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PL Engineering Z-Meter DX4091 User Manual

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PL Engineering Ltd.
Z-METER DX4091
USER GUIDE
Moscow, 2022
version 1.02

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Summary of Contents for PL Engineering Z-Meter DX4091

  • Page 1 PL Engineering Ltd. Z-METER DX4091 USER GUIDE Moscow, 2022 version 1.02...
  • Page 2 Copyright All rights reserved. Reproduction in any manner, in whole or in part is straightly prohibited without written permission of PL Engineering Ltd. The information contained in this document is the subject to change without notice. page 2 of 44...

  • Page 3: Warranty

    If the Z-Meter fails during the warranty period PL ENGINEERING will repair the Z-Meter or replace it or its parts. For the warranty support a Consumer can address to the office of the company PL ENGINEERING or its sales representative.
  • Page 4 Z-Meter DX4091/ User Guide PL Engineering Ltd page 4 of 44 ver.1.02 (2022)

  • Page 5: Table Of Contents

    Z-Meter DX4091/ User Guide PL Engineering Ltd CONTENTS WARRANTY TECHNICAL SUPPORT CONTENTS 1. INTRODUCTION 2. TECHNICAL CHARACTERISTICS 2.1. Specifications 2.2. Dimension Outlines 2.3. Delivery Kit 2.4. Design overview 2.5. Features 2.6. System Requirements 3. HOW TO GET STARTED 3.1. Software 3.1.1.
  • Page 6 Z-Meter DX4091/ User Guide PL Engineering Ltd page 6 of 44 ver.1.02 (2022)

  • Page 7: Introduction

     The output resistance of the thermoelectric modules can be calculated with high accuracy using the measured conductivity and resistance of pellets. Methodological recommendations for the use of the Z-Meter DX4091 Is calculating by using of value of Figure-of-Merit ver. 1.02 (2022)
  • Page 8 Z-Metering of single thermoelements is a unique and precise technique, the possibility of which is implemented in the device DX4091. The accuracy of measurements using the Z-Meter DX4091 largely depends on the correct and accurate preparation of samples for measurements. Methods and recommendations for the preparation of samples are given in section 3.2 of the Manual.

  • Page 9: Technical Characteristics

    Z-Meter DX4091/ User Guide PL Engineering Ltd TECHNICAL CHARACTERISTICS 2.1. Specifications Table 1. Specifications Parameters Units Values Pellet dimensions Cross-section s 0.1…10 Height h 0.5…5 ���� Form-factor (s/h) 0.15…10 Conductivity Range см 100...2000 Accuracy Repeatability Resistance R Range mOhm 2...200 Accuracy 0.6 (but>0.02mOhm)

  • Page 10: Dimension Outlines

    Z-Meter DX4091/ User Guide PL Engineering Ltd 2.2. Dimension Outlines in mm LED Indicator Micro USB Connector page 10 of 44 ver.1.02 (2022)

  • Page 11: Delivery Kit

    Z-Meter DX4091/ User Guide PL Engineering Ltd 2.3. Delivery Kit Table 2. Delivery Kit Z-Meter DX4091 1 pc. Test frames for pellets mounting 5 pcs. Test frames for pellets mounting with Pt wires 5 pcs. Verification frame 1 pc. Coil with Pt wires of 50 um...

  • Page 12: Design Overview

    Z-Meter DX4091/ User Guide PL Engineering Ltd 2.4. Design overview The Z-Meter is a single-channel device with internal chamber for placement of test frame with mounted pellet sample. Chamber’s cover is magnetically locked when closed or opened. The internal chamber is a passive thermostat which provides constant temperature during measurements.

  • Page 13: System Requirements

    Z-Meter DX4091/ User Guide PL Engineering Ltd 2.6. System Requirements The Z-Meter requires connection to a PC and installation of “Z-Meter” software. The software is delivered along with Z-Meters or may be downloaded from website: www.promln.ru. The interface is simple and does not require User's special knowledge or strong experience.

