction or percentage the loggers were reached in the last 5 days Current battery charge of the individual Loggers Version of the respective Logger The lowest temperature measured during the last measurement The highest temperature measured during the last measurement The largest dB value measured during the last measurement It’s the time during which the logger can be reached for communication. Warning: 6 hours or longer radio operation times will reduce battery life Comments is a text field with entries on, e.g. permanent noise sources 5.1.2 Context Menu You can change the base settings of this table by right-clicking an entry in the table Figure 57: Logger Settings Logger Reachability Batt. Version Min Temp. Max Temp. Peak Noise Radio Operation Comments
50 I 72 To display the History of when the Logger had communication with the ZONESCAN NET To display the Minimum Temperature of the selected Logger, click the Min Temp item To display the Maximum Temperature of the selected Logger, click the Max Temp item To display the charge state of the selected Logger, click the Battery History item To add a comment about a Logger, select the Comments item. Enter the desired comment in the text field that appears. Click Apply to save the entered comment. The text is displayed in the table in the Comments field To view an available Picture of the selected Logger. The Picture should have been taken and uploaded by ZONESCAN Mobile during the installation process To Print out a report for the selected Logger to include all the fields in the Table Click Add Logger to add a not-yet existing Logger to the list. In the window that opens, enter the values for Logger No., Location, Latitude and Longitude. After entering all values, confirm your entries by clicking the Save button To make changes to the base settings of existing Loggers, select Edit Logger. Make the desired changes and then click Save Loggers listed in the table can be deleted with the Delete Logger item To delete the measurement data of a Logger, click the Delete Logger's Measurements item Click Delete Logger's Sound Signals to delete the recorded signals Use this item to delete all Loggers for the current project The measurement data of all Loggers is deleted by clicking this item Click this item to delete the sound signals of all Loggers Reachability History Min Temp History Max Temp History Battery History Comments Picture Maintenance Add Logger Edit Logger Delete Logger Delete Logger's Measurements Delete Logger's Sound Signals Delete All Loggers Delete All Loggers' Measurements Delete All Loggers' Sound Signals
51 I 72 Furthermore you have the options with context menus to select the Alpha Link and the Last Reached Indicates which Logger is connected Figure 58: Alpha Link Shows the date when the Logger was contacted Figure 59: Logger Settings Alpha Table 5.2In the Alpha Table, all Alphas of the current project are displayed. Alpha Link Last Reached
52 I 72 Figure 60: Alpha Table 5.2.1 Table Fields Please refer to Tables and Settings of section Logger. Repeater Table 5.3In the Repeater Table, all Repeaters of the current project are displayed. Figure 61: Repeater Table 5.3.1 Table Fields Please refer to Tables and Settings of section Logger.
53 I 72 6 Administration View Note! This section is only relevant for users with supervisor level Figure 62: Administration • To change the settings of an existing project, click Administration in the View area of the menu bar. In the Project area, select the project that is to be changed. In the navigation bar, then click the Current Project > Settings item • To save your settings, click the Save button in the respective table
54 I 72 Current Project Settings 6.1Note! The preset values are guide values and may vary 6.1.1 General Table Figure 63: Settings > General The name of the project is automatically taken over from the menu bar You can select the appropriate operating type according to operating mode. The Alpha item is preset. If you are working in a fixed network, click Fixed Network here. The data is then integrated in your network Project Name Operating Type
