HydroSense II (HS2) Support Software User Guide Revision: 10/12 C o p y r i g h t © 2 0 1 1 - 2 0 1 2 C a m p b e l l S c i e n t i f i c , I n c .
License for Use This software is protected by United States copyright law and international copyright treaty provisions. The installation and use of this software constitutes an agreement to abide by the provisions of this license agreement. Campbell Scientific grants you a non-exclusive license to use this software in accordance with the following: (1) The purchase of this software allows you to install and use the software on one computer only.
Limited Warranty The following warranties are in effect for ninety (90) days from the date of shipment of the original purchase. These warranties are not extended by the installation of upgrades or patches offered free of charge. Campbell Scientific warrants that the installation media on which the software is recorded and the documentation provided with it are free from physical defects in materials and workmanship under normal use.
Table of Contents PDF viewers: These page numbers refer to the printed version of this document. Use the PDF reader bookmarks tab for links to specific sections. 1. Installation ................................................................1-1 1.1 1.2 1.3 1.4 System Requirements....................................................................... 1-1 Installation CD ................................................................................. 1-2 Web Setup File.....................................
Table of Contents 4.5 Map Tab ......................................................................................... 4-13 4.5.1 Map View Sections ................................................................. 4-13 4.5.2 Creating a New Zone............................................................... 4-15 4.5.3 Zones List................................................................................ 4-17 4.5.4 Export Menu............................................................................
Section 1. Installation 1.1 System Requirements HydroSense II Support Software is built on the .NET Framework 3.5, which has the minimum system requirements listed in TABLE 1-1. NET Framework 3.5 Minimum Requirements (p. 1-1). TABLE 1-1. NET Framework 3.
Section 1. Installation Supported Bluetooth Stacks Microsoft (included with Windows XP SP2, Windows Vista, and Windows 7) BlueSoleil (bundled in the form of BlueSoleil software with Bluetooth USB dongles) Toshiba (used by third parties, such as Dell and Sony, in laptops and USB dongles) Broadcom / Widcomm (one of the older stacks, also licensed to third parties) 1.2 Installation CD An installation CD is supplied with the HydroSense II unit. The CD contains the HydroSense II Support Software and the .
Section 1. Installation If the .NET Framework 3.5 SP1 is not already installed, the wizard will prompt to install it from the CD. Click Accept to continue. The installation of .NET Framework 3.5 will take a couple of minutes. Once the installation is complete, the install wizard will continue (SECTION 1.4 Install Wizard (p. 1-4)). 1.3 Web Setup File Alternatively, HydroSense II Support Software can be downloaded from the Downloads menu at www.campbellsci.com. The download does not include the .
Section 1. Installation Click Yes to open a browser to download and install the .NET Framework, then run HydroSoft.exe again. 1.4 Install Wizard The installation wizard begins with a welcome page: Click Next to continue. The next page shows the default installation directory for the software.
Section 1. Installation In most cases, the default directory should be used. This page also asks whether to install the software for the current user or for all users on this PC. This decides whether the desktop shortcut and Start menu shortcut will be visible to just the current user or to all users. Click Next to continue. Click Next on the next page to begin installing the software.
Section 1. Installation A shortcut to the software is placed on the desktop and in the Start menu under Programs > Campbell Scientific > HydroSense II. This Start menu group contains two shortcuts. HydroSense II Support Software This shortcut will run the support software used to download and display data from the HydroSense II. See SECTION 2. Quickstart (p. 2-1) for more information. Operating System Updater This shortcut will run the HydroSense II firmware update facility.
Section 2. Quickstart 2.1 The Main Window The main window has three areas. 1. Toolbar — used to connect to devices and download data. 2. Central area — contains the Data, Chart, and Map tabs. These tabs will become visible when data are downloaded from the HydroSense II. More information can be found in SECTION 4. Viewing Data (p. 4-1). 3. Status bar — displays errors that may occur while connecting to a device.
Section 2. Quickstart 2.2 Discover Devices Press the Discover button in the toolbar to start searching for devices. Depending on your Bluetooth hardware, this search could take up to 30 seconds to complete and cannot be cancelled. When discovery is complete, the first discovered device is displayed in the Device List to the right of the Discover button. To view all discovered devices, press the down arrow to the right of the device name. 2.