  • Page 14: How To Get Started

    So it is not necessary to install the drivers separately. 3.1.2. Software Installation Copy installation Setup file (Z-Meter DX4091 (1.0.1.1) Setup) to PC or insert the CD/flash to a PC and start the Setup program. The window of the standard Windows installer will appear – see below.
  • Page 15 Z-Meter DX4091/ User Guide PL Engineering Ltd Click «Install» and proceed according to the installer directions. During installation procedure the Setup program will advise to install required drivers Remember at least 20 MB of a space should be initially available at selected logic disk, and that the size will increase with growing of archive of measurement results.

  • Page 16: Software Description

    Z-Meter DX4091/ User Guide PL Engineering Ltd 3.1.3. Software description The Main Window of the program is shown in the figure below. Main Menu The Main Menu line contains the following buttons: «File» Allows to repeat ("Reconnect") the connection with the device (if for page 16 of 44 ver.1.02 (2022)
  • Page 17 Z-Meter DX4091/ User Guide PL Engineering Ltd some reason the program has not identified or has not found a connection with the device DX4091). And also allows to exit ("Exit") from the program at the end of work. «Options» Allows to view or change («Params & Consts») measurement settings.
  • Page 18 Z-Meter DX4091/ User Guide PL Engineering Ltd wires is in the delivery. Also allows to enable or disable ("Show measured R") indication of sample pellet resistance value measured at ambient temperature «History» Allows to view the automatically generated measurement report for the entire testing session.
  • Page 19 Z-Meter DX4091/ User Guide PL Engineering Ltd «Help» Displays the current version of the program and this release date. ver. 1.02 (2022) page 19 of 44...
  • Page 20 Z-Meter DX4091/ User Guide PL Engineering Ltd Presets Line Contains: Command area entering displaying geometric parameters of testing pellets. And the area of setting and displaying the ambient temperature (conditions of the measurements) and the standard temperature T , to which the testing sample resistance and electric conductivity will be recalculated.
  • Page 21 Z-Meter DX4091/ User Guide PL Engineering Ltd Area of correction factors The lower left of Main Window is an important section of measurement processing. These are measurement corrections for measurements because of: thermal conductivity of contact wires, convection heat exchange thermal radiation heat exchange.

  • Page 22: Sample Preparation

    3.2. Sample preparation 3.2.1. Samples for measurements The advantage of the developed technique and this Z-Meter DX4091 lies in the fact that for measuring thermoelectric parameters there is no need to prepare special test samples. Measurements are carried out on working thermoelements, from which serial thermoelectric modules are directly manufactured.

  • Page 23: Auxiliary Tool And Materials

    3.2.2. Auxiliary tool and materials The accuracy of measurements using this Z-Meter DX4091 depends on the accuracy of the preparation of the samples for measurements. To provide this, testing samples must be mounted on a special test frame.

  • Page 24: Preparation Of Test Frame

    Z-Meter DX4091/ User Guide PL Engineering Ltd Item Note Acetone Pure acetone Cleaning cotton And cotton tissues sticks 3.2.3. Preparation of test frame The delivery kit (Table 2) includes a set of PCB test frames and a coil with small amount of special platinum wire.

  • Page 25: Pellet Sample Mounting

    Z-Meter DX4091/ User Guide PL Engineering Ltd D. Repeat the second piece of wire in the same way. You get a frame with two pieces of wire soldered across. Note! If you intend to use other contact wires (than Pt) or a diameter other than the recommended (50 μm), or another...
  • Page 26 Z-Meter DX4091/ User Guide PL Engineering Ltd Apply a small amount of low- melting tin solder on one end side of the thermoelement using a soldering iron (and under microscope is preferable). Place the sample at the wire crosshairs on the frame (between wires) side with solder on top.

  • Page 27: Pellet Sample Dismounting

    Z-Meter DX4091/ User Guide PL Engineering Ltd Pour acetone over sample and soldering areas to remove flux residues. Clear pellet by brush slightly. Note! accuracy measurements subsequently depends on the accuracy and completeness of flux removal. The sample measuring frame prepared in this way is shown in the figure.
  • Page 28 Z-Meter DX4091/ User Guide PL Engineering Ltd carefully removed from the frame without damaging the wires. Follow the instructions to remove the pellet from the test frame. Place the test frame with the soldered pellet sample the field of vision of the microscope.