55 I 72 6.1.2 Alpha Table Figure 64: Settings > Alpha Warning when not reachable for: Define the number of days after which a warning is displayed if an Alpha was not reached. Preset: 2 days Problem when not reachable for: Define the number of days after which an error is displayed if an Alpha was not reached. Preset: 4 days Warning when below: Enter the charge state of the batteries of the Alphas below which a warning is displayed. Preset: 6.00 V Problem when below: Enter the charge state of the batteries of the Alphas below which an error is displayed. Preset: 5.50 V Minimum temperature limit: Enter the lower temperature value below which a warning or an error is displayed. Preset: -30.0°C Maximum temperature limit: Enter the upper temperature value above which a warning or an error is displayed. Preset: 70.0°C Warning when temp. below minimum for: Enter the number of days after which a warning is displayed if the temperature measured at the Alpha remains below the limit value entered above. Preset: 2 days Problem when temp. below minimum for: Enter the number of days after which an error is displayed if the temperature measured at the Alpha remains below the limit value entered above. Preset: 4 days Warning when temp. above maximum for: Enter the number of days after which a warning is displayed if the temperature measured at the Alpha remains above the limit value entered above. Preset: 2 days Reachability Warning Limits Battery Voltage Warning Limits Temperature Warning Limits
56 I 72 Problem when temp. above maximum for: Enter the number of days after which an error is displayed if the temperature measured at the Alpha remains above the limit value entered above. Preset: 4 days 6.1.3 Repeater Table Figure 65: Settings > Repeater Warning when not reachable for: Define the number of days after which a warning is displayed if a Repeater was not reached. Preset: 3 days Problem when not reachable for: Define the number of days after which an error is displayed if a Repeater was not reached. Preset: 6 days Warning when below: Enter the charge state of the batteries of the Repeaters below which a warning is displayed. Preset: 2.80 V Problem when below: Enter the charge state of the batteries of the Repeaters below which an error is displayed. Preset: 2.60 V Minimum temperature limit: Enter the lower temperature value below which a warning or an error is displayed. Preset: -30.0°C Maximum temperature limit: Enter the upper temperature value above which a warning or an error is displayed. Preset: 70.0°C Warning when temp. below minimum for: Enter the number of days after which a warning is displayed if the temperature measured at the Repeater remains below the limit value entered above. Preset: 3 days Problem when temp. below minimum for: Enter the number of days after which an error is displayed if the temperature measured at Reachability Warning Limits Battery Voltage Warning Limits Temperature Warning Limits
57 I 72 the Repeater remains below the limit value entered above. Preset: 6 days Warning when temp. above maximum for: Enter the number of days after which a warning is displayed if the temperature measured at the Repeater remains above the limit value entered above. Preset: 3 days Problem when temp. above maximum for: Enter the number of days after which an error is displayed if the temperature measured at the Repeater remains above the limit value entered above. Preset: 6 days 6.1.4 Logger Table Figure 66: Settings > Logger Possible leak: Enter the values based on experience for displaying a possible leak. Preset: 40 Probable leak: Enter the values based on experience for displaying a probable leak. Preset: 70 Warning when not reachable for: Define the number of days after which a warning is displayed if a Logger was not reached. Preset: 4 days Problem when not reachable for: Define the number of days after which an error is displayed if a Logger was not reached. Preset: 8 days Warning when below: Enter the charge state of the batteries of the Loggers below which a warning is displayed. Preset: 2.90 V Problem when below: Enter the charge state of the batteries of the Loggers below which an error is displayed. Preset: 1.40 V Leak Value Warning Limits Reachability Warning Limits Battery Voltage Warning Limits
58 I 72 Minimum temperature limit: Enter the lower temperature value below which a warning or an error is to be displayed. Preset - 30.0°C Maximum temperature limit: Enter the upper temperature value above which a warning or an error is to be displayed. Preset: 70.0°C Warning when temp. below minimum for: Enter the number of days after which a warning is displayed if the temperature measured at the Logger remains below the limit value entered above. Preset: 4 days Problem when temp. below minimum for: Enter the number of days after which an error is displayed if the temperature measured at the Logger remains below the limit value entered above. Preset: 8 days Warning when temp. above maximum for: Enter the number of days after which a warning is displayed if the temperature measured at the Logger remains above the limit value entered above. Preset: 4 days Problem when temp. above maximum for: Enter the number of days after which an error is displayed if the temperature measured at the Logger remains above the limit value entered above. Preset: 8 days Warning when dBmax=0 for: Enter the number of days after which a warning is displayed if the highest dB value measured at the Logger is equal to 0. Preset: 1 day Problem when dBmax=0 for: Enter the number of days after which an error is displayed if the highest dB value measured at the Logger is equal to 0. Preset: 2 days Temperature Warning Limits Peak Decibel Warning Limits