Section 2. Quickstart 2.4 Download Data If the HydroSense II has new measurement or zone data, notification will be posted in the status area to the right of the Synchronise button. To download new data, press the Synchronise button. After the download is complete, the status area indicates that the measurements and zones are now synchronized. For more information on downloading data see SECTION 3.4 Synchronizing with a Device (p. 3-6). 2.
Section 2. Quickstart The timeline in the lower portion of the tab is used to filter the data by measurement time. The sliders on either side of the table are used to scroll through the measurements. For more information on how to use the data tab viewing options, see SECTION 4.3 Data Tab (p. 4-5). 2.5.2 Chart Viewing Tab The Chart tab plots measurements for a given zone (or group of zones) over time.
Section 2. Quickstart By default, the chart displays all measurements. To view a chart for a specific date range, clear the Select All Dates checkbox and use the timeline (timeline is below the chart) to highlight a range of dates to display. For more information on using the Chart tab and the timeline, see SECTION 4.4 Chart Tab (p. 4-10). 2.5.3 Map Viewing Tab The Map tab displays measurements and zones on a two-dimensional plot.
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Section 3. Downloading Data 3.1 Discovering a Device The main toolbar contains the Discover button and the list of known devices. Press the Discover button in the toolbar to start searching for devices. The HydroSense II should be in range of the PC and turned on. Depending on the Bluetooth hardware, this search takes up to 20 seconds and cannot be cancelled. During discovery, the status bar flashes a discovery symbol to indicate that discovery is in progress.
Section 3. Downloading Data 3.2 Connecting to a Device 3.2.1 Connecting The Connect button controls connection to HydroSense II probes. If a device is selected in the device list, the Connect button will be enabled. Press the Connect button to connect to the device. The connection process should take only a few seconds. The status bar will flash a Connect icon to indicate that the connection is in progress. The first time the software connects to a particular HydroSense II, a pairing step is required.
Section 3. Downloading Data 3.2.2 Pairing with a Device The first time the software connects to a specific HydroSense II, the user is required to enter a pairing code for the device. For all HydroSense II displays, the pairing code is 1234. After pressing the Connect button, the Bluetooth stack on the local PC will ask for the pairing code. The method used to ask for this code varies between Bluetooth stacks. This page shows the procedure for the Microsoft stack running on Windows 7.
Section 3. Downloading Data Close the "Add a device" window by pressing the Close button. Windows will install the necessary drivers to communicate with the HydroSense II; the progress will be shown above the Windows task bar. Once the installation is complete, the HydroSense software will connect to the HydroSense II. 3.2.3 Disconnecting The software does not need to be connected to a device to view downloaded data.
Section 3. Downloading Data 3.3 Setting Time Manually adjusting time and date is not normally necessary. GPS derived time will override time and date set with this menu. The time setting facility is generally used to set the clock when GPS synchronization is disabled or GPS power is turned off. 3.3.1 The Set Device Time Window When connected (SECTION 3.2.1 Connecting (p. 3-2)), HydroSense II time appears next to the Connect button in the main toolbar.
Section 3. Downloading Data 3.3.1.2 Set to Custom Time To set HydroSense II time to a custom time or time zone, select the Set To: option. This enables the time and time zone edit boxes. Enter the custom date and time into the edit boxes. To set the date using a calendar, press the drop down arrow on the date edit box. In the Item list, select the desired time zone. Press the Set button to update the device with the custom time or time zone. 3.
Section 3. Downloading Data The following table shows the possible states that may be shown in the status area, and the action each performs. TABLE 3-1. Status Area States State Action Performed The latest record stored on the device is newer than the latest record stored on the PC. The PC will download the new records from the device. The latest record stored on the device is the same as the latest record stored on the PC. No action is needed.
Section 3. Downloading Data After synchronization is complete, the status display will show that data and zones are synchronized. The connection with the HydroSense II can be disconnected after synchronization. Newly downloaded data can be viewed without an active connection.
Section 4. Viewing Data 4.1 Using the Timeline The timeline shows an overview of water content over time. The Data, Chart, and Map tabs use a common timeline to filter measurements based on the time they were taken. The timeline is shown in the lower portion of each tab. By default, the timeline has the Select All Dates checkbox selected. This means that all measurements will be displayed in the active tab. To start filtering measurements by timestamp, clear the Select All Dates checkbox.
