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Accudata GVM-3 Manual

Ground vibration meter
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Accudata GVM-3 Ground Vibration Meter
2018 May, Rev 3
© Accudata Ltd
Aspect House, 48 The Spinney
Ripley, Derbyshire, DE5 3HW
Made in EU
RoHS
compliant

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  • Page 1 Accudata GVM-3 Ground Vibration Meter 2018 May, Rev 3 © Accudata Ltd Aspect House, 48 The Spinney Ripley, Derbyshire, DE5 3HW Made in EU RoHS compliant...

  • Page 2: Table Of Contents

    Software License ......................... 2 DECLARATION OF CONFORMITY ..................4 WARNINGS ..........................6 UNPACKING THE EQUIPMENT ..................... 7 Chapter 1 Use of the GVM-3 ...................... 8 1 Introduction ..........................9 1.1 Alphanumeric keyboard ....................12 1.2 Numeric keyboard ......................13 2 Use of the GVM-3 ........................14 2.1 Switch on ........................
  • Page 3 2 Installation ..........................59 3 Main window ......................... 59 4 Show loggers panel........................ 62 5 Analysis panel........................63 5.1 Wave analysis ......................... 64 5.2 FFT ..........................66 5.3 Math functions ........................ 66 5.4 Norm ..........................68 6 Configuration options ......................68 6.1 Main options ........................

  • Page 4: Limited Warranty & Limitation Of Liability

    Accudata Ltd authorized resellers shall extend this warranty on new and unused products to end- user customers only but have no authority to extend a greater or different warranty on behalf of Accudata Ltd. Warranty support is available if product is purchased through an authorized sales outlet or if the Buyer has paid the applicable international price.

  • Page 5: License Contract

    SOFTWARE are owned by the respective owner and may be protected by intellectual property laws or other laws and treaties on intellectual property. This Agreement does not grant you any rights on its content, Accudata Ltd reserves all rights not expressly granted.
  • Page 6 SOFTWARE will be guaranteed the greater of time remaining until the expiration of the original warranty or thirty (30) days. 6. NO OTHER WARRANTIES. To the maximum extent permitted by applicable law, Accudata Ltd and its suppliers shall not be responsible for any warranty or condition, either express or implied, including but not limited to, the implied warranties of merchantability, fitness for a particular purpose, ownership and non-infringement with respect to the software and the provision or failure technical support services.

  • Page 7: Declaration Of Conformity

    Accudata GVM-3 Ground Vibration Meter DECLARATION OF CONFORMITY For the Accudata GVM-3 Ground Vibration Meter Based on test results using appropriate standards, the product conforms to: Electromagnetic Compatibility Directive 2004/108/EC RoHS Directive 2011/65/EU Standards used: EN 61000-6-1 Electromagnetic Compatibility. Immunity for residential, commercial and light-industrial environments.
  • Page 8 The use of the Accudata GVM-3 in a way which is not specified in the manual does not guarantee its protection. The protection range of this the Accudata GVM-3 is IP-54. In order to ensure this protection you must follow these procedures: ...

  • Page 9: Warnings

    Battery: This Accudata GVM-3 uses Lithium-Ion Batteries. Do not use in environments not listed in the equipment specifications and / or in corrosive environments. Do not place the Accudata GVM-3 near heat sources, high temperature environments, direct sunlight, ovens or pressurized containers.
  • Page 10  Note: The integral rechargeable Lithium-Ion batteries are provided charged. However the batteries should be fully charged before first using the GVM-3. For safety reasons during transport the fuse may have been removed and must be re-fitted before operating the GVM-3.
  • Page 11 Accudata GVM-3 Ground Vibration Meter Chapter 1 Use of the Accudata GVM-3 Page Nº 8...
  • Page 12 Accudata GVM-3 Ground Vibration Meter Page Nº 9...

