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Copyright Copyright © 2010 Veriteq Instruments, Inc. All rights reserved. No copying, distribution, publication, modification, or incorporation of this document, in whole or part, is permitted for commercial purposes without the express written permission of Veriteq Instruments. Veriteq, a Vaisala company 13775 Commerce Parkway Richmond, BC V6V 2V4 Canada Trademarks Veriteq Instruments, Veriteq, and Veriteq Spectrum are trademarks of Veriteq Instruments.
Introducing Veriteq Spectrum.................................................................................................... 1 Welcome........................................................................................................................................... 2 Conventions Used in this Document ................................................................................................ 2 Understanding the Veriteq Spectrum System..........................................................
Working with Graphs................................................................................................................ 43 Displaying Existing Graph Files..................................................................................................... 44 Creating New Graph Files .............................................................................................................. 44 Inserting Logger Files................................................................................
1 Introducing Veriteq Spectrum Welcome.............................................................. 2 Conventions Used in this Document.................... 2 Understanding the Veriteq Spectrum System ...... 2 Understanding the Spectrum Window ................. 5 Using the Online User’s Guide ............................ 9 Getting Help.........................................................
Introducing Veriteq Spectrum Welcome Welcome to Veriteq Spectrum 4.0 software. Veriteq Spectrum provides recordings of temperature, humidity, and other conditions. Veriteq Spectrum software is designed to be used with SP-Series Data Loggers. With Veriteq Spectrum you can: • • • • • • • • • • • • • Create electronic records of temperature, humidity, and other conditions. Create graphs and reports from logger files. Produce detailed graph reports.
Veriteq Spectrum 4.0 User’s Guide The SP-Series Data Loggers are connected to a PC and the Spectrum software is used to configure settings such as the sampling interval. The data loggers are then placed in the area where conditions are to be monitored and they record the information. The data loggers collect the information and store it in their internal memory. Once the desired information is collected, it is transferred to a PC with Spectrum.
Introducing Veriteq Spectrum 1 Connect the data logger to the PC and configure the data logger (sample intervals, channels, start time, stop time, and so on). Data logger Serial or USB Logger cable or Digi/vNet Device 2 Place the data logger in the area you want to monitor. The data logger collects and stores the information. 3 Connect the data logger to the PC and transfer data to PC. Veriteq Spectrum creates a logger file (.spl).
Veriteq Spectrum 4.0 User’s Guide SP-Series Data Loggers Each Veriteq SP-Series Data Logger is factory-calibrated against National Institute of Standards and Technology (NIST) traceable standards. All calibration information is stored digitally in the logger’s memory. For data logger specifications, see www.veriteq.com or contact Veriteq. There are many models of SP-Series Data Loggers to choose from, including the SP-1000, SP-1400, SP-1700, SP-2000, and SP-4000.
Introducing Veriteq Spectrum Table 1: Items in the Spectrum Window Title bar Shows the name of the active Graph file Menu bar Allows access to the various software functions. Toolbar Allows quick access to the most used software functions. Graph title Shows the graph title, if you have added one. Graph plot area The Graph file is displayed here. Left-side Y-axis scale Shows the scale for the data displayed in the graph.
Veriteq Spectrum 4.0 User’s Guide Create a new blank Graph file (.spg) Open an existing Graph file (.spg) Close the Graph file Save the Graph file Save the Graph file under a different name Insert a Logger file (.spl) into an open Graph file Insert a Logger file from sGo into an open Graph file Export the Graph file Print the Graph file View a preview of the printed Graph file Change the settings on the printer Exit Spectrum software Copy contents of graph to Clipboard.
Introducing Veriteq Spectrum Using the Tool Bar The Veriteq Spectrum Toolbar allows quick access to the most commonly used features of the program. You can hide or display the toolbar by selecting View>Toolbar. The following table describes the function of each of the toolbar icons. Toolbar icon Function Creates a new Graph file you can insert Logger files into. Same as File>New. Opens an existing Graph file (.
Veriteq Spectrum 4.0 User’s Guide Prints the currently-active graph Using the Online User’s Guide Veriteq Spectrum includes an online version of this user’s guide in PDF format. To access this guide from within Veriteq Spectrum, press F1 or click the Help icon on the tool bar. Getting Help For more information about Veriteq Instruments products and services, visit our websites at www.veriteq.com and www.vaisala.com/veriteq.