Section 4. Viewing Data The length of the highlighted area are changed by clicking and dragging the sliders on either side of the selection. Extending the highlighted area to cover more than 80% of the timeline will cause the timeline to zoom out and a longer date range of data to be displayed. Notice that the timeline now shows 3 months of data.
Section 4. Viewing Data When large numbers of measurements are updated, the process may take a few seconds. A loading icon will be displayed while the view is refreshed.
Section 4. Viewing Data 4.2 Showing / Hiding Zones Zones menus in the Data and Chart tabs facilitate showing or hiding measurements by zone. By default, all zones are shown and listed in alphabetical order; clear the Select All checkbox to enable individual zone checkboxes. Clearing individual zone checkboxes will remove measurements from those zones. If the Select All checkbox is cleared and no individual zones are selected, no data are displayed.
Section 4. Viewing Data 4.3 Data Tab 4.3.1 Records Display The Data tab displays all records downloaded for the current device in detail. The tab has three sections. 1. Menu Bar The menu bar has a Zones menu and an Export menu. The Zones menu allows the user to display or hide measurements by zone. See SECTION 4.2 Showing / Hiding Zones (p. 4-4) for more information. The Export menu allows the user to output a .csv file containing the measurements currently in view. See SECTION 4.3.3 Export Menu (p.
Section 4. Viewing Data The following columns are in the data list: TABLE 4-1. Data List Element Description TimeStamp HydroSense time when the measurement was made Record Number Record numbers range from 1 to 65535 Zone Zone where this measurement is located Latitude Latitude (°N of the equator) where this measurement was made Longitude Longitude (°E of the prime meridian) where this measurement was made Moisture ( % ) Volumetric water content (VWC) reported in percent (%).
Section 4. Viewing Data The Map View will appear and the selected points will be highlighted with cross hairs for 3 seconds. The map will automatically pan to ensure all of the selected points are visible. 4.3.2.2 Select All Rows All rows in the Data View can be selected by right clicking anywhere in the data list and choosing Select All. This will select all rows in the current view (it will not select rows which are currently hidden by the choice of visible zones or the date range).
Section 4. Viewing Data 4.3.2.3 Removing Records Unwanted measurements are removed by right-clicking on the measurement row and selecting the "Remove selected points" command. The software will prompt for confirmation of the removal. Once a measurement is removed from the list, it cannot be recovered. Multiple measurements can be removed by holding the CTRL key and selecting the desired rows, and then right-clicking and choosing the “Remove selected points” command.
Section 4. Viewing Data 4.3.3 Export Menu The Export menu can be found at upper-left of the Data tab The menu contains a command to export the measurements listed in the Data tab to a .csv file. A .csv file can be opened in Excel® or similar spreadsheet applications. First, select the appropriate range of dates from the timeline in the Data tab. Click the “To CSV (Excel)” command from the Export menu. A Save As dialog box will prompt where to save the .csv file. Choose a location and press Save.
Section 4. Viewing Data 4.4 Chart Tab 4.4.1 Chart Tab Sections The Chart tab plots volumetric water content (VWC) from each measurement against time. The tab has three sections. 1. Menu Bar The menu bar has a Zones menu and an Export menu. The Zones menu allows the user to display or hide measurements by zone. See SECTION 4.2 Showing / Hiding Zones (p. 4-4) for more information. The Export menu allows the user to output a .csv file containing the measurements currently in view. See SECTION 4.3.
Section 4. Viewing Data infotip is displayed listing time the measurement was made, VWC in percent (%), and the zones to which the measurement belongs. The background of the chart is a gradient of color defaults used in the HydroSense II software. This is the coloring scheme used as the background for rows in the Data tab and used to color measurements and zones in the Map tab. To change these colors, see SECTION 5.3 Measurement Colors (p. 5-7). 3.
Section 4.
Section 4. Viewing Data 4.5 Map Tab 4.5.1 Map View Sections The Map tab plots measurements and zones on a 2D map and colors them according to aggregate measurement values. The Map tab does not provide the option to import a background image on which to plot, but it can export the current map view to Google Earth for viewing against satellite imagery. The Map tab has three areas. 1.
Section 4. Viewing Data A toolbar is located on the right of the map. It contains tools to change zone sizes and positions. See SECTION 4.5.6.1 Zone Editing Tools (p. 4-22) for instructions on how to use this toolbar. A zoom slider is located on the left-hand side of the main map. This can be used to change the current zoom level in increments by clicking the + and buttons or continuously zooming in by using the slider.
