Page 56 Table 1. Page 57 The sample had painted markings, of light to medium thickness, on the surface, as well as light rust. Note the change in titanium, zinc and cobalt levels after surface grinding. Page 58 If a sample's surface contains lubricants or cutting oil, use a solvent and a clean towel or rag to remove them before analysis.
You may then need to grind the surface to insure good results. Clean first, grind second, test last. Page 60 There are three types of connections: metal snap-on, plastic twist and plastic snap-on.
Page 61 Next, attach the appropriate sanding disc. The method of attachment will vary depending upon the type of fastener on the sanding disc snap-on or twist connectors.
Reinstall the battery and prepare for use. Attaching the Sanding Disc 1 Figure 4. Page 63 Grinding stones are not to be used for XRF sample preparation.
A rubber backup pad and a retaining nut are needed to use with sanding discs. See picture below. Page 64 In the US, sanding discs are 4. The surface abrasive can be one of the following materials: aluminum oxide, silicon carbide or zirconia alumina.
The selection of sanding discs is covered in the next section. Page 65 Aluminum from the aluminum oxide disc imbeds itself in the surface of the steel sample and an XRF would show an unusually high aluminum concentration.
Note Using the soil grinder may artificially increase the amount of Fe in soil samples. Page Sample Preparation e. A supply of cups and films are included. Page 70 Set the cup on a flat surface film-window-side down. Fill it with at least five grams of the prepared sample, making sure that no voids or uneven layers.
The end of the pestle makes a convenient tamper. Page 71 Place a label on teh cup. Using a pen with indelible ink, write identifying information on the cup. Keep a record of the sample designation, the site and location, the date of the sample, and any other relevant comments. Cup is ready for testing. The sample is cooled in a dedicator and loss on ignition LOD is calculated from weight difference before and after Calcination.
The Beep Two Time editor will open. Clear the current number of seconds with the "C" button, then select the E button to enter the information. Select the Reset button to reset the settings to the previously saved state. Select the Close button to exit the screen without saving. The default Minimum Test Time is set to 60 seconds. Page Virtual Keyboard Generally, selecting the keys on the Virtual Keyboard will type the corresponding character into the field.
Page 77 Shift is the Shift Key. Selecting this key will bring up the alternate, shifted keyboard. See Figure B. Selecting the Shift Key on the shifted keyboard will bring up the normal keyboard. See Figure A. Page 78 Enter Enter is the Enter Key. Selecting this key will return you to the normal screen, replacing the former contents of the field with the changes you have made. Page Setting Display Units That's why it's important to use the most appropriate sigma value for the test.
By adjusting the sigma value for each type of test, you can optimize the process for your needs. Page 80 Figure Selecting the Sigma Value When you have changed the sigma values to the appropriate number, select the Close button to save these settings for use. Selecting an empty checkbox will enable that range and place a check into the box as an indicator. Selecting a checked box will disable the Range and clear the box.
The clock is a 24 hour clock, so add 12 to PM hours - i. Page 84 Figure Month Drop Down Menu Select the month you want from the drop down menu, using the vertical slider button to display hidden months. The display will change to show the month you selected. Page 85 Figure Changing the Year Select the year you want from the drop down menu, using the vertical slider button to display hidden years. The display will change to show the year you selected. Page 86 To change the date, select the date you want from the Date Selection Screen.
The date you selected will be highlighted in red, while the old date will be shown in red numbers. Figure Page 87 To change the minute, select the minute numbers. The minute numbers will be highlighted in gray.
Then select the Upwards Pointing Chevron Button to increment increase the minute, or the Downward Pointing Chevron Button to decrement decrease the minute. Page 88 Date and Time will be saved. The display will return to the previous screen and the Date and Time will not be saved. Page Calibrating The Touch Screen 7. Tap on the cross once more, and you will be presented with a Confirmation Screen. Select the Yes Button to confirm that the parameters are good.
Select the No Button to start the process again. Page 90 Figure Page Chapter 6 Data Management Figure When the View Data icon is selected, the Results screen of your most recent test is shown on the Touch Screen. Selecting the Sort Button again toggles the sort order to Low-to-High. To return to the Standard Sort, select the Sort Button a third time. Page 93 Error Sorts Error sorts are performed based on the size of the error in the reading, i. Selecting Spectra will show a graphed spectrum of this reading, called SpectraView.