59 I 72 6.1.5 Correlations Table Figure 67: Settings > Correlations There are two levels of warning thresholds: yellow in the range of 40 - 79%, which indicates a possible, and red in the range of 80 - 100% indicates a probable leak. The green indicator (0 - 39%, everything is in order) is here not shown. The default values are 40% and 80% Pipe Length: Enter the distance between two Loggers. Preset: 600m Note! Incorrect evaluations will result if the entered length is shorter than the actual pipe length Note! If not sure, enter a value that exceeds the actual distance between the Loggers. Example: actual pipe length: 255m, entered pipe length: 600m Pipe - Material: Select the pipe material from the drop-down list. Preset: Ductile Iron Pipe - Diameter: Select the pipe diameter from the drop-down list. Preset: 100mm Sound Velocity: The sound velocity is dependent on the pipe material and is automatically set by the system upon selection of the pipe material. Preset: 1334 m/s Filter on: Select the check box if your pipe is made of soft material (e.g., PVC, PE) Filter from: Enter the lower Hz value above which filtering is to be performed. Preset: 0 Hz Filter from: Enter the lower Hz value above which filtering is to be performed. Preset: 512 Hz Correlation Color Pipe Presets Filter Presets (Soft Material)
60 I 72 Filter on: Select the check box if your pipe is made of hard material Filter from: Enter the lower Hz value above which filtering is to be performed. Preset: 120 Hz Filter to: Enter the upper Hz value up to which filtering is to be performed. Preset: 512 Hz 6.1.6 Leak Score Table Figure 68: Settings > Leak Score In this field, the measurement sensitivity of the logger can be adjusted to the environmental sound intensity 6.1.7 Calculation Table Figure 69: Settings > Calculation Filter Presets (Hard Material) Env. Noise
61 I 72 Perform leak calculation manually Interrupt leak calculation Delete all leak scores Check e-mail 6.1.8 Events Table Figure 70: Settings > Events One of the essential additions to version 1.5.0 is the Events Table where e-mail alarms can be set for the project. Within this table the project administrators can setup the e-mail alarm parameters including the e-mail addresses of the recipients. The settings are designed to alert on a genuine leak rather than a false positive. Start Leak Calculation Interrupt Leak Calculation Delete Leak Scores Refresh Data
62 I 72 6.1.9 E-mail Settings Table Figure 71: Settings > E-mail Server Type: Click to define your server type. Select the SSL (Secure Sockets Layer) check box if necessary. Preset: POP3 Server: Enter your server's name. Example: pop.1and1.com Port: Enter the port enabled for e-mail reception. Preset: Port 110 Account: Enter the e-mail account that receives the data for the project. Example: albstadt@zonescan.eu Password: Enter the password for the e-mail account entered above Check the “Automatically add Loggers when e-mails from previously undefined Loggers are received by the server” to avoid having to manually set up new Loggers Preset: check box is selected “Only read e-mails whose subject contains:” Select the check box and enter ZS-Net in the text field Delete e-mails after transfer: Select whether and when the transferred e-mails are deleted:  Never  Always Server Configuration
63 I 72  Only e-mails older than N days Enter the number of days after which e-mails are deleted Preset: Always “Server automatically checks e-mail:” Select whether and when the server checks for new e-mail.  Never  Daily at Select the desired time from the drop-down menu  Every N minutes Enter the number of minutes after which the server checks for new e-mail. Preset: Daily at 5:00 AM Note! When entering the time, note that the calculation is useful only after e-mail has been checked. The time of the correlation calculation can be defined in the Server Configuration table If you test the e-mail settings with the Test e-mail settings button, the test results appear here Use the Test e-mail settings button to test whether your settings are correct and e-mails can be received. The results of the test appear in the Test Results field 6.1.10 Administration Table Figure 72: Settings > Administration Test Results
