DeFelsko PosiTector SST User Manual
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DeFelsko PosiTector SST User Manual

Soluble salt tester (sst)
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Summary of Contents for DeFelsko PosiTector SST

  • Page 2: Table Of Contents

    Table of Contents Introduction…………………………………………….….….. Page 1 Basic Operation………..……………………………………… Page 1 Menu Operation………..……………………………………… Page 2 Probes……………………………………………………...…… Page 2 How to Measure……………….………………………….…… Page 3 Patch Removal………………………………………………… Page 5 Rinsing the Test Cell…………………………………………… Page 6 Why is Measurement Important?.……………………….…… Page 6 Calibration, Verification and Adjustment……………….…… Page 7 Setup Menu………………………….…………………….……...

  • Page 3: Introduction

    It is also reusable, and a single PosiPatch can be used for multiple tests. The PosiTector SST can be used as a conventional conductivity meter making it ideal for testing abrasive materials in accordance with ISO 11127-6 and ASTM D4940-15.

  • Page 4: Menu Operation

    Shore hardness durometer and ultrasonic wall thickness probes. See www.defelsko.com/probes PosiTector SST probes consist of a purpose-built test cell, optimized for the range, resolution and test volume of the Bresle Method. Conductivity measurements are compensated to 25°C (77°F) using a built-in temperature sensor, and the sample temperature is recorded for each measurement.

  • Page 5: How To Measure

    How To Measure Test Preparation: Use deionized (DI) water to thoroughly clean the PosiTector SST test cell, test cup, syringe and PosiPatch (if used in test). All test materials should be handled in a manner that minimizes the potential for contamination.
  • Page 6 PosiPatch. Option B: Bresle Method DeFelsko Patch (or equivalent) a) Remove the backing and foam center from the patch, taking care not to touch the interior surface.

  • Page 7: Patch Removal

    After the desired amount of time has elapsed, withdraw the solution from the patch. d) To complete the measurement, completely fill the PosiTector SST probe’s test cell with the solution from the patch. Wait until the measurement stabilizes (up to 5 seconds), then press ) of the solution.

  • Page 8: Rinsing The Test Cell

    Protective Cap PosiTector SST probe is shipped with a protective cap over the probe. Remove this cap prior to use. Replace the cap to protect the indentor and presser foot when not in use. Wrist Strap We recommend attaching and wearing the supplied wrist strap.

  • Page 9: Calibration, Verification And Adjustment

    Calibration, Verification and Adjustment Three steps ensure best accuracy… 1. Calibration - typically performed by the manufacturer. All probes include a Certificate of Calibration. 2. Verification of Accuracy - typically performed by the user by measuring known reference standards such as the supplied conductivity standard. 3.

  • Page 10: Setup Menu

    Setup Menu Units Allows the operator to change the displayed units for both Temperature (°C or °F) and Surface Density (mg/m or µg/cm Reset Reset (menu Reset) restores factory settings and returns the Gage to a known condition. The following occurs: All batches, stored measurements, batch names and screen captures are erased.

  • Page 11: Cal Adjust

    Cal Adjust (Calibration Adjustment) The PosiTector SST can be adjusted to a known conductivity standard. Use the (-)(+) buttons to decrease/increase the displayed value to match the known conductivity of the standard. NOTE: In typical use, a calibration adjustment should not be required. Before performing the adjustment, ensure that the PosiTector SST test cell has been thoroughly cleaned with DI water.

  • Page 12: Memory Management

    Gage does not match the selected battery type. Memory Management The PosiTector SST has internal memory storage for recording measurement data. Stored measurements can be reviewed on- screen or accessed via computers, tablets and smart phones.
  • Page 13 Open Select a previously created batch name to open and make current. If it contains measurements, on-screen statistics will immediately reflect values calculated from this batch. The calibration setting (i.e. Cal 2) associated with this batch is also opened. Close Stops the recording process, closes the current batch and removes the statistics from the display.

  • Page 14: Accessing Stored Measurement Data

    Accessing Stored Measurement Data DeFelsko offers the following free solutions for viewing, analyzing and reporting data: PosiSoft USB Drive - Connect the Gage to a PC/Mac using the supplied USB cable. View and print readings and graphs using universal PC/Mac web browsers or file explorers. No software or internet connection required.

  • Page 15: Connect Menu

    WiFi Allows connection to your local wireless network or mobile hot spot. Ideal for using your network’s internet connection for synchronizing stored measurements with PosiSoft.net (pg.12). www.defelsko.com/wifi Enabled Turns WiFi functionality ON. When selected, the icon will appear on the display. To deactivate WiFi, uncheck the Enable box.

  • Page 16: Usb

    Information Gage displays information about the local WiFi network connection including... • SSID: the network’s name • State: displays if the Gage is connected to the network or not • Address: the network’s IP Address. Users can enter this number into a web-browser of any WiFi enabled device that is connected to the same network in order to view the Gage’s synced batches.

  • Page 17: Sync .Net Now

    Sync .net Now The below WiFi, USB and Bluetooth menus contain a Sync .net Now option. When selected, the Gage immediately synchronizes stored measurement data via its respective communication method (internet connection required). Alternatively, select Auto Sync .net from within the USB connect menu to automatically synchronize upon connection to a PC.

  • Page 18: Bluetooth

    Allows individual readings to be sent to a computer, printer or compatible device as they are taken using Bluetooth wireless technology. See www.defelsko.com/bluetooth PosiTector Advanced models have Bluetooth functionality to: - Communicate with the PosiTector Desktop Manager (PDM) in lieu of a USB cable.

  • Page 19: Updates

    Battery performance decreases at low temperatures. Rechargeable Batteries: DeFelsko recommends the use of eneloop (NiMH) rechargeable batteries. They combine the advantages of rechargeable batteries and disposable (Alkaline) batteries. They discharge very slowly and can be stored for long periods without having self discharge concerns. (See www.eneloop.info)

  • Page 20: Technical Data

    Technical Data Measuring Range: 0-500 µS /cm, 0-2000 mg/m , 0.0-200.0 ug/cm Resolution: 1 µS /cm, 1 mg/m , 0.1 ug/cm Accuracy: + 2 µS /cm (0-200 µS /cm), + 10 µS /cm (0-201-500 µS /cm) Gage Size: Weight: (without batteries) 165 x 61 x 28 mm 140 g 6.5”...

  • Page 21: Returning For Service

    Other brand or product names are trademarks or registered trademarks of their respective holders. Every effort has been made to ensure that the information in this manual is accurate. DeFelsko is not responsible for printing or clerical errors.

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