SpectraView can be a useful tool for rapid, qualitative analysis of a sample. See Viewing the Spectrum for details. Page 96 Figure Delineating the Area of Interest Select the FIT button in the upper right hand corner of the Spectrum to fit the area of interest to the display area. Page 97 Use the left button on the 4-way touch pad to expand the spectrum, centered on the position of the cursor.
Use the right button on the 4-way touch pad to contract the spectrum, centered on the position of the cursor. This will generate an error requiring a system reset, and may corrupt your stored readings, requiring all stored readings to be erased. Selecting the Yes Button will erase all test reading data from your analyzer.
Selecting the No Button will return you to the Erase Menu. Selecting the Yes Button will erase all fingerprint data from your analyzer. Page Managing Libraries Management Menu allows you to view and modify data in the Primary Library as well as the currently loaded alternate libraries. Just select the library you wish to view or editfrom the list on screen.
Page The entries in the Grade Library serve as a reference for chemistry based analysis. Page Element Specification Screen and enter the specification of the alloy. Del Button Selecting the Del Button will delete the currently selected alloy.
First a confirmation screen appears. Page Selecting the Save button will save the current Library. Close Button Selecting the Close button will close the current Library without saving it. Page This is the lowest amount of the element in question you want to be in the alloy. If the element in the analyzed sample is any lower, the sample will not be recognized as this alloy. Selecting the element minimum will open the Minimum Editor.
Page This is the highest amount of the element in question you want to be in the alloy. If the element in the analyzed sample is any higher, the sample will not be recognized as this alloy. Selecting the element maximum will open the Maximum Editor. The driver is located on this disk. Page Connectivity 2. Page 4. Plug in instrument using the USB cable provided 5. Page Connectivity 8. Page Connectivity 9. Page Connectivity A Security Dialog Box will appear.
Driver will install; close out. See Setting up Bluetooth to set up Bluetooth. Select the Bluetooth icon from the System Screen to set up your analyzer for Bluetooth wireless connection. Page Information Screen. The Bluetooth Information Screen will supply the current name as well as the MAC address of your analyzer Search Button Selecting the Search Button will initiate a search for currently available Bluetooth devices in the area.
Your analyzer's screen will show connection progress. Connecting Via Bluetooth Open the program you are attempting to connect to. Page Select a located Bluetooth device from the Search List, then select the Connect Button to connect to that device.
Page XRF Analyzer. Upon initial installation, insert the NDT disk located behind the foam in your case. Follow the prompts and install the USB driver located on the disk. Page Downloading Data 4. Click the Download button. The Download dialog box will open. The Download Button 5. In the Download dialog box, Select the Test button to test the serial connection to the Analyzer. Page Figure The Connect Button 8. Click the Query Readings button. This will return a list of all current readings on your analyzer.
The list appears in the large white box in the Download dialog box. Page Click the boxes on the left to select or de-select all the readings of a specific type.
You can also use the Shift-Click method of selecting a range of readings as described above. Characters such as the " " sign will cause an error. Page Connectivity Downloading Data Figure The Download Button When the progress bar shows that all the readings are downloaded, click the Done button. Page Reading will be skipped.
Page By clicking on the checkbox box labeled "Save the readings to CSV file as well" you can enable simultaneously saving the data as a standard CSV Comma Separated Value file for use with other programs. Configure Connection Settings Clicking this icon will allow you to change your configuration settings. Connect Clicking this icon will attempt to establish a connection between your computer and your analyzer. Page Selecting the down arrow in the "Connect Using" field will display the various Com Ports on the computer that the analyzer can connect through.
The virtual interface operates exactly as the analyzer would. Selecting the buttons, icons and menus with your mouse works exactly as if you were selecting them with your finger or stylus on the real analyzer.
Page Deselecting this checkbox will save the file under the same name in the same folder every time.
The checkbox is selected when there is a check in it, and deselected when it is empty. We cover troubleshooting your analyzer by using the Specs screen. Page Do not use fingers to press window into place! Use a smooth, hard surface such as back of tweezers. Figure 6. Page This is the current Date and Time.
This is particularly important for date stamping. SW Version This is the currently loaded software version, which should be reported to Service if there is any problem. Selecting the E button will enter the current value as the reminder interval and return to the Specs Screen.
Figure 9. Page Error Messages The analyzer will auto-detect many perceived hardware problems and may display the following error messages: Figure A: None. Niton XL2 analyzers do not use film. A: Never. Leak tests are only required for analyzers with radioactive isotopes. Niton XL2 analyzers do not have radioactive isotopes. If you change this combination, please inform Thermo of the new combination if you return the unit for service.
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