1.1.3 / June 15, 2018
(4.1/5) (Learn More</a></div>)
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Description

This unit is a microcomputer controlled data acquisition system.Itis intended for time domain EM surveys An Android 7" tablet isuseduser interface and data logger. The TDEM-20BT application willonlyfunction with this hardware. Graphic area This is the main areaonthe screen where the decay curve is shown graphically. Gatestartand end position shown with blue ticks. Current GPScoordinates Thebottom left (green) panel is used to display thecurrent GPS data,if available. General Info This panel (gray) isused to displayprompts, warnings and general info. START After allthe parametershave been set up, use this button to start a reading.READ Use thisbutton to retrieve data from the data logger. Datawill be shown inGraphic screen. LOAD Load a file from internalstorage to display.SAVE After the data logger has completed thestacking process, usethis button to save the data to internalstorage Export Data can beexported in CSV format for use in aspreadsheet or to Amira formatto be used in modeling of the data.File Name Use the area to theright of File Name to enter new filenames. TX coil size Use thespinner option to select the coil sizeused. TX coil turns Use thespinner option to select the number ofturn in the transmittercoil. TX pulse Use the spinner option toselect the transmitterpulse width to be used. Coil Spacing Use thespinner option toselect the coil spacing that will be used (centreto centre of TXand RX coil Stacks Use the spinner to select thenumber of timesthe transmitter will be pulsing the TX coil DelayUse the spinneroption to select the delay to be used beforesampling of thereceived signal starts. RX sample rate The receivedsignal isdigitized at a fixed rate for 800 samples. This optionsets thetime between samples RX gain Use the spinner option toselect thepreamplifier gain to be used. BT Connect Before startingto takereadings communications between the Tablet and the Datalogger mustbe set up. GPS The coordinates of the station will beincorporatedin the data file if GPS use is enabled with thisfunction. SS Whenfield data is being displayed a screen shot can bemade by pressingthis button. RXbat%= For each station the batteryvoltage of thereceiver and the transmitter will be retrieved fromthe datalogger, the Receiver battery status is displayed here as a% offull capacity. TXbat%= For each station the battery voltage ofthereceiver and the transmitter will be retrieved from thedatalogger, the Transmitter battery status is displayed here as a %offull capacity. Scale Mod When the signal is small, in late time,itcan be enlarged with this spinner option to get a better ideaofnoise levels.

App Information TDEM-20BT

  • App Name
    TDEM-20BT
  • Package Name
    dbarlow.tdem
  • Updated
    June 15, 2018
  • File Size
    693k
  • Requires Android
    Android 2.0 and up
  • Version
    1.1.3
  • Developer
    D Barlow
  • Installs
    5+
  • Price
    Free
  • Category
    Productivity
  • Developer
    P O Box 525 Faerie Glen 0043 South Africa
  • Google Play Link

D Barlow Show More...