Introducing Veriteq Spectrum 10
2 Installing Spectrum Software System Requirements..........................................12 Installing Spectrum Software ...............................
Installing Spectrum Software System Requirements Veriteq Spectrum Software requires a PC with the following minimum configuration: • 32-bit version of Windows® 2000. • 32-bit or x64 versions of: Windows® XP, Windows Server® 2003, Windows Vista®, Windows Server® 2008, and Windows® 7. • one available Serial or USB communication port (for transferring logger data files; you can view graphs and reports for previously transferred logger files without this port).
Veriteq Spectrum 4.0 User’s Guide 5. Accept the default Destination Folder, or click the Browse... button to select a new Destination Folder. 6. Click Next. 7. Accept the default Program Folder or select another folder from the list of Existing Folders. 8. Click Next. 9. Click Finish. Spectrum is now installed. Continue to Getting Started for information on logger configuration and using Spectrum.
Installing Spectrum Software 14
3 Getting Started Setting Up and Using Spectrum—Overview........16 Ensuring Data Loggers are Calibrated.................16 Connecting Data Loggers to PCs ........................16 Setting up PC Communication Ports ...................17 Configuring Data Loggers ....................................18 Mounting Data Loggers........................................33 Using External Temperature Probes ....................33 Caring for Relative Humidity Sensors ..................
Getting Started Setting Up and Using Spectrum—Overview The main steps in setting up and using Veriteq Spectrum are: 1. Ensure that the data loggers are calibrated. (See page 16.) 2. Connect the data loggers to the PC. (See page 16.) 3. Select a communications port. (See page 17.) 4. Configure the data logger. (See page 18.) 5. Place the data logger in the area you want to monitor and collect samples for the desired time. (See page 33.) 6. Transfer the raw data in the form of a Logger file (.spl) to the PC.
Veriteq Spectrum 4.0 User’s Guide 2. Connect the data logger to a Veriteq USB or Serial cable. 3. Attach the other end of this cable to the PC (as shown below) connecting to the USB port. To connect your data logger to a PC using a Digi or vNet device: 1. Connect Digi or vNet device (will be referred to as device, following) to power supply and Ethernet outlet. 2. Connect data logger to device (Digi requires Veriteq cable). 3. Obtain static IP address for device from your IT department.
Getting Started 2. In Spectrum, choose Tools>Options, then choose the General tab. 3. From the COM port drop-down list, select an available COM port. 4. Click OK. Once you have selected a COM port, you do not need to change the setting unless you change the communication port your loggers are connected to. Configuring Data Loggers Setting up the data logger varies slightly depending on the data logger you are using and the configuration options you prefer. To configure data loggers: 1.
Veriteq Spectrum 4.0 User’s Guide 3. The Logger Setup window opens. The information shown in the Logger Setup window relates to the data logger connected to the COM port you have specified. Some fields shown will vary depending on the model of data logger in use. You can use this window to: • Edit the data logger description. • Set the sample timing. • Enable or disable data logger channels. Any changes will affect only the data logger currently connected to the COM. 4. Click Close to close.
Getting Started Indicates the sampling status of the currently-connected data logger. The possible modes are: Logger Status • Sampling: The logger is currently taking samples and the memory is not full. • Sampling (wrapped): The logger is currently taking samples with the memory full. The oldest reading is discarded and replaced with the newest. • Stopped at specified time: The logger is not sampling and has stopped because the user-set stop time has been reached.
Veriteq Spectrum 4.0 User’s Guide Channel 2 (there can be more than 2 channels) Temperature or Relative Humidity or other measured condition. Veriteq 4000Series data loggers have several channels, each which can be configured for use with various transducers. See Configuring Channels to Work with Transducers on page 28. Click the Refresh button to update the currently displayed values. Click the Setup... button to enable and disable channels.
Getting Started Setting the Data Logger Sample Timing To set the logger sample timing: Do one of the following: • Select Logger>Sample Timing... • Select Logger>Setup, and click the Setup... button in the row for Logger Status. • Press F11 and click the Setup... button in the row for Logger Status. The Logger Sample Timing window opens. There are four main steps in setting the Logger Sample Timing: 1. Setting the Clear Mode See page 22. 2. Setting the Start Mode See page 24. 3.
Veriteq Spectrum 4.0 User’s Guide 1. Under Clear Mode, select one of the following options: Do not clear logger This is the default setting if the logger memory is not yet full. Use this setting when the logger memory is not yet full and all you want to do is change Stop mode settings without clearing the existing samples. If the logger memory is full, or if Start mode or Sample Interval changes are required, you must use the Clear logger setting to make the necessary changes.