  • Page 13: Introduction

    On key: Press to switch on the GVM-3. Trigger key: Use this key to force a trigger while the GVM-3 is recording (it will not function when in Bar-graph only mode). Arrow keys: Use these keys to move the cursor through the screen “as a mouse”. Use the arrows for precision movements.
  • Page 14 Accudata GVM-3 Ground Vibration Meter The transducers and power connectors are on the left hand side, as shown below: The numbers show: Power plug: Used for, 12 V Power supply. ◦ External trigger. (An external device is needed, please contact your distributor if ◦...
  • Page 15 USB Host connector: Used with an external USB memory stick to transfer the data or the WiFi adapter. Do not use this connector with a computer! USB Client connector: Used for a direct link to a computer. The GVM-3 will be identified as an external drive. For this operation use the USB cable provided.

  • Page 16: Alphanumeric Keyboard

    Accudata GVM-3 Ground Vibration Meter 1.1 Alphanumeric keyboard To use a box that requires alphanumeric characters, the following dialog screen will appear: keys are: Deletes all the characters in the string. Deletes only one character in the string. Changes from lowercase to uppercase or to special characters.

  • Page 17: Numeric Keyboard

    Accudata GVM-3 Ground Vibration Meter 1.2 Numeric keyboard When a value needs to be numerical, the following dialog box will appear: The “C” key is used to delete a number and “Enter” is used to accept the value and exit.

  • Page 18: Switch On

    2 Using the GVM-3 2.1 Switch on To switch on the GVM-3 press the “ON” key. The GVM-3 will take from 20-25 seconds to initialise. Note: The GVM-3 periodically performs a disk check that may take between 1 & 2 minutes.

  • Page 19: Tool Bar

    Configuration information Record panel Option tabs. 2.1.1 Tool bar Switch off button: Switches off the GVM-3. Date: Time & date. Power save: Enables or disables the power saving mode. See the power saving option for more information. Logger to file: Enables or disables the logger to file. When the logger is in use, one text file will...
  • Page 20 GVM-3. The format of this file is “yyyymmdd-sn.log”, where yyyy is the year, mm the month, dd the day and sn the serial number of the GVM-3. The file is a text file. You can open it with any program that can read this type of file.
  • Page 21 (Only for waveform mode). 2.1.2 Configuration information This part of the screen shows the actual configuration of the GVM-3 including: Channel & Type of transducer. ...

  • Page 22: Record Panel

    Accudata GVM-3 Ground Vibration Meter 2.1.3 Record panel Use this window to select the record time and record mode then press the Start button. To stop the recording, press the Stop button. Page Nº 19...

  • Page 23: Options Tabs

    Accudata GVM-3 Ground Vibration Meter The following modes are available: Waveform: In this mode the waveform will be recorded. This method is intended for use when  monitoring during blasting or when analysis of the waveform is needed (see the analysis software section).
  • Page 24 Accudata GVM-3 Ground Vibration Meter Show records panel. The use of this panel is explained in section 2.4 Mail panel. The use of this panel is explained in section 2.5 Data transfer panel. The use of this panel is explained in section 2.6 Status and information panel.

  • Page 25: Record Configuration Panel

    Accudata GVM-3 Ground Vibration Meter 2.2 Record configuration panel This panel enables configuration of the recording parameters. The configuration options are on the left and the configuration information is on the right. Page Nº 22...
  • Page 26 Trigger used. This check box enables the selected channel(s) to be the trigger. Note 1 & 2: The notes will appear in the report, useful to identify the GVM-3, job, location, etc. Pre-trigger time: Time recorded before the trigger level is reached. Only used in waveform mode.
  • Page 27 Accudata GVM-3 Ground Vibration Meter FFT 75 % of the energy spectrum (75 % of the total energy of the wave is under this value). ◦ Note: In the bar-graph mode, only the zero crossing method is possible. The information panel provides the following information.

  • Page 28: Channel Configuration

    This window enables configuration of the equipment. Screen Back-light: Use the slide bar to adjust the brightness of the screen. Note that the GVM-3 will always have maximum brightness at start up. Norm: Select the Norm to use. (See 2.4 section).