Section 4. Viewing Data Points Measurements are shown on the map as small cross marks. These cross marks are not drawn to scale and do not change size during zooming. Each cross is colored according to the VWC for the measurement. The colors used to represent different levels of VWC can be changed as described in SECTION 5.3.4 Changing Measurement Colors (p. 5-8). Pausing the pointer over a cross mark will produce an infotip listing the timestamp, VWC and zones containing the measurement.
Section 4. Viewing Data This will create a new zone centered on the cursor position or on the selected point. The name of the zone will be automatically generated and the radius will be set to a quarter of the Map View height (with a minimum of 3 meters). Double click the new zone to change the name and size or use the Zone Editing Tools to resize or move the zone. The new zone will not yet exist on the HydroSense II hand held unit; it will be uploaded to the unit on the next Synchronization.
Section 4. Viewing Data 4.5.3 Zones List The Zones list menu can be found at the upper-left of the Map tab. This menu lists the zones stored on the HydroSense II with the number of points in each zone. The zones will be listed in alphabetical order. Doubleclick on a zone to zoom to that zone in the Map tab. Zone editing commands are available by right-clicking on the zone in the Map tab. See SECTION 4.5 Map Tab (p. 4-13) for more information.
Section 4. Viewing Data 4.5.4 Export Menu The Export menu can be found at the upper-left of the Map tab. The menu facilitates exporting map data to one of two formats. Clicking on either of the commands will open a Save As dialog box to choose the location of the exported file. Only the points currently visible on the map will be exported. To export all points, select the Select All Dates checkbox in the timeline. KML KML is the Google Earth file format. The .
Section 4. Viewing Data 4.5.5 Show in Google Earth The Show in Google Earth button is located at the lower-right of the Map tab. This button is visible but disabled if Google Earth is not installed. Clicking this button will open Google Earth and display the currently visible zones and measurements against Google Earth satellite imagery.
Section 4. Viewing Data 4.5.5.1 Zones Zones are displayed to scale as colored circles. Circle color is determined by the average VWC of all points in a zone. Click the zone to view an infotip with more information about the zone. 4.5.5.2 Measurements Measurements are displayed as pin markers in Google Earth. Each marker will be colored according to the VWC measured at that point. Click on one of the markers to view an infotip with more information about the measurement.
Section 4. Viewing Data 4.5.6 Edit Zone Window The Edit Zone window can be displayed by double-clicking a zone in the HydroSense Support Software map or right-clicking the zone and choosing the Edit command. Note that the Set button will be disabled until a zone setting has been changed. The following zone settings can be changed and saved by pressing the Set button. The Set button will be disabled until a change is made to the zone settings.
Section 4. Viewing Data Radius This field specifies the radius of the zone in meters. This field only accepts numeric characters (numbers and the period character “.”). The minimum allowable zone radius is 3 m. Centre Latitude and Centre Longitude cannot be edited from the Edit Zone Settings window. To change the location of a zone, use the Move Zone tool in the map as described in SECTION 4.5.6.1 Zone Editing Tools (p. 4-22). 4.5.6.
Section 4. Viewing Data While dragging, the position of the pointer on the map is displayed in the upper-right of the map. An infotip is displayed to show the number of contained points and average moisture for the current zone position. Right-clicking anywhere on the map, or selecting the hand tool from the toolbox, puts the map back into Drag Mode. 3. Resize Mode Clicking the resize tool puts the map in Resize mode.
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Section 5. Settings and Configuration 5.1 Bluetooth Settings The Bluetooth Adapters window can be accessed from the Options menu in the main window. The window shows a list of all available Bluetooth adapters on the local PC. The Bluetooth adapter currently being used by the HydroSense II software is shown in bold. If there is more than one Bluetooth adapter on the local computer, the extra adapters are shown in normal font in the list.
Section 5. Settings and Configuration If the local PC does not have Bluetooth adapters connected, the following window will be displayed. See SECTION 7.5 (0x11) BTStackError (p. 7-4) for more information. 5.2 Device Settings Settings for the HydroSense II can only be accessed when a Bluetooth connection has been established. Click the Settings button in the main toolbar. The software will first download the settings from the device.