Getting Started Setting the Start Mode The Start Mode enables you to choose how, and when the data logger starts taking samples. To set the Start Mode: 1. Under Clear Mode, select the Clear logger option. 2. Under Start Mode, select one of the following options: Start now This option sets a connected data logger to start taking samples immediately (within one sample interval) after the changes in the Logger Sample Timing window have been applied to the logger’s memory.
Veriteq Spectrum 4.0 User’s Guide If desired, use the Preset button to automatically set the start time hours and minutes to the earliest possible setting for the date selected. For any day other than the current day, this value is 12:00AM. You can use the Start at specified time option in conjunction with the Stop at specified time option to create a pre-defined data logger monitoring period.
Getting Started To set the Stop Mode: 1. Under Stop Mode, select one of the following options: Wrap when full This is the default method of collecting samples on the data logger. When you choose this setting, samples are recorded in a first in, first out manner. When the memory is full, the logger continues to take samples by discarding the oldest one, and replacing it with the newest one. The Wrap when full setting ensures that you always have the latest data when you transfer from the data logger.
Veriteq Spectrum 4.0 User’s Guide Note: You can only change sample intervals if you set the Clear Mode to the Clear logger setting (see Setting the Clear Mode on page 22). To change the sample interval on the currently-connected logger: 1. Select Logger>Sample Timing.... 2. Under Sample Interval, use the drop-down lists to set the Days, Hours, Minutes, and Seconds to the desired sample interval. If you want to use a sample interval of once per minute, click the Default button.
Getting Started To enable or disable data logger channels: 1. Do one of the following: • Select Logger>Channels... • You can also enable or disable data logger channels by selecting Logger>Setup (or pressing F11 or clicking the Logger Setup icon on the toolbar ( )). Then, in the Logger Setup window, click the Setup... button beside the channel you want to enable or disable. 2. In the window that appears, select or deselect the checkbox to enable or disable a channel. 3. Click OK.
Veriteq Spectrum 4.0 User’s Guide 3. To setup a DC Current channel: a. Ensure the Channel is enabled by selecting the Channel Enabled check box. b. If applicable, enter a new channel description. c. From Input Signal, specify the range for your transducer output. d. Under Display Units, specify the range and units to display instead of the input signal range. For example, psi instead of mA. e. To set warmup time and save transducer battery life, see Configuring Warm Up Time on page 30. 4.
Getting Started value to show as 1, indicate 1 for Above Threshold and specify the units. Boolean choices are typically 1 (above threshold) and 0 (below threshold). 5. Click OK. Configuring Warm Up Time Note: This section only applies to Veriteq SP-4000 data loggers. Some SP-4000 data loggers have the ability to switch power from an external battery onto a transducer using the Warmup Time feature, also known as the XPS excitation control switch.
Veriteq Spectrum 4.0 User’s Guide 5. For Timer Value, set the number of minutes or seconds you want the transducer to begin warming up before taking a sample. The default is 10 seconds. 6. Click OK. Configuring Data Logger Channels to Work with Thermocouples This section applies only to those using Veriteq SP-1700 Series Loggers. Veriteq SP-1700 loggers work with various types of thermocouples (E, J, K, R, S, and T). You need to configure your channel to specify the type of thermocouple you are using.
Getting Started 7. Click OK to save or cancel to close without saving. Clearing Logger Samples Clearing a logger deletes all recorded samples in a logger’s memory.
Veriteq Spectrum 4.0 User’s Guide Mounting Data Loggers Because they are small and light, you can easily mount Veriteq data loggers in the field using a variety of techniques including Velcro strips, double-sided tape, duct tape, and magnetic strips. In harsh environments, place the data logger in a standard industrially-rated enclosure, and run external sensors and probes from the enclosure using special fittings in the openings.
Getting Started 2. Attach the temperature probe to the connector on the data logger. 3. Use the Logger>Setup window to test the data logger operation (refresh the readings as required). 4. Place the logger in the desired location and start recording. Caring for Relative Humidity Sensors Each Veriteq SP-2000 data logger has a relative humidity sensor. Although the sensor has been designed to resist contamination and condensation, avoid exposing the data logger to contaminants, if possible.