  • Page 29: Measurement Procedure

    Use the cable to the USB port of the computer. Start the program DX4091.exe If the computer is turned on, the connection of the Z-Meter DX4091 will be automatically determined. The following windows will be displayed one after another in case you run Z-Meter program: If the “DEVICE NOT FOUND”...
  • Page 30 Z-Meter DX4091/ User Guide PL Engineering Ltd Insert the test frame with soldered pellet sample into the Z-Meter holder. Note! Please, be sure that pellet sample is located over spot heater. It is important for sample polarity (n- or p-type definition) testing.
  • Page 31 Z-Meter DX4091/ User Guide PL Engineering Ltd Set the required initial parameters for measurements in the program window: a) Set the geometric dimensions of the sample to be measured, namely cross-section (a, b or dia. a) and height (h) in millimetres.
  • Page 32 Z-Meter DX4091/ User Guide PL Engineering Ltd Press «Custom» A window appears for entering geometric parameters. Enter the desired sample geometry in millimeters to a maximum of 3 characters, and press «OK». Important! If you enter the value b = 0 (equal to zero), then the program interprets this as a sample of a circular section with a diameter equal to the value a.
  • Page 33 Z-Meter DX4091/ User Guide PL Engineering Ltd The value of geometric parameters will appear in the Settings Line b) Set the standard temperature. Usually, the temperature of 27°С (300К) or close to this value is applied as standard temperature T .
  • Page 34 A file with a list of standard samples can be called for editing from the menu The Start button (PL Engineering - Z-Meter DX4091 - List). page 34 of 44 ver.1.02 (2022)
  • Page 35 Z-Meter DX4091/ User Guide PL Engineering Ltd Enter dimensions in millimeters, fields are separated by ";". For thermocouples with a round section, the first field (A) is the diameter, the second field (B) must be "0" (zero). Start Measurement Press the «Measure» button.
  • Page 36 Z-Meter DX4091/ User Guide PL Engineering Ltd End of measurements At the end of measurements in the Main Window of the program all measured values are displayed: conductivity type (Polarity), specific conductivity (Sigma) electric resistance of the sample (Resistance), Figure-of-Merit,...
  • Page 37 Z-Meter DX4091/ User Guide PL Engineering Ltd Amendments If it is necessary to make adjustments of the measurement results (to update geometric dimensions, to change the standard temperature , turn off/turn on correction coefficients), then such changes can be made in the program Main Window: adjustment of the standard temperature T .
  • Page 38 Z-Meter DX4091/ User Guide PL Engineering Ltd Clicking this button will add the updated measurement result to the report with the specified changes. Go to «History» You can see that updated results are stored. Repeat measurements with another sample Note that there is a pause about 20 seconds between measurement cycles.
  • Page 39 Z-Meter DX4091/ User Guide PL Engineering Ltd After the pause finish the «Measure» button returns to enable status and next measurement becomes possible (press «Measure»). End of program operation At the end of the measurement (work session), the measurement protocol should be recorded in a separate file: «History»...

  • Page 40: Maintenance

    Disconnect the Z-Meter from the computer or turn off the computer. MAINTENANCE The Z-Meter DX4091 does not require any particular maintenance or service. Nevertheless if for any reason you feel doubtful about the device accuracy, you can check it by measuring a precision resistor in verification frame.
  • Page 41 Z-Meter DX4091/ User Guide PL Engineering Ltd ver. 1.02 (2022) page 41 of 44...
  • Page 42 Z-Meter DX4091/ User Guide PL Engineering Ltd page 42 of 44 ver.1.02 (2022)
  • Page 43 Z-Meter DX4091/ User Guide PL Engineering Ltd ver. 1.02 (2022) page 43 of 44...
  • Page 44 Z-Meter DX4091/ User Guide PL Engineering Ltd Overseas Sales representative PL Engineering Ltd. TEC Microsystems GmbH 46 Warshawskoe shosee Schwarzschildstrasse 8 Moscow 115230 Russia Berlin 12489, Germany phone: +7-499-678-3231 phone: +49-(0)30-6789-3314 fax: +7-499-678-3258 fax: +49-(0)30-6789-3315 e-mail: info@promln.com e-mail: info@tec-microsystems.com website: www.promln.ru page 44 of 44 ver.1.02 (2022)

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