  • Page 29: Communications

    Accudata GVM-3 Ground Vibration Meter Information about the transducer configuration of the selected group. This information cannot be changed by the user. Enable / disable the channels to use. Change between the transducer groups. Note that the transducer groups are factory defined and unless special options were requested there will have only 1 group.
  • Page 30 Accudata GVM-3 Ground Vibration Meter Not usually needed to configure this option. Select this box to switch off the Wi-Fi. Disconnect all network devices. Refresh. Press this button to find Wi-Fi spots. Connection status. Check this box to use the wired network (LAN) as default network.
  • Page 31 Accudata GVM-3 Ground Vibration Meter Below are configuration examples for 2 different net interfaces, a wired (LAN) and a Wi-Fi connection (requires a Wi-Fi adapter connected to the USB). Wired connection: - Press the Add button (8). Type in the profile name.
  • Page 32 Accudata GVM-3 Ground Vibration Meter If the GVM-3 was purchased with a router, the IP address will have been configured in the factory. After selecting OK, check the status of the connection on the tool bar (5). Page Nº 29...
  • Page 33 Accudata GVM-3 Ground Vibration Meter Wi-Fi connection: Ensure that the Wi-Fi adapter is plugged into the Host USB port before switching on the GVM-3. - Press the Add button (8). Type in the profile name. - The new connection has been created. Select the Properties button of the Wi-Fi spot to connect.
  • Page 34 Accudata GVM-3 Ground Vibration Meter (In this case, the “Connect” button under the Accudata Wi-Fi spot). Amend Vibraquipo in image Page Nº 31...
  • Page 35 Accudata GVM-3 Ground Vibration Meter - It is recommended that a static IP address is used, but in this case, as an example, the IP address is assigned by the Wi-Fi spot. Enter the type of encryption and password for the Wi-Fi.

  • Page 36: Show Records Panel

    Accudata GVM-3 Ground Vibration Meter The IP address given by the Wi-Fi spot is shown (192.168.1.105). In this case, it is possible that the Wi-Fi spot will change the IP address and it will not be able to access the WEB and FTP server. It is always recommend that a static IP address is used, as in the wired connection example.
  • Page 37 Accudata GVM-3 Ground Vibration Meter Where: Record values information: File name, Maximum, Frequency, vector sum, recording time and date / time of the record. Previous / Next: Navigates to the previous or next record. First / Last: Direct access to the first or last record stored.
  • Page 38 Accudata GVM-3 Ground Vibration Meter Norm: Shows the Norm selected in the GVM-3 configuration panel. Delete one record: Deletes the record shown on the screen. Page Nº 35...

  • Page 39: Mail Panel

    Accudata GVM-3 Ground Vibration Meter Delete all records: Use with care! Deletes all records in the memory, including the logger files. Print the record: Sends the summary of the displayed record to the printer. 2.5 Mail panel This window is intended for a basic configuration of the mail server. For advanced options use the WEB interface (see the WEB server section).

  • Page 40: Data Transfer Panel

    Accudata GVM-3 Ground Vibration Meter Note: The mail server provided by default (vibracord.com) is our mail server, and this server information is restored when you use the option of restoring the factory defaults. The use of this server is free of charge, and none of the sent mails are stored or viewed. Therefore we assure the confidentiality of your data when you use this server.
  • Page 41 Device for the data transfer / format (External USB disk or SD Card). Please note that not all USB disks or SD cards will work with the GVM-3. If the SD card or USB disk is not recognized, try to format it with the format device option (3).

  • Page 42: Status And Information Panel

    If the power supply is plugged in, a voltage level will be displayed in this field. This option is very useful if the Accudata GVM-3 is powered with an external battery. Accudata GVM-3 working temperature (this value is different from the environmental temperature).

  • Page 43: Power Save Dialog

    Accudata GVM-3 Ground Vibration Meter 2.8 Power save dialog Click on the power icon of the tool bar to show the following dialog: Where: Energy options for the GVM-3. Equipment active time: Enter times into the From & To boxes for the required activation period.