Section 5. Settings and Configuration Then the Device Settings Window will be displayed. The device settings shown in the window will depend on the current version of the operating system. The settings in the preceding figure are for the first released version of the HydroSense II display operating system.
Section 5. Settings and Configuration Move the pointer over the labels at the left of the screen to see more information about each setting. Change settings using the list boxes and sliders. The Apply button will be disabled until a setting is changed. Press Apply to save the settings to the HydroSense II. After pressing Apply, the main window will show the settings file being uploaded to the HydroSense II. 5.2.
Section 5. Settings and Configuration Open the Device Settings window, then click the Save button. Choose a location on the local PC to save the settings in an .xml file, then click Save.
Section 5. Settings and Configuration 5.2.2 Loading Settings Open the Device Settings window, then click the Load button. Browse to the location of the settings .xml file on the local computer and click Open.
Section 5. Settings and Configuration The window will be updated with the saved settings. Press the Apply button to update the HydroSense II display with these settings. 5.3 Measurement Colors HydroSense II Support Software provides three ways to visualize data: Data tab, Chart tab and Map tab. In each tab, colors are used to represent the value of volumetric water content (VWC) from a measurement. 5.3.1 Data Tab The background of each data record is colored based on the VWC measured at that point. 5.3.
Section 5. Settings and Configuration 5.3.4 Changing Measurement Colors The default rules for deciding on the measurement color are shown in TABLE 5-1. Default Measurement Colors. TABLE 5-1. Default Measurement Colors Moisture Range Color 0% < Moisture < 10% Red 10% < Moisture < 20% Light Red 20% < Moisture < 30% Orange 30% < Moisture < 40% Light Green 40% < Moisture < 50% Green These color levels can be customized. Click the Options menu in the main window, and choose Reading Colors.
Section 5. Settings and Configuration The window contains six edit boxes and five color buttons. Each color button is positioned between two edit boxes. The values in the edit boxes represent the upper and lower VWC limits for the reading color shown on the color button between them. In the default configuration, the color RED is positioned between the values 0 and 10. This means that measurements between 0% and 10% VWC are assigned the color RED.
Section 5. Settings and Configuration To change the colors displayed, click the desired color button to open a selection dialog box. Click one of the colors in the selection dialog box. The dialog box will close, and the selected color button will update its background to the selected color. To close the dialog box without making a selection, click anywhere else in the Reading Colors window.
Section 5. Settings and Configuration At the right of the Reading Colors window is a sample chart background. This sample background updates automatically when changes are made to the values and colors on the left. It shows the background to be used for the Chart tab given the current selections. Press the Reset to Defaults button to revert the reading colors to the factory default selections (shown in the preceding figures). Press the Close button to save changes and return to the main window.
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Section 6. Terms 6.1 Bluetooth Adapter The Bluetooth adapter is a hardware device connected to the local PC that transmits and receives radio signals required for Bluetooth communications. On desktop computers, the adapter is usually a USB device that connects to a USB port on the computer. If the HydroSense II Support Software is reporting a BTStackError, check that the USB device is firmly inserted into a USB port on the PC.
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Section 7. Error Codes 7.1 Reporting an Error The following information is required when reporting an error code to Campbell Scientific. 1) Error Code For example: BTStackError (0x11) To find out more information on a particular error code, prompt an infotip by pausing the pointer over the error, or click More Info. 2) Steps to Reproduce the Error For example: 1. Pressed the Discover button to discover the HydroSense II. 2. Selected the HydroSense II device from the list. 3. Pressed Connect. 4.
Section 7. Error Codes These logs are located in the working directory of the software which can be opened from the options menu in the main window. The working directory contains three folders; data, logs and xml. The data folder contains records and zones downloaded from each HydroSense II stored in a raw binary format. These files can only be opened by the HydroSense II software. Use the Export to CSV option in the Data View to view records in Excel.
Section 7. Error Codes 7.3 (0x01) UserAbort User aborted the operation. This error is shown when a connection or synchronization attempt is cancelled by clicking the Cancel button. This error does not normally indicate a problem with communications; however, if it is displayed without the Cancel button being pressed, and it prevents normal operation of the software, please contact Campbell Scientific. 7.4 (0x10) BTUnkownError An unknown error has occurred during Bluetooth communications.