DBU-2BT 1.4.1 APK
D Barlow
DMU-2BT program This is the application that runs on the tablet toperform a data logger action. Readings obtained by the DMU datalogger are shown graphically by the application and can be saved topermanent storage, to be used later. Graphic Screen This is themain window where data is shown in graphic format. . Current GPSData When valid GPS data is available it will be displayed in thiswindow General Info This window is used to display general info,warnings and results. Station Number The current station number isdisplayed here. Reading value The reading taken at the currentstation or the station selected on the graph with the cursor isdisplayed in this window. Maximum value in line The maximum valueof the displayed line data is shown here. Battery level The batterylevel of the DMU data logger is read each time a station reading istaken and displayed as a % of maximum level. GPS enable If a GPSfix cannot be obtained, the GPS should be disabled by clicking onthis button. Save Data Use this button to save current data in afile with the filename shown in the File Name window. Load Data Usethis button to load current data in a file with the filename shownin the File Name window. Start Line The Start Line button is usedto begin a new line of readings. End Line When the line has beenterminated with the STOP button on the DMU data logger then usethis button to end data acquisition on the tablet. File Name Entera file name in this window to load or save data to Tablet storagePlot Scale The vertical plot scale on the screen can be changedwith this setting. Average Pulse The number of readings used toobtain a station reading can be set with this option StationSpacing The distance between stations can be set with this option.BT Connect Before readings can be taken a Blue Tooth connectionmust be set up between the Tablet and the DMU data logger READAfter a new line have been started with the Start Line button, afile name must be entered in the File Name block:- Then press READto send a command to the DMU data logger to start taking readings.
FDEM-8BT 2.3.3 APK
D Barlow
This is custom software for use with a FDEM-8BT instrument, meantfor a 7 inch Android tablet with a screen resolution of 1024X600,other screen sizes are not currently supported. Graphic area Thisis the main area on the screen where the eight frequencies areshown graphically. Each frequency is drawn to its own scale. Thehighest frequency is at the top of the screen and the lowestfrequency is at the bottom. Tap and slide finger in this area todisplay the station number and distance from start of line inGeneral Info area. Save File This button is used to save the fielddata to internal storage on the tablet, a file name must beprovided before using this option. Load File This button is used toload the field data from internal storage on the tablet, a filename must be provided before using this option. START Line To starta new line/file: set up the data logger and coils in the correctconfiguration, then press START Line. Enter File Name whenprompted. Export Data FDEM data files can be exported to Surfer orPCFDEM format data file using this option. Surfer files can beviewed on the tablet using 3DSurface app. Coil Spacing Beforestarting a new line, select the coil spacing that will be used,using this option. Tap the area showing a new scroll panel willopen in the graphic area scroll to the value to be used and selectusing the button on the right. Station Spacing Before starting anew line, select the station spacing that will be used, using thisoption. Tap the area now showing a new scroll panel will open inthe graphic area, scroll to the value to be used and select usingthe button on the right. File Name Use the area to the right ofFile Name to enter new file names. Tap the input area and use thekeyboard to input a new name and tap DONE when done. File namesmust the format "name" not "name.dat", the program will add the".dat" suffix. Join two Lines After lines have been completed, twolines can be joined to form one line using this option. Export TypeUse the spinner to select either Surfer or PCFDEM file format. PlotValues Amplitude Select this option before loading a file todisplay the Amplitude plot. Phase Select this option before loadinga file to display the Phase plot. Station Number The currentStation number will be displayed here when busy with a survey.START Use this button initiate a reading at a new station. READWhen the data logger have completed the station's readings twobeeps will sound and the BTC LED will come on. Then tap READ toretrieve the data from the logger.. BT Before starting to takereadings communications between the Tablet and the Data logger mustbe setup. Press BT and choose the device named HC-05 to link to.GPS The coordinates of the first and last stations will beincorporated in the data file if GPS use is enabled with thisfunction. RXbat%= For each station the battery voltage of thereceiver and the transmitter will be retrieved from the datalogger, the Receiver battery status is displayed here as a % offull capacity. TXbat%= Transmitter battery status is displayed hereas a % of full capacity Current GPS coordinates The bottom leftpanel is used to display the current GPS data, if available.General Info This panel is used to display prompts, warnings andgeneral info.
ESU-4BT 3.1.2 APK
D Barlow
Load File Enter a valid file name in the window next to File Nameand press Load FileSave File When you have made a measurement,enter a valid file name in the window next to File Name and pressSave FileStart ESU When you ready to make a measurement, the BTCLED must be ON then press Start ESU button, this will send thestart command to the ESU to make a new measurementGet ESU Data Oncethe measurement is completed, the ESU will give three beeps and theBTC LED will come on, then press Get ESU Data to download data fromESU to tabletSample Rate The sample rate that the ESU will use isset using this function. Tap the down arrow on the right. Ascrollable list will open on the graphics area. Tap the radiobutton for the sample speed you want to useStack Shots The numberof stacks to be made is selected in the same way as the SampleRate.Line Number If you would like to group measurements togetherto form a line: a Line Number can be assigned to the measurementwith this setting.File Name When you want to perform an operationthat use a File Name, enter a valid file name in the window.SpeedThe column of windows below the Speed header contains the seismicspeed that will be used to calculate depth for each instance pickedon the trace.Depth The column of windows below the Depth headerwill show the depth from surface to the point picked.Layer Thelayer that will be used is set using this function. Tap the downarrow on the right. A scrollable list will open on the graphicsarea. Tap the radio button for the layer you want to use. Alwaysstart at layer 1 and work deeper from there. Scale When a trace isbeing displayed this option can be used to enlarge the trace in thevertical axis
TDEM-20BT 1.1.3 APK
D Barlow
This unit is a microcomputer controlled data acquisition system.Itis intended for time domain EM surveys An Android 7" tablet isuseduser interface and data logger. The TDEM-20BT application willonlyfunction with this hardware. Graphic area This is the main areaonthe screen where the decay curve is shown graphically. Gatestartand end position shown with blue ticks. Current GPScoordinates Thebottom left (green) panel is used to display thecurrent GPS data,if available. General Info This panel (gray) isused to displayprompts, warnings and general info. START After allthe parametershave been set up, use this button to start a reading.READ Use thisbutton to retrieve data from the data logger. Datawill be shown inGraphic screen. LOAD Load a file from internalstorage to display.SAVE After the data logger has completed thestacking process, usethis button to save the data to internalstorage Export Data can beexported in CSV format for use in aspreadsheet or to Amira formatto be used in modeling of the data.File Name Use the area to theright of File Name to enter new filenames. TX coil size Use thespinner option to select the coil sizeused. TX coil turns Use thespinner option to select the number ofturn in the transmittercoil. TX pulse Use the spinner option toselect the transmitterpulse width to be used. Coil Spacing Use thespinner option toselect the coil spacing that will be used (centreto centre of TXand RX coil Stacks Use the spinner to select thenumber of timesthe transmitter will be pulsing the TX coil DelayUse the spinneroption to select the delay to be used beforesampling of thereceived signal starts. RX sample rate The receivedsignal isdigitized at a fixed rate for 800 samples. This optionsets thetime between samples RX gain Use the spinner option toselect thepreamplifier gain to be used. BT Connect Before startingto takereadings communications between the Tablet and the Datalogger mustbe set up. GPS The coordinates of the station will beincorporatedin the data file if GPS use is enabled with thisfunction. SS Whenfield data is being displayed a screen shot can bemade by pressingthis button. RXbat%= For each station the batteryvoltage of thereceiver and the transmitter will be retrieved fromthe datalogger, the Receiver battery status is displayed here as a% offull capacity. TXbat%= For each station the battery voltage ofthereceiver and the transmitter will be retrieved from thedatalogger, the Transmitter battery status is displayed here as a %offull capacity. Scale Mod When the signal is small, in late time,itcan be enlarged with this spinner option to get a better ideaofnoise levels.
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