  • Page 44: Beacon Options Dialog

    Accudata GVM-3 Ground Vibration Meter 2.9 Beacon options dialog Click the Beacon icon of the tool bar to show the following dialog: Introduce the desired red and yellow levels for the Beacon device. Page Nº 41...

  • Page 45: Communications Module

    Internet connection if a different device is used. In this case, ask your system administrator to configure the connection. A Public IP to connect to the GVM-3 from the Internet is needed (otherwise only the mail options are possible). A Static IP address is recommended for all cases. Dynamic IP's are possible, but when changing, you need to get the new one.

  • Page 46: Access The Ftp Server

    Administrative user: This user has all the privileges of viewing and modifying all the server options. Guest user: This user is only allowed to see the status and records stored in the GVM-3, but can not modify the configuration. The factory defaults are:...
  • Page 47 If the user and password are correct, access will be gained to this page: New image required This is the Home page with useful information about the status of the GVM-3. The menu options are on the left side and the navigation options are at the top.
  • Page 48 The following information is shown: Where: GVM-3 serial number. GVM-3 serial number. Capture status. It shows if the GVM-3 is recording or not. If it is recording, the record mode is shown. Number of records and loggers stored in the GVM-3.

  • Page 49: Help

    GVM-3 and CPU temperatures. The working range is displayed beside the temperature. This option is very useful to check the recommended working temperatures if your GVM-3 is working under extreme environmental conditions (hot or cold). Note that these temperatures are different from the environmental temperature.

  • Page 50: Change Configuration

    Accudata GVM-3 Ground Vibration Meter Warning! Do not use the GVM-3 interface and the WEB interface to change configuration parameters at the same time, as the consequences could be unpredictable. 3.4.5 Change configuration Use this page to change the recording time, notes, trigger levels and power save options of the GVM-3.
  • Page 51 Accudata GVM-3 Ground Vibration Meter Page Nº 48...

  • Page 52: Alarm Configuration

    Mail 1 Up to 3 different addresses can be selected on the GVM-3 to send trigger alarms and / or status mails. The GVM-3 status info option allows the selection in the drop box as to when to send the status...
  • Page 53 Accudata GVM-3 Ground Vibration Meter mails. Note that the period always begins at midnight. For example, if the GVM-3 status shows every 8 hours, the mails will be sent at 00:00, 08:00 and 16:00. Select the addresses which will receive the status mail with the check boxes.
  • Page 54 Accudata GVM-3 Ground Vibration Meter There are 3 different alarm levels, each one user selectable, Red, Yellow and Green (from high to low). Please note that the alarm levels are different from the trigger levels although the same levels can be selected for both. For example, if 1.00 mm/s is selected as the trigger level and 5.00 mm/s as the alarm level, with a vibration value of 3 mm/s, a record will be stored in the memory, but no email will be received.
  • Page 55 Binary file: the .sis file is attached. With the computer software open this file to analyze the  data and print the desired reports. pdf file: A pdf report is generated by the GVM-3. Open this document using any pdf viewer.  The following table explains the different options available according to the selection and...

  • Page 56: Real Time Data

    This screen shows information about the vibration values in real time. It is the same information as shown in the instrument whilst recording, with the instant and maximum values of the recording period. If the GVM-3 is recording 24 hours a day, the recording period will be restarted automatically at midnight.

  • Page 57: Show Data

    Accudata GVM-3 Ground Vibration Meter 3.4.8 Show data Use this screen to show the data stored in the GVM-3. New image needed All the records are displayed or filter by date (useful if there are a large number of records).

  • Page 58: Download Data

    Accudata GVM-3 Ground Vibration Meter The most important record information appears (date and time, maximum values and frequencies). To the right of every record there are 3 icons with the following meaning: Indicates that the record is a bar-graph file...