Section 7. Error Codes 7.5 (0x11) BTStackError No supported Bluetooth stack found on this computer. The software did not find a compatible Bluetooth stack on the local PC. This will usually occur on a desktop machine where the Bluetooth adapter has not been connected or on a laptop where Bluetooth has been disabled. First, check that the Bluetooth adapter is connected via a USB port, or that Bluetooth has been enabled if using a laptop.
Section 7. Error Codes Try the following steps to rectify the issue: NOTE Make sure the HydroSense II is powered on. Check that the display is on and responsive. Make sure that the HydroSense II is within range of the PC. The maximum distance that the display can be situated away from the PC depends on the class of the Bluetooth adapter used by the PC, as shown in TABLE 7-1. Bluetooth Transmission Distance (p. 7-5). TABLE 7-1.
Section 7. Error Codes 7.7 (0x21) HydrocolNoResponse Did not receive a response from the HydroSense II. The software did not receive a response to a request sent via Bluetooth. This means that the Bluetooth connection was successfully connected, but communications after the initial connection failed. Failure may be caused by: • Another device in the area is accepting Bluetooth connections with a name beginning with the letters "HYD".
Section 7. Error Codes 7.9 (0x25) InvalidPacket Invalid packet received. The software has received a response from the remote that is either the wrong length or has an incorrect format. This can be caused by an older version of the software communicating with a device with new firmware. Please visit www.campbellsci.com to check whether an updated software version is available. The error can also be caused by a weak Bluetooth connection with the remote device.
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Section 8. WARNING Operating System Updater Sending an operating system to the HydroSense II will permanently delete all measurements and zones saved on the device. Please ensure that the HydroSense II is synchronized with the PC software before sending a new operating system. This will save all of the HydroSense II’s data points and zones on to the PC. The software includes a facility to update the operating system on the HydroSense II.
Section 8. Operating System Updater 8.1 Bluetooth Provider The facility uses Bluetooth to transfer a new operating system to a HydroSense II display. The Bluetooth provider used is shown in the upper portion of screen. A Bluetooth provider refers to either a USB dongle or a built-in USB chip in a laptop. If no Bluetooth provider is found, the following screen will be displayed. Make sure that Bluetooth is enabled on the local PC.
Section 8. Operating System Updater 8.2 Discovering the Device To send an operating system to the device, it must be powered on in “boot loader” mode. The procedure to do so is as follows: • Make sure the HydroSense II is turned off • Press and hold the up arrow button • With the up arrow still depressed, press and hold the power button for two seconds The HydroSense II will power on in “boot loader” mode and flash the LCD display. The device will remain in this mode for two minutes.
Section 8. Operating System Updater 8.3 Sending an Operating System Select the device, and then press the Send Firmware button. Before choosing a firmware to send to the device, a warning dialog is shown as below: Ensure that all data points and zones on the device have been synchronized with the PC software before continuing. Press Cancel to return to the Operating System Updater and cancel the send operation.
Section 8. Operating System Updater PC software can be re-uploaded to the device by performing synchronization with the device immediately after the update is completed. A file browser will open allowing you to select the new operating system. When a new operating system becomes available, it will be listed at www.campbellsci.com/downloads. It is this file that should be selected in the file browser. Click the Open button to begin the transfer.
Section 8. Operating System Updater The device will first erase the old operating system. This process takes about 30 seconds to complete. When the old operating system is erased, the facility will transfer the new operating system to the device. This process takes about 90 seconds to complete. A progress bar reports the transfer progress.
Section 8. Operating System Updater If there is a Bluetooth error while transferring the operating system, the error will be shown below the progress bar. The HydroSense II will turn off, and the operating system transfer will fail. At this point, the HydroSense II will not power normally on as it has an incomplete operating system. The device can still be powered on in “boot loader” mode. In event of an error, repeat the operating system transfer procedure.
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Campbell Scientific Companies Campbell Scientific, Inc. (CSI) 815 West 1800 North Logan, Utah 84321 UNITED STATES www.campbellsci.com • info@campbellsci.com Campbell Scientific Africa Pty. Ltd. (CSAf) PO Box 2450 Somerset West 7129 SOUTH AFRICA www.csafrica.co.za • cleroux@csafrica.co.za Campbell Scientific Australia Pty. Ltd. (CSA) PO Box 8108 Garbutt Post Shop QLD 4814 AUSTRALIA www.campbellsci.com.au • info@campbellsci.com.au Campbell Scientific do Brazil Ltda.