4 Transferring Logger Files Transferring Data................................................. 36 Setting Transfer Preferences............................... 36 Transferring Logger Data to the PC .................... 37 Setting System Date and Time............................
Transferring Logger Files Transferring Data When you transfer data from a data logger’s memory, Spectrum creates a copy of the data and stores it on your PC as a logger file. After inserting a logger file into Spectrum, you can view the information as a graph or as a tabular report. Note: The transfer process does not affect or delete the data on the data logger. Before transferring data, you may want to set the transfer preferences.
Veriteq Spectrum 4.0 User’s Guide Option Format Serial number Eight digit logger serial number Description Description of logger Date and time yyyy-MM-dd_hh-mm, where: • • • • • Date yyyy is the year MM is the month dd is the day hh is the hour mm is the minutes yyyy-MM-dd, where: • yyyy is the year • MM is the month • dd is the day Time hh-mm, where: • hh is the hour • mm is the minutes 3. Click OK.
Transferring Logger Files This starts the communications process between the logger and the PC and opens the Transfer Wizard window. 5. Confirm that the current date and time shown in the window are correct. If the date and time are not correct, use the Windows Control Panel to update the system and time. See Setting System Date and Time on page 41. Note: The PC's date and time must be correct when setting up a data logger, or transferring logger data.
Veriteq Spectrum 4.0 User’s Guide Note: Changing the description here does not modify the description in the logger’s memory. 8. Edit or confirm the description of listed logger channels using a maximum of 12 characters. 9. Click Next. 10. Accept the default name for the Logger file or click the Browse... button to save the Logger file under a different name. 11. Click Finish. The logger transfers its data to the PC while displaying the progress of the transfer in the Transferring Samples window.
Transferring Logger Files 12. A dialog box appears, prompting you to insert the newly transferred logger file into a new graph or the active (current) graph, if one is active. Choose the appropriate radio button. 13. Click OK. 14. From the Select Channels window that appears, confirm the channels you want to display in the graph. 15. Click OK. 16. If one of the channels you want to display records relative humidity, the following window opens. Confirm the display method for the relative humidity channel.
Veriteq Spectrum 4.0 User’s Guide Setting System Date and Time To set the PC’s date and time using the Windows operating system: 1. Select Start>Control Panel, and then double-click Date/Time. 2. Reset the time to the correct values. 3. Click OK.
Transferring Logger Files 42
5 Working with Graphs Displaying Existing Graph Files........................... 44 Creating New Graph Files ................................... 44 Inserting Logger Files .......................................... 44 Inserting Multiple Logger Files ............................ 46 Scrolling Through Graphs ................................... 46 Pinpointing Graph Values and Times .................. 46 Adding Graph Titles............................................. 47 Selecting a Graph Font .................
Working with Graphs Displaying Existing Graph Files To open an existing Graph file (.spg): 1. Do one of the following: • Select File>Open. • Press CTRL+O. • Click the Open File icon on the toolbar ( ). 2. Navigate to the Graph file you want to open. 3. Click Open. The graph opens in the Spectrum window. Creating New Graph Files To create a new graph: 1. Do one of the following: • Select File>New. • Press CTRL+N. • Click on the New Graph icon on the toolbar ( ).
Veriteq Spectrum 4.0 User’s Guide The Select Channels window opens. 4. Select the channels you want to display in the graph. 5. Click OK. 6. If you are inserting a file with temperature and humidity, and the option for confirming display method for relative humidity has been set to YES, the Confirm Relative Humidity Channel window opens, prompting you to choose a display method for relative humidity a. Confirm the method for displaying values: • Relative Humidity • Dewpoint. b. Click OK.
Working with Graphs Inserting Multiple Logger Files You can insert more than one Logger file into a single Graph file. This enables you to easily compare data, and is especially useful for before-and-after studies or to check interactions of data collected from different loggers. To insert additional Logger files into a Graph file, follow the instructions in Inserting Logger Files on page 44 for each Logger file you want to insert.
Veriteq Spectrum 4.0 User’s Guide Date/time Measured readings 3. To lock the cursor in place, click the mouse or press ENTER. To remove the vertical cursor bar: 1. Do one of the following: • Select Format>Remove Cursor. • Press F8. • Right-click the graph. • Click the Remove cursor icon on the toolbar ( ). Adding Graph Titles To add a descriptive title to the currently active graph: 1. Do one of the following: • Select Format>Title...