64 I 72 KML Overlays 6.2The uploaded KML (Keyhole Markup Language) overlay files are displayed here in a list: Figure 73: List of the KML files Click Import to upload the KML files stored on the PC Click to delete a selected KML file from the list Delete all KML files in the list Projects 6.3All currently running projects are displayed in a list: Figure 74: Project List Create a new project Edit a project selected in the list Delete a selected project from the list An existing project stored on the PC is imported To merge two projects, you need an (exported) project file that is then imported into an already existing project. In the project list, select the project into which the file is to be imported. Then click Merge Project All projects are exported Import Delete Delete All Add Edit Delete Import Project Merge Project Export Project
65 I 72 Selected Loggers are imported All Loggers contained in the project are exported Users 6.4All users and their assigned projects are displayed in this table: Figure 75: Users Click Add to create a new user. In the window that opens, enter user name, password, user type as well as the first and last name. Click to assign the user individual projects. Once all data has been entered, click Save to activate the profile Click the Edit button to edit an existing profile Click Delete to remove an existing profile System 6.5The system category lists all information related to the ZONESCAN NET server. This category is only available for Administrators. Import Loggers Export Loggers Add Edit Delete
66 I 72 Figure 76: System Messages 6.5.1 Messages There are two types of messages: This is a simple status message about system activities and back-ground processes Please contact support if a message is displayed with the warning status Info Warning
67 I 72 7 Appendices Correction explained in detail 7.1Leakage noise is generally a wild mixture of tones, each of which can be associated with individual frequencies (tone pitches, oscillations). The distribution of this frequency content is referred to as a spectrum. First, the time series signal is recorded. These time series values can undergo a mathe-matical transformation, Fourier analysis. A particularly efficient computational technique of Fourier analysis is the FFT (Fast Fourier Transform). This is used to calculate the frequency content and, in particular, identify the presence of dominant individual frequencies. Using this information, it is possible, for example, to draw conclusions on disturbances (e.g., electrical machines). Frequencies are specified in units of Hz (Hertz) as the number of oscillations per second. For leakage noises, one usually finds a uniform mixture of frequencies, primarily located in the range from 50 to 1000 Hz. The knowledge of the spectrum, i.e., of the frequency response, is particularly helpful for the computational use of filters, by means of which one can separate the useful and the interfering portions of the noise measurement spectra. Correlation is a mathematical method for comparing two time series signals with one another. A leakage noise is simultaneously recorded by two sensors at different locations. The sound emitted by the leak spreads in the water pipe at a defined sound velocity. If the acoustic event were to be brief and occur only once, e.g., a blow with hammer, it would be simple to measure the arrival at both receivers. In this case, one would only need to compare the arrival times at the two receivers with one another. If these are the same, the sound has traveled the same distance to the receivers, i.e., the sound source lies in the middle of the pipe between the receivers. If the arrival times are different, it is possible to calculate the distance to the two receivers from the measured time difference. The sound arrives at the closer sensor before the more distant sensor. Leakage noise, however, is not a one-time acoustic event, but it is also not completely monotonous. Small, irregular changes in sound intensity and frequency occur. These changing signatures travel to the two receivers in the same way as a hammer blow and may arrive at the sensors at different times. Because the identification and comparison of an individual signature is not as simple as in the case of a hammer blow, the two time series signals are first recorded for a period of time; the time series includes many individually measured signal values. The two time series signals are mathematically compared with one another, i.e., correlated with one another. If the leakage sound arrived at the sensors simultaneously, the same signatures are compared and the signals are then similar and the correlation is high.