  • Page 59: Delete Records

    Accudata GVM-3 Ground Vibration Meter 3.4.10 Delete records New image required This screen allows the deletion of records. There are 3 options: Delete records for this date: All the records of the selected date will be deleted. Delete the records before this date and time: All the records before the date and time selected will be deleted.

  • Page 60: Security

    This screen allows the changing of the current password to access the WEB server. Firstly, enter the Master Key. This key is unique for each GVM-3 with the format: VibraWEB + instrument serial number. For example, an instrument with the serial number VA6244, the master key would be: VibraWEBVA6244 (case sensitive).

  • Page 61: Special Functions

    The GVM-3 has an auto power on function that allows recording continuously after a long power failure that completely empties the battery. By default, this option is disabled. To enable or disable it, you must open the GVM-3 (remove the four screws on the bottom lid) and locate this jumper: Jumper unplugged –...

  • Page 62: Remove The Fuse For Equipment Transportation

    Jumper plugged – Auto switch on is on Precaution: Be careful when opening the GVM-3. Do not pull any connector and do not touch the electronic circuits. Pay special attention when closing the lid. Be sure that there is no cable trapped between the lid and the case.

  • Page 63: Reset The Equipment

    GVM-3 becomes slower, and some read operations or disk maintenance should not be interpreted as equipment hang. If you experience a real hang, press the “light” button for 8 seconds or more until the GVM-3 switches off. After start up, please check the configuration options. Remember the operation that you were doing before the hang and send us a report to the address info@accudata.co.uk.

  • Page 64: Chapter 2 Analysis Program

    Accudata GVM-3 Ground Vibration Meter Chapter 2 Accudata GVM-3 Analysis program Page Nº 61...

  • Page 65: Introduction

    Accudata GVM-3 Ground Vibration Meter 1 Introduction The use of the analysis program provided with the GVM-3 is explained here. It is available for the following operating systems: Microsoft Windows: Vista or higher  Linux.  It is assumed that the user has sufficient knowledge about the operating system.

  • Page 66: Main Window

    Accudata GVM-3 Ground Vibration Meter 3 Main window Once the program is installed, and after executing it, this frame appears as the main screen: Page Nº 63...
  • Page 67 Accudata GVM-3 Ground Vibration Meter The menu options are in the upper part. Use the directory tree on the left to navigate and find folders of stored records. To the right there is a grid with the most relevant data of the record in selected in the folder.
  • Page 68 Accudata GVM-3 Ground Vibration Meter Move: Moves the selected records on the grid to the selected folder. Copy: Copies the selected records on the grid to the selected folder. Delete: Deletes the selected records on the grid. Warning! Be careful, this operation cannot be undone.

  • Page 69: Show Loggers Panel

    Accudata GVM-3 Ground Vibration Meter GVM-3. These are plain text files, and can be opened with external programs like Word. Filter options: These options allow the filtering of the records shown on the grid. There are several types of filters: By serial number: Useful for users with more than one GVM-3.

  • Page 70: Analysis Panel

    Accudata GVM-3 Ground Vibration Meter 5 Analysis panel. This window allows recorded data analysis (waveform or bar-graph). New image required Waveform and record information window. Grid data summary. Navigation buttons: Enables change between the previous and next record. Exit button: Exit the analysis panel and return to the main panel.
  • Page 71 Accudata GVM-3 Ground Vibration Meter 5.1 Wave analysis Use this window to analyze the values and timing of the record. Waveform window. Navigation buttons: Moves the wave to the beginning. Moves the wave backwards. Moves the wave forwards. Moves the wave to the end.
  • Page 72 Accudata GVM-3 Ground Vibration Meter Zoom buttons. Scale X axis (time): Fits the zoom to the record length Resizes the wave to the length defined by the markers (the start and end markers must be defined) Decreases zoom Increases zoom Zoom buttons.
  • Page 73 Accudata GVM-3 Ground Vibration Meter Mark 1 time: Use the left button of the mouse for this mark. ◦ Mark 2 time: Use the right button of the mouse for this mark. ◦ Δt: Time difference between Mark 1 and Mark 2.
  • Page 74 Accudata GVM-3 Ground Vibration Meter 5.3 Math functions Use this window to perform advanced mathematical functions on the wave. This panel is only available for waveform records. Wave window: This window displays the original wave (blue) and the mathematically transformed wave (red).