Working with Graphs To change the graph font: 1. Select Tools>Options, then choose the General tab. 2. Click the Graph Font... button. 3. Select the desired Font, Font style, and Size. 4. Click OK. 5. If the font style and size are inappropriate, choose Restore Defaults. Zooming In Zooming allows you to look closer at a portion of the currently-displayed graph. It also enables you to eliminate extraneous data and produce a graph and a tabular printout that cover a set time period, such as 24 hours.
Veriteq Spectrum 4.0 User’s Guide 3. Either: a. Press and hold the left mouse button, and move the second cursor line to the end of the section you want to zoom in on. b. Release the mouse button and the zoomed-in area is displayed. Or: a. Press ENTER to anchor the vertical line. b. Use the arrow keys to stretch the zoom selection box. c. Press ENTER and the zoomed in area is displayed.
Working with Graphs Zooming In by Formatting the Time Scale To zoom in by formatting the time scale: 1. Do one of the following: • Select Format>Time Scale... • Place the cursor over the date and time at the bottom of the graph, and right-click, and then select Format>Time Scale... The Format Time Scale window opens.
Veriteq Spectrum 4.0 User’s Guide 2. Under Start Time, use the drop-down lists to select the start date and time that correspond to the beginning of the section of the graph you want to view in greater detail. 3. Under End Time, use the drop-down lists to select the end date and time that correspond to the end of the section of the graph you want to view in greater detail. You can also use the Preset buttons to automatically set the time to the beginning of the Calendar day chosen (12:00:00 AM). 4.
Working with Graphs 2. Select the appropriate time zone from the drop-down list. 3. Click OK. Formatting Measurement Units Veriteq Spectrum Software automatically determines Y-axes scales appropriate for any displayed graph and sets a default level of decimal place precision. If desired, you can override these settings. Specifying the Y-axis Scale To change a Y-axis scale: 1. Do one of the following: • With the Graph file you want to modify open, select Format>Units...
Veriteq Spectrum 4.0 User’s Guide Changing the Decimal Place Precision To change decimal place precision: 1. Do one of the following: • With the Graph file you want to modify open, select Format>Units... • Right-click the Y-axis units, and select Format>Units... • Double-click the Y-axis units. The Format Units window opens. 2. Under Units, use the drop-down list to select the measurement units you want to change. 3.
Working with Graphs 2. Under Temperature scale, select Fahrenheit or Celsius. This setting affects the data in all graphs, displays, and printed reports. Setting Sample Smoothing In Spectrum, sample smoothing controls how samples in a logger file are interpreted when they are inserted into a graph, allowing you to dampen the effects of ‘noise’ in Logger files.
Veriteq Spectrum 4.0 User’s Guide To set sample smoothing: 1. Select Tools>Options, then choose the Insert tab. 2. Under Sample smoothing (in raw counts), select one of the following options. Zero Produces the most responsive graph, but makes the recorded readings susceptible to noise One (default) Suitable for most applications Two Decreases input noise and produces a more stable graph 3. Click OK. Displaying Line Numbers on Graphs Spectrum displays the lines on graphs in different colors.
Working with Graphs To display numbers on the graph lines: 1. Select Tools>Options, then choose the General tab. 2. Under Line numbers on displayed graphs, select Enabled. 3. Click OK. Copying and Pasting Graphs Spectrum allows you to copy graphs into the Clipboard for pasting into other applications, such as Microsoft Word. To copy graph data: 1. From Spectrum, choose Edit>Copy. 2. Go to the application you want to paste the graph image into. In this application, choose Edit>Paste.
Veriteq Spectrum 4.0 User’s Guide To export graph data to .txt or .csv files: 1. By default, date and time are exported in a single column. To have date and time exported into separate columns: a. Select Tools>Options, then choose the Export tab. b. Select the Export the date and time in separate columns option. c. Click OK 2. To export the file, choose File>Export.... The File Save As window opens. 3. Navigate to the location where you want to save the file. 4.
Working with Graphs Saving Graphs To save changes to a graph file (.spg) for later use: 1. Choose File>Save or File>Save As. 2. Navigate to the location to save your file, enter a file name, and click Save. To export graph data, use File Export and see Exporting Graph Data on page 56. Printing Graphs Printing Line Numbers on Graphs Spectrum displays lines on graphs in different colors.