68 I 72 In general, however, the respective signatures arrive at the sensors at different times and simultaneously recorded signals do not correlate with one another. Because the signals were digitally recorded and stored, it is possible to retroactively shift the signals with respect to one another and re-correlate them with one another. This is performed systematically. From the results, one obtains a correlation curve that includes the individual correlation values over the respective computationally performed time shift. If, during this process, one reaches precisely the time shift that corresponds to the propagation time difference from the sound source to the two receivers, the signal signatures match and one obtains a correlation maximum at this point. Because this is the comparison of two different signals, it is also called a cross correlation. In the context of leakage noises, the goal of the correlation measurement is primarily to determine the propagation time difference of two signals. Because the correlation curve also includes spectral information, it is often of interest to define the character of the leakage noise, particularly for distinguishing noises that are not related to the leak, provided this can be detected by means of a frequency analysis (e.g., electrical noise). The correlation curve can also be mathematically filtered for the purpose of retroactively separating such interfering noise to better identify the correlation maximum caused by the leak.
69 I 72 Center Correction explained in detail 7.2With correlation we measure the time delay between the leak noise reaching both sensors: Figure 77: Center Correlation From this we can calculate the leak distance from both sensors, but only if we know the pipe length between the sensors x. In practice, in ZONESCAN NET we often don’t know the pipe length because it was not entered using the pipe wizard of manual pipe entry. Even if we don’t know the pipe length however, we can always calculate the offset of the leak from the center between the sensors using the default sound velocity. This is called center distance.
70 I 72 7.2.1 Example The selected correlation between sensors 402179 and 402193 in project “Albstadt” below seems to be left of sensor 402193. Figure 78: Center Correlation – cont. As we can see from the KML (Keyhole Markup Language) overlay this is not possible because there is no direct pipe connection between the sensors. However, the center distance of 55m tells us that the noise source is 55m from the center between the sensors towards logger 402193 (if it was towards the first sensor, the center distance would be negative). From this we can see that the correlation position is the junction with the pipe coming from the PRV (Pressure Reduction Volve), which is also the cause for the correlation.
71 I 72 8 Hardware Description Overview 8.1As shown in Figure 1, the ZONESCAN system consists of the devices • ZONESCAN 820 Logger • Model 4-1-C1 (EU, internal antenna), • Model 4-2-C1 (EU, external antenna), • Model 5-1-C1 (North America, internal antenna) • Model 5-2-C1 (North America, external antenna) • ZONESCAN 820 Repeater • Model 4-1-C1 (EU) • Model 5-1-C1 (North America) • ZONESCAN Alpha communication unit • Model S-ALPHA-4-0-A1 (EU) • Model S-ALPHA-5-0-A1 (North America) External Antenna types • ZONESCAN 820 Logger Impedance 50Ω Antenna gain: 0dBi max. Polarisation: linear; vertical Example: C02+MT07-1+174U+SMA M from CHIN MORE • Model S-ALPHA Impedance 50Ω Antenna gain: 12dBi max. Polarisation: linear; vertical Example: YA9-11 from LAIRD TECHNOLOGY
72 I 72 Installation 8.2The initial setup of the ZONESCAN system and/or specific training for the setup is provided by a qualified Gutermann representative. Conformity 8.3This device complies with part 15 of the FCC Rules and with Industry Canada's licence-exempt RSSs. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 9 Disposal Never put electrical appliances, accumulators, and batteries in household waste bin. Always collected separately and perform an environmentally friendly recycling. When disposing of electrical appliances, accumulators, and batteries always comply with national and regional waste disposal regulations. If an orderly disposal of our products is not possible, send the unit to us. We dispose our products environmentally friendly. Address see imprint. 10 Imprint Gutermann Technology GmbH Gottlieb-Daimler-Str. 10 88214 Ravensburg, Germany Phone: +49 751 3590 1682 Fax: +49 751 3590 1699 www.gutermann-water.com E-mail: info@gutermann-water.com Subject to alterations I Software Version 2.1 – Document 03/2017

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