  • Page 75: Norm

    Accudata GVM-3 Ground Vibration Meter Delete all filters. Print button: Prints a report with the selected mathematical function. Data grid: Displays the maximum values of the original and mathematical wave. Function applied: Displays the mathematical function shown in the wave window and data grid.

  • Page 76: Main Options

    Accudata GVM-3 Ground Vibration Meter 6.1 Main options New image required Language: Select the program and language (A restart is required after changing the language). Date format: Select the preferred date format. Text fields: Will appear in the header of the reports.

  • Page 77: Printer Options

    Accudata GVM-3 Ground Vibration Meter 6.2 Printer options Scale: This value does not need to change unless the printed report does not fit on the page. Offset: This does not need to change unless the printed report is not centered.

  • Page 78: Font Configuration

    Accudata GVM-3 Ground Vibration Meter 6.3 Font configuration. Change font: Opens a font chooser dialog. The selected font will be used on the screen and in reports. If the selected font exceeds the assigned limits or is too small, change the following values: Screen font scale: Increase or decrease the font size on the screen.

  • Page 79: Colour Configuration

    Accudata GVM-3 Ground Vibration Meter 6.4 Colour configuration. Use this dialog to change the different colours used in the reports. Page Nº 76...

  • Page 80: Norm Configuration

    Accudata GVM-3 Ground Vibration Meter 6.5 Norm configuration. Norm to use: Select the Norm to use in this drop box. Frequency to use: In this drop box, select the frequency calculation method used by the Norm. If the Norm specifies the method, the selection is not overridden.

  • Page 81: Regression Analysis

    Accudata GVM-3 Ground Vibration Meter 7 Regression analysis. Allows the calculation of the charge – distance table in a blast with the recorded data. Regression adjust window: Displays the regression adjustment, with the adjustment line, security line and the different points used for the study.
  • Page 82 Accudata GVM-3 Ground Vibration Meter Print button: Prints a report. Page Nº 79...

  • Page 83: Chapter 3 Technical Specifications

    Accudata GVM-3 Ground Vibration Meter Chapter 3 Accudata GVM-3 Technical specifications Page Nº 80...

  • Page 84: Technical Specifications

    This manual contains information and warnings that must be followed by the user to guarantee safe handling and to maintain the instrument in safe conditions. The use of the GVM-3 in a different way other than that specified by the manufacturer can impair the protection and/or technical...
  • Page 85 Accudata GVM-3 Ground Vibration Meter General: Depending on the configuration of the GVM-3, some of the following parameters will not be applicable. Number of channels 4 or 7 Sampling rate (samples per second) 2048 Analog to Digital Converter 16 bits Data storage memory 1.8 GiB...
  • Page 86 Upper limit + 0,5 dB over all frequency range Lower limit -3,0 dB -3,0 dB -0,5 dB -3,0 dB -3,0 dB Note: The deviation of the GVM-3 plus the uncertainty in the calibration must be below these values. Page Nº 83...
  • Page 87 Accudata GVM-3 Ground Vibration Meter 1 - 315 Hz Version (According to DIN 45669): Seismic channels. Measurement range ± 120 mm/s Seismic channels. Resolution 0,01 mm/s Air over-pressure channel. Measurement range ± 502 Pa (148 dB) Air over-pressure channel. Resolution 0.1 Pa...
  • Page 88 Accudata GVM-3 Ground Vibration Meter Electrical parameters 12 V Power supply See the characteristics on the power supply unit. Fuse Internal Li-Ion battery 8.4 V Upon request, the GVM-3 can be delivered with the following transducers: Hydrophones  Accelerometers  Geophones  Etc. ...

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