Veriteq Spectrum 4.0 User’s Guide 3. Click OK. Print Preview To view a print preview of the current graph: 1. Select File>Print Preview. The Print Preview window opens. 2. If you want to view the graph in more detail, select Zoom In. 3. When you are ready to print the file, select Print.... Printing Graphs To print a currently-active graph: 1. Do one of the following: • Click the Print Graph icon on the toolbar ( ), which sends the graph immediately to the printer. (Skip steps 2 &3).
Working with Graphs 60
6 Viewing Reports and Statistics Working with Reports .......................................... 62 Copying and Pasting Report Data ....................... 63 Saving Reports .................................................... 63 Printing Reports...................................................
Viewing Reports and Statistics Working with Reports Reports display logger file information in a tabular format. You must have at least one file inserted in Spectrum to view a report. To insert a file, see Inserting Logger Files on page 44. To view a report for the currently-active graph: 1. Do one of the following: • • • • Select View>Report. Press F6. Right-click anywhere on the graph and select View Report. Double-click anywhere on the graph. 2.
Veriteq Spectrum 4.0 User’s Guide 2. From the Report tab, on the Printer font size box, select an option from the drop-down list, or type the desired font size. 3. Click OK. Copying and Pasting Report Data You can copy report data from all Spectrum Reports for use in other applications, such as Microsoft Word or Microsoft Excel. To copy report data: 1. From Spectrum, choose the report to view from the View menu. 2. From the report window, choose Edit>Select All. 3.
Viewing Reports and Statistics Saving Reports To save report data: 1. From the report window, choose File>Save As. 2. Navigate to the location where you want to save the file. 3. In the File name box, type the desired file name. 4. In the Save as type box, choose one of the following file types for your file: • CSV (comma-separated values)(.csv) • Text (Comma delimited)(*.txt) • Plain text (*.txt).
7 Troubleshooting Serial Port Problems................................. 66 Frequently Asked Questions.....................
Troubleshooting Serial Port Problems If you are experiencing difficulties communicating with Veriteq data loggers, here are some tips and things to try before calling Veriteq Instruments. Software Error Messages you May Encounter… Unable to allocate COM port because it is busy This error message means that Spectrum was unable to allocate the COM port because it was already allocated by a different program. You may have to wait until the COM port becomes available.
Veriteq Spectrum 4.0 User’s Guide stored in the data logger. Ensure you are using a data logger supported by Spectrum. Unable to create logger file This error message is generated when Spectrum attempts to create a logger file on a disk and an error occurs. Some possible reasons include: • The disk is full. • The user does not have write access to the disk. Ensure the user has write permission to the folder where the logger file is being saved. • The file is already open by a different program. Close it.
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8 Glossary A– B..................................................................... 70 C–E ..................................................................... 70 F–K ..................................................................... 70 L–Q ..................................................................... 70 R–T ..................................................................... 71 U–Z .....................................................................
Glossary A– B Ambient temperature The average or mean temperature of the surrounding air that comes in contact with the equipment or instrument. Axis A line that borders one side of the graph area, providing a frame of reference for measurement or comparison. In Spectrum software, measurement values are plotted on the vertical Y-axis while date and time values are plotted on the horizontal X-axis. C–E Calibrate To compare and correlate readings against a standard measurement.
Veriteq Spectrum 4.0 User’s Guide Logger file A file that is created after transferring a logger’s data to the PC. The file contains the collected readings (from all active channels) for the transferred logger, including the logger’s description, model number, serial number, firmware version number, file description, Local time, and UTC (Universal Time Coordinated) time. Logger files are identified by their .spl extension (for example, PRIMARY_GAS_FLOW.spl).
Glossary Transfer The term used when the software makes a copy of the data contained in a connected data logger. The transfer process creates a file on the PC but does not affect or delete the data on the logger. Other terms commonly used to describe the transfer process are download, upload, backup, or copy. U–Z USB An acronym for Universal Serial Bus, a standard for connecting external devices such as a mouse, keyboard, scanner, printer.
Veriteq Spectrum 4.
Index daylight savings 67 description 19, 21 disabling channels 27 logger file filenames 36 models 5, 19 mounting 33 mounting tips 33 operation when full 25 recording data 26 recording time 70 sample intervals 26 sample timing 22 sampling 20 serial numbers 19 setup 18 status 20 transferring data 16, 37 ventilation 33 wrapping data 26 M minimum requirements 12 models, loggers 5 modes clear mode 22 start 23, 24 stop 20, 23 stop mode 25 mounting data loggers 33 N requirements 12 S sample intervals 20, 26,
Veriteq Spectrum 4.
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